county of los angelesfile.lacounty.gov/sdsinter/bos/supdocs/39949.pdf · 2016-08-21 · county of...

COUNTY OF LOS ANGELESDEPARTMENT OF PUBLIC WORKS

"To Enrich Lives Through Effective and Caring SeNice"

DEAN D. EFSTATHIOU, Acting Director

900 SOUTH FREMONT AVENUALHARA CALIFORN 91803-1331

Telephone: (626) 458-5100http://dpw.lacounty.gov ADDRESS ALL CORRSPONDENCE TO:

P.O. BOX 1460ALHARA CALIFORN 91802-1460

July 29, 2008IN REPLY PLEASE

REFER TO FILE: WW-2

The Honorable Board of SupervisorsCounty of Los Angeles383 Kenneth Hahn Hall of Administration500 West Temple StreetLos Angeles, CA 90012

Dear Supervisors:

LOS ANGELES COUNTY WATERWORKS DISTRICTNO. 40, ANTELOPE VALLEY, REGION 4, LANCASTER

NEGATIVE DECLARATION AND AUTHORIZATION TO PROCEEDAVENUE K TRANSMISSION WATER MAIN PROJECT, PHASES I-IV

(SUPERVISORIAL DISTRICT 5)(3 VOTES)

SUBJECT

This action is to approve a Negative Declaration prepared for the Avenue KTransmission Water Main project (Phases I through IV) in the Antelope Valley and arequest for authorization to proceed with the project.

IT IS RECOMMENDED THAT YOUR BOARD ACTING AS THE GOVERNINGBODY OF THE LOS ANGELES COUNTY WATERWORKS DISTRICT NO. 40,ANTELOPE VALLEY:

1. Consider the Negative Declaration, together with the comments received

during the public review period, for the installation of approximately

32,000 linear feet of 30- to 36-inch-diameter steel water main along

Avenue K from 30th Street East to 30th Street West in the City of Lancaster,estimated at a total cost of $15,000,000; find that the project will not have asignificant impact on the environment; find that the Negative Declarationreflects the independent judgment and analysis of the County; and approvethe Negative Declaration for this project.

The Honorable Board of SupervisorsJuly 29, 2008

2. Find that the project wil have no adverse effect on wildlife resources, and

authorize the Department of Public Works to complete and file a Certificateof Fee Exemption with the California Department of Fish and Game for theproject.

3. Approve the project and authorize the County of Los Angeles Department of

Public Works to carry out the project in four phases.

PURPOSE/JUSTIFICATION OF RECOMMENDED ACTION

The purpose of this action is to allow the Department of Public Works to installapproximately 32,000 linear feet of 30- to 36-inch-diameter steel water main alongAvenue K from 30th Street East to 30th Street West in the City of Lancaster. Thisproject would be constructed in four phases from Fiscal Year 2008-09 to FiscalYear 2012-13. Phase I will involve installation of a 36-inch steel water main between5th Street East and 10th Street West; Phase II, a 36-inch water main between

5th Street East and 20th Street East; Phase IIi, a 30-inch water main between

10th Street West and 30th Street West; and Phase iV, a 36-inch water main between20th Street East and 30th Street East. The proposed transmission water main wouldincrease the water service reliability in the City of Lancaster.

This project was recommended in the latest Master Plan of Water Facilities prepared forthe Los Angeles County Waterworks District No. 40, Antelope Valley, Region 4(District). The project would prevent large pressure fluctuations within the existing watersupply system and improve the District's ability to efficiently utilize available State WaterProject water from the Antelope Valley-East Kern Water Agency.

Implementation of Strateaic Plan Goals

The Countywide Strategic Plan directs that we provide Service Excellence (Goal 1) andCommunity Services (Goal 6). The recommended action will help fulfill these goals byimproving the water service reliability for the District's customers in the City ofLancaster.

FISCAL IMPACT/FINANCING

There will be no negative impact on the County General Fund.

The estimated construction cost to complete all four phases of this project isapproximately $15,000,000.


Sufficient funds to cover the cost of the four phases of this project are included in theDistrict's Accumulated Capital Outlay Fund (N64) budget for Fiscal Year 2008-09 toFiscal Year 2012-13.

FACTS AND PROVISIONS/LEGAL REQUIREMENTS

On October 3, 2000, your Board adopted our recommendation to execute a consultantservices agreement with Brockmeier Consulting Engineers, Inc., to provide designplans, specifications, and engineering estimates for all four phases of the project.

Under the California Environmental Quality Act (CEQA), any lead agency preparing aNegative Declaration must provide a public notice within a reasonable period of timeprior to certification of the Negative Declaration. To comply with this requirement andpursuant to Section 21092 of the Public Resources Code, a public notice was publishedin the Los Angeles Times and in the Antelope Valley Press on November 29, 2007. Acopy of the draft Negative Declaration was provided to the Lancaster Regional Libraryand the Palmdale City Library for public review. In addition, copies of the draft NegativeDeclaration were sent to the agencies listed in Exhibit G of the attached Negative

Declaration.

The 30-day public review period ended on December 27, 2007. We responded tocomments we received from the California Regional Water Quality Control Board, theNative American Heritage Commission, the California Department of Public Health, andthe City of Lancaster. Copies of our responses to these agencies are included in

Exhibit H of the attached Negative Declaration.

ENVIRONMENTAL DOCUMENTATION

The CEQA requires public agency decision makers to document and considerenvironmental implications of their actions. The Negative Declaration was writtenpursuant to the CEQA Guidelines of 1970 as amended (Division 13, California PublicResources Code) and the CEQA Guidelines (Division 6, California AdministrativeCode) .

Upon approval of the Negative Declaration by your Board, we will file a Notice ofDetermination in accordance with the requirements of Section 21152(a) of the CaliforniaPublic Resources Code.


CONTRACTING PROCESS

The four phases of this project will be contracted on an open-competitive bid basis. Thecontracts will be awarded to the lowest responsible bidder, meeting the criteriaestablished by your Board and the California Public Contract Code, and will besubmitted to your Board for approval.

IMPACT ON CURRENT SERVICES (OR PROJECTS)

Approval of this Negative Declaration wil enable the District to go forward with theconstruction of the proposed waterline and enhance the reliability of water service to theDistrict's customers in the region. There will be no negative impact on current Countyservices or projects during the performance of the recommended contracts.

CONCLUSION

Please return one adopted copy of this letter to the Department of Public Works,Waterworks Division.

Respectfully submitted, --¡JÆ~J-d~ DEAN D. EFSTATHIOU

. Director of Public Works

AA:ea

Attachment

c: Chief Executive Office

H:IWWHOMEIDVASQUEZ\2008 BOARD LETTERSIAVEK Trans Ph1-IVlvenue K TransPhl-IV revised w DPW Itrhd.doc

PROPOSEb NEGATIVE DECLARATION


LOS ANGELES COUNTY WATERWORKS DISTRICT NO. 40, ANTELOPE VALLEY,REGION NO.4, LANCASTER

PROPOSED AVENUE K TRANSMISSION WATER MAIN

1. Location and Brief Description

The proposed project is located in the Los Angeles County Waterworks DistrictNo. 40, Antelope Valley, Region No.4, Lancaster (District), along Avenue K asshown on Exhibit A. The proposed project consists of installng approximately32,000 linear feet of 30- to 36-inch-diameter transmission water main along

Avenue K from 30th Street East to 30th Street West (See Exhibit B). The'purpose of the proposed water main is to increase the capacity of the Lancasterwater system to meet the current domestic and fire protection water demands.The project wil be constructed in four separate phases as shown on Exhibit C.Phase I consists of installng a new 36-inch steel water main on Avenue Kbetween 5th Street East and 10th Street West. In Phase II, the 36-inch main willbe extended from 5th Street East to the existing 48-inch main on 20th Street East.During Phase III, a 30-inch main will be installed from 10th Street West to 30thStreet West. In Phase LV, the 36-inch water main wil be extended from 20th

Street East to 30th Street East. .~~;.

2. Mitiqation Measures Included in the Proiect to Avoid Potentially Siqnificant

Effects

No mitigation measures are included as no significant negative impacts on theenvironment were identified by the attached Initial Study.

3. Findinq of No Siqnificant Effect

Based on the attached Initial Study, it has been determined that the project will.not have a significant effect on the environment.

Attach.

..,1.','

TABLE OF CONTENTS

NEGATIVE DECLARATION

FOR

AVENUE K TRANSMISSION WATER MAIN

1. INITIAL STUDY OF ENVIRONMENTAL FACTORS

A. ENVIRONMENTAL CHECKLIST

B. DISCUSSION OF ENVIRONMENTAL FACTORS

2. EXHIBITS

A. PROJECT VICINITY MAP

B. PROJECT LOCATION MAP

C. PROJECT PHASING MAP

D. POTENTIAL VOLCANIC HAZARDS MAP

E. PHASE I ARCHAEOLOGICAL STUDY

F. GEOTECHNICAL REPORT

G. DRAFT NEGATIVE DECLARATION MAILING LIST

H. REPONSES TO REVIEW COMMENTS

INITIAL STUDY OF ENVIRONMENTAL FACTORS


LOS ANGELES COUNTY WATERWORKS DISTRICT NO. 40, ANTELOPE VALLEY,REGION NO.4, LANCASTER

.-'..

PROPOSED AVENUE K TRANSMISSION WATER MAIN

1. Project Title

Avenue K Transmission Water Main

2. Lead Aqency Name and Address

Los Angeles County Department of Public WorksWaterworks DivisionP.O. Box 1460Alhambra, CA91802-1460

3. Contact Person and Phone Number

Michael Ignatius - (626) 300-3396

4. Project Location

The proposed project is located in the Los Angeles County WaterworksDistrict No. 40, Antelope Valley, Region No.4 Lancaster, along Avenue K, in theCity of Lancaster, as shown on Exhibit A.

5. Proiect Sponsors Name and Address

Los Angeles County Department of Public WorksWaterworks DivisionP.O. Box 1460Alhambra, CA 91802-1460

6. General Plan Desiqnation

.Residential and Retail/Commercial

7. Zoninq

Commercial interspersed with residential areas

.x;-

1

.).~:.

8. Description of Project

The proposed project consists of installng approximately 32,000 linear feet of 30-to 36-inch-diameter transmission water main along Avenue K from 30th StreetEast to 30th Street West (See Exhibit B). The purpose of the proposed watermain is to increase the capacity of the Lancaster water system to meet thecurrent domestic and fire protection water demands. The project wil beconstructed in four separate phases as shown on Exhibit C. Phase I consists ofinstalling a new 36-inch steel water main on Avenue K between 5th Street East,and 10th Street West. In Phase II, the 36-inch main wil be extended from 5thStreet East to the existing 48-inch main on 20th Street East. During Phase II I, a30-inch main wil be installed from 10th Street West to 30th Street West. InPhase LV, the 36-inch water main wil be extended from 20th Street East to 30thStreet East.

9. SurroundinQ Land Uses and Environmental SettinQ

A) Project Site - The project site is a paved road which wil require trenching andboring and jacking during pipeliJñe construction.

B) Surrounding Properties - The surrounding area is mostly commercial

interspersed with residential areas and schools.

10. Other AQencies Whose Approval is Required (and Permits Needed)

1. City of Lancaster - Encroachment Permit

2. California Department of Transportation (Caltrans)

3. Metropolitan Transportation Authority (MTA)

4. Union Pacific Railroad Company (UPRR)

"'~..

2

ENVIRONMENTAL FACTORS POTENTIALLY AFFECTED

The environmental factors checked below would be potentially affected by this project, involvingat least one impact that is a "Potentially Significant Impact" or "Potentially Significant UnlessMitigated," as indicated by the checklist on the following pages.

Aesthetics _ Agriculture Resources _ Air Quality

Cultural Resources _ Geology/Soils

_ HydrologylWater Quality _ Land Use/Planning

_ Biological Resources

Hazards & HazardousMaterials

Mineral Resources

Public Services

Noise _ Population/Housing

Recreation _ Transportation /Traffic

_ Mandatory Findings of Significance_ Utiities/Service Systems

DETERMINATION: (To be completed by the Lead Agency)

On the basis of this initial evaluation:

--1 find that the proposed project COULD NOT have a significant effect on the environment,and a NEGATIVE DECLARATION wil be prepared.

_I find that although the proposed project could have a significant effect on the environment,

there wil not be a significant effect in this case because revisions in the project have beenmade by or agreed to by the project proponent. A MITIGATED NEGATIVEDECLARATION will be prepared.

_I find that the proposed project MAY have a significant effect on the environment, and an

ENVIRONMENTAL IMPACT REPORT is required.

_I find that the proposed project MAY have a "potentially significant impact" or "potentiallysignificant unless mitigated" impact on the environment, but at least one effect 1) has beenadequately analyzed in an earlier document pursuant to applicable legal standards, and2) has been addressed by mitigation measures based on the earlier analysis as describedon attached sheets. An ENVIRONMENTAL IMPACT REPORT is required, but it mustanalyze only the effects that remain to be addressed.

_I find that although the proposed project would have a significant effect on the environment,

because all potentially significant effects (a) have been analyzed adequately in an earlierENVIRONMENTAL IMPACT REPORT or NEGATIVE DECLARATION pursuant toapplicable standards, and (b) have been avoided or mitigated pursuant to that earlierENVIRONMENTAL IMPACT REPORT or NEGATIVE DECLARATION, including revisions

itigation measures that are imposed upon the proposed project, nothing further isrequ' e( /I I/o¡ /07~

HICJ/f)rSl :Ibl17u SPrinted Name

LACDPWFor

EVALUATION OF ENVIRONMENTAL IMPACTS


1. A brief explanation is required for all answers except "No Impact" answers that areadequately supported by the information sources a lead agency cites in theparentheses following each question. A "No Impact" answer is adequatelysupported if the referenced information sources show that the impact simply doesnot apply to projects like the one involved (e.g., the project falls outside a faultrupture zone). A "No Impact" answer should be explained where it is based onproject-specific factors as well as general standards (e.g., the project wil notexpose sensitive receptors to pollutants based on a project-specific screeninganalysis).

2. All answers must take account of the whole action involved, including off-site aswell as on-site, cumulative as well as project level, indirect as well as direct, andconstruction as well as operational impacts.

3. "Potential Significant Impact" is appropriate if an effect is significant or potentiallysignificant, or if the lead agency lacks information to make a finding ofinsignificance. If there are one or more "Potential Significant Impact" entries whenthe determination is made, an Environmental Impact Report is required.

4. "Less Than Significant With Mitigation Incorporation" applies where theincorporation of mitigation measures has reduced an effect from "PotentialSignificant Impact" to a "Less Than Significant Impact." The lead agency mustdescribe the mitigation measures and briefly explain how they reduce the effect to aless than significant level (mitigation measures from Section XVIII, "EarlierAnalysis," may be cross-referenced).

5. Earlier analyses may be used where, pursuant to the tiering, programEnvironmental Impact Report, or other California Environmental Quality Actprocess, an effect has been adequately analyzed in an earlier Environmental

Impact Report or Negative Declaration. Section 15063(c)(3)(D). Earlier analysesare discussed in Section XVIII at the end of the checklist.

6. Lead agencies are encouraged to incorporate into the checklist references toinformation sources for potential impacts (e.g., general plans, zoning ordinances).See the sample question below. A source list should be attached and othersources used or individuals contacted should be cited in the discussion.

ENVIRONMENTAL CHECKLIST FORM


Potential Less Than Less Than NoSignificant Significant Significant Impact

Impact With Mitigation ImpactIncorporation

i. AESTHETICS - Would the project:

a) Have a substantial adverse effect on a scenic vista? Xb) Substantially damage scenic resources, including, but

not limited to, trees, rock outcrops, and historic Xbuildinqs within a State scenic hiqhwav?

c) Substantially degrade the existing visual character orXaualitv of the site and its surroundinas?

d) Create a new source of substantial light or glare whichwould adversely affect day or nighttime views in the Xarea?

II. AGRICUL TURE RESOURCES - In determining whether impacts to agricultural resources are significantenvironmental effects, lead agencies may refer to the California Agricultural Land Evaluation and SiteAssessment Model (1997) prepared by the California Department of Conservation as an optional model touse in assessing impacts on agriculture and farmland.Would the project:

a) Convert Prime Farmland, Unique Farmland, orFarmland of Statewide Importance (Farmland), asshown on the maps prepared pursuant to the XFarmland Mapping and Monitoring Program of theCalifornia Resources Aaencv, to nonaaricultural use?

b) Conflict with existing zoning for agricultural use or aX

Williamson Act contract?

c) Involve other changes in the existing environment

Xwhich, due to their location or nature, could result inconversion of Farmland to nonaqricultural use?

II. AIR QUALITY - Where available, the significance criteria established by the applicable air qualitymanagement or air pollution control district may be relied upon to make the following determinations.Would the project:

a) Conflict with or obstruct implementatio n of theXapplicable air Qualitv olan?

b) Violate any air quality standard or contributesubstantially to an existing or projected air quality Xviolation?

c) Result in a cumulatively considerable net increase ofany criteria pollutant for which the project region isnon-attainment under an applicable Federal or State

Xambient air quality standard (including releasingemissions which exceed quantitative thresholds forzone precursors)?

d) Expose sensitive receptors to substantial pollutantXconcentrations?

e) Create objectionable odors affecting a substantialXnumber of people?

1



IV. BIOLOGICAL RESOURCES - Would the project:

a) Have a substantial adverse effect, either directly orthrough habitat modifications, on any speciesidentified as a candidate, sensitive, or special status

Xspecies in local or regional plans, policies, orregulations, or by the California Department of Fishand Game or U.S. Fish and Wildlife Service?

b) Have a substantial adverse effect on any riparianhabitat or other sensitive natural community identifiedin local or regional plans, policies, regulations or by Xthe California Department of Fish and Game orU.S. Fish and Wildlife Service?

c) Have a substantial adverse effect on federallyprotected wetlands as defined by Section 404 of theClean Water Act (including, but not limited to, marsh, Xvernal pool, coastal, etc.) through direct removal,

fillna, hvdroloaical interruDtion, or other means?

d) Interfere substantially with the movement of any nativeresident, migratory fish, or wildlife species; or withestablished native resident or migratory wildlife Xcorridors; or impede the use of native wildlife nurserysites?

e) Conflict with any local policies or ordinances protectingbiological resources, such as a tree preservation XDolicy or ordinance?

f) Conflict with the provisions of an adopted HabitatConservation Plan; Natural Community Conservation

XPlan; or other approved local, regional, or State habitatconservation Dlan?

V. CUL TURAl RESOURCES - Would the project:

a) Cause a substantial adverse change in thesignificance of a historical resource as defined in XSection 15064.5?

b) Cause a substantial adverse change in thesignificance of an archaeological resource pursuant to XSection 15064.5?

c) Directly or indirectly destroy a unique paleontologicalXresource or site or uniaue aeoloaic feature?

d) Disturb any human remains, including those interredXoutside of formal cemeteries?

Vi. GEOLOGY AND SOilS - Would the project:

a) Expose people or structures to potential substantialadverse effects, including the risk of loss, injury, ordeath involving:

2



i) Rupture of a known earthquake fault, asdelineated on the most recent Alquist-PrioloEarthquake Fault Zoning Map issued by the Stategeologist for the area or based on other Xsubstantial evidence of a know fault? Refer toDivision of Mines and Geology SpecialPublication 42.

ii) Strong seismic ground shaking? X

iii) Seismic-related ground failure, includingXliauefaction?

iv) Landslides? X

b) Result in substantial soil erosion or the loss of topsoil? Xc) Be located on a geologic unit or soil that is unstable, or

that would become unstable as a result of the project,Xand potentially result in on- or off-site landslide, lateral

spreadinq, subsidence, liauefaction, or collapse?

d) Be located on expansive soil, as defined inTable 18-1-B of the Uniform Building Code (1994), Xcreatinq substantial risks to life or Droperty?

e) Have soils incapable of adequately supporting the useof septic tanks or alternative wastewater disposal

Xsystems where sewers are not available for the

disposal of wastewater?

VII. HAZARDS AND HAZARDOUS MATERIALS - Would the project:

a) Create a significant hazard to the public or theenvironment through the routine transport, use, or Xdisposal of hazardous materials?

b) Create a significant hazard to the public or theenvironment through reasonably foreseeable upsetand accident conditions involving the release of Xhazardous materials into the environment?

c) Emit hazardous emissions or handle hazardous oracutely hazardous materials, substances, or waste

Xwithin one-quarter mile of an existing or proposed

school?d) Be located on a site which is included on a list of

hazardous materials sites compiled pursuant toGovernment Code, Section 65962.5, and, as a result, Xwould it create a significant hazard to the public or theenvironment?

e) For a project located within an airport land use plan or,where such a plan has not been adopted, within twomiles of a public airport or public use airport, would the Xproject result in a safety hazard for people residing orworkina in the proiect area?

f) For a project within the vicinity of a private airstrip,would the project result in a safety hazard for people Xresidina or workina in the project area?

3



g) Impair implementation of or physically interfere with anadopted emergency response plan or emergency Xevacuation plan?

h) Expose people or structures to a significant risk ofloss, injury, or death involving wild land fires, including

Xwhere wild lands are adjacent to urbanized areas orwhere residences are intermixed with wild lands?

VII. HYDROLOGY AND WATER QUALITY - Would the project:

a) Violate any water quality standards or waste dischargeXrequirements?

b) Substantially deplete groundwater supplies or interferesubstantially with groundwater recharge such thatthere would be a net deficit in aquifer volume or alowering of the local groundwater table level (e.g., the

Xproduction rate of preexisting nearby wells would dropto a level which would not support existing land usesor planned uses for which permits have beengranted)?

c) Substantially alter the existing drainage pattern of thesite or area, including through the alteration of the

Xcourse of a stream or river, in a manner which wouldresult in substantial erosion or siltation on- or off-site?

d) Substantially alter the existing drainage pattern of thesite or area, including through the alteration of thecourse of a stream or river, or substantially increase Xthe rate or amount of surface runoff in a manner whichwould result in flooding on- or off-site?

e) Create or contribute runoff water which would exceedthe capacity of existing or planned storm water

Xdrainage systems or provide substantial additionalsources of polluted runoff

f) Otherwise substantially degrade water aualitv? Xg) Place housing within a 1 DO-year flood hazard area as

mapped on a Federal Flood Hazard Boundary orXFlood Insurance Rate Map or other flood hazard

delineation map?h) Place within a 1 DO-year flood hazard area structures

Xwhich would impede or redirect flood flows?

i) Expose people or structures to a significant risk ofloss, injury, or death involving flooding, including Xflooding as a result of the failure ofa levee or dam?

j) Inundation bv seiche, tsunami, or mudflow? XiX. LAND USE AND PLANNING - Would the project:

a) Physically divide an established community? X

4

b) Conflict with any applicable land use plan, policy, or

regulation of any agency with jurisdiction over theproject (including, but not limited to, the general plan,specific plan, local coastal program, or zoning

ordinance) adopted for the purpose of avoiding ormitigating an environmental effect?

c) Conflict with any applicable habitat conservation plan

or natural community conservation plan?

X. MINERAL RESOURCES - Would the project:

a) Result in the loss of availability of a known mineral

resource that would be of value to the region and theresidents of the State?

b) Result in the loss of availability of a locally importantmineral resource recovery site delineated on a localgeneral plan, specific plan, or other land use plan?

Xl. NOISE - Would the project result in:

a) Exposure of persons to or generation of noise levels inexcess of standards established in the local generalplan or ordinance or applicable standards of other

agencies?b) Exposure of persons to or generation of excessive

ground borne vibration or qround borne noise levels?

c) A substantial permanent increase in ambient noise

levels in the project vicinity above levels existing

without the project?

d) A substantial temporary or periodic increase inambient noise levels in the project vicinity above levelsexistina withoutthe project?

e) For a project located within an airport land use plan or,

where such a plan has not been adopted, within twomiles of a public airport or public use airport, would theproject expose people residing or working in theproject area to excessive noise levels?

f) For a project within the vicinity of a private airstrip,would the project expose people residing or working inthe project area to excessive noise levels?

XII. POPULATION AND HOUSING - Would the project:

a) Induce substantial population growth in an area, either

directly (e.g., by proposing new homes andbusinesses) or indirectly (e.g., through extension ofroads or other infrastructure)?

b) Displace substantial numbers of existing housing,

necessitating the construction of replacement housingelsewhere?

c) Displace substantial numbers of people, necessitating

the construction of replacement housing elsewhere?

5

PotentialSignificant

Impact

Less ThanSignificant

With MitigationIncorporation

Less ThanSignificant

Impact

x

x

x

x

NoImpact

x

x

x

x

x

x

x

x

x



XII. PUBLIC SERVICES

a) Would the project result in substantial adversephysical impacts associated with the provision of newor physically altered governmental facilities; need fornew or physically altered governmental facilties; theconstruction of which could cause significantenvironmental impacts in order to maintain acceptableservice ratios, response times, or other performanceobjectives for any of the public services:

Fire orotection? XPolice orotection? XSchools? XParks? XOther public facilities? X

XIV. RECREATION

a) Would the project increase the use of existingneighborhood and regional parks or other recreational

Xfacilities such that substantial physical deterioration ofthe facility would occur or be accelerated?

b) Does the project include recreational facilities orrequire the construction or expansion of recreational

Xfacilities which might have an adverse physical effecton the environment?

XV. TRANSPORTATIONITRAFFIC - Would the project:

a) Cause an increase in traffic which is substantial inrelation to the existing traffic load and capacity of thestreet system (i.e., result in a substantial increase in

Xeither the number of vehicle trips, the volume tocapacity ratio on roads, or congestion atintersections)?

b) Exceed, either individually or cumulatively, a level ofservice standard established by the County

XCongestion Management Agency for designated roadsor highways?

c) Result in a change in air traffc patterns, includingeither an increase in traffc levels or a change in Xlocation that results in substantial safetv risks?

d) Substantially increase hazards due to a design feature(e.g., sharp curves or dangerous intersections) or Xincomoatible uses (e.a., farm eauioment)?

e) Result in inadequate emeraencv access? X

f) Result in inadequate oarkina caoacitv? X

g) Conflict with adopted policies, plans, or programssupporting alternative transportation (e.g., bus Xturnouts, bicycle racks)?

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XVi. UTILITIES AND SERVICE SYSTEMS - Would the project:

a) Exceed wastewater treatment requirements of theXapplicable Reaional Water Quality Control Board?

b) Require or result in the construction of new water orwastewater treatment facilities or expansion of existing

Xfacilties, the construction of which could causesignificant environmental effects?

c) Require or result in the construction of new stormwater drainage facilities or expansion of existing

Xfacilities, the construction of which could causesiççnificant environmental effects?

d) Have sufficient water supplies available to serve theproject from existing entitlements and resources, or Xare new or expanded entitlements needed?

e) Result in a determination by the wastewater treatmentprovider, which serves or may serve the project, that ithas adequate capacity to serve the project's projected Xdemand in addition to the provider's existingcommitments?

f) Be served by a landfill with suffcient permittedcapacity to accommodate the project's solid waste Xdisposal needs?

g) Comply with Federal, State, and local statutes andXreççulations related to solid waste?

XVII. MANDATORY FINDINGS OF SIGNIFICANCE

a) Does the project have the potential to degrade thequality of the environment, substantially reduce the

habitat of a fish or wildlife species, cause a fish orwildlife population to drop below self-sustaining levels,threaten to eliminate a plant or animal community,

Xreduce the number or restrict the range of a rare orendangered plant or animal, or eliminate importantexamples of the major periods of California history orprehistory?

b) Does the project have impacts that are individuallylimited, but cumulatively considerable? ("Cumulativelyconsiderable" means that the incremental effects of aproject are considerable when viewed in connection Xwith the effects of past projects, the effects of othercurrent projects, and the effects of probable future

projects.)

c) Does the project have environmental effects which willcause substantial adverse effects on human beings

Xeither directly or indirectly?

XVII. DISCUSSION OF WAYS TO MITIGATE SIGNIFICANT EFFECTS

No mitigation measures are included as no significant environmental effects were identified by the initial study.

7

DISCUSSION OF ENVIRONMENTAL FACTORS


J. AESTHETICS - Would the project:

a) Have a substantial adverse effect on a scenic vista?

No impact. The proposed water main wil not be constructed in or neardesignated scenic vistas. Therefore, the project will not result in adverseimpacts on any scenic vistas.

b) Substantially damage scenic resources, including, but not limited to,trees, rock outcroppings, and historic buildings within a State scenichighway?

No impact. The construction of the proposed project is not within anyState scenic highway and thus wil have no impact on scenic resources,trees, rock outcroppings, or historical buildings within a State scenichighway.

c) Substantially degrade the existing visual character or quality of the

site and its surroundings?

Less than significant impact. The proposed water main will beconstructed below ground near the centerline of Avenue K, with exceptionsof minor portions such as fire hydrants and air release and vacuum valvesthat will be above ground and wil be painted with gloss enamel paint foroperation and identification purposes. The proposed project will have aless than significant impact to substantially degrade the existing visualcharacter or quality of the site and its surroundings.

d) Create a new source of substantial light or glare which wouldadversely affect day or nig~ttime views in the area?

No impact. The proposed project will not include additional lightingsystems or propose structures that could result in glare. Therefore, theproposed project wil have no impact on day or nighttime views in the area.

ii. AGRICULTURE RESOURCES - In determining whether impacts toagricultural resources are significant environmental effects, lead agenciesmay refer to the California Agricultural Land Evaluation andSite Assessment Model (1997) prepared by the California Department ofConservation as an optional model to use in assessing impacts onagriculture and farmland. Would the project:

a) Convert Prime Farmland, Unique Farmland, or Farmland of StatewideImportnce (Farmland), as shown on the maps prepared pursuant tothe Farmland Mapping and Monitoring Program of the CaliforniaResources Agency, to nonagricultural use?

1

No impact. The proposed project location is not used for agriculturalpurposes or as farmland. Therefore, the project wil not convert anyfarmland to nonagricultural use.

b) Conflict with existing zoning for agricultural use or a Willamson Act

contract?

No impact. There is no active agriculture and no Willamson Act contractin the project area. Thus, the proposed project will not impact any existingzoning for agricultural uses or a Wiliamson Act contract.

c) Involve other changes in the existing environment, which due to their

location or nature, could result in conversion of Farmland tononagricultural use?

No impact. The proposed project area consists of mainly commercial andsome residential developments. The project area does not currently havefarmland resources and, therefore, wil not convert any farmland to

nonagricultural use.

II. AIR QUALITY - Where available, the significance criteria established by theapplicable air quality management or air pollution control district may berelied upon to make the following determinations. Would the project:

a) Conflict with or obstruct implementation of the applicable air quality

plan?

No impact. The County of Los Angeles Department of Public Workscurrently complies with dust control measures enforced by the AntelopeValley Air Quality Management District and the Air Quality ManagementPlan. The proposed project wil not conflict with current implementation ofthe applicable air quality plan.

b) Violate any air quality standard or contribute substantially to an

existing or projected air quality violation?

Less than significant impact. The proposed project will have no effectupon air quality, however, construction activities may have temporaryshort-term impacts. The project specifications require constructioncontractors to equip all machinery and equipment with suitable air pollutioncontrol devices and to use dust control measures such as sweeping and/orwatering to control dust emissions created by construction activity, therebyfurther limiting potential impacts. When transporting excess excavatedmaterial, the contractor wil be required to cover material with a tarp toreduce dust emissions and prevent falling debris. The impact is consideredto be less than significant since the exposure will be temporary and

precautions wil be taken to minimize impact to air quality.

2

c) Result in a cumulatively considerable net increase of any criteriapollutant for which the project region is non-attinment under anapplicable Federal or State ambient air quality standard (includingreleasing emissions which exceed quantitative thresholds for ozoneprecursors)?

No impact. Project specifications wil require the contractor to comply withall Federal and State emission control regulations. The proposed projectconstruction will not lead to emissions which exceed thresholds for ozoneprecursors. Therefore, the proposed project will have no impact onambient air quality standards.

d) Expose sensitive receptors to substantial pollutant concentrations?

Less than significant impact. Sensitive receptors in the area may be

subjected to dust and construction equipment emission during project

construction. Project specifications wil require the contractor to controldust by appropriate means such as sweeping and/or watering and complywith all applicable air pollution control regulations. The impact isconsidered to be less than significant since the exposure will be temporaryand precautions will be taken to minimize exposure to pollutants.

e) Create objectionable odors affecting a substantial number of people?

Less than significant impact. Objectionable odors may be generated

from operating various equipment during construction activities. Thesetypes of odors will be short-term and temporary. Thus, the impact ofcreating objectionable odor is considered less than significant.

iV. BIOLOGICAL RESOURCES - Would the project:

a) Have a substantial adverse effect, either directly or through habitatmodifications, on any species identified as a candidate, sensitive, orspecial status species in local or regional plans, policies, orregulations, or by the California Department of Fish and Game orU.S. Fish and Wildlife Service?

No impact. The construction of the proposed water main will be in a pavedroad within a densely developed community. There are no known sensitiveor special status species within the project limits. Thus, the proposedproject will have no impact on sensitive or special status species or theirrespective habitat.

b) Have a substantial adverse effect on any riparian habitat or othersensitive natural community identified in local or regional plans,policies, regulations, or by the California Department of Fish andGame or U.S. Fish and Wildlife Service?

No impact. See iV. a.

3

c) Have a substantial adverse effect on federally protected wetlands asdefined by Section 404 of the Clean Water Act (including, but notlimited to, marsh, vernal pool, coastal, etc.) through direct removal,filing, hydrological interruption, or other means?

No impact. The proposed facilities wil be constructed within the improvedroad right of way and wil not affect any federally protected wetland habitat.Therefore, the proposed project will not impact wetland habitat.

d) Intenere substantially with the movement of any native resident or

migratory fish or wildlife species or with established native residentor migratory wildlife corridors, or impede the use of native wildlifenursery sites?

No impact. See iv. a.

e) Conflict with any local policies or ordinances protecting biological

resources such as a tree preservation policy or ordinance?

No impact. The proposed project wil not be affecting any known locallyprotected biological resources. Therefore, the proposed project wil notconflict with any local policies or ordinances protecting biological resources.

f) Conflict with the provisions of an adopted Habitat Conservation Plan;Natural Community Conservation Plan; or other approved local,regional, or State Habitat Conservation Plan?

No impact. The proposed project will not be affecting any known adoptedhabitat conservation plan or natural community conservation. Therefore,the proposed project will have no impact on any of these plans.

v. CULTURAL RESOURCES - Would the project:

a-d) Cause a substantial adverse change in the significance of a historicalor archaeological resource as defined in Section 15064.5; directly orindirectly destroy a unique paleontological resource, site, or uniquegeologic feature; or disturb any human remains, including thoseinterred outside formal cemeteries?

No impact. A record search, "Quick Check", conducted by the UCLA

Regional Archaeological Information Center noted that there are knownarchaeological sites located within one-half mile of the project site (seeExhibit "E"). A Phase 1 survey was undertaken of the project site, whichyielded no evidence of archaeological materials or features in the projectarea. However, in the event that resources are encountered during

construction, all construction activities placing such materials at risk mustcease until proper examination by a qualified Archaeologist. In casehuman remains or any cultural resources are identified during the course ofconstruction, all construction activities in the vicinity of the discovery wil behalted and the Los Angeles County Coroner wil be notified. No work will

4

be initiated until the issue has been properly addressed. Therefore, theproposed project wil have a less than significant impact on theseresources.

Vi. GEOLOGY AND SOILS - Would the project:

a) Expose people or structures to potential substantial adverse effects,including the risk of loss, injury, or death involving:

i) Rupture of a known earthquake fault, as delineated on the most

recent Alquist-Priolo Earthquake Fault Zoning Map issued by theState geologist for the area or based on other substantialevidence of a known fault? Refer to Division of Mines andGeology Special Publication 42.

No impact. According to a Geotechnical Engineering Report preparedby Earth Systems, dated February 9, 2001 (See Exhibit "F"), the watermain alignment does not cross any known active faults. The nearestactive fault is the San Andreas fault located approximately six milesfrom the project alignment. The proposed project does not include theconstruction of any facilities that are intended for human occupancynor wil any facilities be constructed in areas associated with geologicproblems such as Alquist-Priolo Earthquake Zones which are definedby the California State Division of Mines and Geology to delineateknown active or potentially active faults. Therefore, rupture ofearthquake faults will not impact the proposed project.

ii) Strong seismic ground shaking?

Less than significant impact. Although the project area has not

been the epicenter of any known earthquake, the water mainalignment, like most of southern California, wil be subject to groundshaking during major earthquakes. However, the project does notinclude the construction of any facilities that are intended for humanoccupancy. In addition, the water main will be manufactured from steelmaterials that meet the current design criteria set forth by theLos Angeles County Waterworks Districts and American WaterworksAssociation. Therefore, the proposed project will have a less thansignificant impact related to seismic ground shaking.

iii) Seismic-related ground failure, including liquefaction?

Less than significant impact. The proposed project is to beconstructed near the centerline of the existing well-compacted andpaved road. The trench excavation wil be backfilled with a minimumrelative compaction of 90 percent to give additional support to thewater main. According to a geotechnical engineering report preparedin February 9, 2001, by Earth Systems, the static water level in theproject area is greater that 50 feet below ground surface and is not

5

considered a risk factor for liquefaction. Therefore, there is a lessthan significant factor to seismic-related ground failure, includingliquefaction.

iv) Landslides?

No impact. The projèct area is flat and is not within a Statedesignated Seismic Hazard Zone for Earthquake-induced Landslides.Therefore, there is no impact from landslides.

b) Result in substantial soil erosion or the loss of topsoil?

No impact. The proposed project excavation will be within the improvedstreet right of way and will be repaved in kind. Therefore, the proposedproject will have no impact on the loss of topsoil or soil erosion.

c) Be located on a geologic unit or soil that is unstable, or that wouldbecome unstable as a result of the project, and potentially result inon- or off-site landslide, lateral spreading, subsidence, liquefaction, orcollapse?

Less than significant impact. See section Vl.a (ii-iv)

d) Be located on expansive soil, as defined in Table 18-1-B of theUniform Building Code (1994), creating substantial risks to life orpropert?

No impact. According to the geotechnical investigation report, there are noexpansive soils found in the project area. Therefore, the proposed projectwill have no impact on creating substantial risks to life or property.

e) Have soils incapable of adequately supporting the use of septic tanks

or alternative wastewater disposal systems where sewers are notavailable for the disposal of wastewater?

No impact. All existing wastewater disposal systems will remain intact andthere are no new septic facilities proposed at the project site. Therefore,the project will have no impact on the use of septic tanks or alternativewastewater disposal systems.

Vii. HAZARDS AND HAZARDOUS MATERIALS - Would the project:

a) Create a significant hazard to the public or the environment through

the routine transport, use, or disposal of hazardous materials?

No impact. The proposed project does not involve the routine transport,use, or disposal of hazardous materials. Therefore, the project will have noimpact on the transport, use, or disposal of hazardous materials.

6

b-c) Create a significant hazard to the public or the environment throughreasonably foreseeable upset and accident conditions involving therelease of hazardous materials into the environment or emithazardous emissions or handle hazardous materials, substances, orwastes within one-quarter mile of an existing or proposed school?

Less than significant impact. Necessary precautions will be taken toprevent the spillage of any hazardous substances that may affect the publicor the environment at the project site. It is unlikely that an explosion,emission, or release of hazardous or acutely hazardous substances willoccur as a result of the proposed project. Project specifications will requirethe contractor to properly maintain all equipment during construction perthe Best Management Practices requirements. In the event of any spills offluids, the contractor is required to remediate according to all applicablelaws regarding chemical cleanup and the nearby school officials will benotified of the spil and any precautions to be taken. Thus, the proposedproject impact on the public or environment is considered less than

significant.

d) Be located on a site which is included on a list of hazardous materialssites compiled pursuant to Government Code, Section 65962.5, and,as a result, would it create a significant hazard to the public or theenvironment?

No impact. The project site is not known to be a hazardous materials site.Therefore, the proposed project wil not create a significant hazard to thepublic or the environment.

e) For a project located within an airport land use plan or where such a

plan has not been adopted, within two miles of a public airport orpublic use airport, would the project result in a safety hazard forpeople residing or working in the project area?

No impact. The proposed project area is not within an airport land useplan or where such a plan has not been adopted within two miles of apublic airport or public use airport. Therefore, the proposed project willhave no impact relating to the safety hazards for people working in theproject area.

f) For a project within the vicinity of a private airstrip, would the projectresult in a safety hazard for people residing or working in the projectarea?

No impact. The proposed project is not located within the vicinity of aprivate airstrip. Thus, the proposed project will have no impact relating to asafety hazard for people residing or working in the project area.

g) Impair implementation of or physically intenere with an adoptedemergency response plan or emergency evacuation plan?

7

No impact. The proposed project wil result in a short-term increase in thenumber of vehicle trips over the course of construction as a result ofconstruction traffic. The construction contractor wil be required byLos Angeles County Department of Public Works' standard contractdocuments to provide adequate and safe traffic control measures, includingadequate access to adjacent properties that will both accommodate localtraffic and ensure the safety of travelers within the project area. Therefore,the project will not impact or interfere with any adopted emergencyresponse or evacuation plans.

h) Expose people or structures to a significant risk of loss, injury, ordeath involving wildland fires, including where wildlands are adjacentto urbanized areas or where residences are intermixed withwildlands?

No impact. The proposed project is located in a developed commercialand residential area. Therefore, the proposed project is not expected toresult in adverse impacts related to wildland fires.

VIII. HYDROLOGY AND WATER QUALITY - Would the proiect:

a) Violate any water quality standards or waste discharge requirements?

No impact. The contractor is required to implement Best ManagementPractices to minimize construction impacts on water quality. Therefore, theproject will have no impact on the water quality standards or wastedischarge requirements.

b) Substantially deplete groundwater supplies or intenere substantially

with groundwater recharge such that there would be a net deficit inaquifer volume or a lowering of the local groundwater table level (e.g.,the production rate of preexisting nearby wells would drop to a levelwhich would not support existing land uses or planned uses for whichpermits have been granted)?

No impact. The proposed project will not result in the use of any water thatwill result in a net deficit in aquifer volume or a lowering of the groundwatertable. Therefore, no impacts to groundwater supplies or groundwater

recharge are anticipated to occur.

c-d) Substantially alter the existing drainage pattern of the site or area,including through the alteration of the course of a stream or river, ina manner which would result in substantial erosion or siltation on- oroff-site or substantially increase the rate or amount of sunace runoffin a manner which would result in flooding on- or off-site?

No impact. The construction of the water main will not alter the presentdrainage pattern of the project site. Therefore, the proposed project wil

8

have no impact on erosion, siltation, or on the rate or amount of surfacerunoff.

e) Create or contribute runoff water which would exceed the capacity of

existing or planned storm water drainage systems or p.rovidesubstantial additional sources of polluted runoff?

No impact. The construction of the project wil not result in additionalsurface water runoff. Thus, the impact of the proposed project on theexisting or planned storm water drainage systems is not expected to haveadverse affects.

f) Otherwise substantially degrade water quality?

No impact. The contractor will adhere to applicable Best ManagementPractices to minimize any degradation to water quality during construction.Therefore, the proposed project wil not impact or degrade water quality.

g) Place housing within a 100-year flood hazard area as mapped on aFederal Flood Hazard Boundary or Flood Insurance Rate Map or otherflood hazard delineation map?

No impact. The proposed project wil not place any housing within a1 OO-year flood hazard area.

h) Place within a 100-year flood hazard area structures which wouldimpede or redirect flood flows?

No impact. The proposed project wil not place any structures within a1 OO-year flood hazard area which may impede or redirect flood flows.

i) Expose people or structures to a significant risk of loss, injury, ordeath involving flooding, including flooding as a result of the failure ofa levee or dam?

No impact. The proposed project will not expose people or structures to asignificant risk of loss, injury, or death involving flooding.

j) Inundation by seiche, tsunami, or mudflow?

No impact. The project site is located in a flat area of City of Lancasterand will not be subjected any inundation by seiche, tsunami, or mudflow.

IX. LAND USE AND PLANNING - Would the proiect:

a) Physically divide an established community?

No impact. The proposed project does not include the construction of anyfacilities that would physically divide the community. Therefore, the projectwill have no impact on physically dividing an established community.

9

b) Conflict with any applicable land use plan, policy, or regulation of an

agency with jurisdiction over the project (including, but not limited tothe general plan, specific plan, local coastal program, or zoningordinance) adopted for the purpose of avoiding or mitigating anenvironmental effect?

No impact. The project alignment wil bore and jack under the existingMTA and URR railroad tracks east of Sierra Highway for which Right ofEntry permits have been issued. The proposed project does not impact orconflict with any known applicable land use plan, policy, or regulation of anyof the agencies with jurisdiction.

c) Conflict with any applicable habitat conservation plan or naturalcommunity conservation plan?

No impact. The proposed project will not conflict with any known habitatconservation plan or natural community conservation plan adopted by anyagency or community.

X. MINERAL RESOURCES - Would the proiect :

a) Result in the loss of availabilty of a known mineral resource that

would be of value to the region and the residents of the State?

No impact. The construction of the proposed project wil not deplete anyknown mineral resources. Therefore, no impact is anticipated.

b) Result in the loss of availability of a locally important mineralresource recovery site delineated on a local general plan, specificplan, or other land use plan?

No impact. The project site is not identified as a mineral resource recoverysite in the local general plan, specific plan, or other land-use plan.

Therefore, the proposed project will have no impact on locally importantmineral resource recovery site.

XL. NOISE - Would the proiect result in:

a) Exposure of persons to or generation of noise levels in excess ofstandards established in the local general plan or noise ordinance, orapplicable standards of other agencies?

Less than significant impact. Noise levels within the proposed project

site may increase during construction. However, the impact is temporaryand wil be subject to existing noise ordinances and standards set by theU.S. Occupational Safety and Health Administration. The contractor wil berequired to comply with the construction hours specified in the City ofLancaster noise control ordinances. Overall, since the construction periodwil last for a short period, the project wil not expose people to severe noise

10

levels. Thus, the impact to severe noise levels is considered less thansignificant.

b) Exposure of persons to or generation of excessive groundbornevibration or groundborne noise levels?

Less than significant impact. Excavation and compaction duringconstruction could cause limited temporary ground vibration. However, theproject specifications wil require the contractor to comply with all noiselaws and ordinances. The project ground borne vibration and noise will beconsidered less than significant since construction will be for a short periodand will not expose people to severe noise levels.

c-d) A substantial permanent increase in ambient noise levels in theproject vicinity above levels existing without the project or asubstantial temporary or periodic increase in ambient noise levels inthe project vicinity above levels existing without the project?

Less than significant impact. During the construction phase of the

project, there will be some increase in existing noise levels. However, theproposed project contains no noise-generating features that wil result in apermanent increase in ambient noise leveL. Due to the short-term nature ofthe project, the impact wil be less than significant.

e-f) For a project located within an airport land use plan or where such aplan has not been adopted, within two miles of a public airport orpublic use airport, would the project expose people residing orworking in the project area to excessive noise levels or for a projectwithin the vicinity of a private airstrip, would the project exposepeople residing or working in the project area to excessive noiselevels?

No impact. The proposed project area is not within an airport land-useplan or where such a plan has not been adopted within two miles of apublic airport or public use airport. Therefore, the proposed project willhave no impact relating to excessive noise levels.

XII. POPULATION AND HOUSING - Would the project:

a) Induce substantial population growth in an area either directly(e.g., by proposing new homes and businesses) or indirectly(e.g., through extension of roads or other infrastructure)?

No impact. The proposed project wil provide an additional water supply tohelp meet the current domestic and fire protection demand. No new homesand businesses are proposed within this project. Therefore, construction ofthe proposed project is not expected to result in population growth in thearea directly or indirectly.

11

b-c) Displace substantial numbers of people or existing housing,necessitating the construction of replacement housing elsewhere?

No impact. The proposed project wil not displace any existing residents orhousing, which wil create a demand for additional housing elsewhere.

XII. PUBLIC SERVICE

a) Would the project result in substantial adverse physical impactsassociated with the provision of new or physically alteredgovernmental facilties, need for new or physically alteredgovernmental facilties, the construction of which could causesignificant environmental impacts in order to maintain acceptableservice ratios, response times, or other penormance objectives forany of the public services: Fire protection, police protection, schools,parks, other public facilties?

No impact. The proposed project wil not affect public service and wil notresult in a need for new or altered governmental services in fire protection,police protection, schools, parks, or other public facilities.

XLV. RECREATION

a) Would the project increase the use of existing neighborhood andregional parks or other recreational facilties such that substantialphysical deterioration of the facilty would occur or be accelerated?

No impact. The proposed project will not increase the use of existingneighborhood or regional parks.

b) Does the project include recreational facilties or require theconstruction or expansion of recreational facilities which might havean adverse physical effect on the environment?

No impact. The proposed project does not include nor require theconstruction or expansion of any recreational facilities.

XV. TRANSPORTATION/TRAFFIC - Would the project:

a) Cause an increase in traffic which is substantial in relation to theexisting traffic load and capacity of the street system (i.e., result in asubstantial increase in either the number of vehicle trips, the volumeto capacity ratio on roads, or congestion at intersections)?

Less than significant impact. The proposed project will result in ashort-term increase in the number of vehicle trips as a result of constructiontraffic; however, the impact upon traffic congestion wil not be significant.

b) Exceed, either individually or cumulatively, a level of service standardestablished by the County Congestion Management Agency fordesignated roads or highways?

12

No impact. The increase in traffic in the project area due to constructionvehicles is temporary. Overall, the proposed project will not directly orindirectly cause traffic to exceed a level of service standard established bythe County Congestion Management Agency for roads or highways in theproject area.

c) Result in a change in air traffic patterns, including either an increasein traffic levels or a change in location, that results in substantialsafety risks?

No impact. The proposed project will have no impact on air trafficpatterns.

d) Substantially increase hazards due to a design feature (e.g., sharp

curves or dangerous intersections) or incompatible uses (e.g., farmequipment)?

No impact. The proposed project does not involve any design featuresthat are known to constitute safety hazards. Open excavations wil bepaved within the street right of way in accordance to the City of Lancaster'srequirements. Therefore, the project will have no impact on hazards due todesign features.

e) Result in inadequate emergency access?

Less than significant impact. The construction activities may slow down

traffic. However, the project specifications wil require that emergencyaccess be maintained at all times. The contractor will be required to giveadvance notice of all street and/or lane closures and detours to allemergency service agencies so that an alternate route can be established.Therefore, the impact to emergency access is considered less thansignificant.

f) Result in inadequate parking capacity?

Less than significant impact. The construction activities may temporarilylimit parking spaces along Avenue K. The contractor wil be required topost "No Parking" signs in advance so that alternate parkingaccommodations can be made. Therefore, the impact to parking capacityis considered less than significant.

g) Conflict with adopted policies, plans, or programs supportingalternative transporttion (e.g., bus turnouts, bicycle racks)?

Less than significant impact. The project alignment wil require boringunder the existing Metropolitan Transportation Authority and Union PacificRailroad Company tracks east of Sierra Hwy. A Right of Entry permit hasbeen acquired from both agencies. The construction activities wil notaffect railroad, bus, or any alternative transportation programs. Aside from

13

short-term impacts during construction, the proposed project will have noeffect on any pedestrians or bicyclists. Therefore, the proposed project wilhave a less than significant impact on adopted policies, plans, or programssupporting alternative transportation.

XVi. UTILITIES AND SERVICE SYSTEMS - Would the proiect:

a) Exceed wastewater treatment requirements of the applicable Regional

Water Quality Control Board?

No impact. The project wil not result in contamination or an increase indischarge of wastewater that might affect wastewater treatment. Thus, theproposed project will have no impact on the wastewater treatmentrequirements of the Regional Water Quality Control Board.

b) Require or result in the construction of new water or wastewatertreatment facilties or expansion of existing facilties, the constructionof which could cause significant environmental effects?

No impact. The proposed project wil not result in the construction of newwater or wastewater treatment facilities. Therefore, no impact isanticipated.

c) Require or result in the construction of new storm water drainagefacilties or expansion of existing facilties, the construction of whichcould cause significant environmental effects?

No impact. The proposed project will not result in the' construction of newwater drainage facilities. Therefore, no impact is anticipated.

d) Have sufficient water supplies available to serve the project fromexisting entitlements and resources, or are new or expandedentitlements needed?

No impact. The proposed project will improve and therefore beneficiallyimpact the water supply needs to the service area to help meet the currentdomestic and fire protection supply requirements.

e) Result in a determination by the wastewater treatment provider which

serves or may serve the project that it has adequate capacity to servethe project's projected demand in addition to the provider's existingcommitments?

No impact. No increase in the number of wastewater discharge facilitieswil occur as a result of the proposed project. Therefore, the proposed

project will have no impact on wastewater treatment.

f-g) Be served by a landfil with sufficient permitted capacity toaccommodate the project's solid waste disposal needs and comply

14

with Federal, State, and local statutes and regulations related to solidwaste?

No impact. Construction of the proposed project may result in excessexcavated materials and construction debris. However, the amount of solidwaste generated wil be minimaL. Project specifications will require thecontractor to dispose of these materials in accordance to all applicableFederal, State, or local regulations related to solid waste. The proposedproject will not result in a facility that wil generate solid waste. Therefore,there will be no impact on landfill capacity.

XVII. MANDATORY FINDINGS OF SIGNIFICANCE

a) Does the project have the potential to degrade the quality of theenvironment, substantially reduce the habitat of a fish or wildlifespecies, cause a fish or wildlife population to drop belowself-sustaining levels, threaten to eliminate a plant or animalcommunity, reduce the number or restrict the range of a rare orendangered plant or animal, or eliminate importnt examples of themajor periods of California history or prehistory?

No impact. Construction of the proposed water main will be within theexisting improved streets. The proposed project does not have thepotential to degrade the quality of the environment, substantially reduce thehabitat of a fish and wildlife species, cause a fish or wildlife population todrop below self-sustaining levels, threaten to eliminate a plant or animalcommunity, or eliminate important examples of the major periods of

California history or prehistory. Therefore, the proposed project will haveno impact on the environment.

b) Does the project have impacts that are individually limited, butcumulatively considerable? ("Cumulatively considerable" means that

the incremental effects of a project are considerable when viewed inconnection with the effects of past projects, the effects of othercurrent projects, and the effects of probable future projects?)

No impact. The purpose of the proposed project is to provide a reliablewater supply source to help maintain the current water service in the City ofLancaster. The proposed project will not have any known impacts that arecumulatively considerable.

c) Does the project have environmental effects which wil causesubstantial adverse effects on human beings, either directly orindirectly?

No impact. The proposed project will have no environmental impacts thatwill cause substantial adverse effects on human beings, either directly orindirectly.

15

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Areas ofPOTENTIAL VOLCANIC HAZARDS

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CAUFOANA DIVISION OF MINES .. GEOlOGY

..'

I

EXHBIT "E"

A Phase 1 Archaeological Study ForDesign Servces Los Angeles County Waterworks Ditrct No. 40

31.000 Feet Of New Tranmission Pipelie Along. A venue K Tranmission Mai Phases I, II, III, and IV

Antelope Valey, County of Los Angeles, Calornia

..-.

t, ".";" .

.-_. ..-. ._-- -----_.._.--- ....._-

Prepared and submitted to:

BrockmeierConsulting Engineers, Inc.1304 Olympic Boulevá~d

Santa Monica, California 90404-3726

. ~~=~~~Phone: 310-450-2879 ~Fax:-310-450-9127 n .._, ".._-- ..__.._.._...._- ----_. ._.._-

,

r.

Prepared and sublltted by:

Robert J. Wlodarski. Pricipal Investigator ..

Historical, Environmental, Archaeological, Research, Team8701 Lava Place, West Hills, Caiforna 91304-2126

Phone/Fax: 818-340-6676 - E-mail: robanie(ix.netcom.com

,l-. .....\t.' ....ß:' ..,.

December, 2000

,'"

.'

- _.. __._.. u...__

Executive Sumar.'. At the request of Brockmeier, Consulting Engineers, Inc. of Santa Monica, California, A Phase 1

..... . Archaeological Study was prepared for an environmental document in support of Design ServicesLos Angeles County Waterworks Distrct No. 40, 31,000 Feet Of New Transmission Pipeline AlongAvenue KTransmission Main Phases I, IT, il, and IV, Antelope Valley, County of Los Angeles,Calif()rnia. This document was intended to:* Assist the client in achieving compliance with federal, state and county laws and policies

regulating the performance of cultural resource studies in the County of Los Angeles.Integrate data obtained through a records search phase conducted by the South CentralCoastal Inormation Center, California State University, Fullerton, Department ofAnthropology, Fullerton, California (Appendix A).Research additional historical maps and studies pertaining to the project area.Perform an on-foot field reconnaissance for the 31,000 feet of proposed TransmissionPipeline along Avenue K. The survey area wil consist of the paved street and a buffer of 15feet (4.5 meters) on either side and at either end of the alignment. Proposed project impactsare projected to occur within existing, paved street right-of-way.Prepare a report docume'nting the results of the recórds search and field reconnaissanceproject phases which complies with appropriate federal and state cultural resourcelegislative enactments. .___uum_ _ ._____ .u..Provide recommendations for alleviating adverse impacts to cultural resources encounteredduring the course of the records search and field reconnaissance project phases.

*

*

*

*

*

~. ,The project involves the constrction of a new 31,000 feet long (9,300 meters) of new transmissionpipeline along Avenue K in Lancaster, California. The project follows the existing street (AvenueK) from 30th Street West (formng the western project terminus) to 30th Street East (forming theeastern project terminus). The proposed alignment wil essentially follow Avenue K in aneast-west direction, lying on both sides of Highway 14, with the placement of the pipeline withinthe existing road alignment. The survey area wil consist of the paved street and an additionalbuffer of 15 feet (4.5 meters) on either side and at either end of the alignment. Elevations withinthe right-of-way range from 2385 on the west, to 2424 on the east. Proposed project impacts will beconfined to previously modified and disturbed areas within existing roadway.

The results of the records search phase indicated that

.. No prehistoric archaeological sites or isolates are identified within the project area.

.. Two historic archaeological sites (19-001526 and 19-001527) have ben identified within fift

feet of Avenue K, on the south side of the road between 20th Street and 30th Street. 19-001526was recorded in 1989 by Richard Norwood of RT Factfnders as a pre-1915 homesite withassociated household debris scattered over a large area. 19-001527 was recorded in 1990 byWiliam Manley of Regional Environmental Consultants as a light trash scatter, water tankand welL. No foundations were observed. Both sites are not located within the roadway andrepresent turn-of-the-century (1900-1920) occupation of the area.

Nine prior surveys/excavations have ben performed within a one-quarter mile radius ofthe study area (Anon 1996 - LA4008; Eggers, A.V. 1975 - LA2033; Kig, C. 1998 - LA 4392;Love 1988 - LA249; Love and DeWitt 1990a - LA055, and 1990b - LA2088; Norwood 1989a-LA1761 and 1989b - LA1763; and Manley 1990 - LA1990). Al of these sureys overlap

sman portons of the project area.-

*

-ü-.,

...

No properties are listed on the National Register of Historic Places within the study area.No propertes listed on the Californa State Historic Resources Inventory (HRI) lie within thestudy area.No California Historical Landmarks (1990), Offce of Historic Preservation, CaliforniaDeparbent of Parks and Recreation are recorded within the project area.No California Points of Historical Interest (1992) are listed within the project area.

An inspection of historical maps (1854-1917) including the Elizabeth Lake USGS map series (1917edition) indicated that by the early 1900s, a loose network of improved and unimproved roadswas in place and scattered structures including residences, ranches and mining related buildingsexisted in the general area. Rosamond, Lancaster, Palmdale, Littlerock, Elizabeth Lake, Maynard,a dry lake the A.T.S.F railroad and the Southern Pacific Railroad (San Francisco and New OrleansLine) are listed by 1910. By the late 1920s (Lancaster USGS map (1929-31), Lancaster has majorroads in place with development spreading in all directions from the hear of the city.

*

*

*

*

The on-foot field investigation was perfonned on Tuesday, December 19,2000 by RobertWlodarski serving in the capacity of Principal Investigator, and Dan Larson who performed theduties of Survey Archaeologist The entire length of the proposed alignent was surveyed. Sincethe project area is currently paved, the surveyors inspected a 1S-foot area (4.5 meters) on either'side of Avenue K to assess potentialy undisturbed soils adjacent to the proposed alignment. A

. -total of sixteen person-hours were required to complete the field phase of this project.

Results

No prehistoric or historic cultural resource remains were encountered during the field phase.. Based on a thorough investigation of the proposed project alignent, the entire route wil be

constructed within graded and highly disturbed roadbed. The field investigation also inspectedoff-road areas including the shoulder, rodent burrows, exposed trenches, existing waterways, andother fortuitous exposures to ensure that no surface cultural resource remains would be affectedby the.proposed project.

Conel usions I Recommendations

No foreseeable impacts to identified cultural resources are anticipated as a result of this project.This report only addresses the area ilustrated in Figures 2a-2b. The results of this report cannot be

used for any changes or modifications to the proposed project as discussed within the context ofthis report. Any subsequent changes wil require additional work.

Since by its nature, a walk-over can only confdently assess the potential for encountering surfacecultural resource remains, customary caution is advised when developing within the project area.Therefore, should unanticipated cultural resource remains be encountered during constrction orland modification activities, work must stop, and the County of Los Angeles Plannng Directorshall be contacted immediately to the determne appropriate measures to mitigate adverse impactsto the discovered resources. Cultural resource remains may include arfacts, shell, bone, features,altered soils, foundations, trash pits and privies, etc. If human remains are discovered, then theprocedures described in Setion 7050.5 of the Caforna Health and Safety Code shall be followed.These procedures require notification of the coroner. If the coroner determnes that the remainsare those of Native American ancestr, then the Native American Heritage Commssion (NAHqmust be notified by phone withi 24 hours. Setions 5097.94 and 5097.98 of the Public Resources

Code, describe the procedures to be followed afer the notification of the NAHC.

-IÜ-.,

T able of Contents

. TITLE

EXECUTIVE SUMMARY

i. INTRODUCTION1.1 Scope of the Project

1.2 Descripton of the Project

1.3 Location of the Project

II. ENVIRONMENTAL SUMMARY2.1 Physiography

II.. CULTURAL SETTING3.1 Prehistoric Inormation

3.2 Ethnographic Inormation

3.3 Historical Inormation

N. BACKGROUND RESEARCH INFORMATION

V. FIELD RECONNAISSANCE -PHASE5.1 Crew5.2 Field Reconnaissanëe strategy

5.3 Results5.4 Conclusions/Recommendations

APPENDIX A: Archaeological Records Search Results

PAGE

II

1

1

1

1

1

1

5587

7

1313131315

15

17

Vi. BIBLIOGRAPHY

1

2a

2b

3

4

5

6

7

List of FiguresFIGURE PAGE

2

3

4

6

8

9

10

11

Vicinity Map

Location of Survey: Lancaster West Quad Map

Location of Survey: Lacaster West Quad Map

Project Area in Relation to Tribal Boundaries

The General Area in 1845

The General Area in 1884 Showing Posta Routes

The General Area in 1910

The Project Area as Surveyed in 1929-1931 (Revised in 1958)

-iv-

i. Introduction. 1.1 Scope of the Project

.' ,. At the request of Brockmeieri Consulting Engineers, Inc. of Santa Monica, Californa, A Phase 1Archaeological Study was prepared for an environmental document in support of Design ServicesLos Angeles County Waterworks Distrct No. 40, 31,000 Feet of new transmission pipeline alongAvenue K Transmission Mai Phases I, II, II, arid IV, Antelope Valleyi County oELos Angeles,California. The objectives of this study were to:

1. Assist the client in achieving compliance with federal, state and county laws and policies

which regulate the performance of cultural resource studies within Los Angeles County.2. Integrate data obtained though a records search phase conducted by the South Central

Coasta Inormation Center, Caifornia State Universityi Fullerton, Department ofAnthopology, Fullertoni Calforna (Appendix A).

3.. Investigate additional, applicable historical source material including maps and studies

pertinig to the project area.4. Perform an on-foot archaeological reconnaissance for the 31,000 feet of new Transmission

Pipeline along Avenue K The survey area wil cons,ist of the paved street and an additionalbuffer of 15 feet (4.5 meters) on either side and at either end of the alignent. Proposed'project impacts wil be confned to previously modified and developed areas'.

5. Prepare a report docu.mentiilgthètesultsof the records search and field reconnaissancephases which complies with federal and state cultural resource legislative enachnenLs.

6. Provide recommendations for alleviating adverse impacts to cultural resources encounteredduring the course of the records search and field reconnaissance project phases.

1.2 Description of the Project

The project involves the constrction of a new 31,000 feet long (91300 meters) of new transmission

pipeline along Avenue K in Lancasteri Californa. The project follows the existing street (AvenueK) from 30th Street West (formng the western project termus) to 30thStreet East (fonnng theeastern project terminus). The proposed alignment wil essentially follow Avenue K in an east-west direction, lying on both sides of Highway 14, with the placement of the pipeline within theexisting road alignent. The survey area wil consist of the paved street and an additionalbuffer of 15 feet (4.5 meters) on either side and at either end of the alignent. Proposed projectimpacts wil be confined to previously modified and disturbe areas withn existing roadway.


The project area is situated norteast of the San Fernando Valley, south of Edwards Air Force Baseand north of Palmdale in the Antelope Valley within the Lancaster city limits (Figure 1). The 'project alignent can be found on the Lancaster East USGS Topographic map (1958 -photorevised

1974) encompassing portons of Setions 31 191 20 and 29 of Township 7 North and Range 11 West,

and on the Lacaster West USGS Topographic map (1958 - photorevised 1974) encompassingportions of Setions 19 through 30) of Township 7 NOrth and Range 12 West (Figure 2).

II. Environmenta Sumar2.1 Physiography

. fhe Antelope Valley is located in the westernost porton of the Mojave Desert and consists of

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roughly 3,000 square miles of land. The valley is bordered on the nortwest by the TehachapiMountans which separates ths land mass from the San Joaquin Valley, and on the south and

'" southwest by the San Gabriel Mountains, The northern and eastern boundaries consist of isolatedbuttes, Ths geomorphic basin has no outlet for its streams, and all rain water either beomes partof the underground aquifer or settes in the lower part of the valley. Twelve creeks trend into thevalley from the south and transport precious water into the area during the rainy season includingSheep, Bone Yard, Muscal, Deadman, Pallett, Boulder, LaMontane, Bobls Gap, Big Rock, Sand,Litte Rock and Amargosa. The San Andreas Fault trends along the entire southern slope of theAntelope valley forming a series of long, narrow, enclosed basins.

III Cultual Settg3,1 Prehistoric Information

At the time of Spanish exploration, the project area was occupied by the Serrano who were alsocalled Vanyume or Kitanemuk (Figure 3), They consisted of autonomous localized sibs and theirland- holding lineages were further divided into exogamous totemic moieties with ritual andceremonial obligations (Kroeber, 1925:615-616). Each clan retained conrrol over several areas(usually a creek and the strp of land surrounding it) from1which they gathered their foodresources during the course of the year. They were also part of a larger trade network thatextendedthoughQut Calif()rIla. CO((#ti~ns\-i!h()tner Serrano claI1~.""er~~ased on reciprocalceremonial, marital and economic relationships. They also established alliarÌces'wiÍ:hsimTfariyorganized Cahuila, Chemehuevi, Gabrielino, and Cupeno.

The Serrano spoke a Takic language. Takic speaking groups historically occupied the Los AngelesBasin off shore islands and surrounding areas extending south to the San Luis - Rey River and eastto the Mojave sink and the Coachella Valley and nort to the San Joaquin Valley apparently

established themselves in the area around 800 BC The Takic languages are a division of theUto-Aztecan language stock. People speaking the ancestral Takc language may have ben able toestablish themselves beause of their more complex political organiation.

Primary Serrano vilages were located in the foothlls with some settlements situated in highertransitions zones as well as along the desert floor. Access to water was the determining factor inselecting habitation sites. They lived in single-family dwellngs which were circular, domedstrctures constructed over an excavated area. The houses had wilow frames covered over with

. tule and brush mats secured to the framework, and Served primarily aS,sleeping areas. A majorityof the activities took place outside or under roofed structures without walls, called ramadas, Theonly other buildings in the vilages were ceremonial houses occupied by the vilage priest andused for religious rites and ceremonial activities, and a granary for storing provisions (Stickel andWeinman-Roberts, 1980:99). -The Serrano were accomplished potters and basket makers. Their pottery was made of coiled clay,smoothed with a paddle and dried in the sun before being fired in a pit. Baskets were fabricatedfrom yucca fiber, wilow, reeds, and local grasses, Their aract inventory included: musicalinstrments such as rattes, flutes, and whistles; utensils and ornaments such as fire drills, pipes,morts, metates, beads, pendants, awls, and projectie points from wood, shell, bone and stone,

Petro glyphs abound on rock surfaces in the Serrano terrtory, Abstract and geometric designs areinterspersed with representational figues of sheep, liards, human beings, and possible celestial

. bodies, They are typical of those found throughout the Great Basin area,

-5-

- . NATIVE TRIBES. GROUPS, DIALECTS, AND FM\ILlES OF CÄLlFORNIA IN 1770

Coilonoon190. Soldon (doubtful)19b. San Franciico19c. Sanlo Claro19d. SonIa CN'191. San Juan Bauliiio (Mu!lunl19f. Manli..y (Rum..,,,11911. Sol..ac

YokutDlalict llroPI,20. Nortm Vall.. (Chlom"i. Chuchila, Itc.12Ob. Sothm Vailiy (Tachi. Youilmonl, "'e.)2O Northm Hil IChukchnll, ile.12O. Kiniii River (Chlnl""I, ilc.)20.. Tull,KaWlh IYaucanthl, .!C.t2O. POlO Crk (Paliuyamll2O. Buina Villa (Tulamnl, Itc.1

UTO.AlEKAN ISEANI FAMILYPlatiou branch

Mano.Bannock II""P:21 a. Nortm Paiute (PaylollOl21 b. Eallem Mono IPaiuul121 e. Weilirn ManoSh,honi-Canch IIroP'21 d. Panamlnl (KOla, Sho..llUli-eimii.iiiro,21.. Chmihuev; ISm Paluue)211. Kawaliiu ITehochapilIClm RIVlr branch -21 II. Tübatulabal lan Bakalachil

ATHABA FAMilYOrOlan II rop

10. Roul liye, (uni"hobii"'lTolowa iiroP

lb. Tolo_Hupa IIroP

Ie. HupaId. OOilulaII. Whilkir

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ALGONKIN FAMilYYurok'.20. Yuro2b. CoI Yuro

3. WiyalYUKIAN FAMILY

40. Yuki"b. Hucc~. eoii Yuki

lUTU~MI'fTAMIL Y5. Mad

HOKAN fAMILYShailan

60. ssia6b. New Rivir Shila60. Koaalhu6d. Okwanucu60. Aehowi IPil RiverlItf. "!lugiw; lHoI Crkl

*- TlAMT"HOI

- KROEBER. 1955.NEW BOUNDARIES

-~~21nC

Soullm Callfomia branchSerrano iiroP'21 h. Kltanimuk (Tijanl211, Alllklik21 i. Vanyue IMõhiniyaml21 k. Serrano .Gabriellno iiro,211. Fomandeño21 m. Gabriiliño

21 n. Nicolth

~2101

~luiH1o.Cahuila g'aup,210. Juaoo21 p. luÏl21q. Cu21,. POl Cahuila211. Molain Cahuilla21t. Dert Cahuila

UNIVERSITY OF CALIfORNIA

DEPARTMENT OF ANTHROPOLOGYCopil'" 1922, Iiprlnt'" 1933MAP 20

Modifications made by Kroeber on the basis of research after 1922.

PROJECT AREA IN RELATIONTO TRIBAL BOUNDARIES

FIGURE3

-6-

The Serrano sustained a hunting and gathering economy, exploiting virtually every possible foodresource in their environment Hunting was generally the task of the males who used bows and

.':; - arrows, thowing sticks, traps and snares to catch deer, antelope, mountain sheep, rabbits, and. other rodents, and various birds, especially quaiL. The women collected seeds, tubers, roots, acorn

and pinon nuts. Although they did not engage in agricultural activities per say, the Serranomanipulated the natural plant environment by annually harvesting the acorn crop and by burningareas where crua seeds grew, thereby increasing the yield (Stickel & Weinman-Roberts 1980: 100).

Abandonment of the permanent Anasaz settements in the southern par of Nevada and Utah atthe beginnng of ths period ended their infuence in the Mojave, At tts time, there is a noticeablechange in point types, as the Cottonwood series and the small Desert Side Notched series beomethe predominant types, These points are generally associated with the Numic expansionthroughout much of Californa and the Great Basin, Knowledge concerning the Serrano issummarized by Bean and Smith (1978) while Bean and Blackburn (1978) summarized the closelyrelated Kitanemuk. The evolution of Serrano society resulted in a complex and unique societydescribed by early Spanish explorers and colonists after AD 1603.

3.3 Historical Information

There were no known permanent vilage on the floor of the Antelope Valley. Instead, the desertvalley pro~ded trade routes from Arizona and New Mexico to the Californa coast. 'AlthoughCaliforna was discoveréd in the 1500s, it was not Until thedäter part of the 1700sthafexploration -- -was initiated, Captain Pedro Fages, an offcer in Portola's expedition, is credited as beingthe firstwhite man to set foot in the Antelope Valley in 1772, Franciscan Friar, Father Garces, crossed thewestern end of the An.telope Valley in 1776 while traveling from the Colorado River to the five. coasta missions that were in existence. During 1827, Jedediah Smith traversed the AntelopeValley as the first American to visit California by land, By 1829, Kit Carson, while trapping,explored portions of the Antelope Valey. Gold was first discovered by Francisco Lopez in 1842 atthe southern edge of the Antelope Valley in what is now Placerita Canyon bringing a brief influxof miners to the region. Finally, JOM C. Fremont, during 184, conducted a scientific explorationof the region (Figure 4),

From the 1840s the valley was used primarily for hunting antelope and as a hideout for banditslike Joaquin Murrieta and Tiburcio Vasquez. Don Alexander and Phineas Barng established thefirst stage line from Los Ãngeles to the nort, runnng through the southernost edge of the

. Antelope Valley. During the 1870s, small ranches and homesteads sprang up around surfacewater sources, The Southern Pacifc Rairoad completed a line through the Antelope Valley inSeptember, 1876, With the completion of the railroad, the settlers came, and Palmdale and the. AntelopeValley ended years of isolation. Figures 5-7 ilustrate the growth and development of thearea from 1884-1929, Today, Edwards Air Force base, a thrving defense economy, and people -looking for a less hectic lifestyle, have created a rapidly growing suburban envionment inLancaster and Palmdale,

iv. Background Research Information

As part of ths study, research was conducted for the project area using Inonnation obtained fromhistoric maps, archival data, and prior studies. An inspection of the following sources included:

.1, A records search phase conducted by the South Central Coastal Inormation Center,

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:( ~

\,d_;

::~: .

.

I

FIG

UR

E7

California State University, Fullerton, Department of Anthropology, Fullerton, California(Appendix A).

.:'.' .2. National Register of Historic Places (Federal Register-8/94-with supplements to date).. 3, California State Historic Resources Inventory (HR!) (Department of Parks and Recreation

1976),4. CaHforna Historic Landmarks (California Department of Parks and Recreation 1990).5. Caiforna Points of Historical Interest (1992).


* No prehistoric archaeological sites or isolates have ben identified within or directly adjacentto the project area.Two historic archaeological sites (19-001526 and 19-001527) have ben identified within fift

feet of Avenue K, on the south side of the road between 20th Street and 30th Street 19-001526was recorded in 1989 by Richard Norwood of RT Factfnders as a pre-1915 homesite withassociated household debris scattered over a large area, 19-001527 was recorded in 1990 byWiliam Manley öf Regional Environmental Consultants as a light trash scatter, water tankand welL. No foundations were observed, Both sites are not located within the roadway andrepresent turn-of-the-enhhry (1900-1920) occupation of the area.

Nine prior surveys/excavations have been performed within a one-quarter mite radius ofthestudYccrea (Anon1996_~LA4008; EggeI"s, AY. 1975 - LA2033; King,C. ,19~S.~l~_4~~2;Love 1988 - LA249; Love and DeWitt 1990a - LA2055, and 1990b - LA2088; Norwood 1989a-LA1761 and 1989b - LA1763; and Manley 1990 - LA1990). All of these surveys overlapsmall portons of the project area. .No propertes are listed on the National Register of Historic Places within the study area.No propertes listed on the Caifornia State Historic Resources Inventory (RR!) lie within thE'study area.No California Historical Landmarks (1990), Offce of Historic Preservation, CaliforniaDepartment of Parks and Recreation are recorded withn the project area.No Californa Points of Historical Interest (1992) are listed withn the project area.

*

*

*

"

*

*

An inspection of historical maps (1854-1917) on fie at the Geography Departent Map ReferenceCenter, California State University, Northridge, and County of Los Angeles, Department ofPublic Works, Bureau of Engineering, included:

1854-76 Township 7 Nort, Range 11 and 12 West, San Bernardino Meridian.1869 Map of Private Grants and Public Lands Adjacent tò Los Angeles and San

Diego in the Southern Part of Californa (published by Clinton Day),

Map of the County of Los Angeles, Caiforna (by H,J, Stevenson).Map of the County of Los Angeles, Californa (by Rowan).Map of the Reservoir Lads in the County of Los Angeles (by Sebold).Setional and Road Map of Los Angeles County Showing Oil and MiningDistrcts (by Stoll and Thayer).Elizabeth Lake USGS map series (1917 edition),Topographic Map of the Los Angeles Aqueduct and Adjacent Territory(compiled from U.S,G,S. topographic maps; Wheeler's war maps; Le Conte'smaps; county maps, and; L.A. Aqueduct maps),Los Angeles County (Blunt).Lancaster 15 minute USGS topographic map (surveyed in 1929-31),

1881188818911900

19001908

19111958

-12-

v. Field Reconnaissance Phase

. ,5.1 Crew

. The crew consisted of Robert Wlodarski, the Principal Investigator of H,E,A,R.T" who has a B.A.in History. and Anthopology; an M,A, in Anthropology from Californa State UniversityNorthridge (C5UN); 30 years of professional experience in California archaeology; over 500individual projects completed; certfication in field archaeology/' and theoretical/ archival researchby the Register of Professional Archaeologists (RP A); and, is a registered Californa historian by

the California Commttee for the Promotion of History (CCPH). The Principal Investigator wasassisted in the field by Dan Larson who has a B.A, in Anthropology from California StateUniversity Northdge (CSUN)/ with over 36 years of professional experience in Californiaarchaeology, and meets the qualifications for certification in field archaeology by the Register ofProfessional Archaeologists (RP A),

5,2 Field Reconnaissance Strategy

The field reconnaissance for the proposed pipeline entailed a mixed survey strategy whichincluded: A survey by car of those areas which are completely covered by pavement or where... t .' ..development has completely covered the surface; and an on-foot reconnaissance of all areas withinthe proposed alignent which were essentially open space elements (open fields or'exposed dirtshoulders), For ths project/an additional buffer of is feet (4.5 meters) on either side and at eitherend of the alignent were inspected to determne if cultural resource remains of a prehistoric orhistoric archaeological nature would be affected by the proposed project

5,3 Results

The on-foot field investigation was performed on Tuesday, December 19/ 2000 by RobertWlodarski serving in the capacity of Principal Investigator, and Dan Larson who performed theduties of Survey Archaeologist The entire length ofthe proposed alignent was survèyed, Sincethe project area is currently paved, the surveyors inspected a IS-foot area (4.5 meters) on eitherside of Avenue K to assess potentialy undisturbed soils adjacent to the proposed alignment. Atotal of sixteen person-hours were required to complete the field phase of this project.

No prehistoric or historic cultural resource remains were encountered during the field phase.Based on a thorough investigation of the proposed project alignent, the entire route wiI be

constructed within graded and highly distube roadbed. The field investigation also inspected. off-road areas including the shoulder, rodent burrows, exposed trenches, existing waterways, andother fortuitous exposures to ensure that no surface cultural resource remains would be affectedby the proposed project, The field results and notations about existing conditions in field follows:

Western portion of the project

Proceeing west along Avenue K on the north side of the road: Nortside shopping center(including Carl's Junior, Burger Kig, Toys-r-us, Coco's; Highway 14 overpass and on-ramp; Parkand Ride facility; Mare Caanders; Oxford In; AIta Dena Express; 17th Street West; Hughes

Plaza; Century 21 Ofce; Eye Care and Dental Center; Oakood Building (including InnityMortgage and Troth Realty); open lot; 20th Street; Denny's; Oocktower Plaza and parking;residential development with brick wall frontig Avenue K; 22nd Street West; residentialjevelopment with brick wall frontig Avenue K; 24th Street West; residential development withbrick wall fronting Avenue K; 25th Street West; residential development (including 2539-2647

-13-

Avenue K West); 27th Street; residential development (including 2707-2747 Avenue K West);EJiopulos Drive; more residential development; 30th Street (western terminus).

.. Proceeding east along Avenue on the south side of the road: Open lot with a bus stop; residentialdevelopment with brick wall fronting Avenue K; 27th Street West; residential development(including 2652-2506 Avenue K West); 25th Street West; residential development (including2358-2330 AvenUe K West); open lot; Westfeld Drive and gated residential community; openfield; 22nd Street West; Kinder Care; Pinecrest School; shopping mall (Albertsons and Savon, etc.);Jack-in-the-Box; Green Burrto; 20th Street West; Arco gas station; Pinnacle Mortgage; auto parts;residential development (including 1816-1802 Avenue K West; 25th Street West); 18th Street West;Chevron gas station; abandoned structure; open lot; Der Wienerschntzel; Vilage Square; 17thStreet West; Carrows; Motel 6; Highway 14 on-ramp and overpass.

Eastern porton of the project

Proceeding east along Avenue K on the south side of the road: Highway landscaping; 15th StreetWest; Freeway off-ramp; Arco mini-mart; Ross for Less; Big 5; 13th Street West; Kragen AutoParts; Ses Candy; Ralphs; Pic N Save; McDonalds; 12th Street West; Washington Mutual; DonCueo's; target; Walden Books; Band of America; open lot; 10th Street West; Chrishnastree lot;large, asphalt parking lot; open lot; Bingo Parlor; Gadsden Avenue; Woodcreek gardenApartments; open lot at 500 West Avenue K; Furniture place; Sierra Highway; railroad tracks;

- opëil-Iot; Division Strëet; open lot; Dallas' Tiees;open lot; BPO Elks #1625; AritelOpeTowri HOmes(aparents); Kirkland Avenue; Antelope Town Homes; golf driving range (Lancaster GolfCenter); 5th Street East; Alta Dena Dairy Express market; open lot; 6th Street East; Liquor market;open lot; abandoned building; 634 East Avenue K(residence); Lilput Nursery School; residentialdevelopment (including 646 East Avenue K); 7th Street East; residential development (including714 and 720 East Avenue K); catch basin; 750 East Avenue K (residence); open lot; 790 and 806East Avenue K (residences); Olympia Plaza; Challanger Way; Springfeld Plaza; residentialdevelopment; 11th Street East; residential development; open lot; residential development; privateroad; residential development; Yafa Street; residential development; Carol Drive; residentialdevelopment with a brick wall fronting Avenue K East; 15th Street East; residential developmentwith a brick wall fronting Avenue K East; a new development called the Le Palais (just gradedland and brick wall); 20th Street East; open lot; residential development with a brick wall frontingAvenue K East; open lot; residence (2300 East Avenue K); open space; residence (2516 EastA venue K); brick wall; residence; Iglesia church at 2548 Avenue K East; open lot where historic

. remains are visible in the distance from the road (CA-LAN-1527H); 30 Street East

Proceeding west along Avenue K on the nort side of the road: Residential development; SantaRosa Circle; residential development (2757-2727 Avenue K East); 27th Street East; parking lot;residential development with a brick wall and sidewalk fronting Avenue K East; 25th Street East;residential development with a brick wall and sidewalk fronting Avenue KEast; 22d Street East;open lot with a dirt shoulder; 20th Street East; residential development with a paved road andlandscaping paralleling Avenue KEast; Stad cliff Avenue; residential development with a pavedroad and pine trees and landscaping paralleling Avenue K East; 17th Street East; residentialdevelopment with a paved road and landscaping paraleling Avenue K East; residentialdevelopment with brick wall frontig Avenue K East; gated residential development; ChistmasTreet lot 15th Street East residential development with brick wall frontig Avenue K East; 13th

. Street East; residential development with brick wall fronting Avenue K East Yaffa Street;

-14-

,.

residential deveÌopment with brick wall fronting Avenue K East; aparents; Texaco gas station;Challanger Way; brick building and parking lot under constrction; open lot with dirt shoulder; .8th Street East; residential development; open lot with a dirt shoulder; 7th Street East; residentialdevelopment with brick wall fronting Avenue K East; 6th Street East; residential developmentwith brick wall fronting Avenue K East; 5th Street East; open and graded lot; residentialdevelopment with brick wall and chain link fencing fronting A venue K East; 4th Street East; openlot; blue, clapboard house; open lot with a dirt shoulder; Stanridge condo unit with parallelasphalt road; open lot with a dirt shoulder; Liquor mart (8 ball); Division Street; Arco gas station;parking lot; open lot; railroad tracks; Sierra Highway; Smog Center; Karen's Kitchen; open space;Muffer Shop; open lot; building; The Colony Park condos with asphalt road paralleling Avenue KWest; Elm Avenue; residential development with brick wall fronting Avenue K West; Fig Avenue;residential development with a paved road and landscaping paralleling Avenue K We'st; GadsdenAvenue; plaza; Firestone Tires; used car lot; RV rentals; Enterprise rental cars; Chevron station;10th Street West; used car Jot; KC Custom Mouldings; KFC; stip mall; Designer Furniture; 12thStreet West; Quick Key; First Place Awards; Quality Care Providers; drainage channel; pavedopen space; Toys R Us shopping center; 15th Street West

5.4 Conclusions/Recommendations

No foreseable impacts to identified cultural resources are anticipated as' a result o( this project.This reportonly ada.r_esses the areaillusLLa,ttdJn F'.gi.r,e~~~~?'tJ~J)1e r~sults of this report cannot heused for any changes or modifications to the proposed project as discussed within the context ofthis report Any subsequent changes witl require additional work.

Since by its nature, a walk-over can only confdently assess the potential for encountering surfacecultural resource remains, customary caution is advised when developing within the project ared.Therefore, should unanticipated cultural resource remains be encountered during construction orland modification activities, work must stop, and the County of Los Angeles Planning Directorshall be contacted immediately to the determie appropriate measures to Ittigate adverse impactsto the discovered resources. Cultural resource remains may include arfacts, shell, bone, features,altered soils, foundations, trash pits and privies, etc. If human remains are discovered, then theprocedures described in Setion 7050.5 of the Californa Health and Safety Code shall be followed.These procedures require notification of the coroner. If the coroner deterItnes that the remainsare those of Native American ancestr, then the Native American Heritage Commssion (NAHC)must be notified by phone with 24 hours. Setions 5097.94 and 5097,98 of the Public Resources

Code, describe the procedures to be followed after the notification of the NAHC.

Vi. BibliograEh. Anon199 Cultural Resources Investigation Pacifc Pipelie Emidio Route. Report (LA4088) on fie at the

South Central Coasta Information Center, Deparent of Anthopology, Caornia StateUniversity, Fullerton.

Bean, Lowell John, and Charles R. Smith1978 Serrano, In Handbook of North American Indians, Volume 8, Caornia, edited by Robert F.

Heizer, pp. 570-574. Smithsonian Institution.

Blackburn, Thomas, and Lowell John Bean1978 Kitaemuk. In Handbook of Nort American Indians, Volume 8, Caornia, edited by Robert F.

Heizer, pp. 56569. Smithsonian Institution.

-15-

. .

Eggers, A. Van1975 Zone Change Case No. 6102-(5) Draf Environmental Impact Report. Report (LA2033) on fie at the'

South Central Coastal Information Center, Department of Anthropology, Caornia StateUniversity, Fullerton.

King, Chester D.

1998 Archaeological Reconnaissance for the 10th Street West Transmission Main Lacaster, Los AngelesCounty, Caliornia. Report (LA4392) on fie at the South Central Coastal Information Center,Departent of Anthopology, California State University, Fullerton.

Kroeber, AL.1925 Handbook of the Indians of Caliornia. Bureau of American Ethology, Bulleti 78. Smithsonian

Institution, Washington.Love, Bruce

1988 Archaeological Overview of 508 Acres on the East Side of Lacaster Known as GPA 88-0 and88-0, Lacaster, Californa. Report (LA249) on fie at the South Central Coastal Information Center,. .Departent of Anthropology, California State University, Fullerton.

Love, Bruce, and Wiliam H. De Witt199a Cultural Resource Evaluation for Lacaster EIR Group 9, Lacaster, California. Report (LA2055) On

fie at the South Central Coastal Information Center, Department of Anthropology,' california StateUniversity, Fullerton.

__ J.99Qb Final Reportof the PhaseIITestig cmd,Evaluation,?f GPA 8_8~ and 88-(, Lani:aster, California,Report (LA2088) on fie at the South Central Coastal Information Center, Department ofAnthropology, Caliornia State University, Fullerton,

Manley, Willam R.

199 Historical and Architectural Assessment of LAN-1526H, City of Lacaster, Caliornia. Report(LA199) on fie at the South Central Coastal Information Centèr, Department of Anthropology,California State University, Fullerton.

Norwood, Richard H.1989a Cultural Resource Survey for GPA-8-4, Lacaster, Caliornia. Report (LA1761) on file at the South

Central Coastal Information Center, Department of Anthropology, California State University,Fullerton.

1989b Cultural Resource Survey for GPA-88-29, Lacaster, Caornia. Report (LA1763) on fie at the SouthCentral Coastal Information Center, Departent of Anthropology, Caliornia State University,Fullerton.

. Stickel, E. Gary, and Lois J. Weinman-Roberts1980 An Overview of the Cultural Resources of the Western Mojave. Bureau of Lad Management,

Cultural Resources Publication Anthropology-History, Riverside, Caornia.

-16-

APPENDIX A-_.- - --

- "_n .__,.u__.___._______

South Central Coastal Information CenterCallforna Historical Resources Information System

CaifornaState University, FullertonDepartent of Anthropology

P.D, Box 6846800 North State College BoulevardFullerton, Caifornia 92834-6846

Phone: 714-278-5395 - Fax: 714-278-5542Website: anthro.fullerton.edu/sccic.htm

(Prepared by Esther Won on December 18, 200 - Invoice #9074)

South Central Coastal Information CenterCalifornia Historical Resources Information System

California State University, FullertonDeparent of Anthropology

800 Nort State College BoulevardFullerton, CA 92834-6846

(714) 278-5395 / FAX (714) 278-5542antho.fullerton.edu / sccic.html

Los AngelesOrange

Ventura

December 18, 2000

Rob WlodarskiH.E.A.R. T

RE: Records Search for 31,000 Feet of New Transmission Pipeline Along Avenue K

Dear Mr, Wlodarski,.--..... --- -- -------,.... ----...._----,.,_._.._~---,--- _.- _. ... ,. - -,-,-- .,.. _. -- - - .._.-

As per your request received on December 18, we have conducted a records searchfor the above referenced project. Ths search includes a review of all recorded historicand prehistoric archaeological sites within your radius of the project area as well as a

review of all known cultual resource reports. The following is a discussion of our

i' findings.,

LANCASTER EAST QUADRAGLE

PREHISTORIC RESOURCES:-

No prehistoric sites have been identified withn your radius of the project area.

HISTORIC RESOURCES:

Two historic archaeological sites (19-001526, 19-001527) have been identifiedwithin your radius of the project area (see enclosed map).

PREVIOUS'ARCHAOLdGICAL INSTIGATIONS:

Six studies have been conducted withn your radius of the project area. There is one additionalinvestigations located on the Lancaster East 7,5' USGS quadrangle and are potentially within yourradius of the project area. These reports are not mapped due to insuffcient locational information.

LANCASTER WEST QUADRAGLE

PREHISTORIC RESOURCES:

(\.-

No prehistoric sites have been identified withii your radius of the project area.

, .

,,.., HISTORIC RESOURCES:

No histonc archaeological sites have been identified within your radius of the projectarea.

PREVIOUS ARCHAOLOGICAL INVSTIGATIONS:

Thee studies have been conducted within your radius of the project area. There are twoadditional investigations located on the Lancaster West 7.5' USGS quadrangle and are potentiallywithi your radius of the project area. These reports are not mapped due to insuffcient locationalinfonnation.

Please forward a copy of any reports resulting from this project to our offce as soonas possible. Due to the sensitive natue of site location' data, we ask that you do' nO"tinclude record search maps in your report. If you have any questions regarding ~he

re_sllltspr~~,~nt~~H~~,reiIl' ple,ase fee,l freeto contact our office at (714) 278-53,95.

Invoices are mailed approximately two weeks after records searches are completed.This enables your firm to request fuher information under the same invoice number.

Please reference the invoice number listed below when making inquires. Requestsmade after invoicing will result in the preparation of a separate invoice With a $15.00handling fee.

Sincerely,

Esther WonStaff Archaeologist

Enclosures:(X Pnmar Number Explanation(X) Map - Lancaster East, Lancaster West 7.5' USGS Quadrangle(X) Bibliography - _ pages() Site list - _ pages

() HRl- _pages .() National Register Status Codes - 4 pages

(X Site records - 19-001526 (16pgs), 19-001527 (6pgs)

(X) Surey reports - LA4392 (18pgs)

(X) Confdentiality Form() Invoice # 9074

z_~

"

EXHIBIT "F"

GEOTECHNICAL ENGINEERIG REPORTProposed Avenue K TransITssion Line

Phases I, II, III, and IVLos Angeles County Waterworks District No. 40

Avenue K, 30th Street West to 30th Street EastLancaster, Los Angeles County, Californa

PL-05531-01

PREPARED FOR

BROCKMEIER CONSULTING ENGINEERS, INe.

February 9, 2001

Prepared By

Earth Systems

Southern California1024 West Avenue M-4

Palmdale, Californa 93551(661) 948-7538

FAX (661) 948-7963

o Earth SystemsSouthern California

February 9,2001

1024 West Avenue M-4Palmdale, CA 93551

(661) 948-7538Fax (661) 948-7963

Brockmeier Consulting Engineers, Inc.1304 Olympic BoulevardSanta Monica, Californa 90404-3726

PL-0553 1-0 1

Attention: Mr. Gary Roepke

Subject: Geotechnical En2ineerin2 ReportProposed Avenue K Transmission Main - Phases I, II, II, and IVLos Angeles County Waterworks District No. 40Avenue K, 30th Street West to 30th Street EastLancaster, Los Angeles County, CalifoDÚa

Presented herewith is Eart Systems Southern Californa's (ESSe's) Geotechncal Engieerig Reportprepared, as authorized, for the alignment of a proposed water transmission main line to be constructed inLancaster, Los Angeles County, Californa. The water line is to be inled in Avenue K, between 30. Str,',

West and 30. Street East, in the City of Lancaster, Los Angeles County, Californa. The conclusions andreconuendations contaed in ths reort are based upon ESSC's unerstandig of

the proposed developmentand on analyses of the data obtaed rrom the field and laboratory testin programs. The recoinndatinllprovided in ths report generally relate to criteria for pipeline installation and design pressures. ESSc stves toprovide its anlyses and reconuendations in accordance with the applicable standards of care for Ourprofession at the time ths study was conducted.

Ths reort COmpletes ESSC's scope of geotechcal engieeri services authorized on December 18, 2000,

which were pedonned in accordance with our proposal date April 28, 2000, Other servces that may be

requite, such as grad observation and constrctiun testig, are additiona' servce and will be biledaccording to the Pee Schednle in effect at the tie such servces are provided, Budgets for these services,which are dependent upon design and construction schedules, can be provided when requested,

Ea Syste Southrn Californa appreciates ths opportty to provide professional geotechncaengineeri servces for ths projec. If you

need clafication of the Innnation contaed in ths report, or ifwe can be of additional service, please contact the undersigned.

Respectfully submitted,

Earth Systems

Southern California

c5 ~ ~~- - ~Bruce A. Hick

Project Geotechnical Engineer

Distribution: 6 - Brockmeier Consulting Engineers, Inc,

February 9,2001 PL-0553l-01

T ABLE OF CONTENTS

PAGE

INTRODUCTION.. .....,.......,....., ..,.... ....... ,..... .......,........ ...." .,.,... ,. .....,....,........ .....,...,.... ,. ......,. ............. 1

PROJECT DESCRIPTION ., .,. ,....,.. ,... ,....' .....,...,........, .,.....,.' '.... .,. ,. ,............... ,.. .,...,., ,....,...., ....,.. ,....... 1

PURPOSE AND SCOPE OF SERVICES ...,.,..........,:.......,..,.,.,.....,.,.............,...,.......,....,.'....,..,............ 2

SITE DESCRIPTION,.,..,....,... ,. .,....,.,....... .....,............ .,....,..... ,... ,.. .......,.. ,....... '.,..,..,. ....... ..... ..., ..... .,...,2

FIELD EXPLORATION..........,............,..,....,........,..,..,..,..........,..........,...,.........".,......,..,..."....,.......... 3

LABORATORY TESTING..... ,. '...,..,.....,...... ..,..,..,...,.......,..,..,..,.......,... ..,..,..".,. ,.. ,......,.. '....,.. .,.,.........3

SURACE AND SUBSURACE SOIL CONDITIONS ....,.,...,..,.,..,................,.............,.,............,.,.,.., 4

GROUNDWATER,.....,.,.,... ...,......, ,.,................'......, ......... ...,.. ,. ,., ....... ......,.'............., .,....,....,.., ...,....... 5

REGIONAL GEOLOGY.. ..,.,., ..,....,.,., ..,.... ...,...... ,...,..,..,.... ,...,... ...,...... '.. ..,.,.....,.... ,. ,..., ,.....". ..'..,.....,.. 6

GEOLOGIC HAARS ..,. ,..,.., ...,. ,..,.,.., ,.............,..... .,.,...... ..... ..,. .....,.. ,., ....,.. ,. ,..........,......" .,.. ....,.,....6

Fault Rupture....."...."........."...""..."..,."."".."....""".."".."...",....."".""...."......... 6

Seismic Hazards".. .."" .."....." .... "". ..."... "".,,..... ."...... ",..... ...... "............".... ...."... 6Liquefaction......".".......",......"".....................""...."....."."..........,,,,,....,,.,,........,,.. 6

DISCUSSION AND CONCLUSIONS ,....,.,....,........,......,........,.................,....,.....,.....,.,..,..,...........,.,...7

Ground Settlement. ........ ...... "..".. ", .....'..... .."."........" ".... "".......".". .."... ."... .......... íGroundwater and Trench Dewatering..,.., ..,'....... ............ .", ..... .,.... ... ......... ..... .,.... '.... ...8Trench Excavation and Wall Stability.... .......',.. .......... ..... .... ........... .,....,., .....,. ......'. .., ..8Trench Bottom Stabilization and Bedding.". "".. ..... "....... ""...." "" "". ."" "". ..""....." ,,9

RECOMMENDATIONS""......,.....".",...,..."...."..,...,...,..."...."..""",.......",.,.",.""".""."..""..,.,..."",. 9

A. Pipeline Excavations......,..".........................................,....................."..,.........9B. Pipeline Subgrade Preparation and Trench Backfll...............".".."....."."."...". 10C. Foundations and Lateral Earth Pressures."".."..."........""..".....".........""........ 12D. Soil Chemical Testing......... .................... .". "..." ..........." ...".."......... ."" ..."... 13

CLIENT OPTIONAL SERVICES ....,...,..,..,....,.,...."..........,....,..........,............,................,.,..,....,....;,.. 13

LIMITATIONS AND UNIFORlII1Y OF CONDITIONS....,..,.............."..........,..,........,..,................,14

CLOS UR ,.,.",.",.",.,...".,..""""..",.""""".",.""",...""..",.""",.,.""."..",."",..,,..,.,""',.,',.,., ,."",..", 15

APPENDIX BAPPENDIX CAPPENDIX DAPPENDIX E

Site PlanBorig Logs

Summary of Test Results

Design PlatesSoil Corrosivity StudyCity of Lancaster Street Repair Guidelines

APPENDIX A

EARTH SYSTEMS SOUTHERN CALIFORNIA

February 9,2001 PL-05531-0 1

GEOTECHNICAL ENGINEERIG REPORTPROPOSED A VENUE K TRANSMISSION MAIN

PHASES I, II, il, AND IVLOS ANGELES COUNTY \V A TER\VORKS DISTRICT NO. 40

A VENUE K, 30TH STREET \VEST TO 30TH STREET EASTLANCASTER, LOS ANGELES COUNTY, CALIFORR~L\

INTRODUCTION

This Geotechnical Engineering Report has been prepared for the alignment of a proposed water

transmission main to be constructed in Lancaster, Los Angeles County, California, The water line isto be installed within the Avenue K right-of-\vay bet"\veen 30th Street West and 30th Street East, in theCity of Lancaster, Los Angeles County, California. The purpose of Earth Systems Southern

California's (ESSC's) services was to evaluate the geotechnical engineering characteristics of thesubsurface soils along the proposed water pipeline alignment relative to the anticipated development.

This report includes:

1. Descriptions of the field exploration and laboratory tests performed,

2. Conclusions and recommendations relating to construction of the proposed water line basedupon ana.1yses of data obtained from the exploration and testing programs and on knowledgeof the general and geotechncal engineering characteristics of the proj ect subsurface soils,

, PROJECT DESCRITION

Based upon ESSC' s discussions with Brockmeier Consulting Engineers, lnc" ESSC understands thatplans are to install approximately 31,900 linear feet of new 36" diameter steel water transmissionpipeline along Avenue K, between 30th Street West and 30th Street East. It is currently not knownwhich side or pavement lane the waterline will be placed.

The proposed watedine will be installed in four phases. Phase i is located between ioth Street Westth th. th thand 5 Street East, Phase II between 5 Street East and 20 Street East, Phase III between 30

Street West and 10th Street West and Phase iv between 20th Street East and 30th Street East (seeattached Site Plan), There is anticipated to be approximately five feet of cover over the pipeline.

It is anticipated that the majority of the proposed water line will be installed using conventional "cutand cover" construction technques, However, the use of "trenchless" pipeline installation techniquesmay be required at major street intersections and under the existing Southern PacificRailroad/Metrolink railroad tracks, These assumptions were used as the basis for the exploration,testing, and analyses programs, and for the recommendations contained in this report,


February 9,2001 2 PL-05531-01

PURPOSE AND SCOPE OF SERvìCES

The purpose of ESSC's services was to evaluate the project soil conditions along the proposedalignment, and to provide preliminary geotechnical engineering conclusions and recommendationsrelative to the proposed development. ESSC's scope of services included the following:

A. A general reconnaissance of the proposed alignment lines,

B. Shallow subsurface exploration of the proposed alignment line by drilling 32 test borings.

C. Geotechnical laboratory testing of selected soil samples obtained from the exploratory soilboring excavated for this project.

D. Engineering analyses of the data obtained from the exploration and testing programs.

E. A summary of our findings and recommendations in this written report.

Contained in this report are:

1, Discussions on local and project-specific soil conditions,

2, Results oflaboratory tests and field data.

3, Recomnendations relating to the proposed development including general soil andgroundwater conditions along the proposed alignment, recommendations relative to trenchexcavations, trench sloping or shoring, trench backfll criteria, pipe bedding criteria, and soilcorrosion potential.

SITE DESCRITION

The proposed pipeline is to be installed in Avenue K, between 30th Street West and 30th Street East inthe City of Lancaster, Los Angeles County, Californa (see attached Site Plan), Avenue K is a pavedimproved street with numerous cross-street intersections, Numerous utility lines and otherimprovements (medians, sidewalks, landscape planters, etc.) are present within this street andadjacent right-of-way. California State Highway 14/138 (Antelope Valley Freeway) crosses AvenueK via an overpass between 15th Street West and 17th Street West. Sierra Highway, another majornorth-south trending county arterial route crosses Avenue K at-grade at approximately 3rd Street

West. Several parallel railroad tracks of the Southern Pacific RailroadlMetrolink railroad crossesAvenue K at-grade just east of Sierra Highway,

Topographically, the ground along the proposed alignment between 30th Street West andapproximate 10th Street East is sloping to the north/northwest at an approximate one percent

gradient. The ground along the proposed alignment between approximate 10th Street East and 30thStreet East is sloping to the north/northeast at an approximate one percent gradient. The groundelevation at 30th Street West is approximatëiy 2,390 feet while the ground elevation at 30th Street


February 9,2001 ~J PL-05531-0l

East is approximately 2,425 feet The above-cited descriptions are intended to be illustrative, and arespecifically not intended for use as a legal description of the subject property

FIELD EXPLORATION

The field exploration for trus study, conducted in January 200 i, consisted of 32 exploratory soil

borings drilled to depths of approximately 11 feet below the existing ground surface. Borings 1through 8, inclusive, were drilled in the dirt snoulder along the south side of Avenue K. Bori~g 9through 25, inclusive, and 27 through 32, inclusive, were drilled \vithin the "center turning lane" ofAvenue K. Boring 26 was drilled in the extreme southeast corner of the asphalt concrete parking lotof the City of Lancaster "Park and Ride" facility located on the north side of Avenue K just west ofthe Antelope Valley Freeway,

The borings were drilled with a Cìvæ 55 truck-mounted drilling rig using eight-inch diametercontinuous flight hollow stem auger in accordance with generally accepted geotechnical explorationprocedures (ASTM D 1452). The approximate location of the exploratory borings, as indicated onthe attached Site Plan in Appendix A, vvere determined by sighting and pace measuring from existingstreets and project improvements. The exploration locations should be considered accurate only tothe degree implied by the measurement method used.

Bulk disturbed samples of the subsurface soils were obtained from tailings developed duringexcavation of the test boring, These samples were secured for classification and testing purposes andrepresent a mixt:-re of soils within the noted depths.

Soil samples ("ring samples") were secured from witrun the soil borings using a three-inc~ 0, D, ringsampler (ASTM D 3550). The sampler shoe is similar to the type specified in ASTM D 1586, A 140-pound hammer fallng approximately 30 inches (ASTM D 1586) drove the sampler. The number ofblows required to drive the sampler one-foot was recorded in six-inch increments, Recovered soilsamples were sealed in plastic containers and brought to ESSC's laboratory for further classificationand testing, .The Boring Logs for this report, included in Appendix A, represent ESSC' s interpretation of the fieldlogs prepared for each boring by our staff along with their interpretation of soil conditions betweensamples and results of laboratory tests, Wrule the noted stratification lines represent approximateboundaries between soil types, the actual transitions may be graduaL.

LABOR~ TORY TESTING

Afer visual and tactile classification in the field, the soil samples were brought to our laboratory, Thesoil classifications were checked in accordance with the Unified Soil Classification System and atesting program was established as follows:

A. Soil samples and field logs were reviewed to assess wruch samples would be analyzed further.


February 9, 2001 4 PL-05531-01

B, In-situ moisture content and dry unit weight for soil core samples were developed in

accordance with ASTM D 2937.

e. The relative strength characteristics of the compacted near-surface soils were estimated fromthe results .of direct shear tests (ASTtv'I D 3080) conducted on samples remolded toapproximately 90% of maximum dry density as determined by ASTM D 1557 test procedures.The remolded samples were placed in contact with water for at least 24 hours before testingand then sheared under normal loads ranging from approximately 0,5 to 2.3 KSF,

D. The relative strength characteristics of the subsurface soils 'vvere estimated from the results ofdirect shear tests (ASTM D 3080) conducted on ring samples obtained from the ring sampler.The samples \,vere placed in contact 'vvith water for at least .24 hours before testing and thensheared under normal loads ranging from 0.5 to 2.3 KSF.

E. Soil classification tests consisted of Particle Size Analysis: Mechanical Method (ASTM D

422) and Sand Equivalent (California Test Method 2 i 7).

F. Additional tests consisted of Maximum Density-Optimum Moisture (ASTM D 1557).

Refer to Appendix B for the laboratory test results, Presentation of the test results provides only thatinformation considered pertinent. References to ASTM and other test standards refer to the standardcurrently in effect.

Soil chemistry t..ests consisted of sulfate, pH and Soil Resistivity, as well as several other chemicalcontent tests, M, J. Schiff & Associates of Upland, California performed soil chemistry tests on

samples of the encountered soils provided by ESSe. The results of these soil chemistry tests, alongwith a Soil Corrosivity Study are included in Appendix D,

SURFACE AND SUBSURFACE SOIL CONDITIONS

As discussed in the Field Exploration section, Borings i through 8, inclusive, were driled in the dirtshoulder along the south side of Avenue K. Boring 9 through 25, inclusive, and 27 through 32,inclusive, were driled within the asphalt concrete pavement of the "center turning lane" of Avenue K.

. This pavement had a variable thickness of asphalt concrete and aggregate base materiaL. Boring 26was drilled in the extreme southeast corner of the asphalt concrete parking lot of the City ofLancaster "Park and Ride" facility located on the north side of Avenue K just west of the AntelopeValley Freeway; this pav~ment had asphalt concrete and aggregate base materiaL.

Avenue K is a paved improved street with numerous cross-street intersections. Numerous utility linesand other improvements (medians, sidewalks, landscape planters, etc,) are present within this streetand adjacent right-of-way.

The soils encountered in the exploratory borings are alluvial deposits, consisting of interbedded siltysands, relatively clean sands, clayey sands, sandy and clayey silts, and sandy and silty cJays (SM,SP,SC, ML, and CL soil types based upon the Unified Soil Classification System). In general, the uppersoils encountered east of i Oth Street West were found to be more "coarse-grained" (SM, SC, and SP


February 9, 2001 5 PL-05531-01

soil types) in nature. While the upper soils encountered \vest of 10lh Street West were found tocontain significant amounts of "fines" (soil particles passing the i;~OO sieve), soils containing "fines"were also encountered east of ioth S treet West. The upper "tìne-grained" soils (ìvIL and CL)encountered in the borings west of approximately 20th Street West \vere found to contain an abundantamount of calcium carbonate (locally referred to as "caliche") and were also found to be variablycemented.

Very moist to possibly saturated soils were encountered in several of the borings (see Borings B-12,B-14, B-15, B-16, B-17, B-1S, B-21, B-23, B-24, B-2S, and B-29). These very moist to possiblysaturated soils were found to consist predominately of "fine-grained" silts and clays ("NIL and CL soiltypes). While no free groundwater was encountered in any of the borings, it may be possible that"seepage" may result from some of the encountered very moist to possibly saturated soils ifexcavations are left open from a period of time.

The majority of the sands (SNl, SP, and SC soil types) encountered in the exploratory borings \verefound to be in a medium dense to dense condition, The majority of the fine-grained soils (lvIL and eLsoil types) were found to be in a stiff to hard condition, No bedrock was encountered \vithin theborings, The Boring Logs in Appendix A contain more detailed descriptions of the soils encounteredin the exploratory test boring,

Based upon the direct shear test results, the native soils within the depths tested were found to haverelatively low cohesive strength, and can be described as "non-cohesive". As such, all the soilsencountered in the exploratory borings can be classified as Type "e" soils according to eAL/OSRA..Per 1997 UBC, Table 16-J, the subgrade classification along the proposed alignment is a stiff soilprofile (SD).

Sand Equivalent values of the soils tested at or near the anticipated pipe sub grade elevations rangedfrom 5 to 73, . The soils with significant "fines" content (NIL and eL soil types have lower values thanthe more coarse-grained soils (SM, SP, and SC soil types), A Sand Equivalent of 30 or higher istypically required for water line pipe bedding materiaL. Some of the tested soils had sand equivalent.test results below 30,

GROUND\V A TER

Free groundwater was not encountered in the borings at the time of drilling, Static aquifergroundwater levels along the proposed alignment are estimated to be deeper than 50 feet below theexisting sudace (D. S. Geological Survey Water Data Report CA 93-5; Volume V: GroundwaterData, March 1993),

Very moist to possibly saturated soils were encountered in several of the borings (see section above).

These very moist to possibly saturated soils were found to consist predominately of "fine-grained"silts and clays (NIL and eL soil types), It may be possible that "seepage" may result from some of the

encountered very moist to possibly saturated soils if excavations are left open from a period of time,Fluctuations in groundwater levels may occur due to variations in rainfall, regional climate, and otherfactors.


February 9,200 1 6 PL-0553l-0l

REGIONAL GEOLOGY

The project is located in the south-central portion of the Antelope Valley. Lithologic units exposed inthis area consist predominantly of deep Quaternary sediments. Local active faults are typicallylocated along the margins of the Antelope Valley,

The San Andreas rift zone, which is several miles wide, dominates the geology of the southernAntelope Valley. The rift zone is an extensive zone of active and potentially active faults that extendsfrom the Gulf of California to Cape Mendocino in northern California. The San Andreas fault, andassociated subsidiary faults, is the closest active fault to the proposed pipeline alignment. The SanAndreas fault, at its nearest point to the proposed pipeline alignment (30th Street West), is located

approximately six miles southwest. No known active faults exist within or cross the proposedpipeline alignment.

GEOLOGIC HAZARDS

Based on the project reconnaissance and a review of selected geologic references, the geologichazards that could affect the proposed pipeline generally include seismically related hazards. Thesehazards are discussed below.

Fault Rupture

No active faults, have been mapped across the proposed pipeline alignment. Therefore, the potentialhazard due to active fault ground rupture is considered minimaL. The project is not located within an

Alquist-Priolo Earthquake Fault Zone, as currently published by the State of California, which aredefined by the California State Division of N11nes and Geology to delineate known active orpotentially active faults,

Seismic Hazards

The project is located in Southern Californa, which is an active seismic area. The project is withinSeismic Zone 4 as designated by the 1997 edition of the Uniform Bullding Code, Major historicearthquakes felt in the vicinity of Lancaster have usually originated from faults located outside thearea, These include the 1857 Fort Tejon, 1872 Owens Valley, 1952 Arin-Tehachapi, 1971 San

Fernando, 1987 Whittier, 1992 Landers and Big Bear events, 1994 Northridge and 1999 Hector lv11ne

earthquakes, Intense ground shaking from regional and local faults should be anticipated on thisproject. -

Liquefaction

Liquefaction is defined as a loss of strength of saturated cohesionless soil generally due to seismic

shaking. Soil types most susceptible to liquefaction are loose, saturated silty to clean fine sands,Based on the field exploration, the shallow alluvial soils along the proposed alignment consist ofsands that are generally in a medium dense to dense state, or stiff to hard silts and clays, Staticgroundwater depths along the alignment are greater than 50 feet. Where groundwater levels aregreater than 50 feet deep, it is generally thought that surface damage from deeper liquefaction will not


February 9, 2001 7 PL-05531-01

occur, Therefore, since the static groundw'ater level along the alignment is greater than 50 feet deepand since the foundation soils are relatively dense/stiff in nature, it is our opinion that hazards fromliquefaction on this project should be negligible.

Ground Fissuring

Areal subsidence could also occur on the project, but would probably occur on a regional basis,Ground fissuring is a recently observed phenomenon in the northwest Lancaster area and at EdwardsAir Force Base, It is thought to occur due to areal subsidence related to extensive groundwater

withdrawal, tensional stresses, and erosion, Documented hazards from 9:round surtàce tìssuring~ ~.observed in other areas of California have included foundation distress and adverse settlement. as we!!as cracking of pavement and utilities.

At this time, the areas of predominant fissuring in the Antelope Va!!ey are located north of ,-\venue i.ESSC is not aware of documented evidence of structural damage to buildings in the immediate areaof the project attributed to the ground fissuring phenomena. ESSe personnel observed no obviousevidence of fissuring on this project at the time of our field exploration,

The location of ground fissuring in the Lancaster area appears to be related to specific soil types,relative location within the area of areal subsidence, and the potential for storm runoff to erodeexisting fissures. Accurate prediction of future areas of fissuring is beyond the current state of the artfor this profession, especially as changes in groundwater pumping and location of well fields couldalter the location and magnitude of areal subsidence and associated tensional stresses.

DISCUSSION AND CONCLUSIONS

Based upon the field exploration, laboratory testing, ESSe's understanding of the proposeddevelopment, and past experience, it is ESSC's opinion that the proposed water line alignment, whenmodified as recommended in this report, is suitable for the intended construction,

Ground Settlement

Two types of settlement can affect trenching projects, First, the ground behind shoring or shieldingcan settle, and second, the trench backfll can settle. The ground behind shoring or shielding can

settle from two primary sources:

i) The ground can "yield" laterally and downward toward the shoring or shielding, This isoften referred to as "ground loss",

2) Dewatering can increase stresses in dewatered soils, which results in consolidation,

Some ground loss will occur with a shield and other shoring systems. The magnitude of this lossvaries widely and is diffcult to predict. For the medium dense to dense sands encountered in the

borings, it is estimated that the ground loss will be in the range of 1.0 percent near th~ trench, in therange of 0,5 percent at a distance "H" from the excavation, and to be negligible to a distance of "2H"


February 9,2001 8 PL-05531-0 1

from the excavation: "H" is equal to the trench depth and ground loss is expressed as a percent of thetrench depth,

Due to the depth to ground water within the project, dewatering of trenches is not anticipated for thisproject. Therefore, ground settlement from dewatering is not applicable to this project.

It should be noted that settlement of trench backfll is possible, even when the backfill is properlyplaced per the project backfll compaction specifications. Therefore, there is a potential for periodicreworking or resurfacing of the trench areas where the depth of backfill exceeds approximately five

feet.

Groundwater and Trench Dewatering

No free groundwater was encountered within any of the exploratory borings to the maximum depthdrilled, Therefore, no free groundwater related construction issues or trench dewatering are

anticipated for this project.

Very moist to possibly saturated soils were encountered in several of the borings. These very moistto possibly saturated soils were found to consist predominately of "fine-grained" silts and clays (NILand CL soil types). .It may be possible that "seepage" may result from some of the encountered very

moist to possibly saturated soils if excavations are left open from a period of time. Depending uponthe amount of seepage, it. may be necessary to install sumps or temporary pumps to remove anylocalized seepage,

Trench Excavation and Wall Stability

The majority of the soils encountered in the exploratory borings consist of "non-cohesive" mediumdense to dense sands (SM, SP, or SC soil types) or "low cóhesive silts and clays (NIL and CL soiltypes), As such, all the soils encountered in the exploratory borings can be classified as Type "C"

soils according to CAL/OSHA. In addition, very moist to possibly saturated soils were encounteredin several of the borings, Due to the depth of the proposed water lines, the non-cohesive natureof the soils encountered, and nature of the soils encountered, sloping trench walls or side

retention of trench excavations wil be required in most areas of the project. Trench excavations

wil require sloping, shoring, or shielding, or a combination, to comply with CAL/OSHAConstruction Safety Orders for Excavation, Trenches, and Earthwork.

The CAL/OSHA Construction Safety Orders provide specific sloping requirements for Type "C" soilsfor trenches 20 feet or less in depth, Also provided in the Construction Safety Orders are timber and

hydraulic shoring, shielding, and other methods of trench protection, A registered professionalengineer must design protective systems for trenches greater than 20 feet in depth, The .contractorshould provide his own design for retaining structures and submit his design to the project engineerprior to construction,


February 9, 200 1 9 PL-05531-01

The majority of the soils encountered along the proposed alignment should be excavatable \vithnormal trench excavation equipment used for a project with the trench depths anticipated. Cementedfine-grained soils (locally referred to as "caliche") were encountered in the western portion of theproposed alignment (approximately west of ioth Street West) that may require special excavationtechnques, No bedrock was encountered within the borings. Numerous utility lines and otherimprovements (medians, sidewalks, landscape planters, etc,) are present within Avenue K, adjacentcross-streets, and the adjacent right-of-way. .All such improvements should be identified prior totrenching operations and be relocated as required,

Trench Bottom Stabilization and Bedding

Due to the relative dense and/or stiff nature of the soil encountered, the majority of the trenchbottoms are anticipated to require only minor stabilization, Very moist to possibly saturated sods

were encountered in several of the borings. Depending upon the nature of these soils at the time ofexcavation, stabilization of these soils may be required.

The sand equivalent values of the soils tested varied from 5 to ì3. Standard specifications forpipeline construction call for pipe bedding material to have a sand equivalent value of 30 or higher.Some of the tested soils had sand equivalent test results below 30, Materials having the typicalminimum sand equivalent were encountered at isolated locations along the proposed alignment. Itmay be possible to stockpile acceptable pipe bedding material for use along the alignment. However,care will have to be utilized in collecting and segregating these materials .to prevent possible

contamination v--th other undesirable soil encountered with sand equivalents ofless than 30.

RECOMMENDA TrONS

Based upon the field exploration, laboratory testing, our intèrpretation of data from the explorationand testing programs, and past experience, it is our opinion that the following recommendations

should be incorporated' into preparation, design, and construction of the proposed pipeline,

A. Pioeline Excavations

L Prior to trench excavations, any existing pavements, foundations, vegetation, trash

piles, underground utilities, and other debris should be removed trom along theproposed trench alignment. Numerous utility lines and other improvements (medians,sidewalks, landscape planters, etc,) are present within Avenue K and the adjacentright-or-way, It is possible that underground facilities may be encountered along theproposed pipeline alignment. All such improvements should be identified prior totrenching operations and be relocated as required. All strip pings and debris should be

removed from the construction area in order to preclude their incorporation intotrench excavation backflL.

2, All project excavations should be made in accordance with applicable regulations

(including eAL/OSHA). Project safety is the responsibility of the contractor and theowner. ESSe will not be responsible for project safety,


February9, 2001 10 PL-0553 1-0 1

.3. Due to the depth of the proposed water lines, the non-cohesive nature of the soils

encountered, and nature of some of the soils encountered, sloping trench walls orside retention of trench excavations will be required in most, if not all, areas ofthe project.

4. Open excavations are not expected to stand even for a short period of time, ,.llvertical excavations should be shored or provided with shielding, It 'vvill probably notbe possible to vertically excavate the trench to full depth without potential caving of

. sidewalls, therefore it is our opinion that shoring or shielding will have to be installedand extended downward as the trench is excavated if vertical side walls are required.Where there is suffcient room, excavated sidewalls should be sloped back from thebase of the excavation in accordance 'vvith CAl/OSHA guidelines, As excavations dryout, some sloughing will occur.

5. The lateral loads to be resisted by shoring or shielding may be calculated by using thedata and method described on Plates C-I through C-IV of Appendix C. These designplates are provided for each Phase of the proposed pipeline installation.

6. Once trench excavations have been made to the planned depth below the pipe invert,

the project engineer or governing agency should review the exposed surface to verifystability, If the trench bottom is unsatisfactory, stabilization should be effected, Nopipe and/or backfll should be placed unless the trench has a firm, unyielding bottom.

7, Care should be taken by the contractor not to "over dig" the trench bottom, If thetrench is excavated below the pipe invert for any reason, it should be refilled to theappropriate elevation with compacted bedding materiaL.

8, During the time excavations are open, no heavy grading equipment or other surcharge

loads (i,e. excavation spoils) should be allowed wit run a horizontal distance from thetop of any slope equal to the depth of the excavation (both distances measured fromthe top of the excavation slope). Surcharge loads closer than this distance should be

considered in the shoring or sruelding design,

9, Measures should be taken to protect any structural foundations, pavements, or utilitiesadjacent to any excavations, If there are sensitive structures adjacent to or nearby theproposed trench excavations, the property owners, client, water district, andcontractor should address these individually, Monitoring of such structures prior toand during construction is recommended,

B. Pipeline Subgrade Preparation and Trench Backfll

1. Soils at the base of the trench excavations (at pipe subgrade), to a depth of at least 12

inches, should be moisture conditioned to near optimum moisture content and beuniformly compacted to at least 90% of maximum dry density per ASTM D 1557 testprocedures, prior to placement of pipe bedding materiaL.


February 9, 2001 11 PL-05531-01

2, If unstable or spongy soils are such that removing them to firm soils is not possible orreasonable, the following trench bottom stabilization procedures are recommended:

a, Place 12 inches of crushed rock on the excavation bottom and compact it.

Gradation of the rock should be such that no more than five percent by weight

passes the #200 sieve,

b. Place a layer of geotextile fabric (NIIrafi 600X™ or equivalent) on top of the

rock layer and extend it up\vard along the trench a minimum of 12 inches.

c. Place a minimum six-inch layer of bedding material over the geotextile fabric.Afer the pipe is laid, the bedding material should extend to at least the springline of the pipe.

3. Pipe bedding material should be placed and compacted in accordance with the

manufacturers or governing agency's requirements. Except where otherwise specifiedby the pipe manufacturer or governing agency, the pipe bedding material should beclean sand, gravel, crushed aggregate, or native free-draining granular material having

a sand equivalent of not less than 30, Based upon the sand equivalent tests performedfor this report, select native soils may be useable as pipe bedding materiaL.

4. Excavated soils encountered along the proposed alignment are' usable as trench

backfll, when cleaned of any trash, deleterious materials, and gravels larger than sixinches,

5, Any import soils used as trench backfll should be equal to, or better than" the projectsoils in strength, expansion, compressibility, and soil chemistry characteristics, Ingeneral, import material should be free of organic matter and deleterious substances,

have 100% passing a two-inch sieve, 60% to 100% passing a #4 sieve, no more than20% passing a #200 sieve, an Expansion Index less than 20, and a Sand Equivalent ofnot less than 20. Import soils can be evaluated prior to their use, but will not be

prequalified by the geotechncalconsultant. Approval of import soils will be given onlyafter the material is on the project, either in-place, or stockpiled in adequate quantityto complete the project.

6. Suitable fill soils should be moisture conditioned to near optimum moisture content

and be uniformly compacted to at least 90% of maximum dry density as determned byASTM D 1557 test procedures using mechanical compaction equipment. To aid in thecompaction operation, fill should be placed in maximum six-inch compacted lifts,

7, Shrinkage because of excavation and compaction of the upper proiect soils is expectedto be 10 to 15 percent of any excavated or scarified proiect soils, This estimate isbased upon compactive effort needed to produce an average degree of compaction ofapproximately 92 percent and may vary depending on contractor methods, Lossesfrom project clearing and pavement removal operations may affect quantitycalculations and should also be taken into account. The pipeline contractor shouldverífy shrinkage and earth\Vörk yardage estimates,


February 9, 2001 12 PL-05531-0 1

8, Caution should be exercised in backflling operations so that the newly installed pipe

and any existing (adjoining) utilities are not damaged: heavy impact equipment shouldbe discouraged.

9, Pavement should be neatly saw-cut behind ay broken edges and remov'ed. The

replacement of any street structural section, as we!! as sub grade preparation, should be

in accordance with the requirements of the governing agency, Included in Appendix Dare City of Lancaster street repair guidelines (Plans EP-1 through EP-6),

10. Final project grades should be designed and constructed so that all water is diverted

away from all structures and not allowed to pond on or near pavement.

11. It is recommended that Earth Systems Southern California (ESSe) be retained to

provide engineering services during the grading, excavation, and backfll phases of

development. This continuity of services will allow for the geotechnical review of thedesign concepts and specifications relative to the recommendations of this report andwill more readily allow for design changes in the event that subsurface conditions

differ from those currently anticipated.

C. Foundations and Lateral Earth Pressures

1, It is recommended that any structure constructed on this project be designed to at leastthe minimum standards for Seismic Zone 4 as designated by the 1997 edition of theUniform Building Code, The following Table is a summary of the estimated seismicparameters typically required for structural design per the 1997 UBC.

T ABLE ISummarY of Seismic Parameters

SeisITc ZoneSeisITc Source Type (1997 UBC Table 16-U)

*San Andreas Fault

Subgrade Classification (1997 UBC Table 16-J)SeisITc Zone Factor "Z" (Table 16-1)

SeisITc Coeffcient - Ci (1997 UBC Table 16-Q)SeisITc Coeffcient - Cy (1997UBC Table 16-R)Near Source Factor - Ni (19971.JBC Table 16-S)

Near Source Factor - Ny (1997 UBC Table 16-T)

4

A*

SD

0.40.44NiO,64Nv1.21.6

2, Pipeline connections should be designed to allow for anticipated seisITc shaking.

3, Excavations for thrust blocks or foundation construction should be cleaned of all loose

or unsuitable soils and debris prior to placement of concrete,


February 9,2001 13 PL-05531-01

4. An allowable "net" bearing capacity of 2,000 p.s. f. can be utilized for dead andsustained live loads of anticipated foundations or thrust blocks, This value includes aminimum safety factor of three, and may be increased by 1/3 for total loads, includingseismic forces. Actual depth, width, and reinforcement requirements for thrust

foundations will be dependent on applicable sections Df the governing building code

and requirements of the structural engineer.

5. The coeffcient of friction between concrete pipe and soil or the vertical sides of thrustblocks was estimated to be 0.30 for undisturbed soils or project soils recompacted toapproximately 90% of maximum dry density as determined by ASTM D 1557 testmethods, and may be used with dead loads. This value includes a reduction factor of1/3, This value may be increased by 1/3 for total loads, including seismic forces.

6. Additional resistance to lateral loading may be provided by passive earth pressure

acting against the sides of foundations or thrst blocks. This pressure was estimatedto be 300 Z PSF, where Z = Depth (in feet) below the finished ground elevation. Inpassive pressure calculations, the upper one-foot of soil should be subtracted from thedepth, Z, unless confned by pavement or slab, The resisting pressure provided is anultimate value, . An appropriate factor of safety should be used for design calculations(minimum of 1.5 recommended). The value used for design may be increased by 1/3for total loads, including seismic forces. Passive and frictional resistance can becombined without reduction,

D. Soil Chemical Testing

1. It is recommended that a Type II Portland Cement be used in the concrete for the

proposed thrst blocks foundations, pipe encasement, and drainage structures of

this project.

2. Soil chemistry tests consisted of sulfate, pH and Soil Resistivity, as well as several

other chemical content tests. M, 1. Schiff & Associates of Upland, CalifoITa

performed soil chemistry tests on samples of the project soils provided by ESSe.The results of these soil chemistry tests, along with a Soil Corrosivity Study areincluded in Appendix D,

3. Tests should be conducted during grading operations to verify the soil chemistry of

the soils used, especially if the soils are thoroughly mixed and additional fill isadded during project construction operations,

CLIENT OPTIONAL SERVICES

This report was based on the assumption that an adequate program of client consultation,construction monitoring, and testing will be performed during the final design and construction phasesto check conformance with the recommendations of this report, lYlaintaining ESSC as the


February 9,2001 14 PL-0553 1-01

geotechncal engineering consultant from begillng to end of this project will help provide continuityof services, The recommended services include, but are not necessarily limited to, the following:

a. Consultation as required during the final design stages of the project.

b. Review of grading and/or project improvement plans,

c. Observation and testing during project preparation, grading, and placement of

engineered fill or backfll,

d, Consultation as required during construction,

LINIITA TIONS AND UNIFORlHITY OF CONDITIONS

The conclusions and recommendations submitted in this report relative to the proposed developmentare based, in part, upon the data obtained from eight exploratory soil borings, observations during thefield exploration operations, and past experience, The nature and extent of variations betweensubsurface soil conditions may not become evident until construction, If variations then appearevident, it will be necessary to re-evaluate the recommendations of this report,

In the event of any change in the assumed nature or design of the proposed project as planned, theconclusions and recommendations contained in this report shall not be considered valid unless thechanges are revi~wed and the conclusions of this report modifed or verified in writing, This report isissued with the understanding that it is the responsibility of Brockmeier Consulting Engineers, Inc. or of

their representatives, to insure that the information and recommendations contained in this report arecalled to the attention of the architects and engineers for the project and incorporated into the plan. Itis also the responsibility of Brockmeier Consulting Engineers, inc, or of their representatives, to insure

that the necessary steps are taken to see that the contractor and subcontractors carry out such

recommendations in the field, .

As the geotechnical enginéers for this project ESSC strives to provide our services in accordance withgenerally accepted geotechncal engineering practices in this community at this time, No warranty orguarantee is expressed or implied, This report was prepared for the exclusive use of Brockmeier

Consulting Engineers, inc, and their authorized agents,

It is recommended that ESSC be provided the opportunity for a general review of final design andspecifications in order that earthwork and foundation recommendations may be properly interpretedand implemented in the design specifications, If ESSC is not accorded the privilege of making thisrecommended review, we can assume no responsibility for misinterpretation of our recommendations.

The scope of our current services for this report did not include any environmental assessment or

investigation for the presence or absence of wetlands, or hazardous or toxic materials in the soil,surface water, groundwater or air, on or below or around the project.


February 9,2001 15 PL-05531-0 1

The statements contained in this report are valid as of the present date, However, changes in theconditions of a property can occur with the passage of time, whether they are due to naturalprocesses or to the works of man, on this or adjacent properties. In addition, changes in applicable orappropriate standards occur, whether they result from legislation or the broadening of knowledge.

Accordingly, the conclusions of this report may be invalidated, wholly or partially, by changes outsideof our control, and should therefore be reviewed after one year.

CLOSURE

Earth Systems Southern California trusts this report is suffcient at this time and meets your currentneeds and appreciates this opportunity to provide professional geotechnical engineering services forthis project. If you have any questions regarding the information contained in this report, or if yourequire additional geotechnical engineering services, please contact us,

Respectfully submitted,

~ ~lEarth Systems

Southern California

Bruce A. HickGeotechnical EngineerR, G. E. #2284


February 9,2001

, .

PL-05531-01

APPENDIX A

Site Plan

Boring Logs


.....---_.,_. ---~- ~ -- ---ii', r ~ I~..~.-- -r-I.--.----...-...-..-,--..'1_ ' ,

'i#~~i ;irt:?~;:l:~~it,.it:~~,; ~...Bi~ jTf:""rr~I,n+fFEiI - ~ " 'or '_tt-." j:j'\.~¡l,j--l:l7:--T.-iT -f,"t~1~: ",' ;'-..' - -L. PHA$$I''-+:~-~--í-.L:L; ¡ : - -' j ! ' ;._-;-'

:-~l;",:,~J: :-;-:' ;1'~ ~I~ ~:~: ::~~~îí~;~~:~_.~:~~~(~~'-ww': '". ~:- ~A~-C - Lt~' .~~:-L-:, ~ .. --'-',~~.~t:.:~~.;,.,.d~.~.~;:.,..; ~!~ ~ g Ë ~3 n ~~ :l) ~~§~ ~C~:.-,.. i~..:. II u U~lt (, :Ij~t;l-~~~~ ~ib~ ~:.J1-'1'-::..:8.! p...,.. ID/i ..;Id ~J fÇ'(1I Sf ;. w W) . i;!õ. ~1I ~: ~ KIQJEl DR~..:.;.LE1..i: '4N£LO£ í;"-- on'm, I~~,..~ILSI-'~...'Ü" t;i;U . '" ~:: t; ~IIII .1. A~. ¡!i C~ ~~~~ UlIS Of ¡i,J.T...tl,,: rALLE.--:'.~-i-o--"o~ ~~~" ~sr ~1SAVE J-" ;~ l! ~r.~;. iæ.' ,:Q~I .."~ ~ç. I:j~~=.;~' .JlIn! i~ ¡., : ~~~~I ~ E""..1 ~ ~~tJ""l,. I,. AVE J-13 ~ .~iLAI~ ~ ~~"t; !:Av!.kH." ~ 13.. ~ l'!' ,..,.' lIlEGE:.:- If ! ¡,.!ò vv~ ;iuHE S'. ',TD I k ~ w 1; '" h,SDiAV¡il- -m w¡¡ ~; ~l. ~ ;¡"-'-...._. C8-:;,.-.,,~rr::,~:: ~"i:-' ~ ~ f ;;': I t;2P"i-bf ¡;¡ ~!2I~s..,,I~i.L SOLDß i, .' ¡. . Lof'" '''i~- . '" ~AV- ,!!i;lñt" .. ; t¡.~ ::.. ¡:: N ""''' "" AVE,"'",''''~~h.''''. ' :_ °F~'I/ H£ AVE 14 t;~'''--''ri''¡; .,.-, , ' , :' _ ~I! K. ,,'" ~1.~"ICLST' " -.. ;I~ 11: ~V.~..!, ..~~-,.~ "". :I- ':? ~'l .¡ """3n :2' .l~:' ~~I~I;~ ll~ ~.:, " i w ~~8'~~!y., M~.!i-~ lEIf,';~ 28 w~IJr~ll~ wi lñ'! , ''"~e4.E~ _ ¡= ,. e,,~DR~~Wi'", t,..!1 UI ~_l_:;I ~ ",-u "'L~I

~:. ,. J g ~;,!!~ ,j~~ CT _'" ____ A~E:- ._!.-1___~ f- AVE H ¥ Ao ¿'i i'.,':' I; I ~c:AVE ~ :3ëëi K--11in11 11 ..~_ -- õT -.; , 9 ') Jr- 35 OOISTIHAST/Sln. "",""'.u. --- 1!~ !I ff 1 1;1 1;1 I J IJ , ~iuo I; I! ¡w ¡-;~.~~i--I I~~ :: ~ ~I ~ i ~ ~ ~i '~'- ï= ~;" 'f~EI;~t

'~:.~._ I~§~'.iirtäi:~-I~~~~¡&l§¡-~ ~--D- N HN: g-:J~.;il~-E

',~~-;'*~~îtj:,~~~~~f~~~~~~!~,~~~~~: -~E~~~ASl ER _"C___ _:'~iì

... d J.~~w .. GDi.~S! ii ~VI_+_ w K-i2~~;"''' "i~:-- ~ I~" i:: wi. -:3: ..--- G"' """l ¡¡ ¡!I ~ ItJ"1 t;" '-/3 = "';( AV' 5 \\\ SOCERFIEUi COHPLE,:~'''~''4cf' f ~ WES ~l¡;1 :-1- rrl; ~ gl ~ AVE:; K-I.. ~ ~.' Nui .' ~-'i- ,,":¡J~, ,,4,- - ~diR n -.~ . _t":., AV~ k1 '" - i, ~: ~! .:,;, 1:!EUL p' p~~~.. 'i '1 -I ,...!~ Ii ~ - AVE . L .' J""'LH AVE ~ ~~ I) L .. \"~r\ ' N ~ N ¡ ~~ ,..'

~i';UI': : ~li: L ~!~ ~~h:1 =- 2000

~ -~ ~n;+Li ~I! ~,. ¡' !i~ I ~I'" '" t;t: AVE l-.~ ~I _~~_ t;"" I~ ¡; _Ii; ¡;: ¡¡ c

- "'I M ~- ~-T 32

:)rJI... ~OúI

;9, 'J ¡: 'I). of i'-) "-' ~ I,___h-Y.__ -----. ._-:: ~--

O ¡!I'" I ,.r ~I~ I ~__ __ 11,~~.J :. 'I ,+~.r '''m--lI4-- ----¡-.~~--;-:--': -I .. M ,_.;..:. ."

. - .~~ -- -

--.,......-

.,

. '" ...

I I~ i ;¡i ~:

._ AVE _ '" _ 1. L.-:. _~J

AV~ L~ ,.

I-I1

l-I1 w

.:E =-i~ tt

..~ ll1._,

-+¡;i~I-

iI

w

----

31HI

cZNM31-

lñ-- ._--

AVE

n /' i ~i,fil )Ä. i r,-, ..,.. .._Lq /1; /:5.0 ¡ i~~ ,-' ii .J 'i 11II ; I

ï=oM

----

..1'/

-AVE

'Gìõ

-..

'ER'OS s IJ

r~t~t~~1__Oi'~_JAVE tH

, HILL

j;":;" is~'

m__ AJj;; l-14 ~1J "N -,_. ,- ..

200 i= G r.E~~

'" ~: \2 I:i FOFCE: P4W 2looE i AitrT,. 'i"; \

-ç-_.I;_.____--- ~_\ : ~¡ ,\AVE ~d ,I I ,:..,; u ..,. -- .. 'I: ¡ Ii ..

N ~ - ~i- '-~

ï=2

...._.

AVE

----'--.1..

5

.__ AV~ I

0= -:¡ --'15 ,.--- ttM:i:

,..,I;

-:---

j r-~----------i-! ~_._ i6 J: ~.. i"1 --0', i;'1(: '.. ii :

lJr ; ~Jf=:1. ~¿

-...-_.. _u. ~_ ._,.. . .__. ..-. .'..-

'. '.

-_._-.

~----~-- ._----- ... _.

r_~yl____ __~JQ___._

__A'!____h. ~ .!iI~

~

1

H-¡2 _ ....- - - -~-- .. I. - .- _. - AJE__ -- i:::,.. "'"1,'

- .

.,J._ ~ ___ _.~. ...~. - - --. ..

l'N .. - . .'" ' ,_ "j r' _.., _. _"": _', _. _... __ _~nue K lr~l1sri~~i,~r _ M~i~ : . '__.

. " : --- - . -; --. , -r ", _ _.. --_"~ --ha~es .rnlrl'9. .ir :.____ _ -

- . . - -_.- . -- ,---' . -;. , Avénl,~ K, 30tii~t&;ét:Eâstjo~ 30ttSLreet- West :---..- ~t~ÃÒxIME ,:-:- .~-~-.,~~-~-;.!uJ,0ts:ncå1t~'i¡.têàlifbr~ik;r f ,!_ l !:oL'

t .J L i i 1 ì -- . J i' ¡ J' \. 1 t1 i J.:" . 1_ _ seA E-1"=2400' '_h " ... . -" - c.. - '- -..._,__~,.~,__,__, ,_ _:..~ Earth' Systems'

, ---.

.1':';~; Southern Callfornla,::,~' _. _," '. 2-9::1"--1 . ".d, . Pt:IJ~S~"-01

SITE PLAN-- '.._..~ ---

" _. _..-"- -- _. ,. _._- ._~ .

...-....: - ... ..~--.. -~ ....-_.. . "'-'-r'~ _'._ .-.- _. -"..--

. ..... --"

-. .

.,

". . . -

TERMS DESCRIBING CONSISTENCY OR CONDITION

COARSE GRAINED SOILS(Major Porton Retained on Number 200 Sieve)

Includes clean gravels and sands described as fie, medium or coarse, depending on distribution ofgrain sizes, and silty or clayey gravels and sands, condition is rated accordig to laboratory testsor estimated from resistance to sampler penetration.

Penetration Resistance*California Split Spoon (CSS)

BlowsiFt

Penetration Resistance*Standard Pentrometer

(SPT)Blows/Ft

0-55-1515-4040-70::70

Very LooseLoose

Medium DenseDense

Very Dense

0-45-1011-3031-50::50

Fine Grained Soils

(Major Portion Passing the Number 200 Sieve)

Includes inorganic and organic silts and clays, gravèlly, sandy or silt clays, and clayey silts.Consistency is rated according to laboratory tests or estimated from resistance to sampler penetration.

"\..

Penetration Resistance*

Calforna Split Spoon

(CSS)Blows/t

Penetration Resistace*Standard Pentrometer

(SPP)Blows/Ft

0-22-56-1011-1819-36::36

Very SoftSoft

Medium StifSti

Very StiHard

0-22-45-8

9-1516-30::30

Apparent Density/Consistency of Soil

* Penetration resistance based on a 140 poundhammer faling approxiately 30 inches.

Avenue K Transmission LineLacaster, Calif~rna

o Earth Systems,~ Southern California

2/09/01 I PL-05531-01

MAJOR DIVlSIONS GRAPH LETTER TYPICAL DESCRIPTIONSSYMBOL SYMBOL

CLEAN

~rIl.i~0'GW

\lLL-GRADED GRAVELS, GRAVEL-

GRAVEL AND GRAVELSSAND MIXTURES, LITTE OR NO FINES

GRAVELLY (LITTLE OR NOSOILS FINES) ~:~~H~ POQRLY-GRADED GRAVELS, GRAVEL-

COARSE m~liIT¡:GP SAND MIXTURES, LITTLE QR NO FINES

GRAINEDSOILS GRAVELS WTH SILTY GRAVELS, GRAVEL-SAND-SILTGM

MORE THAN 50% FINESMIXTURES

OF COARSE (APPRECIABLEFRACTION AMOUNT OF FINES)RETAINED ON GC CLAYEY GRAVELS, GRAVEL-SAND-

NO.4 SIEVE CLAY MIXTURES

~~~!¡;.~~i.~~i¡;~

SW \lLL,GRADED SANDS. GRAVELLY

SAND ANDCLEAN SAND SANDS, LITTE OR NO FINES

SANDY SOILS(LITTE OR NO

FINES) ........................-_. POORLY-GRADED SANDS, GRAVELLY.........SP. ..............-.....-......

SANDS, LITE OR NO FINES.............._-..............................MORE THAN 50%

........-OF MATERIAL IS SANDS WTH SM~ THAN MORE THAN 50%

SILTY SANDS, SAND-SILT MIXTURES

NO, 200 SIEVE OF COARSEFINES

SIZE FRACTION (APPRECIABLE

PASSING NO.4AMOUNTOF FINES)

SIEVE SC CLAYEY SANDS, SAND-CLAY MIXTURES

INORGANIC SILTS AND VERY FINESANDS, ROCK FLOUR, SILTY OR CLAYEYFINE SANDS OR CLAYEY SILTS \MTH

TP ITY

SILTS INORGANIC CLAYS OF LOW TO MEDIUMAND LIQUID LIMIT LESS PLASTICITY, GRAVELLY CLAYS, SANDY

FINECLAYS THAN 50 CLAYS, SILTY CLAYS, LEAN CLAYS

GRAINEDSOILS OL ORGANIC SILTS AND ORGANIC SILTY

CLAYS OF LOW PLASTICITY

MHINORGANIC SILTS, MICACEOUS ORDIATOMACEOUS FINE SAND OR SILTYSOILS

SILTS

MORE THAN 50% AND LIQUID LIMIT CHINORGANIC CLAYS OF HIGH PLASTICITY,

OF MATERIAL IS CLAYS GREATER THAN 50 FAT CLAYS

~ THN "/1./, "NO, 200 SIEVE

/. /z Zz ' /.ORGANIC CLAYS OF MEDIUM TO HIGH

SIZEii", ,,'z OH~/";'~~~ PLASTICITY, ORGAINC SILTS

" " ,. ,. /. /.'""';1/

HIGHLY ORGANIC SOILS PT PEAT, HUMUS, SWAMP SOILS \MTH HIGHORGANIC CONTENT

NOTE: DUAL SYMBOLS ARE USED TO INDICATE BORDERLINE SOiL CLASSIFICATIONS

UNIFIED SOIL CLASSIFICATION SYSTEM

Avenue K Transmission Line

Lancaster, California

g Earth Systems~ . Southern California

2/09/01 ' PL-05531-01

SYMBOLS COMMONLY USED ON BORING LOGS

.5J

()

OJ

Modified California Spli Barel Sampler

Modied Californa Split Barel Sampler - No Recovery

Standard Penetration Test (SFT) Sampler

Stadar Penetration Test (SP' Sampler - No Recovery

sz Perched Water Level-

T Water Level First Encountered

T Water Level Afr Drllg-

o Pocket Penetrometer (tsD

ff Vane Shear (ksD

i. The location of borigs were approxiately determed by pacing and/or siting fromvisible features. Elevations of borigs are approximately determed by interpolatingbetween plan contours. The location and elevation of

the borigs should be considered

accurate only to the degree implied by the method used.

2. The stratifcation lies represent the approximate boundar between soil types and the

tranition may be gradual.

3. Water level readings have been made in the drll holes at times and under conditions

stated on the borig logs. Ths data has been reviewed and interpretations made in thetext of this report. However, it must be noted that fluctations in the level of

the

groundwater may occu due to varations in rainfal, tides, temperature, and otherfactors at the tie measurements were made.

BORING LOG SYMBOLS

Avenue K Transmission LineLancaster, Californa

o Earth Systems',~ Southern California

2/9/01 I PL-05531-01

:11\ Earth Systems\,,__,,) Sothem California 1024 W. Ave., M-4, Pamde, Co. 9355 i

(661) 948- 75381( 661) 94793

Dri I i i ng Date: Januar 4, 200 I

Drilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

Bonng No: 1

Project Name: Avenue K Transmission Line

Project Nwnber: PL-0553 1-0 I

Boring Lotion: Per Plan

.. Sample Penetration IË Typ "" Resistance 0 en

~ ~ (Blows/6") I i ~ö ~~~ len

fr-

5

l'0

15

9,12

1'1=";'!:I' SMij~--rJ"J:r.:""j~"G¡l~~j;t~~j?~j:'1JJ~,¡jj,r:~.I'J~~..8:ß1:¡J;PM¡Ïj'J::~~::J'i'~'¡'¡~~~1~1::'~tG:¡1:1

~1:j~K

¡~~Ji~~HJ::11:,.,~ J:

Ijt'M: SM:¡,11~j1:,i"i'!JJ:J:

il~j'j¥,rg' 'jJ~t:rL' 'i1j~ 11::

~~if£f:1iltõl11'~'"~j::rhj:;r;.¡~j7::..",1:11:r;:11j'I'I'l.

I" ,i¡nI' = ,

I ~ ~ ~

I" ,i ~ ~ ~

i=='

IH!I:: :

8,9

6,9

9,13

. i 106,8 12.4

SP

o~.. '-:: ~t; c:._ uo ~

~ § Iu i

I Dark Yellow Brown Silty Fine to Mediwn Sand, Dr, Medium Dense.

I

è.¡¡c: --utjQ c.'-;;o

110,6 1.9

112.0 1.2

DESCRIPTION OF UNITSPage 1 of i

Dark Yellow Brown Silty Fine to Coarse Sand, Dry, Mediwn Dense.

Pale Yellow Brown Slightly Silty Fine to Coare Sand with Gravel to 1", Dry,Mediwn Dense.

Total Depth = i l'

No Bedrock encountered during drlling.

No fÌee groundwater encountered during drlling.

Note: The stratification lines shown represent the approximate boundaresbetween soil and/or rock ty and the tritions may be gradtionaL.

'G\ Earth Systems\.__..,) Sothern California

r Boring No: 2

I, Project Name: Avenue K Transmission LineProject Number: PL-05531-01

I Boring Lotion: Per Plan

I~ Iis;i,~ ;;~12\ ~i ~ ~ ~ ~I ~ \ ~~ iI Ir

r

r

i

~ 5

I

L

~i

I to

Ii

~~~: SM

r:1'\WI'~.

~~t,..J:'~~~1:~¡¡¡,~=.B~~.tJ.. ~..l.l'"1-;1~~"~.gJ1;"f.:

i~;:¡;.m~1j~i"~'¡.:-

iJJ"-~j"~r~.;~~

~1ifl¡:fiJ~~:'~~~~.'

22,12

I¡ ¡ Ii ~ ~ i

I i ¡ I

" i

5,7

1==" -

11,14- -- -

- -

i"i "- "- -

7,10 _.

I"i¡¡

15

i.~ i ~~iI ~~i ~ ë ii 0 o.! 'õ 2 iI, è '-\ ~ § io Ui I

110.9 1.2

SP

SP

1024 W. Ave., M-4, Palmde, Co. 93551

(661) 948-75381(661) 948-793

Driling Date: Januar 4, 200 IDrilling Method: Hollow StemDril Typ: CME 55

Logged By: Rob Ferguson

DESCRIPTION OF UNITSPage I of I :

Moderate Yellow Brown Very Silty Fine to Medium Sand, Dry, Medium Dense.

j .Pale Yellow Brown Slightly Silty Fine to Coarse Sand with Gravel to 1", Dry,Lose.

Pale Yellow Brown Slightly Silty Fine to Coarse Sand with Gravel to I", Dry,Medium Dense.

Total Depth = I l'

i No Bedrock encountered during drillng.

No tree groundwater encountered during driling.

Note: The stratificaion lines shown represent the approximate boundaresbetween soil and/or rock tys and the transitions may be grionaL.

'.' Earth Systems:'.. __.-,': Sothern California

Boring No: 3Project Name: Avenue K Transmission Line

Project Number: PL-0553 I -0 I


Sample PenetrationTyp.. Resistance i õ en

~ (Blows/6") t ~t8 i en ~tI ::

,

o:;

i

ii

~¡

i 5Ii

i

ri

~

L

~f- io

I

~

\

L

i

i

15

16,33

19,22

9,15

8,9

Ij"J~ :C.rn. ;':

f~'J'¡J::

H¡i~1f8."î::!!;j~:~

I~ll; SMt1m~J'~A:(~i7

~¡'1~f",I~oj~.j.~

Lì;:it SM

'1~!11'~:'.

J . ~ ..1, "

I~. .j""i.. r::.~.. !--,,¡'.~i:,

H~ j*1

1024 W. Ave., M-4, Pamde, Co. 93551

(661) 948-75381(661) 948-793

Drilling Date: Januar 4,2001Driling Method: Hollow Stem

Drill Type: CME 55Logged By: Rob Ferguson

ro I.~ 0'# I8 R .~ ¡ I DESCRIPTION OF UNITSè'-~§I.o i U i

i Pale Yellow Brown Fine Sandy Silt, Moist, Hard.ML

100.3 10.7

! Page I of I .

\ Moderate Yellow Brown Very Silty Fine to Medium Sand, Moist, Dense.114.6 4.3 i

i

Ii

Moderate Yellow Brown Silty Fine to Coarse Sand, Slightly Moist, MediumDense.

SM

114.2 4.9

106.4 4.7

Dark Yellow Brown Silty Fine to Medium Sand, Moist, Medium Dense.

Total Depth =1 l

No Bedrock encountered during driling,

No tree groundwater encountered during drillng.

Note: The stratification lines shown represent the approximate boundaresbetween soil and/or rock tyes and the transitions may be grdationaL.

!G' Earth Systems'. _ _.' / Southern California

Boring No: 4Project Name: Avenue K Trasmission Lineproject Number: PL-05531-0 1

Boring Loation: Per Plan

Sample PenetrationType Resistance..

-- I ~ (Blows/6")i5 I '-Q :; t 8_ i c: CI ::v II

i

~ci"-

111'13

- 5

i .1i

\

i

\ \

r to i iir

I

L

16,27

15,1?

13,17

- 15

;.,....,,"......;I j~~~~~~:.~.,.".....1

1~~3~~~1"1'01(,;.:1

1~~l3~~~~dj~;:;3K~';':I~j'J:i-~~~'~:'1i".'~"""l

ijj1~:¡jj~1,3,.,."...j

ij~~¡j!~i,,:"::r~

~~~~~5~;hT"""'~1~~~5.;3.;:1i~::.~~.~~~::Ij~.i:.:::::i

ijjjj;Jj~11.1J';~;:':~

,:1J~::;;3

iî'!'¡:i:~~

1'.......'..'1

i¡!li~i~

Illili'III!

Ilil

i ¡,II!'i¡Illiiiili

~~~~~

I~j:j::.';~

~~~~;~~

~~~~~~

~jj~jj~i~~~::;:~

Õ

.D

~en

enU:.~

i __

è 10'#.- i-_~-i a-ot)~V'co 0.1 'õ 2è'-'~ §o ! u

SM I

Ii

117.2 0.7

SM

..... 1.2

ML i

I

112.0 4.5

SM

104.6 1.

1024 W. Ave., M-4. Palmdae, Ca. 9355 i

(661) 948-7538/(661) 948-793

Drilling Date: Januar 4,2001; Drilling Method Hollow Stem

I Dril Type: CME 55

I Logged By: Rob Ferguson

DESCRIPTION OF UNITS

I Page i of i

Dark Yellow Brown Silty Fine to Coarse Sand, Dry, Medium Dense,

Dark Yellow Brown Silty Fine to Coarse Sand, Dry, Dense.

ìiI Moderate Yellow Brown Fine to Medium Sandy Silt, Moist, Very Stiff.

Moderate Yellow Brown Silty Fine to Coarse Sand, Dry, Medium Dense.

Total Depth = I l'

No Bedrock encountered during driling.

No tree groundwater encountered during driling,

Note: The stratification lines shown represent the approximate boundariesbetween soil and/or rock tyes and the transitions may be gradationaL.

'0\ Earth Systems~""__?": Sothern California

! Boring No: 5Project Name: Avenue K Transmission Line

Project Number: PL-0553 1-01


Saple PenetrationTyp Resistance

~

~

i

~ j

r~

i

I to

r

l

o:;.tÕ.Uo

15

..~

:; t 8cc ti :: i

110'13

(Blows/6")

11,13

8,10

8,1l

~~t~2 SM;~~~~~~~§

~§:~

l-l-¡iI¡....i....C';!':~:

~il1~r.¡....,.,~-;d.~

H~~i?lr."....::r.:~::--;j~;:::~1.::oQ..;otc~~;;~.\..I.l'J~,

~j~~~,-.!:.:..

Il~~i"~~.I~'"''''

p.~~,~:~¿-:::

~4~~!.::=~~;11"~"I~.:~":G~oI1..'~:~~.....

mj~,..'I......

~~~!~..p.:~¿r

!i_ io ;.D '

~en

enUen~

,.'Q d) '$'ëë i. '-c: -- ::..

8l\.'~ tè ~ 0o u

10&,1 4.4

Ii

i

i,

SM I

I

i

i \06.3 4.6

IIi

I

SM

110.0 2.1

\

l\ ..... 5.9

I

1024 W. Ave., M-4, Pamde, Co. 93551

(661) 9475381(66 I) 948-793

Driling Date: Januar 4,2001Drilling Method: Hollow SternDrill Typ: CME 55Logged By: Rob Ferguson


i Page I of I ,

Moderate Yellow Brown Silty Fine Sand, Moist, Medium Dense.

Moderate Yellow Brown Silty Fine to Medium Sand, Moist, Medium Dense.

Dark Yellow Brown Very Silty Fine Sand, Dr, Medium Dense.

Pale Yellow Brown Very Silty Fine Sand, Moist, Medium Dense,

Total Depth = 11'

No Bedrock encountered durng driling.


Note: The stratification lines shown represent the approximate boundaresbetween soil and/or rock tys and the traitions may be gradationaL.

'8: Earth Systems;,.....~..: Southern California

r- Boring No: 6




r 0 ¡Sample i Penetration I! S I Type ~ I Resistance I 2 I en

I t i -' "" ~ i (Blows/6") I ~! ~i 0 i ~ Q. ~ I ii I c: CI i I

1024 W. Ave., M-I;PalmdaJe Co. 93551

(66\) 948-75381( 661) 948-793

Drilling Date: January 4, 200 IDrilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

,

r--

. ~1,''ML!i'i Dark Yellow Brown Fine Sandy Silt, Slightly Moist, Very Stiff.

~ Ii'"iI..'i'iii, ¡iii

I11:1

i

" \1:,Illiií

r I 8,12 11\ ":197.4 2.8

i 111;1

i,.,

. IIII

~

1IIiliilI Illili i ¡iil'-

'~I

SMI

Dark Yellow Brown Slightly Silty Fine to Medium Sand, Dry, Medium Dense,

L 5

j:q~~3~~

!

13J¡~::';' Il1~:';:;';:

i 115.1I 9,14..,.,.1......

I

~ ~.¡ ~.i", 1.4Jl1Iii'jj:)~:

i...rl.......¡j'Ì:::';: I

I i "',1.,."... i

iii:;j;;i~i

i ii

I SM! 1 1...,.1,.1,..~ j Moderate Yellow Brown Silty Fine to Coarse Sand, Dry, Loose.

~.I '" ~.. .

~,

r~

:

i i

i

I I 6,8 *.*** 1.6I, .1.,,,......

r ij!tji~~:Ji

I

i 'JJtij;'jI

i"'" '..

~J'~'~".'.1r-

\

",1..':';

ii~~!;~~5;i'

SM

I

Dark Yellow Brown Silty Fine to Coarse Sand, Dry, Medium Dense,I

~'ii 105.1

rr'I;Wi 10i I 8,14 ~j -,'" 1. i

~~~~~~:. i I1: ~.¡ '.. '. i

L

ir~!j~~t I

ii

ii

I I

L

i

I

\

i

Total Depth = I li

r I No Bedrock encountered during drilling.,I!

t- 15I

No tree groundwater encountered during drilling.

I

I

I

INote: The stratification lines shown represent the approximate boundariesbetween soil and/or rock tyes and the transitions may be gradationaL.

Li

I

;. I ';1.~ i ~~i'_--, :: -"-.. I.. _OJ (. 'i'" - 'i'o 0. 'õ 2;;'-:~C:1.. 1 ¿ 0 io I u I

DESCRIPTION OF UNITSPage I of I i

'C\ Earth Systems~,._~/ Sothern California

Boring No: 7Project Name: Avenue K Tramission LineProject Number: PL-0553I-01Boring Lotion: Per Plan

Sample PenetrationTyp ~ i Resistance .8

u I (Blows/6") ~

:g t '8 I enc: ti :: I

,-.;i;..;:ë-o

..~

rrii

í

I

L

I

I 5

L

ir-

i

fi

r

r ioi

f

i

r

I 15 .

7,9

6,8

5,7

9,11

ò I Q) ~.- .. '-~-=i.a-d) U CI i:081'õ 2 iè I~ § ¡o u Ii '

I Dark Yellow Brown Silty Fine Sand, Dry, Medium Dense.I

I

Ii

I

I

I

!

enUen~

SM

SM

i

I103.1 I 17

i

i

I

SM

109.1 i 2.1

i

I

i

105.'\ 16

I

110.412.0

I

1024 W. Ave., M-4, Pamde, Co. 9355\

(661) 9475381(661) 948-793

Drilling Date: Januar 4, 2001

Drillng Method: Hollow Stem



I Page 1 of I .i

Dark Yellow Brown Silty Fine to Medium Sand, Dry, Lose.

Dark Yellow Brown Silty Fine to Coarse Sand with Gravel to 3/4 n, Dry, MediumDense.

Total Depth = I l



Note: The stratification lines shown represent the approximate boundaresbetween soil and/or rock tys and the trasitions may be grdaional.

'C\ Earth Systems:, ',_ .,,. Sothern California

I Boring No: 8Project Name: Avenue K Trasmission LineProject Number: PL-05531-0 I


.- Sample Penetrtionæ Typ Resistance õ en

¡ I:; t ~ (Blows/6") I! ~a ii: ti :: i iI ".,. SM

~'~Bl

"W"

I' ~~jj~:Lij:j;

.1~~¡:'

J~¡1:'

~..:t~~i":r'",

~. j~j¡:i:

t~:'E'¡::"'.1:1: SM~ i1i,-:,

IH1:jji~~:f:',1j.~,., .

'r ~ .1:.311';1:,.1:r" .I:~~E~ .~:

'~H':1Jr-:

~i~j:

;j;l'j'jJ:''1 ",.

3:g.ij~

~ ~,~ SM

.L jP~1

it.¡¥'~1,1.

~ìij:

, '~TI.~.

jj~~~jii

I~~*~¡jJjj~¡.1¡':.13.i1¡'

.~~~.

.1~¡,.J~~~'~"lt ji

,

iI

~ 5i

iiL

rri1

¡

L-!

f- 10!i

!

L

ii

L

I

l-i

I

Li

~ 15

I

~

r

6,9

7,9

7,10.

7,12

,..ò u*-

'~%I' ~~o 0. .- 2'- 0 i:è ~ 0a ' U

i

I105.0 \2.9

i

i

113.0 1.

110.1 1.

106.0 3.0

1024 W. Ave., M-4, Pamde. Co 93551

(661) 9475381(661) 94793

Driling Date: Januar 4,2001Driling Method: Hollow Stem



! Page I of i

Dark Yellow Brown Very Silty Fine Sand, Slightly Moist, Medium Dense.

ii. 'i Dark Yellow Brown Silty Fine to Medium Sand, Dry, Medium Dense.I

i

i Pale Yellow Brown Silty Fine to Coarse Sand with Gravel to 3/4", Dr, Medium

Dense.

Total Depth = I l

No Bedrock encountered during drilling,

No fiee groundwater encountered during drilling.

Note: The stratification lines shown represent the approximate boundaresbetween soil and/or rock tyes and the transitions may be gradionaL.

IC\ Earth Systems",.__.-.J Southern California


Project Number: PL-0553 1-0 I

Boring Location: Per Plan


ã! (Blows/6")

3 Ii 8!CQ tI ~ I

iri

Ir- .

i

I

i

iILiiII,i¡-!

L 5

I

--..~'-.cÕ.,¡Ci

L

IiI

Li

i

L

I,,

!

¡

10¡-i

L

i

~

~

II- I-I )I

I

rr

I,

13'5

15'5

16'7.

15'12

.;~;~gj;j S M

~~îllrj:''''. j.. ..~

:!!l!!!~.....~~..~J

'~;~m¡i":":~':.",'~'...;..._..(:~~~:~:II...'....;..;1

.~.~.:.:. SM~~~~¡;~!

~~il¡j¡:::~~:~~::

~l.l¡1rc-:2d::~~::~';:1

;¡i'l ML

¡I¡iliiiili¡!lli

il¡'1111,111! L ~ i .1111¡', "Iii¡iiii ML

i iii; i !

Õ

.D

~ ien .

enUen=:

--Ò o(/'tt .. '-c: .. ='..4) U 't Co 0. .- ,¡è'-I~§o i U

!

102.0 10.4

105.6 2.5

100.7 7.2

109.5 6,8

1024 W. Ave., M-4, Palmdae. Ca. 93551

.( 66\) 948-75381( 66 i) 948-793

Drilling Date: Januar 4,2001Drilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

DESCRIPTION OF UNITS: Page I of I

Dark Yellow Brown Silty Fine Sand, Moist. Loose.

Dark Yellow Brown Silty Fine to Medium Sand, Slightly Moist. Loose.

Dark Yellow Brown Fine Sandy Silt, Moist, Stiff.

I Dark Yellow Brown Fine Sandy Silt, Moist, Very Stiff

Total Depth = I l,,i

\ No Bedrock encountered during driling.

i

I No tree groundwater encountered during drilling.

\ Note: The stratification lines shown represent the approximate boundariesbetween soil and/or rock tyes and the transitions may be gradationaL.

'0\ Earth Systems!",.__.,.J Sothern California

"

ri:.-~'J SM(;:1:;:;-~~,. 113.2 2.9~;,",:r

1'~~.J ~~~¡;

G:ìf;lJi4J~:

~~~¡~~.~'5~~jj,,,"1:;-:p¡;'3'l.¡~...--(4J:t';i" 105.2 2.5GG*J

~~~,~~.,¡....(l1:¡'

Borig No: 10




Sample PenetrationTyp '- Resistace :g, en

~ i (Blows/6") ¡: I ~8 " i ~ i :J, en I

:: i i \

IILil'l ML Iill,i

I1II !Iiii

II,

II iil

i

Iii:llill'Iiil ML

i

I

'I

,ill

,-..¡¡'-.JÕ.0)o :; t

i a: tii

5,3

5 4,7

5,12.

10 7,9

15

;. i 'Õ I- i 0) ~"Q; ,l i. "-5~l ~ ë io 0.1'- G. i

è'-I~~ Iio ;, ,

104.0 9.7

117.9 10.4

1024 W. Ave., M-4, Pamde, Ca. 9355\

(661) 948-75381( 66\) 9479

Drilling Date: Januar 4,2001Drilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

DESCRIPTION OF UNITS; Page I of i !

Dark Yellow Brown Fine Sandy Silt, Moist, Medium Stiff

i Dark Yellow Brown Fine Sandy Silt, Moist, Stiff.

Dark Yellow Brown Silty Fine to Coarse Sand, Slightly Moist, Medium Dense.

Total Depth = I I'


No tree groiidwater encountered during driling.

Note: The stratificaion lines shown represent the approximate boundaresbetween soil and/or rock tyes and the transitions may be gradationaL.

'e' Earth Systems'.___~': Southern California

Boring No: 11





~ I (Blows/6")

~ ~ ~ I

ì-

i

i

¡

r-

r-

IL

Ii- 5

I

Iii

~

i

L

Ií

I

~ 10

I!

~

1

~

~

i

ILI 15

L

oee'-.!ëíOJQ

17'8

15'6

14'6.

14'5

i!llijrr!¡, SM~.01 ~.. ".1",

¡ilill!'".'.',:11.

:~~1~~~t

'.'T31"

¡¡¡!ì:j11j¡

l~~~~151::

i i i

I

i I

III II

i1jjj~~3~ S Mi.

ii~~~~j:~~'~J~1:

!3J13~31:

¡~'ij~;.~~~~.1:11~'

'1jj,'J:lj¡1'r'l=i~j.:,

i1mia,.~.,.i.1'':'1..

m.¡:'¡~:1~ij3i SM~¿j~~1~~:~jj~i¡¡~~~~.1~'1:

¡m¡~~1:

i ;; I --I.~ ~ ~

tJ i ~ =1 E -IOU U1 t:en 0 c."- OJ

~ i è ~i ~ § !. 0 U iI , ii Dark Yellow Brown Very Silty Fine Sand. Moist, Medium Dense.I '

õ11

i 04.3 4.3

ML

91.0

94.7

I99.0

9.2

6.3

6.9

1024 W. Ave., M-I, Palmdae. Ca. 93551

(661) 948-75381(661) 948-793

Drilling Date: Januar 4, 200 IDrilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson


Page I of i

Dark Yellow Brown Fine Sandy Silt, Moist. Stiff.

I Moderate Yellow Brown Very Silty Fine Sand, Moist, Loose.

Moderate Yellow Brown Very Silty Fine Sand, Moist, Loose.

Total Depth = 11'

No Bedrock encountered during drillng.


Note: The stratification lines shown represent the approximate boundariesbetween soil and/or rock types and the transitions may be gradationaL.

'0' Earth Systems:, ,.__..) Sothern California

Boring No: 12



Boring Loction: Per Plan

Sample I Penetration 1 ¡i : IType . I Resistance I 0 i~ i (Blows/6") i .0 ¡U i I ~ ¡=_f-Q'i ien,c. 0 Ic5 '" ~: i

~Ë-õ...o'~o-

¡- 5

,. ¡

,-

ir-

9,9

io 4,8

15

!;::':~:::~!.~~~.:::

I!11J.h::

.ijj~ij;,"'..J.,......~

IjJ~g~I ~.i.. ...J..

~~~~~;~~

¡ij15~5.¡:l'fti"'I""I''''1

1'1';1';1';1Ii li!i

i lill!li ! 1 ! ! ~ i

11IIIII1i¡iill!iII!I'IIIiiii,ii11111iilii 11'1

i1iii ili iII II!illil!'i'i 1111!

¡III II I!1lllii!111¡lli;11111!illIIIIIIIIliiill!1IIIIiiililliiil11IIIII1i IIIII

I I II1I l1IIIiiiiIllillilIlill!11Ili¡illl11i1'II'Ilili!111¡llllli¡li1I111

11111!1:llillII!iiilili11!lliil1IIIiiliII:I!IIII" '",

enUU'~

~'Vic~.. tto c.è '-o

SM i

Ii

1;ii

Ii

1 110.5 6.1

i

iiIi

!

¡

i

I

i! 99.3 12.1

IIiIiI

¡

IiIi

I 100.6 11.4i

IiIii,i

I.iIi

IiiIIi

Ii

Ii

IiiIi

Iiii

Ii

Ii

I

I

i

IiiII

L

ML

ML

102'' W. Ave., M-I, Palmdae. Co. 9355 i

\661) c)8-753&'(661) 9479~

Drilling Date: January 5. 200 IDrilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

~,,0 ,v 0'.. -- ,:: ~'tî t:._ a.o ..~ §u

DESCRIPTION OF UNITS --~Page I of 1

. ~'~~-~=¡..=.==_'U.-=_.=-=.. _

, Moderate Brown Silty Fine to Medium Sand. Moist, Medium Dense.

, Dark Yellow Brown Fine Sandy Silt with Clay, Moist, Medium Stiff.

Dark Yellow Brown Fine Sandy Silt, Wet, Medium Stiff.

-'--------_.._._-_.._-_..__... ... ...,_,_,_.,_..___..__.._....__....._.._.._._ ..._.'._.__ ._n...____._.___.._ .._.__...._._ ._. .__..n_.__"_~_'_""

, Total Depth = I l

No Bedrock encountered during drlling.

No ÍÍee groundwater encountered during drilling.

Note: The stratification lines shown represent the approximate boundaesbetween soil and/or rock types and the trsitions may be gradationaL.

I!c" Earth Systems~ ...__.,) Sothern California

.....

Boring No: 13


Project Number: PL-0553 1~01


Sample PenetrationType Resistance

~'"u

~ t 8co ti ::

- .

,-"::~õ.vp

5

10

15

ë.0(Blows/6"): F i

"" :en ¡

8,7

18'9

7,7

10,13

'ZU(/--~

è";¡i: ,-'1 130.=èo

~j§j;~i S M

,j¡~~¡~

;'~::~5::;.:~':';:¡::1;::~~~;~:~

.::!.;:!;::;::~

;!¡~i~~¡ 108.1 6,7

;~~¡~~1

:iJi~i3i:j

;~~~;~1;1 \~~G~~~jf~t! '

~l~~ ¡ 106.9 3.81~~:G:~i.......;..

~~~~~3~j'.....'......

qj~~Jt-s-p,! - - -!- - -,

i 104.9 25~ ~ = ~ !; =::: ii ~ ~ ~ !I:;:;: !L ~ : ~ L! ' .. i, ~ :; ~ I.'..~-"-.._.'..;--..............;~¡;~~:j:j SM

'~ffl~~:1;:~~;~1 i 14.7 2.4:~:.::.~:.~::

~~;~~~;~

!.~~~~:~

,U

1024 W. Ave., M-4, Parne. Co. 9355\

(66 i) 9-753&'( 66l ) 948-793 ----Drilling Date: Januar 5. 200 IDrilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson -------

1) ~....:: _': c:._ v~ -~ 13u


Page I of I

iv!lxkrate Brown Silty Fine to Medium Sand, Moist, Medium Dense.

i

i M()(krate Yellow Brovm Silty Fine to Medium Sand. Siightlv Moist. Medium¡. .. .. ..Dense.

i Moderate Yellow Bro..11 Slightly Silty Fine Sand, Dry, Lose.

.__. _ ou _ .._ .. _.......___...__... ~..~._..,___,~____~._..._.~_._.__...._ .__..__...._.... _. _.~_ ._._.____,.__.__..~.__ ..__._ ~ ..'__.~__.,. "n_.

i Moderate Yellow Brown Silty Fine to Coarse Sand with Slight Gravel to 112",

! Dry. Medium Dense.;

.--_._._~- _._.._~- ....._..._-....__.._..~-~-_..._._. ._..- n n. .. _._._____._____......._. ________ ._.~.__ _"_.. .__.._..~._'.n~._'__..~

¡ Total Depth = i I'

: No Bedrock encountered durng drilling.!;

!

i No ITee groundwater encountered during drilling.¡

!i

i Note: The stratification lines shown represent the approximate boundaries! between soil and/or rock tyes and the transitions may be grdationaL.

iei Earth Systems, '.,_/ j Southern California

Boring No: 14


Project Number: PL-05531-01


1024 W. Ave., M-4, Palmdae, Ca. 93551

(661) 948-75381(661) 948-793

Drilling Date: Januar 5.2001Drilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

í Sample Penetration ,-0 Type ~ u ''~ ResistanceÕ

en.¡¡..~~ .. .c U c,- =' ~ DESCRIPTION OF UNITS.c i (Blows/6") ~ en 11 t) .~ 5

p. u ~ o .. o ~11 -' t 8 en è~ §0 :; Page I of I ,

en tI ~ Q U

vi

, ¡¡lii!11 ML; Moderate Brown Fine Sandy Silt, Wet, Stiffi

iil'ii

i,Ill!

!!III

i

,

I 7,6illiiil

96.1 9.6I

ii 1111\

I1 III

1'\11II ,I; ,

l~~\~~1~3fSM Dark Yellow Brown Silty Fine to Medium Sand with Slight Gravel to 1/2",

I!~~~jj~'

Moist, Lose.L 5, I 5,6 ~~j~. i i 1.0 5.7

i

Ii

ri

i ,'" I SPï i ¡ ¡ ~ Moderate Brown Gravely Fine to Coarse Sand with Slight Silt, Dry, Medium

ii' " i 1117.2

Dense.

I 8,12.i~H

2.3

I

¡¡HI

i ~ ~ ~

i ~ ~ ;

I! i:: :

¡;//.- CL,

Moderate Brown Silty Clay with Calcium Carbonate Stringers, Moist, Stiff,~//0I

~//-/'/18"'//

10 v/~~;.111.6 \ 16.6I 11,18 ~~:/:

II

////t;;:),

! ti:~/:.//,//

L

I

i

L

i

I

I I

Total Depth '7 I li

Ii ii i No Bedrock encountered during drilling.,i I

Ii

~ 15 I No tree groundwater encountered during drilling,i i

i


tGI Earth Systems~ "~_'_''; Southern California

Boring No: 15




o Sample I Penetrationc: Type Resistance"- ~% a i (Blows/6")Ö "5 t 81¡Q ti :: i

16'8

..':~ 5

15'9

I 12,20

10

111'18

15

ijjjj~jj1

1'131~'\:l

~:I1:i~j'J~'11"""'"'J~~:¡".¡~'~;1..,.J.'....)..

1;'J1j;i:',j,..,.I,.,1'1'Jj1~t

1.lj".......

. '~~J',

j~ t:jjj~

\"ï.+j.,.J".~~.~j.\"

1~~1~~~~~:"¡"P""

ijJjj!1~j~:1.1J'1'!"""401.1',,4.;

13;1i3'''13J'Ir-:.:i:

l:iij~,::1

j~J~ijj:~'J:--:i3:1

J¡:4aJ,

Ij~Jj1J~

1.~,J:I':;'"I~ j. ..!~.

1~~1~1~fj.'.I"",'~?Jjjj:J~

Õ.0 i

~\

II

enUen~

SM

SM

ML

.è'eec..0) Üo 0.~..i5

..,00) 0'.. '-:: ~.~ ~o ~~ §

U

1 i \. 5.3

ii 8.4 3.8

....* io. i

i

I

i117.0 14.4

1024 W. Ave., M-4, Palmdae, Ca. 9355\

(66\) 948-75381(66\ ) 948-7963

Drilling Date: January 5,2001Drilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

DESCRIPTION OF UNITSPage I of I

Moderate Brown Silty Fine Sand, Moist, Loose.

Moderate Brown Silty Fine to Coarse Sand, Slightly Moist, Loose.

Moderate Brown Fine Sandy Silt, Wet, Stiff.

Total Depth = I l

i

No Bedrock encountered during drilling.

No fÌee groundwater encountered during drilling.


.',....,"

, ,, ;~ .!......#

Earth SystemsSouthern California

Boring No: 19


Project Number: PL-05531-0lBoring Location: Per Plan


..~ (Blows/6")

~ t 8~ CI ~

rii

i

I

f

~ 5

LiI

r

rr-

i

i 10

r

~

~

~ 15

ri

~C'-.1Õ...o

14'6

15'7

17'9.

115'20

Õ.t~

en

¡~~j~t S M!.d:11¡::l"JI1:I"J7'

li!I:!;jJi~:

1;:JI:j1i:¡II:i~;11j:f.i.;J~"1-"

¡~~~~¡~~:1~,1"¡"1'''''11j:~I~~j;!1IJiJJ1:¡';:~

!jj:¡~ij~i;:i~'

1,,')'li:I'J::"'I'~"'I""¡ij;:Ii:j::11:r¡~t.j::

ii~:j:lii:j:¡ SM

i111~j~:;::

'11~~~J.i~!~;"~.¡..1""1Iijj:jjijj~

,1:lj~Ji¡:¡

- .i,:n:; 'J:: SM1."1~..""

Ijji1j~;i:i~'1~~i3., 'J'

tlj-~::¡jM

l' jJ:jJ¡~,li.b'J:

enUen~

.f' I ~~~ __I :: ..t1 ü I t) c:o E;I 'õ ~è I ~ 0o i U

,

i 07.5 I 1.6

106.6 3.5

SP

106.6 2.6

i 14.2 4.2

1024 W. Ave" M-4, PaJmdae. Co. 935; \

(66\ ) 948-75381(66\) 9-8-793

Drillng Date: Januar 5, 200 iDrilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson


Page i of i :

I Dark Yellow Brown Silty Fine to Medi~m Sand with Clay. Moist to Wet. Loose.I

Moderate Yellow Brown Silty Fine to Coarse Sand, Moist, Lose.

Pale Yellow Brown Gravely Fine to Coarse Sand with Slight Silt, Slightly Moist,Lose.

Dark Yellow Brown Very Silty Fine to Coarse Sand with Gravel to 1/2", Moist,Medium Dense.

Total Depth = I I'




~ Earth Systems\..:Southern California 1024 W. Ave.. M-4, Palmdae, Ca. 93551

(661) 948-7538/( 66\ ) 948-793

Drilling Date: Januar 8. 200 IDrilling Method: Hollow StemDrill T;v-pe: CME 55

Logged By: Rob Ferguson

Boring No: 20Project Name: Avenue K Transmission LineProject Number: PL-0553 I -0 I


Sample I Penetration ¡2 Type Resistance i-- i. I

i .. ài (Blows/6")!õ. ~ f- 0; II ~ :: C. 0 'i ic: C/ ::i"--i

iiL

Ii

IrI

ii

I-

I

I

15

I-

I

~

Li

L

r 10

i

r 15

¡

Ii,

I

I

I iI, ! 13,3

i ii ii

I

i

i 14'6i

i

I

.110'1?

16'8

¡

!

:g \ t5~ i enen: ~

ii

i i L ~ f ! : 'i¡lliil'¡lilii!11111'il'

¡Iililili

, ,11,,1

lil!!II,I'ii Ii iil:'111

¡',lliil'!:!1111I;¡l"iii,lii P)1IIIili11.:11L.I: ¡

¡IHI SP 1108.33.6

" " iI¡i! i Ii 'lWi. U ¡ I SP Iii ~ :: ::

III ~ 108.7 3.2¡ ~ ~ ~

i ~ H

¡

Q I d) ~.~ ~! 5 ':d) t) I -: i:co.: 'õ ~ ,;:'-I~§'c i U

I-~ML i ¡

i I,II' i;, i! :i !i 100,8 i 12.7

i I, II

i

SP I - II

106.1 13,7

I,i


. Page 1 of I :

: Dark Yellow Brown Fine Sandy Silt with Clay, Moist to Wet, Soft.

Moderate Brown Slightly Silty Fine to Coarse Sand with Clay, Slightly Moist,Lose.

Pale Brown Slightly Silty Fine to Coarse Sand, Slightly Moist, Medium Dense.

,

Dark Yellow Brown Slightly Silty Fine to Coarse Sand with Gravel to I 1/2",Slightly Moist; Loose.

Total Depth = I l




Co, Earth Systems,-._.J Southern California

Boring No: 2 IProject Name: Avenue K Transmission LineProject Number: PL-0553I-OIBoring Location: Per Plan


..~ (Blows/6")

"' ~ 0:; Q. 0c: tI ¿

L.

;-iii

I~

¡

Ii

t-

!

10

¡

r-

i

I

cc'-..õ..ua

5

15

13'4

14'5

14'5.

15'7

t~:::i.":;/ CLv'',."',

r~:~~'

k:;::~-:~~~~::;~~

t~.:~~~:

f,/;;;'"

li"l Ii'Iii

IIIIII¡Ill

¡

I

111,,1

Õ..~I

~ i

enUen::

CL

ML

SM

è'ëëi:~.u t)o 0.;:~Q

102.1 18.1

105.8 20.3

98.4 10.9

Ø,5ij.I:¡ 1013 6.7

¡~~.¡~~~:.i~ .b:I1:1j":' I!j~jjjij~~ 111~Ii

~GJ ??:: '-~ ~c; i:.- .uo ~~ §u

1024 W. Ave., M-4, Palmdae, Co. 9355\

(661) 948-75381( 66 i) 948-793

Drilling Date: January 5, 200 iDrilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson


Page i of I

Dark Yellow Brown Fine Sandy Clay with Silt, Moist to Wet, Medium Stiff

Dark Yellow Brown Silty Clay with Fine Sand, Saturated, Medium Stiff.

Dark Yellow Brown Fine Sandy Silt with Clay and Gravel, Moist, Medium Stiff

I Dark Yellow Brown Silty Fine to Medium Sand, Moist, Lose.

I

I

Total Depth = I l


No tree groundwater encountered during drlling.


ie' Earth Systems'....._.,,: Sothern California

\024 W. Ave" M-4, Palmdae, Ca. 93551

(661) 948-75381(661) 948-793

Drilling Date: January 8, 200 IDrilling Method: Hollow Stem

Drill Type: CME 55

i Logged By: Rob Ferguson

1- Boring No: 22

I Project Name: Avenue K Transmission Line

! Project Number: PL-0553

1-0 I

I Boring Loction: Per Plan,

o:;..

I ~,

r

r,

5

t"

15

r

f

I SampleType ..I ~

I~ t 8i ~ tI ::

I

I

PenetrationResistance õ

.D(Blows/6") I E

I ~i

14'4

¡ii

i

III

ii

i

3,4

li~jj1j~~ S M

1,¡'Jj¡j'l:,1J~J'.:rl:'ii1:11,:1:!11f1".;

¡ijijij:f;

j1~33:jj:1~

'1~:i"::~;r1:!1~'J:i-J::,J::p~.'':''J!'l:;, 'i

I

15'6.

6,23

DU) "ccU ~-=en 0 g,

~ I g'-I

I

ML

97.3

97.0

ML

ML

u~iii. '-:: ~

.~ ¡: Io ~~ §u

21.4

103.0 16.9

84.8

DESCRIPTION OF UNITSi i rI Page i of i ¡ ,

Dark Yellow Brown Clayey Silt, Moist to Wet, Medium Stiff.

ì Dark Yellöw Brown Very Silty Fine to Medium Sand, Moist to Wet, Lose.

13.1

Dark Yellow Brown Fine Sandy Silt, Moist,Stiff.

I Dark Yellow Brown Fine Sandy Silt, Moist to Wet, Very Stiff.23.\

Total Depth = 1 I'

i No BOOook ,,coootored duriog drIHogI



'0' Earth Systems:"'__') Southern California





iILII

1i

1

rIL

I

L

i

I 5

l-i

~

I

ilO

~ 15

L

--cc'-J:õ...o

0.'ãu~ t 8c: '" 2

(Blows/6")

16'9

14'6

110,20

110'19

Õ

.D

~en

i~¡~j~;~ S M

I'f:'::'~j~j~j~!~~¡~~.iJ.1:~.~-

i'I'Jì1:rJ~.Jrj~'~j~::~:1i-rr'I"'j

i¡~~~:ji¡¡1~~~~:i~:~~1

i11imf¡'

h':ll,'J:.G:dj~~~:"'I'J"'J.",,

I'J3'J~:1¡::¡3:q~:~~~~

Ijhi-J~';:1

ij1jm¡~i

1...,.1.....1

~1¡¡:~~I~t:i¡l

1%;'1 CL

1§3i:

/.~'~::

~~~)/~

/ //.1

~. /,1 CL~:~1/ //(/;;,~¿

~~.,);:1%-j1, //1

enUen~

SM

è-'üì

i: --"'õo 0.è~o

i 14.8 9.6

105.4 4.7

***** 35.4

ll4.2 18.8

1024 W. Ave" M-4, Palmdale, Ca. 93551

(661) 948-75381(661) 948-793

Drilling D,ate: January 8. 200 IDrilling Method: Hollow StemDrill Type: ovm 55Logged By: Rob Ferguson

.-0, '#.. '-:: _t; i:.- 0,0-~ §

U


Page I of I

i Dark Yellow Brown Silty Fine to Coarse Sand with Gravel to 3/8", Moist to

I Wet, Medium Dense.

Dark Yellow Brown Silty Fine to Medium Sand, Slightly Moist, Lose.

Dark Yellow Brown Fine Sandy Clay with Silt, Saturated, Very Stiff

Pale Yellow Brown Fine Sandy Clay with Silt, Wet, Very Stiff

Total Depth = i I'




'.' Earth Systems;"'~~) Southern California


Project Number: PL-05531-0 I


". i Sample I Penetration \

e; I. Type ~ I Resistance :g~ i en

'R ie: (Blows/6") 221) ,-"1-0: en, ~IQ I;5B;~i ¡i v,ii

i

r-

,-

16'8¡

I¡

I-

I

I~ 5

I

rì

~

,

15'10

I

21,5qfor5"

- 10

114,19

r

r

~I

- 15

Iii II! ML iill iii

iilll!i II

Ii Iii

I IiiI i IIIi i ' Iii

illl ML

Ii i

III ~ 1I

W/" CL~~0'~,. "/~~~,:J;j~:;:1~¡ SMr:¡í¡~~~l~í~

I~~~~~~~:i'!J"IJ"--"',

~~i~!~~~:

i i "" iI è v'#I

1,- i'" '-~..i :3 ..u'U1t;co 0."- v I,-locig 1~81

I i 10.7 10.2i '

95.4

100.9 20.0

i

106.5\7.2

\i,

31.0

1024 W. Ave., M-4, Palmdae, Co. 93551

(66\ ) 948-75381( 661) 94&-793

Drilling Date: January 8. 2001Drilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

~


Page I of I

I Dark Yellow Brown Fine to Medium Sandy Silt with Clay, Moist, Stiff.I

i

i

Dark Yellow Brown Clayey Silt with Fine Sand, Satuated, Stiff

Pale Yellow Brown Fine to Medium Sandy Clay with Silt, Wet, Hard.

Pale Yellow Brown Silty Fine to Medium Sand, Moist, Medium Dense.

Total Depth = I l'

No' Bedrock encountered during driling.



~(Wi....._...

¡

¡

~i

I

ir-i

~,

ì,

L

r'i

fi

iL toI

~

I

r

I

I

i

I

Earth SystemsSouthern California

,-~.së.vo

15

16'30





..~ (Blows/6")

~ ~ ~

131'23

I 15,2.3

112,15

i

!j~:mj~j\~ S M

iiji~~~i!1

¡~~~~~~~~r

I~j1~~~j~~:,." .;.. 'i'~': ".

~!:¡m¡~1

'Iii I

iilii

:111Iilii

¡11!i

'II!'! !!I!,Ii!

~~:;~)~( SM!~~'';'~3.i''

~;ij~j~¡

i~~¡~¡;..:...,, ~.;

;~~~~~j~

. iiiiii iiiii

III

1'1

iii,i ~ I ~ '

Õ.cE;;

en

1024 W. Ave., M-4, Palmdae. Ca. 9355\

(661) 948-75381( 66\) 948-793

Drilling Date: Januar 10,200 IDrilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

enUen::

I~ i '0

~ I v ~.- '" "-'" -c,- ,...dJ'U1V1t:ro 0.1 .- B~'- 0 c:è i ~ 0 io ! u: Page I of I


Moderate Yellow Brown Silty Fine to Medium Sand with Clay, Moist to Wet,Medium Dense.

101.0 13.0

ML Moderate Yellow Brown Fine Sandy Silt with Clay, Moist to Wet, Hard.

1 I 1.5 14.1

Moderate Yellow Brown Silty Fine to Coarse Sand, Moist, Medium Dense.

115.9 8.7

ML Moderate Yellow Brown Fine Sandy Silt, Moist to Wet, Very Stiff

97.6 13.3

Total Depth = I\'


i No tree groundwater encountered during drilling.i

i Note: The stratification lines shown represent the approximate boundaries

! between soil and/or rock tyes and the transitions may be gradationaL.i

¡

'0, Earth Systems'".._..) Southern California




Sample I PenetrationType .. I Resistance

ij I

Š t 81¿¡ (I ~,I

iI

~ir

ir-

¡-iiLIi

~ 5

iL

Ii

rI

ri

I10

~æ--oJÕ..0o

15

Õ

(Blows/6") t

I en

14'23

16'7

11 1,2~

113'11

ff:~f:%:i SC

~~!~I

......J

m1....'.".1r.:-.~t.~.:. .

f/"; CL

~~~x;;:;R;/~ ;..

r//';(f:i~;~

k~X;

~ffi~

l~rL~':::;¿./~.:/-y

,//~.'/;~)'....

i:i~~~5'~: S M

i:j~j~~j~tJß1""".j"l

!¡Jjjî~i::1.1.I,.,?..,.,~d~'''~¡.g~~~~:i:.

enUen~

I,106.0 18.1

~.;¡c:..o Õo 0.~ '-

a

93.3 15.4

106.8 16.3

112.2 13.1

1024 W. Ave.. M-4, Palmdae. Ca. 93551

(66\ ) 948-7538i( 661) 948-793

Drilling Date: January 8, 200 IDrilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

..4) ~::~~ ~Vi c:.- 00-~ §u


Page I of I ;,

PaleYellow Brown Clayey Fine to Coarse Sand with Silt, Moist to Wet, MediumDense.

Pale Yellow Brown Silty Clay, Moist to Wet, Stiff.

Pale Yellow Brown Fine to Medium Sandy Clay with Silt, Moist to Wet, VeryStiff

Dark Yellow Brown Clayey Fine to Medium Sand with Silt, Moist to Wet,Medium Dense.

Total Depth = 11'

Ii

I No Bedrock encountered durng drilling.I

i No free groundwater encountered during drilling.


.c. Earth Systems, i".. 7/ Sothem California

r- Boring No: 27

I Project Name: Avenue K Transmission Line, Project Number: PL-0553 I -0 IBoring Location: Per Plan

Sample PenetrationType Resistance õ.. .c

~ (Blows/6") i ~~~§ !enif-Ii

I

rii

Ir-

ii

~ 5

~I,,

oË..õ.OJ

C)

l-

I

L 10

i

~

15

150 tòr 5"

fÆ~:r CLr.::~:::~;:~.:

l-:?:;..../ ~/.."//-

t~':?:~;':.

t.:;:./.

~Xj~

110'11

enUen~

~'ëë~,-oõo 0.

è '-o

90.0

112'22

113.9 5.5

SM

21,30 111.615.6

107. 17.2

v i.. '-:: ..tj C.- '"0..~ §

U

12.7

1024 W. Ave., M-4, Palmdae, Ca. 9355\

(661) 948-75381( 66 i ) 948-793

Drilling Date: Januar 8.2001Drilling Method: Hollow StemDrill Type: CME 55Logged By: Rob Ferguson

~


Page I of i

Very Pale Orange Silty Clay, Moist, Hard.


I Pale Yellow Brown Silty Fine to Coarse Sand with Clay, Moist, Dense.I

I

I

I

Dark Yellow Brown Silty Clay with Fine Sand, Moist to Wet, Very Stiff.

I Total Depth = i \'

i No ",dcock ,noooo'",d durng drllngI No ITee groundwater encountered during drlling.


'0' Earth Systems!,.... .,) Southern California




Sample PenetrationType Resistance ë.. .c

~ (Blows/6") I ~

~~~ lenr;d':::;J CL

~.,',::,;,'./ji

f;/:d).

V''õ/,',,'.~ .

(::.';;

V.:d:j

t):ljV~,;,Ir(.:;;~EJ"':~ CL I

tr~~///I

~~l:8j8;,,'/j~;in~

fi

I

l.

Ii

!

L

L

,

ti

r-

I

r ioI

r-

o:;.cÕ.1)o

5

15

150 for

5"

120'21

120'39

123'33

I;.:'~ .....;

III..'..........."1..........401....,...,

lllll:~"::::;:.

~j~~~~~!

i

enUen~

SM

SM

è'cci: ,-.:t)o 0.

è '-o

90.2

88.2

108.2 10.8

123.1 7.0

OJ ~ 'i- '-'" ~t; c ..- .:o ~~ §U

1024 W. Ave,. M-4, Palmdae, Co. 9355\

(661) 948-7538/(661) 948-793

Drilling Date: Januar 9,2001Drilling Method: Hollow StemDril Type: CME 55Logged By: Tim Thomson


: Page I of 1

: Pale Yellow Brown Fine Sandy Clay with Silt and Calcium Carbonate, Thoughout Matrix, Moist to Wet, Hard.

18.4

! Pale Yellow Brown Silty Clay with Fine Sand and Calcium Carbonate, Wet,. Hard,

27.6

Dark Yellow Brown Silty Fine Sand with Slight Clay, Moist, Dense.

Moderate Yellow Brown Silty Fine to Coarse Sand, Moist, Dense.

: Total Depth = 11'


: No tree groundwater encountered during drilling.

: Note: The stratification lines shown represent the approximate boundaries: between soil and/or rock tyes and the transitions may be gradationaL.

'e\ Earth Systems\,__,,/ Southern California





..~ (Blows/6")

-' f- 0:; "" 0a: ti ::

o¿¿-',J

i õ.i ¿¿

i

i,,iIri,

I

ri

I

~

I

ri

~ 5

I

r

~

L

ii

i

r 10

i

r

i

19'40

117,30

I 14,2?

19'19

15

i

!

õ I en.c i U~I ~en 1

i

fi:.J:m scc...'..1' thki:

k~~:~~1

~f:;¡:,;ri

tG~:;~:j

~~¡;t::,~¿j)..~ ;'.~ ~~"'~-'~'~"~

1~;::;2'1 CL

~~.;;:~:~~:

1~~:~;;~;~/,".'/.'

CL

CL

ò'¡¡i:~ut)o 0.~ '-..o

!'Ô iu ~ I.. '-;: "E i

.~ .. I0-~ § !

U I

83.0 23.0

111.6 20.0

106.8 21.5

100.0 24.5

1024 W. Ave., M-4. Palmdae. Co. 93551

(66\) 948-7538/(66\) 948-793

Drilling Date: Januar 9, 200 iDrilling Method: Hollow StemDrill Type: CME 55Logged By: Tim Thomson


¡ Page I of I

Pale Yellow Brown Clayey Fine to Coarse Sand with Silt and CalciumCarbonate Throughout Matrix, Moist to Wet, Dense.

Moderate Olive Brown Fine Sandy Clay with Silt and Calcium Carbonatethroughout Matrix, Moist to Wet, Hard.

Moderate Yellow Brown Fine Sandy Clay with Silt and Calcium CarbonateStringers Thoughout, Moist to Wet, Hard.

Mottled Moderate Yellow Brown/ale Yellow Brown Fine Sandy Clay with Silt,Saturated, Hard.

Total Depth = I l

Nö Bedrock encountered during drilling,

No ftee groundwater encountered during drilling.

Note: The stratification lines shown represent the approximate boundariesbetween Soil and/or rock tyes and the transitions may be gradationaL.

'ei Earth Systems~\__.,J SouthernCalifornla




Sample Penetration iType ~ I Resistance :g \ en

a (Blows/6") ~ I ~~~o en\~~ ~ ~ I \

.-¿'-..P-oCi

riI

Li

I

L¡

IiI

riI

r- 5iI

~

j

L

i

I

i

~iIIi- 10

i

!

r,Ii

L

IiI

Ii

Lii

I

l- 15

i

Li

i

117'13

....,...w..._..

r~~¡'i,:i sc......I¡f~¡m~il;'~,,,~,,,1

I118,22

~,/,. CL

-wiivç;;k~~;,~~ ////-

~j~:;

~&rf0j'"'/-Ø~/::~ii:1/ /,",

~/'/ii CL

~;;/~ /.~,?%f~

110'2.1

118'14

,-ò ..~.~_ 3 ':'Ut)t)t:00.,'- 21'-.' 0 cè i~ 0o i U

94.4 i 8.2

117.9 9.4

CL I

107.4 16.6

121.0 5.2

\024 W. Ave., M-1, P31mdae, Co. 9355\

(661) 948-15381(661) 948-793

Drilling Date: January 9. 200 IDrilling Method: Hollow StemDrill Type: CME 55Logged By: Tim Thomson

DESCRIPTION OF UNITS: Page I of I '

Pale Yellow Brown Fine to Coarse Sandy Clay with Silt and Calcium CarbonateThoughout Matrix, Moist. Medium Dense.

Moderate Yellow Brown Silty Fine to Medium Sand with Slight Clay, Moist toWet, Hard.

Moderate Yellow Brown Fine Sandy Clay with Silt, Moist to Wet, Very Stiff

Moderate Yellow Brown Silty Fine Sand, Moist, Very Stiff.

Total Depth = I I'

I

No Bedrock encountered durng drilling.

No fiee groundwater encountered during drilling.


'0: Earth Systems:, ..._.~,; Southern California

Boring No: 3 iProject Name: Avenue K Transmission Line

Project Number: PL-0553 i -0 I


¡__I Sample Penetration I !i tt i T)pe .. I Resistance i 0 i'- .- I i .. ¡i % a i (Blows/6") i ~:i~ l~t8! enii 0 i CQ r/ :: ¡ '!

- llCir,I¡~i:;;!

~'''''',I~.~~::'~'.~~:fc"~";

II!~~jjj:ii-'11~""

i¡J:~~~il.jJ'!r:J';:i:t¡~a:i~:~::

!jJi:l.jji:!1.:rrJ1,'~¡

I1~J~3~~:

!ijj~jj;?

l¡jMj1:,,.,1.,1:,1.,!3~1~~~~i:

H¡'1J15i:11fJ:I¡r:

qA~~:,i3~Jj.i~

I~J"4~j~

1.~.iJJ.i:.~.,I..~ ..1".

¡~~~~1~

i

I

i

L

i

~ 5

!

¡

rI

~

1

¡

I

r io

~

r

r

i

15

117'26

114,21

i

iii,

I,i,i

i

i

i

i

I

i

iii

Ii

I

i

I

117'2.1

129'41

enU::~

ò'V;i: -=.. OJo c.è '-o

1024 W, Ave., M.., Palmdae. Ca. 9355\

(661) 94S- 75381( 661) 948-793

Drilling Date: January 9,2001Drilling Method: Hollow StemDrill Type: CME 55Logged By: Tim Thomson

.-If ";.. '-:: _(( i:.- ..0-~ §u


Page I of I

SM i

i

! 17.4

!

i

i

iI!

ì

i

106.61 10.0i

i,

I

I

!ì,

i

114.1 ! 6.4

!

Pale Yeelow Brown Clayey Fine to Coarse Sand with Silt and CalciumCarbonate Throughout Matrix, Moist, Medium Dense,

Moderate Yellow Brown Silty Fine to Medium Sand with Clay, Moist to Wet,Medium Dense.


Moderate Yellow Brown Silty Fine to Coarse Sand, Slightly Moist, Dense.

I Total Depth = I I'

i No Bedrock encountered during drillng.

No fTee groundwater encountered during drilling.


88.0

SM

SM

iI,

I

ii. iI 117.513.2, ii i! '

'c. Earth Systems',__y': Southern California

, ,., -', ¡;, '-

:- 5

!

,

r- 10

;-!i

Il-

I

1ii

I

!ii

i

f- 15

ii¡

r!LI

i

¡




Sample PenetratÌonType Resistance..

~ (Blows/6")

~ S: 8i: ti ::

--ë.'1o

i

IIiI

l,::/:I CL

(?:::;

144'43

¡';Hiii

l:;/j?ir//,',"

~;,0,'r;'.:,~:;:.'~:

!~~1~~~~¡! S M:.~~:1j1::

l~''''''''

I'

112'15

enUen~

2? IOJ'i.- L. '-'" -c: l- ~..d)t) ê¡C:o o.¡.- ~'-i 0 c:è ~ 0o ! u

1024 W, Ave., M-4, Palmdae. Ca. 93551

(661) 948-75381( 661) 948-793

Drilling Date: Januar 9,200 IDrilling Method: Hollow StemDrill Type: CME 55Logged By: Tim Thomson


Page I of I

I Pale Yellow Brown Fine Sandy Clay with Silt and Calcium Carbonatei Throughout Matrix, Moist, Hard. .

i Moderate Yellow Brown Silty Fine to Medium Sand with Clay, Moist, Mediumi. Dense.

SM Moderate Yellow Brown Silty Fine to Coarse Sand, Moist, Dense.

97.0 16.3

110.4 10.9

20,3~ 125.9 7.5

120'24

ML

I 109.6

I

13.6

i Moderate Yellow Brown Fine Sandy Silt, Moist, Hard.

I

Total Depth = I l


No rree groundwater encountered during drilling,


February 9, 2001 PL-05531-01

APPENDIX B

Summary of Laboratory Test Results


2500

2000 ._,...___.________.____.._.___._____._._____.__._.~_______.________.h'_____. .__. --- --_._--._----._-."- ---

500

.--------------------_._--~-----_._----------'-_...__.-"_.~r.~ 1500 '=.~

CICIQ;i...r.'e=.~i.~ 1000

æ

o

o 500 1000 1500Norm Load in PSF

2000 2500

DIRECT SHEAR DATA*Sample Location: Boring7cæO-5', Remolded

Material: Dark Yellow Brown Silty Fine Sand (SM)

Dry Density (pct): 104.9

~ Angle of Friction (degrees): 35

c Cohesive Strength (pst): 30

T est Type: Peak

DIRECT SHEAR TEST

Avenue KTransmission Line'Lancaster, California

G Earth Systems .~ Southern California'

. Test Method: ASTM D-3080 219/01 PL-05531-01

2500

2000 ..~______..__,_..__ ___.__ ...._. n_.. _ ._._. _____________.

~00

~ 1500...

----_._~._._---_.._--_._----_.,_._--------------

500

CICIQ.i...

00bJ=...i.~ 1000.:00

o


2000 2500

DIRECT SHEAR DATA*Sample Location: Boring 23(Q0-5', Remolded

Material: Dark Yellow Brown Silt Fine to Coarse Sand (SM)

Dry Density (pet): 116.1



Test Type: Peak

DIRECT SHEAR TEST

Avenue K Transmission Linelancaster, California

o Earth Systems'" Southern California'

. Test Method: ASTM 0-3080 2/9/01 PL-05531-01

2500

2000 --,----------..-----.---------.-' .--....--.------",--------,----,-.-

~00

~ 1500...u:u:~i.

+"00bIi:...i.~ 1000..00

500

o ,o 500 1000 1500

Norm Load in PSF2000 2500

DIRECT SHEAR DATA*Sample Location: Boring 28~O-5', Remolded

Material: Pale Yellow Brown Fine Sandy Clay (CL)




Test Type: Peak

DIRECT SHEAR TEST

Avenue K Transmission LineLancaster, California

o Earth Systems~ Southern California -

. Test Method: ASTM D-3080 2/9/01 PL-05531-01

2500

2000 -.----

~00

~ 1500...

.i.:'

CICI~i...

00tu=...i.~ 1000..00

----------_._-------------------_.__.._-,",",-- -.- --,- -----

---------------_._-------~-----------,------------_._-----_.._._--- ,--

500

o

o 500 1000 1500Normal Load in PSF

2000 2500

DIRECT SHEAR DATA* DIRECT SHEAR TESTSample Location: Boring 2(Q2', in-situ

Material: Moderate Yellow Brown Very Silty Fine to Medium Sand (SM)




Test Type: Peak



2/9/01* Test Method: ASTM D-3080 PL-05531-01

2500

2000 ----- --_._._-.,._------,- _.._--~_.__._--_..._-------_.._----- --- ---_. --------- -----

~00

~ 1500-1"

----- ~----_._-----.__.._------_._-_._.- - ."-- --,._------ ." -------_.._------------- -------

500

CICIQ.~..

00~=

-1"~~ 1000..00

o ,o 500 1000 1500


DIRECT SHEAR DATA* DIRECT SHEAR TESTSample Location: Boring 4~2', in-situ

Material: Dark Yellow Brown Silt Fine to Coarse Sand (SM)




Test Type: Peak


o Earth Systems~ Southern California

. Test Method: ASTM 0-3060 2/9/01 PL-05531~01

2500

2000 '----.--'-----.-'--....-..--,,-----,-- .----.-------------- n__...._____..___,______________._, _.

~00

~ 1500...

----_._--_._------~_._~---_._---------_.~------.__._-_.._----------_._---._-----

500

flfl~..

00~d...~~ 1000..00

o ; .a 500 1000 1500

Normal Load in PSF2000 2500

DIRECT SHEARDATA* DIRECT SHEAR TESTSample Location: Boring 6(g2', in-situ

Material: Dark Yellow Brown Fine Sandy Silt (ML)




Test Type: Peak


Q Earth Systems~ Southern California


2500

2000 --

~00

~ 1500...

UJUJQ)J...

00bI=...J.~ 1000..00

-_._--_._------------- ..._--_."---------

-_._--------------------_._------------_._--------_._------- --_...,._-------_.

500

o

o 1000 1500Normal Load in PSF

2000 2500500

DIRECT SHEAR DATA* DIRECT SHEAR TEST

Sample Location: Boring 8~5r, in-situ

Material: Dark Yellow Brown Silt Fine to Medium Sand (SM)

Dry Density (pct): 113



TestType: Peak


Q Earth Systems__ Southern California d


2500

2000 ---'-----'-..____._____________no_____._________,________.,_______._____

~00

~ 1500.~

.__..-,--------_._._------------_._,-------------------_._---------_..'CICIa¡~..

00bI='.~

~ 1000..00

500

o


2000 2500

DIRECT SHEAR DATA* DIRECT SHEAR TESTSample Location: Boring 10~5', in-situ

Material: Dark Yellow Brown Fine Sandy Silt (ML)




Test Type: Peak


Q Earth Systems"' Southern California

. Test Method: ASTM D.3080 2/9/01 PL-05531-01

2500

2000 ------------

~00

~ 1500.~

"----_._--------------------_._---------_._------------

500

(1tt~i.~

00b.=.~i.~ 1000..00

o ' 'o 500 1000 1500


DIRECT SHEAR DATA*Sample Location: Boring 12~5', in-situ.Material: Dark Yellow Brown Fine Sandy Silt with Clay (ML)

Dry Densit (pcf): 99.3



Test Type: Peak

DIRECT SHEAR TEST


o Earth Systems.. Southern Caliornia


2500

2000- - ---------_._-------._---_._-----. ._----_.._----_..-._--.__._-....._---.

~00~

1500 _.=...

500

rnrnQ)~..

00bI=...~~ 1000..00

o


2000 2500

DIRECT SHEAR DATA*Sample Location: Boring 14~5', in-siju.

Material: Dark Yellow Brown Silt Fine to Medium Sand (SM)

Dry Density (pct): 111

$ Angle of Friction (degrees): 30


Test Type: Peak

DIRECT SHEAR TEST


o Earth Systems~ Southern California

. Test MeUUod: ASTM 0-3060 2/9/01 PL-05531-01

2500

2000 ------------.--------- .________________n__________.u.__.., .---....------""----

~Cl

~ 1500...

_ ______.__._________._u_.n.________ ___n___._______.______.._,_____.._~___.

500

enenQ)i...

Cl~=...i.~ 1000..Cl

o


2000 2500

DIRECT SHEAR DATA* DIRECT SHEAR TESTSample Location: Boring 16~5', in-situ.Material: Moderate Brown Clayey Silt with Fine Sand (ML)

Dry Densit (pet): 90.5



Test Type: Peak


o Earth Systems'Southern California


2500

2000 .__0____.______..__________ __._.. _.____."__

~00

~ 1500...

500

._---------"IIIIQ,i...

00~i:...i.~ 1000..00

o ,o 500 1000 1500


DIRECT SHEAR DATA* DIRECT SHEAR TESTSample Location: Boring 20(Q2', in-situ.

. Material: Dark Yellow Brown Fine Sandy Silt with Clay (ML)




Test Type: Peak

Avenue K Transmission Line.Lancaster, California

G Earth Systems~ Southern California

. Test Method: ASTM 0.3060 . 2/9/01 PL-05531-01

2500

2000 ----------------..----------------.----.------------.-.-..--------------._._______

~00

~ 1500...

--------------_._--------_._.--_.__._---_.__._._-----_.._._--,..-._--_._-------_._-----_.

IIIIQ,i...

00~i:...i.~ 1000.d00

._----

500

o


2000 2500

DIRECT SHEAR DATA* DIRECT SHEAR TESTSample Location: Boring 22(Q2', in-situ.

Material: Dark Yellow Brown Clayey Silt (ML)

Dry Densit (pet): 97.3

. ~ Angle of Friction (degrees): 16

e Cohesive Strength (pst): 270

Test Type: Peak



. Test Method: AsTM D-3060 2/9/01 PL-05531-01

2500

2000 ----------------.---.-----------------.--------- ---------.-------- --.-----. .----------.h- -_.- --.- -- -. . -. ----.----

~00

~ 1500...IIIIQ,i...

00bJi:...i.~ 1000..00

- -------------------_._-----_..__.__._-_..-_._---------------------_._-------_._.-

500

o

o 1000 1500Normal Load in PSF

2000 2500500

DIRECT SHEAR DATA* DIRECT SHEAR TEST

Sample Location: Boring 24(Q5', in-situ.

Material: Dark Yellow Brown Clayey Silt wih Fine Sand (ML)


~ Angle of Frietion (degrees): 24


Test Type: Peak


G Earth Systems"" Southern Caliornia

. Test Method: ASTM 0.3060 2/9/01 PL-05531-01

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February 9,2001 PL-05531-01

TABLE B-1

SUM Y OF SAND EQU1V ALENT * TESTING

Sample Location Material Description Sand Equivalent

Boring # 1 (f 5 feet Silty Fine to Coarse Sand (SM) 39

Boring #3 (f 7,5 feet Silty Fine to Coarse Sand (SM) 38

Boring #5 (f 7,5 feet Silty Fine to Medium Sand (SP) 48

Boring #7 (f 2 feet Silty Fine Sand (SM) 49

Boring #9 (f 5 feet Silty Fine to Coarse Sand (SM) 61

Boring # 11 (f 5 feet Fine Sandy Silt (ML) 5

Boring #13 (f 5 feet Silty Fine to Coarse Sand (SM) 62

Boring # 15 (f 5 feet Silty Fine to Medium Sand (SM) 36

Boring # 17 (f 7,5 feet Silty Fine to Medium Sand (SM) 23

Boring # 19 (f 5 feet Silty Fine to Coarse Sand (SM) 73

Boring #21 (f 5 feet Fine Sandy Silt (ML) 5

Boring #23 (f 7.5 feet Fine Sandy Clay with Silt (CL) 7

Boring #25 (f 5 feet Fine Sandy Silt (ML) 23

Boring #27 (f 7,5 feet Silty Fine to Coarse Sand (SM) 48

Boring #29 (f 7.5 feet Fine Sandy Clay with Silt (CL) 13

Boring #31 (g 5 feet Silty Fine to Medium Sand (SM) 29

*California Test Method 217

2500

2000 --.-.------ .________.___.._____~__.___ --"-----'_-_0__--'_- ..___.._ .m__ "._."_ ....._______

~00

~ 1500...

--------_._---_. -"---------_._---- ,--- -- - -----_._-------- --- -----_._-_._--"--------.-

500

IIIIQ,i...

00'ci:...i.~ 1000..00

o


2000 2500

DIRECT SHEAR DATA * DIRECT SHEAR TEST

Sample Loeation:Boring 26(Q5', in-situ.

Material: Pale Yellow Brown Silty Clay (CL)

Dry Density (pet): 93,3



Test Type: Peak


G Earth Systems"" Southern California.

. Test Method: AsTM D-3060 2/9/01 PL-05531-01

2500

2000 --------------------------.----~-------------------------

~00

~ 1500...

._._-_.._------~---------_._-----'---------------_._..-_._-~-

500

IIII~i...

00bJi:...i.~ 1000..00

o


2000 2500

DIRECT SHEAR DATA*Sample Location: Boring 28(Q5', in-situ.

Matenal: Pale Yellow Brown Silty Clay with Fine Sand (CL)

Dry Density (pet): 88,2



Test Type: Peak

DIRECT SHEAR TEST


o Earth Systems~ Southern California-


2500

2000

~00

~ 1500...

'" .

IIIIQ,i...

00bJi:...J.~ 1000..00

___~__________'_____'_"_'____'W______ _,_.___"._______

500

o 'o 500 i 000 1500


DIRECT SHEAR DATA* DIRECT SHEAR TESTSample Loeation: Boring 30(Q2', in-situ,

Material: Pale Yellow Brown Fine to Coarse Sandy Clay (CL)




Test Type: Peak


G Earth Systems-. Southern California-

2/9/01 PL-05531-01. Test Method: ASTM 0-3060

2500

2000 .__._-~--_._-------_..._----------------_._--------.---

~00

~ 1500...

._--_._-----'-_._---------_.__._--------_._------_....--"--_._---

500

IIIIQ,i...

00bJi:...i.~ 1000.d00

o


2000 2500

DIRECT SHEAR DATA*Sample Location: Boring 32(Q2', in-situ,

Material: Pale Yellow Brown Fine Sandy Clay with Silt (CL)

Dry Densit (pet): 97


e Cohesive Strength (pst): 240

Test Type: Peak

DIRECT SHEAR TEST


o Earth Systems~ Southern California-


~o~'-~E--.00zr.~

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140

139

138

137

136

135

134

133

132

131

130

129

128

-~--'.

-------.,-----------\----------------_.- ----- .-.------------------- .__._--_.- - --- - ._--

:-~~-=--_._~~-=-==~~--\~====~~-==~~===-~_.~==~~~-~=~---~~--::~==-~~=._.~..--_: ~._-~=\______"._.________._______ _ ___ .________.__..____.________. _... _______________._. ... ....___.__n.__._.___

._---------- - -----------_._----- ._-_._--_._._._--_.. .._-----

---------------- -~-------:--.__._--_._------------------_.__._-----_.-. 0------ --_.----~--------_. -~ .--_.._---_._._---------------------------_._._---------~. .---- ..~----.----------------- - .-------.-

---q-------------_.._-----_.__.-".~'0

------~--

127 .-

126

125

124

123

122

121

120 ,3 4

.~./ .~./ . '\

6 7 8 9 10 11 12 13 14 15 16 17185

MOISTUR CONTENT (%)

Maximium Density. Optimium Moisture Characteristics.

Sample Location: Boring 1i§O-5'MAIMIUM DENSITY. OPTMUM MOISTURE

Avenue K Transmission LineMaterial: Ok Yellow Brown Silt Fine to Medium Sand (SM)

Maxmium Densit (pet:Lancaster, California

126.5

Optimium Moisture: 7.0%

G Earth Systems~ Southern California

. Test Method: AsTM 0.1557 2/9/01 PL-05531-01

125

124 --------------- -------.------------------ ---------.----------.-.---.--.-..123 . ..----------------------.-.------..-.-------------- -- -----..--------------.---.--...---.--.122 --- ----------------------.-- -- .---.-.-------121

~o~'-~~~rnZ~cc

~cc

120

119

118

117

116

115

114

113

-------------------------._._---_._------------------- ;-¿-------- _.__.... .__.--.-- ~--~----------------

~----------------------------.----------------------- -;-------------¡o- .-.-------------. --:--.--------

"~

/_ . ~__- -~~~1r~~~-~

-_._---_._---------_._-_._----______0_-

'"-----------_..._.--_.._-----

-------

112

111

110

109

108

107

106

105 ,3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

MOISTUR CONTENT (%)

Maximium Density - Optimium Moisture Characteristics.

Sample Location: Boring 7~O-5'MAIMIUM DENSITY - OPTIMUM MOISTURE

Avenue K Transmission LineMaterial: Dark Yellow Brown Silt Fine Sand (SM)

Maxmium Densit (pet):Lancaster, California

116,5

Optimium Moisture: 10,5% ê Earth Systems~ Southern Caliornia

. Test Method: ASTM 0.1557 2/9/0.1 PL-05531-01

115

114

113

112

111 --

110

109

108

107

106

105

3 4 5 6 7

~o~'-

125

124

123

122

121

120

119

118

117

116

. -------------_.._---------\-- ---.----.--.--.---_..-.------_.__.- -----------_._---_. -----_.-.--- --- ---_._._---.- \. ----._- ._-_.--_. .._-------------_. ---..-------_.--------...- ---.----_._-- -\.------- .-------------------------

_=~==_==_~_===~~-----~m~--~-----------.~~ ~~=:=~=__~~~~;-~~==~=-~

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-.-------------

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~CfZ~CI

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8 9 10 11 12 13 14 15 16 17 18

MOISTUR CONTENT (%)


MAXIMIUM DENSITY - OPTMUM MOISTURESample Location: Boring 11 ~0-5'

Avenue K Transmission LineMaterial: Dark Yellow Brown Very Silt Fine Sand (SM)

Lancaster, CaliforniaMaxmium Densit (pet: 120.5

Optimium Moisture: 10.0%


. Test Method: AsTM 0.1557 2/9/01 PL-05531-01

~uQ,'-

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135

134 .--._- ------------ _.____h_________.___.__.__________ ----..--------------------.

133

132

131

130 --------- ~~129 ----.--------------------.- ---1$-------------~--.---

~128 ---------------.---.--- ---~---------.----.----..------..-----. ~127 ._, _ ----------..--. -~-------.---------------126 ~i;----------~125

124

----_.-------._----

123

122

121

120

119

118

117

116

115

3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

MOISTUR CONTENT (%)

Maximium Density - Optimium Moisture Characteristics*

MAXIMIUM DENSITY - OPTIMUM MOISTURESample Location: Boring 15~o-5'

Avenue K Transmission LineMaterial: Moderate Brown Silt Fine Sand (SM)

Lancaster, CaliforniaMaximium Densit (pet: 131.5

Optimium Moisture: 7,5%



~o~'-

135

134

133

132

131

130

129

128

127

126

125

124

123

........~=-~-=-==-=-i~-~.=-=-=.-==--==-=.=-=.--=.=.-=

. __ ._.._.___________m_.____\_____.____________ ____________..____ .________.____

...=--=::.=..-==-=~:~==:::==-::==.==-=.=:......=

. ------------------ ..._--~~~------------------_._-----------------.._.-------_.__.------- _._----------- .---_._- -'%--------------_._--_._._._--------------_..-. ~

---=-~~-------=- .: ~--~i-CJZ~Q

~Q 122 --

121

120

119

118

117

116

115 '3 4 5 8 9 10 11 12 13 14 15 16 17 186 7

MOISTURE CONTNT (%)


Sample Location: Boring 23~0-5'MAXIMIUM DENSITY - OPTIMUM MOISTURE

Avenue K Transmission LineMaterial: Dark Yellow Brown Silt Fine to Coarse Sand (SM)

Maximium Densit (pet: 129,0Lan~aster, California

,"

Optimium Moisture: 9.0%6' Earth Systems~ Southern California

. Test Method: AsTM 0.1557 2/9/01 . PL-05531-01

130

129

128

127

126

125

124

.- 123~U 122~'-~

121~ 12000Zr. 119~

~118

~ 117

116

115

114

113

112

._..__.._---._._----~-- ------- --_.....__.- -----,-.-_.- _.._-------_.~-----------_.

..._-----------_._-._-----.__.._---- -----_._------- ------_.._..._-_.._---_.__._-_.._-

-_.__._-_._------------------------_._._- ----------_.., -_._---_.._----_._--------_.-

._-_.._------------------------.--.---_._--- ------.. ----_._--_.__._,------~---- ...

--.------.------,------------.--- --.-.~---- ---ot---.--.--,--------------.----o._----------_.---------------_:._--_._..-._._---- _.*-----_._----_._---------~~---------------_.._------_._--- ---~-----------------

---_._----_.__._--------- ----------------_._--- -~----_._-----------..~--.----------~---------------- ---0'0-----------

--------------

111

110 ,3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

MOISTURE CONTENT (%)

Maximium Densit -Optimium Moisture Characteristics"

MAXIMIUM DENSITY - OPTIMUM MOISTURESample Location: Boring 27¡§Q-5'

Avenue K Transmission LineMaterial: Very Pale Orange Fine Sandy Clay (CL)

Lancaster, CaliforniaMaxmium Densit (pet: 120,0

Optimium Moisture: 12.5% .

G Earth Systems.-= Southern California

2/9/01 PL-05531-01. Test Method: AsTM 0.1557

115

114

113

112

111

-"--~-"-'---'--'----'--------------'---"._. - n. _'.~______. ____.. .__..___..__._____.....

---_...._..._--.-._--_._-------_._-_._-----_._.__._._-,.--_... .., ____.____ -_.__.__-.._0__"_._------_. .__'_

---_.__._-----.-------------_._----_._."----_.-.--'-- _.._- ----_._--_.._---"._--------_.. .._-

----------------------- - ---- ---------- ~- --- ------- -- ------- -- -

~o~'-

~ ~~~ ~=~=_-===_~====__=-----.---------.---- -O~~ _~_=_=~==

108 ~--------~ 107 -.----------------.----------- ---- .-------.---- -------.-.-- -~..------_.-...--- . ..~ 106 -----------------------

105

104

103

102

101

100

~i-00Zt;~

~~._-_._-~------

99

98

97

96

95 ,8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

MOISTURE CONTENT (%)


Sample Location: Boring 28~0-5'MAXIMIUM DENSITY - OPTIMUM MOISTURE

Avenue K Transmission LineMaterial: Pale Yellow Brown Fine Sandy Clay (CL)

Maximium Densit (pet:108,5Lancaster, California


Q Earth Systems -' Southern California

. Test Method: AsTM 0.15572/9/01PL-05531-01

--,

120

119 ....--------------------- -----------.---------.-.---.---------------.--. -.....----------- ----118 .----. --------------- -------.--.-- _m ------------------ ----- ------ .--.----------.

~U~'-

1 1 7 ---------.------.----.-------- -----.----.--..--.----------..-------------.---...--. -----116 ----------------------.-------------------- -..----------- --. -- ---.- ---------- .-.- --------- _._.___n.. ._n

115\ 114 --.--------.----------.\\'--..------------------.-----.- -

113------- -------: --~------------------ - ~ 112 --------------------.---- ------------..---. --------- .---,A---------.-------------.--- . . ~ 111 .--------------------.--'r---.- --~-----.-----.------.---- .~''--~--.-.----- ~

~---~

------ - _._.._---- --_._----..----,._--" -,-_._..

~i-C1Z~~

~~

110

109

------~._------108

107

106

105

104

103

102

101

100

8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

MOISTU CONTNT (%)

Maximium Density - Optimium Moisture Characteristics*

Sample Location: Boring 32~0-5'MAXIMIUM DENSllY - OPTIMUM MOISTURE

Material: Pale Yellow Brown Fine Sandy Clay (CL)Avenue K Transmission Line

Maximium Densit (pet:Lancaster, California

113,5


G Earth Systems "! Southern California

. Test Method: ASTM 0.15572/9/01PL-05531-01

1009080

.Š70

II=Po60

..i:Q,

~i.50

Q,

Po

Š

40=E-

302010

Gravel

I#200

Medium

SandFine Sand

Silt or C

luy

u'-S. S

tandard Sieve

3" 2" i 112" 1" 3/4" 112" 3/8"

I#4U

OO

H8U

OH

40

. i

ii

ii ""1~I

i i

iII

i

; IIi

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i

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io100

101

0,10.01

Grain D

iameter (m

ilimeters)

SIE

VE

AN

ALY

SIS

Sam

ple Location: Boring 1 (Q

2'

Sam

ple Description: S

ilty Fine to M

edium S

and (SM

)

Avenue K

Transm

ission Line


o Earth~ystem

s .. ...~ Southern California

2/9/01 PL-05531-01

1009080

.Š70

II~~60

..i:Q,

~i.50

Q,

~'C40

..0E-

302010

Gravel

IH

200

Medium

SandFine Sund

Silt or C

luy

U.S. Slandard Sieve

3" 2" 1 112" I" 3/4" 112" 318"

IH4

HJO

OH

B U

OH

40

I ¡I

ii

I

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,

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o

10010

10,1

0,01

Grain D

iameter (m

illmeters)

SIEV

E A

NA

LY

SISA

venue K T

ransmission Line

Lanæster, C

alifornia

C ~

:~:~

-e~~

S~

~i.f:'~

nia---2/9/01 PL-05531-01

Sample. Loætion: Boring 3(g2'

Sam

ple Description: F

ine to Medium

Sandy S

ilt (ML)

Gravel

1003" 2" 1112" 1" 3/4" J/2" 3/8"

90

I80 -I

.r 70

I!Il 60 I i '

1/1i. 50 ,i ¡IV

Î ¡Il; I

ëa 40 .. i !

~IIi

3020 --

10

! i

I ; il.; 'I

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I

; I i

rIiIi¡IiII

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I !

. i

I !

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I

I IiIIi

. IiI! iiII

iI

10

Sample Location: Boring 4ê7.5'

Sam

ple Description: F

ine to Medium

Sandy S

ilt (ML)

IH4

I

ii

Medium

Sand

- HB HIO

V,S. Standard Sieve

H40

Fine SandSilt or C

lay

HIO

O,

H200

. !~I LU-- I

! n"

i ~~

\ !ì

Ì\ !N

!I

ii

II

1

Grain D

iameter (m

ilimeters)

¡¡!;:I

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,

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;,

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,

i:

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SIE

VE

AN

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Avenue K

Transm

ission Line


~ Earth Systemsu __m_

... .__......_...... ......... - ...-..._. ._...... ... ..-


2/9/01 PL-05531-01

100

II

:: 1iii

.Š 70 -/1

~I i

~ 60 . ¡I..11i: _ i

~ 5011

Q, i i

¡ 40

I!E

- : I302010

Gravel

IH4

3" 2" 1 1/" i" 314" 112" 318"

°100

iIiiI!I¡ii,I¡

i I

i I

i ' I : I

IIi

IiIiIi

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10

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I

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I IIi I

--10 1

Medium

SandFine Sand

U.S, Standard Sieve

*40

"1'1'\\\Ì\:\~;"

Grain D

iameter (m

ilimeters)

Sample L

ocation: Boring 6~5'

Sam

ple Description: S

ilty Fine to M

edium S

and (SM

)

HIO

O

i

0,1

Silt or Clay

IH

200

0,01

SIEV

E A

NA

LY

SISA

venue K T

ransmission Line


o ~:~:~;~~S~:Wf:r~i~- -

2/9/01 PL-05531-01

Gravel

IH4

1003" 2" 1112" 1" 3/4" 112" 3/8"

iIi

80 I1I i

: I !. I I

.Š 70 - i i ii

~ -I I

~ 60 -II r ¡

~Ii ¡ It 50 .! I : !~! ¡: I¡ 40 .i I: ¡

~ I I30 I i20 I. I10 I!!

o100

90

i .11

!! 1

IiI!i :

IIIii!IIiIIiI

Sample L

ocation: Boring 9~'

Sam

ple Description: S

ilty Fine S

and (SM

)

H8 H

lO

IIi !

i II

II i1,1 i ii'' I

i I

I i iI iI IiII III I

10

M~dium Sand

U.S. Standard Sieve

H40

Fine S

anù

HlO

O

HH

I I I,il! ..~

I i '\

i 1\

1\\I

iI1

Ii

Grain D

iameter (m

ilimeters)

Sili or Clay

IH

200i I,

¡i

\, , :

i i ~

I, 1 !1 :

;; r

; I0,1

0,01

SIEV

E A

NA

LY

SISA

venue K T

ransmission Line


ê EarthhSystems .


2/9/01 PL-05531-01

1009080

.Š70

II~i:60

..i:Q,

~i.50

Q)

i:";40

..QE-

302010

Gravel

I#200

Medium SDnd

Fine SandSilt or C

loy

u.s. Slnndard Sieve

3" 2" 1 1/2" 1" 3/4" 1/2" 3/8"

I#4N

IOO

#8 #10#40

I i

I

TI

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r-N¡ I

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o

1001

0.10.01

10

Grain D

iameter (m

illmeters)

SIEV

E A

NA

LY

SISA

venue K T

ransmission Line

Sam

ple Location: Boring 11cæ

7.5'

Sam

ple Description: S

ilty Fine S

and (SM

)


C E

arth Systems ..',


2/9/01 PL-05531-01

1009080

.Š70

II~il60

..i:Q,

~i.50

Q,

~~40

..0~302010

Gravel

IH

200

Medium Sand

Fine SandSili or C

luy

U.s. S

tandard Sievc

3" 2" i 112" i" 3/4" 112" 3/8"

IH4

H8 H

10H

40H

IOO

I ! :I

II

i

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o1001

0,10.01

10

Grain D

iameter (m

ilimeters)

SIE

VE

AN

ALY

SIS

Avenue K

Transm

ission Line

Sam

ple Location: Boring 12(g7.5'

Sam

ple Description: F

ine Sandy S

il (ML)


C ~

:~:~

~~

~S

~:~

f:rnia2/9101 PL-05531-01

1009080

~70

.SII~~60

..i:Q¡

(,i.50

Q,

~"a40

..0~302010

Gravel

IH

200

Medium

SandFine Sand

Silt or C

láy

U.s. S

tandard Sicve

3" 2" 1 112" 1" 3/4" 112" SIB"

IH

4H

IOO

HB

HIO

H40

: i i

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10010

10.1

0.01

Grain D

iameter (m

ilimeters)

SIE

VE

AN

ALY

SIS

Avenue K

Transm

ission Line


o ~:~:~e~~S~:Wf:-r-ni~--

2/9/01 PL-05531-01

Sam

ple Location: Boring 15~

7,5'

Sam

ple Description: F

ine Sandy S

ilt (ML)

1009080

'e70

.SII~~60

-=Q)

~i.50

Q,

ilta40

..0~302010

Grave)

IH

200

Medium

SandFine Sand

Silt or Clay

U.S. Standard Sieve

3" 2" 1 1/2" I" 3/4" 112" 318"

IH4

HIO

OH

8noH

40

i

!

I ~~II ¡ I

ii

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10010

10,1

0,01

Grain D

iameter (nnllm

eters)S

IEV

E A

NA

LYS

IS

Sam

ple Location: Boring 17(f5'

Sam

ple Description: S

ilty Fine to M

edium S

and (SM

)

Avenue K

Transm

ission Line


ê Earth Systems.


2/9/01 PL-05531-01

9080

bJ70

.SII""~

60~=Q

,~i.

50Q

,

~'¡40

..0~30

3"100 ;

,:

-IIIi ¡I !

i :

, !

i

I.1: I!

2010o

100

iI

2" 11/2"

Ir

I

I

II

ii

I

II

iiiII

ii

,

iIi

I!

iI!I,Ii

I

GravelI

" 314" 1/" 318"

IS4

S8 H

lO

Meùium Sand

u.s. Slnndnrd Sieve

N-li I . .1'

.... '. ..~

, i

I\l.. - .

,iIi¡iiìIi

IiiiiIiIIII

IiI

, iI ii r III ii I I

II I,iii

10

#40

Fine SandS

ilt or Cloy

SIOO

I#200

I1

Grain D

iameter (m

illmeters)

Sam

ple Location: Boring 20(§5'

Sam

ple Description: S

lightly Silty F

ine to Coarse S

and (SP

)

i\ii\ r!\Ì\\\

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.

;:;

i

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ri

¡

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SIE

VE

AN

ALY

SIS

Avenue K

Transm

ission Line


C l:arth!ty~

tems -

-= Southern California

2/9/01 PL-05531-01

Gravel

3"2" 11/2"

1" 3/4"

100

iI

90I

-.J ¡i

iI

80i I

I

. i

I

iI

.SO70

: I

iI

iI

II

Ii

~~60

I. !

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i

I

=i

Q,

it)

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50

I

Q)

i~3

40I

0

I

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,

i30

;

i

I

;

2010I

¡

i

¡ i,

I0

100

112" 318"

i i i I

IIii

i:

I I10

Sample location: Bonng 21(§2'

Sam

ple Description: F

ine Sandy C

lay with S

ilt (CL)

I#4H

Bno

Medium

Sand

U.s. S

lEE

ndarti Sieve

Fine Sand

#,10

Sili or Clay

#100!

#200

Grain D

iameter (m

illmeters)

i ~~

i it i ~ ,.

i 1"1 ! iI \I¡~

!:\

1

i

i;

;;:,

,;¡,!Ii;

;,Ii

¡

,,

0,10,01

SIEV

E A

NA

LY

SISA

venue K T

ransmission Line

lancaster, California

~ Earth Systems


2/9/01 PL-05531-01

\iINtJO::llv:) NtJ3HinOS Sv-31S,-S HltJ\i3

s;;lBId ud!s;;Q

J xxGN:tddV

10-1 £ÇÇO-ld100Z '6 ÁJBruqdd

I.".I

~f-

ïïïï~:::::::Tïïï::::::::Tïir::=:Ti-ii::::::=ïiïr:::::::lïïT::::::::..-.....III/ . 1111 1111

IIII

IyI

,

I

t....-..-....,....-......-n-..-......-i-I i

.....,.......................-.

,

f......,.........-....-.............-..¡

----

l~crh~1

O"h (ksf) = 0.039 H

Notes:1) O'h = horizontal earth pressure acting on temporary internaly braced

flexible wal, H = total depth of excavation (ft).

2) The above analysis was based on the assumption that the wal is a yielding,flexible wal. Factors of Saftey were not incorporated into the above analysis.

3) No heavy equipment loads or surcharge loads should be alowed within a

horizontal distance measured from the top of the excavation slope, equal tothe depth of the excavation.

4) Braces may be either long rakig braces or relativly short horizontalcross braces between trench wals.

PLATE C-IAvenue K Transmission Line - Phase I


ie' Eart Systems ~ Southern Caliornia

02/09/2001 I PL-05531-01

..I.,,

~I

iTïï~::::=:ïïT¡-:::::::nïï:::::::::ïïï~=:=ïïïr:::::::ïïTï~::::::~-'''.--=1111 111/ 1III1III

I''r

,

I

i:..._....,..--_..................--...Li

.................................

I , f...........:--................,....¡

I-- cr h -.1

crh (ksf) = 0.029 H

Notes:1) (Jh= horizontal earth pressure acting on temporary internaly braced


2) The above analysis was based on the assumption that the wal is a yielding,flexible wal. Factors of Saftey were not incorporated into the above analysis.



4) Braces may be either long raking braces or relativly short horizontalcross braces between trench wals,

PLATE C-liAvenue K Transmission Line - Phase II


o Eart Systems ,. Sout~e.rn California

02/09/2001 I PL-05531-01

i

I

f-I

ïïïï~:::::::--ïïr::::::ïïïï:::::::::ïïïï::::::::ïïïT:::::::ïïïr:::::::--"'--'-=1111 " " IIII .1III

I

I

,

I

t.--...._--..--...__.._.....--.--..,.li i

..,......,.,..................

I

~..--......_...,........_._..,..--.....¡

1-. cr h ~ I

ITh (ksf) = 0.029 H

Notes:1) O'h = horizontal earth pressure acting on temporary internaly braced


2) The above analysis was based on the assumption that the wal is a yielding,flexible wal. Factors of Baftey were not incorporated into the above analysis.



4) Braces may be either long raking braces or relativly short horizontalcross braces between trench wals.

PLATE C-IIIAvenue K Transmission Line - Phase III


o Eart Systems ~. Southern Caliornia

02/09/2001 I PL-05531-01

I

I

, -~

~

ïïiT:==:lïï=:::Tïï¡:::::=::i-i-r::::::iïïT:::::::~iTii==:::....._...=1111 1111 111111I1

I

It-

~

t.--..-..----..-.................,~i '

..............-................

I i ~...._.................................,r

-

.k-

_. .-.-

I~ Gh-"I

crh (ksf) = 0.025 H

Notes:1) ()h = horizontal earth pressure acting on temporary internaly braced


2) The above analysis was based on the assumption that the wal is a yielding,flexible wal. Factors of Saftey were not incorporatedinto the above analysis.

3) No heavy equipment loads or surcharge loads should be alowed within ahorizontal distance measured from the top of the excavation slope, equal tothe depth of the excavation.

4) Braces may be either long raking braces or relativly short horizontal 'cross braces between trench wals.

PLATE C-IVAvenue K Transmission Line - Phase IV


Q Eart Systems -- Southern Caliornia

02/09/2001 I PL-05531-01

'ïINè:O::ll'ïJ Nè:3HinOS SVIJ1SAS Hlè:'ï3

Ápnis ÁirArSOl10J EOS

G XIGN::JJV

IO-I£ÇÇO-ld IOOZ '6 Á.reruq~d

M,J, SCHIFF & ASSOCIATES, INC,

Consulting Corrosion Engineers - Since 1959

1308 Monte Vista Avenue, #6Upland, CA 91786

Phone: 909,931.1360 I Fax: 909.931.1361E-mail: mjsa(0mjs-a.com

http://ww.mjs-a.com

February 12,2001

EARTH SYSTEMS1024 West Avenue M-4Pa1mdale, Californa 93551

Attention:Mr" Bruce A. Hick

Re: Soil Corrosivity StudyA venue K Transmission Line

Lancaster, CalifornaYour # PL-0553 1-01; MJS&A #01-0081HQ

INTRODUCTION

Laboratory tests have been completed on ten soil samples we selected ÍÌom your boring logs ÍÌomthe route of the Avenue K Transmission Pipeline in Lancaster, Californa. The purpose of thesetests was to determe soil corrosivity regarding the proposed steel waterline and concretestructues.

The proposed 36-inchdiameter waterline wil ru about 31,900 feet in Avenue K, ÍÌom 30th StreetWest to 30th Street East. The new pipeline will be installed in four phases and will haveapproximately five feet of cover. The water table is more than 70 feet below grade"

The scope of this study is limted to a determnation of soil corrosivity and general corrosion controlrecommendations for materials planed for construction. If the engineers desire more specificinformation, designs, specifications, or review of design, we wil be happy to work with them as aseparate phase of this project.

," TEST PROCEDURES

The electrical resistivity of each sample was measured in a soil box per ASTM 057 in its as-received condition and again after saturation with distilled water. Resistivities are at about theirlowest value when the soil is saturated. The pH of the saturated samples was measured. 5:1 water:soil extract ÍÌom each sample was chemically analyzed for the major soluble salts commonly foundin soils and for ammonium and hitrate. Test results are shown on Table 1.

CORROSION AND CATHODIC PROTECTION ENGINEERING SERVICESPLANS & SPECIFICATIONS. F AlLURE ANALYSIS. EXPERT WITNESS. CORROSIVITY AND DAMAGE ASSESSMENTS

EARTH SYSTEMS CONSULTANTSMJS&A #01-0081HQ

February 12,2001Page 2

SOIL CORROSIVITY

A major factor in determining soil corrosivity is electrical resistivity. The electrical resistivity of asoil is a measure of its resistance to the flow of electrical current. Corrosion of buried metal is anelectrochemical process in which the amount of metal loss due to corrosion is directly proportionalto the flow of electrical current (DC) from the metal into the soiL. Corrosion currents, followingOhm's Law, are inversely proportional to soil resistivity. Lower electrical resistivities result ÍÌomhigher moisture and chemical contents and indicate corrosive soiL.

A correlation between electrical resistivity and corrosivity toward ferrous metals is:

Soil Resistivityin ohm-centimeters

over2,000 to1,000 to

below

10,00010,0002,0001,000

Corrosivity Category

mildly corrosivemoderately corrosivecorrosiveseverely corrosive

Other soil charcteristics that may influence corrosivity towards metals are pH, chemical content,soil types, aeration, anaerobic conditions, and site drainage"

Electrical resistivities were in the mildly corrosive category with as-received moisture" Whensaturated, the resistivities were in moderately corrosive, corrosive and severely corrosive categories.

Soil pH values vared ÍÌom 7.4 to 8.6" This range is mildly to strongly alkaline and does notparicularly increase soil corrosivity.

The soluble salt content of the samples was moderate at boring 30 and low in the other borings" Noconcentration was high enough to be of paricular concem"

The nitrate concentration was high enough to be corrosive to copper.

Tests were not made for sulfide and negative oxidation-reduction (redox) potential because thesesamples did not exhibit characteristics typically associated with these conditions.

This soil is classified as severely corrosive to ferrous metals, aggressive to copper, and sulfateattack on concrete as negligible.

CONCLUSIONS

Steel pipeline should have a dielectric coating and cathodic protection, or as an alternative, itshould have a cement mortar coating, In either case, the pipeline should have welded or bondedjoints, insulated joints where connecting to metallic piping and structures, and test stations forcorrosion monitoring" .


Februar 12,2001

Page 3

RECOMMENDATIONS FOR STEEL PIPELINE WITH DIELECTRIC COATING

1. Steel pipe should be coated with coal tar enamel per A WW A C203, fusion-bonded epoxy perA WW A C213, a tape wrap per A WW A 214, or extruded polyethylene per A WW A C215.

2. Buried steel and iron pipe, fittings, and valves in appurtenances, such as air valves and

b10woffs, should be coated with a material listed above or with coal tar epoxy, wax tape,moldable sealant, or equivalent. If copper is used, electrically insulate it from the steel withan insulating joint or with a dielectric coating"

3. Prevent steel pipe from contacting concrete and/or reinforcing steel, such as at thrst blocksand wall penetrations, with such items as plastic sleeves, rubber seals, or 20 mil plastic tape.

4. Bond pipe joints for electricaL. continuity by means of three steel bond rods welded betweenthe bell and the spigot.

5. Install insulated joints at all connections to existing metallic piping. Insulated joints shouldbe placed above grade or in vaults where possible. Install an insulated joint test station at allburied or otherwise inaccessible insulated joints.

6. Install corrosion monitoring test stations at each end of the pipeline, where cathodically

protected lines cross, at one end of any casings, and other locations as necessary so theinterval between test stations does not exceed 1,500 feet. Pipeline test stations should use a#12 and #8 or larger wire with type THWN insulation. Independently weld each wire to thepipe" For test stations at casings, weld two additional \vires of a different size, foridentification, to the casing"

7. Install cathodic protection.

8. Preliminary construction drawings should be reviewed by a qualified corrosion engineer toinsure that corrosion control is properly designed.

9. The pipeline should be tested to insure that the joint bonds, insulated joints, and test stationsare effective after the pipeline is backfilled, but before the construction contract is completed.Also, native or baseline pipe-to-soi1 potentials should be measured and recorded. These datawil be useful in determining if pipeline conditions change in the futue. Test the cathodic

protection system.

10. Pipe-to-soi1 potentials should be measured annually to confirm that cathodic protection isadequate.

RECOMMENDATIONS FOR STEEL PIPELINE WITH CEMENT-MORTAR COATING

1" Steel pipe with a cement-mortar coating per A WW A Standard C-205 requires no additionalprotection. Any type of cement may be used.

2. Buried steel and iron pipe and fittings in appurtenance$ such as air valves and blowoffs

should be cement-mortar coated or concrete or cement slurry encased where possible"Otherwise, they should be coated with wax tape after assembly.

3. Bond pipe joints for electrical continuity by means of two steel bonding clips weldedbetween the bell and the spigot and coated with cement-mortar.


February 12,2001Page 4

4. Install insulatedjoints at all connections to existing metallic piping. Insulated joints should

be placed above grade or in vaults where possible. Install an insulated joint type test stationat all buried or otherwise inaccessible insulated joints.

5. Install corrosion monitoring test stations at each end of the pipeline, at one end of anycasings, where any cathodic protected lines cross and other locations as necessary so theinterval between test stations does not exceed 1,500 feet. Pipeline test stations should use a#12 and #6 or larger wire with type THWN insulation. Independently weld each wire to thepipe, For test stations at casings, weld two additional wires of a different size, foridentification, to the casing"

6. To insure that corrosion control is properly designed, a qualified corrosion engineer should

review preliminary construction drawings.

7. After the pipeline is backfilled, but before the construction contract is completed, the pipeline

should be tested to insure that the joint bonds, insulating joints, and test stations are effective.Also, native pipe-to-soil potentials should be measured and recorded. . These data will beuseful in determining if pipeline conditions change in the future.

8. Pipe-to-soil potentials should be measured biannually to determine if conditions on thepipeline are changing"

RECOMMENDATIONS FOR CONCRETE STRUCTURES

1" Any type of cement may be used for concrete structures and pipe because the sulfateconcentration is negligible, 0 to 0.1 percent, per 1997 Uniform Building Code (UBC) Table19-A-4 and American Concrete Institute (ACI-318) Table 4"3.1. .

3. Standard concrete cover over reinforcing steel may be used for concrete structures and pipe incontact with these soils.

CLOSURE

Our services have been performed with the usual thoroughness and competence of the

engineering profession. No other warranty or representation, either expressed or implied, isincluded or intended.

Please call if you have any questions"

Respectfully Submitted,M.J. SCHIFF & ASSOClA TES, INe.

f\

i.~ \"" . \¡ \\ ~(ÃL',--(\)~HÄ.drneh A. AvakanEne": Table 1

Reviewed by, ~l;tV J. ./~/¡:r/?ite ~.

~

M. J. Schiff & Associates, Ioc,Consultng Corrosion Engineers - Since 1959

Sample ID

.._-.~-.,. ~.__., ". ......--'....-._.,~.~ ;.~, ,~. . ,,_,c :.-~:'. .'. i._ ..' ~. ,"' ...,~: ..~'. _ :

Resistivityas-receivedsaturated

pH

Electrical

Conductivity

Chemical Analyses

Cationscalcium

magnesium

sodium

Anionscarbonate

bicarbonate

chloridesulfate

Other Tests

ammonium

nitrate

sulfide

Redox

1308 Monte Vista Avenue, Suite 6Upland, CA 91786-8224

Phone: 909/931-1360

Table 1 - Laboratory Tests 00 Soil Samples

Ave K transmission Line, Lancaster, CAYour #PL-05531-01, MJS&A #01-0081HQ

2-Feb-OJ

--".

3 5 7 II 17

(i 0-5' (i 0-5' (i 0-5' (i 0-5' (i 0-5'

ML SM ML SM/ML SM,- .. ,. "' ',-, ._.~ "'-~- ."- .." ~"- .' .- . ".. ..- ..... ..',.-." .- ....... "-"'-." '". - ".'. _';:. 0... ~ ',,_; .,;.._.....r.;..\. _,LU' ',.-.--"

Unitsohm-cm 1,700,000 1,500,000 1,400,000 2,050,000 1,350,000o hm-cm 6,900 3,050 5,500 6,500 6,550

7.4 7.6 8.0 8J 8.1

mS/cm 0.06 0.09 0.09 0.08 0.07

Ca2+ mglkg 48 44 56

Ml+ mglkg 10 19 12

N 1+ mglkg ND ND NDa .

C032- mglkg ND ND ND

HC031- mglkg 58 76 168

Cil- mglkg ND 14 11

sot mglkg ND ND ND

NH~I+ mglkg 3.0 1.8 2.7

NO 1- mglkg 2.9 62.7 4.23

s2- qual na na na

52

19

ND

68

7

ND

ND

146

11

ND

ND

180

IIND

2.8

1.6

1.9

2.4

na

na

na

mv na na na na....: '.': ~.. '~""":" ,.. '.-: ~ .~. ": -'....,":: -" --" ,.'I..; ".__ ..:..-';:"'::' .;;:-... ._:...~.-'~.:. "::. :_.~--.:.... _ ..~. _

._...-....,....."..,....".. h ,".,., ,., "0'''._.'- .......- ....- i..... ....;...;...-... .: ,.,., . ,,;,,;.~,:,,;;;'.;": ".:;.' ::'",.::,~~-,::.:. ;-'. .:..:.:~~;;.i..'.;....:.;._-:,;,.~ ._~, '.; : ::..

".,. ,...'-.,1.......,...;- :; -::::o;'.:£..:.;.~.::.'.: ._.... '.'

Electrical conductivity in millisiemens/cm and chemical analysis were made on a 1:5 soil-to-water extract.mg/g = milligrams per kilogram (parts per million) of dry soiL.Redox = oxidation-reduction potential in milivoltsND = not detectedna = not analyzed

Page 1 of2

M. J, Schiff & Associates, Inc.Consulting Corrosion Engineers - Since 1959 1308 Monte Vista Avenue, Suite 6

Upland, CA 91786-8224Phone 909/931.1360

Table 1 - Laboratory Tests on Soil Samples

Ave K transmission Line, Lancaster, CAYour #PL-05531-01, MJS&A #01-0081 HQ

2-Feb-01

Sample ID 21 27 28 30 32(ê 0-5' (ê 0-5' 02 0-5' (ê 0-5' (ê 0-5'

CL/SM ML/SM CL CLiSM CLiSM..

c. ,.. . ._...- ~.__. . . ..-..... -- ." '.,.~ ~" ; .~ -" -.; . ".-.-''''''''

Resistivity Unitsas-received öhm-cm 920,000 2,200,000 2, i 00,000 250,000 2,000,000saturated ohm-em 3,200 3,000 3,500 790 1,950

pH 8.6 8,6 8.1 8A 8.0

Electrical

Conductivity mSI em 0.12 0.13 0.11 OA4 0.18

Chemical Analyses

Cationscalcium Ca2+ mglkg 20 88 92 68 112magnesium Mg2+ mglkg 7 10 15 12 15

sodium Nal+ mglkg 90 73 II 297 NDAnionscarbonate CO/, mglkg 18 6 3 42 NDbicarbonate HC031- mglkg 299 336 272 360 223chloride Cil- mglkg ND 21 11 177 25sulfate SO/ mglkg ND 100 69 241 112

Other Tests

ammonium NH41+ mglkg 2.4 2.7 1. 1. 2.4nitrate NOJ1- mglkg 1.6 9.5 29.1 117.4 79.4sulfide S2- qual na na na na naRedox mv na na na na na"-,.~ .

. ,--.'. '.. ".

Electrical conductivity in milisiemens/cm and chemical analysis were made on a 1:5 soil-to-water extract.mglkg = milligrams per kilogram (parts per million) of dry soiL.Redox = oxidation-reduction potential in milivoltsND = not detectedna = not analyzed

Page 2 of2

February 9,2001 PL-05531-01

APPENDIX E

City of Lancaster Street Repair Guidelines


i

i!. E;ZÎsting ROOdWOY\

:.'...;: .... °t:~ r:".:':.:.. . _. ...:1H11.t1 .t'f~l'j1'1

I

j.. .::,":.': '~': ;,.~ ~.: :'¡ .:-":, to H i- r:; /" -- P1 -: ~ i-:

..

q)~o-'-$

Sedding

Backfill Per£P-2, £P-3,or EP-4

ïemporary A.C. Paement .shcfl be placed per Sec. 306-1.5./ ofthe Stanard 'Specifications for Public Works Construction.

'- TEMPORARY

"..

! .

CITY OF LANCASTERASPHALT REPAIR (TEMPORARY)

//~,?~T..

.,..,

KSAPPROVED

PLANEP-I

3,500 lb, Concrete

(Thickne5s to match(i "existing slob) 12 Bars a~

Existing siaò\ t (.' ".L '.r"'J'" ..:tI.....~ "':"~',..': ...". '.' ; ì :'-1' - ."... ." . ". . . . . . . . .. . . D. ." ". . . .' ~ ." .". D". _ . _ " _" ."..'"...... .1.....:.. ....,........ ...... .....v..... ..-...._.::..:..1::1 J-!! l.. htl¡: , ) ir~'lti..r-=~..

1211 Ii " ~ /811 01 121112 _ars ie -q )"1

Shown

l'

Varie,

~Compac1.d

f Backfil

Backfill NativeMaterial with aSand Equivalentof at least 20,ondto 90 % RelativeCompaction.

e:-..o'-i-

§ NOTE: If StreetCrossing is in on'Asphalt Surface,the ~ncrete shoilbe Colored withCarbon Black.

Line

Compaction Sholl be C~rtified- .

SPECIAL NOTICE:If the ïtench has been Excavated Closer than /211 to the SawedEdge of the Street, the Concrete Sholl be Resowed to provide /2 Itof Und¡~turbed Earth Prior to Paving.

CITY OF LANCASTERPERMANENT REP AIR OF

EXISTING TREETS AND ALLEYS, '"ß D::..rl' . .~.---,e.

PLANEP-2AP PROVED

G-IO

3,0001b, Concrete.. 8" Thickness ~

EXistingA.C,~ \.., '. .' . . ."" . ~ . . ~" "" \" ' , " " " '. .' . .' "'"... .'" , . .." ..... .. . ..' .' ....... ..... ~. . . 4" ......... .: ... .. . ..... ii"..' 4 .. r .. ... .. lI.. - Ii -... '". .." 4".it-IU' I-..' .....~,...,.. .......:...ø........~, ~"- ~~ ¡, i i .: .t J i.. !., !:

iZIt~ ~I

~ BackfiIl NativeMaterialsl with aSand Equivalent ofat least 20, and to

90% Re1ativeCompaction..

¡NeW I!lz" A.C.

.~-.Qo-"-

~

Varil3

~ Compact.d 'r Backfill

~

. .

CONCRETE OPTION ~ I

CITY OF LANCASTERPERMANENT REPAIR OF

EXISTING 'TREETS AND ALLEYS

APPROVED (~_/?ß~ 71':._, :.

PLAN

EP-3r'_' ,

_.._---_....

COLD PLANE (1 1/2" MIN.) AND CONSiRUCTC2-AR4000 A.C. PAVEMENT

(FINAL 1 1 /2~ LIFT SHALL BE MACHINE P A \lD)FOR PERMANENT AS?HAl T REPAIR~ ~~ ~~ ~~ ~V1 8-AR4000 A.C. PWT (/

BASE COURSE IN 2 LIFTS ITO FINISH SURF Act I

.:i. .~ : "--. r'

EXISTlNG A.C. PAVEMENT~AND BASE 12"MIN"

COLDPLANE-:.'--:~'-. '. '. l' ..

. .'., ~ ~~I~III..,III".III~I'

'~ _i. -

~ ~ i~ -I-I

I

=1

I

=1

A.C. COMPACTED IN 2" LIFTSTO 95~ RELATIVE CO~PACTlON.

~INI~U~ OF 4", OR ," GREATERTHAN EXISTING, 12- ~AXJMUf..

~

IIII(J

iiII~

11

fI

ii

I~

Ia

12-MIN.

C C\ DPlAE

EX. A.C. PAVEMENT

-1 THICKNESSd:~11-

VARIES

) CaMP ACTEDBACKFILL

LL .-' a:a: ·~ -ca: w-c a::; ~

PIPE ZONE BEDDING PERST ANDARD SPEOFICA TlQNSFOR PUBUC WOKSCONSTRTION SECT. 306-1.2.1

UTILITY LINE

AREA "A-- 8A SHAl st 1 1/2 SACK SAND SlURRY (NOC(11TiCH REOORED). OR CRUSHED AGGEGATE BASEIF" CRSHD AGGGATE SASE IS USED IT SHAll 8EU£CHAN Y COU ACTED TO 95% RELA TI'Æ COI.P ACTION~"O BE CETIED, (SEE -.- NOTE FOR INTERSECTIONS).

".

I: ~~-'(/

I: ~(/

I:

x~

I: .::N-

I:

I:q

V1Zo¡; .u ,.b! -'

5~~~~

· INTERSECTIONS 'MERE ATLEAST ON LEG AFFECTEDIS A I.AJO OR R£GlONAlARTERIAl

f.IN. 4" PER STANDARDSPECIFICA TlONS FOR PUBLICWOKS CONSTRUCTION stCT.30-1.2"1. ClSS II BASE 090% COMPACTION (SEVÆR ANDSTORt. DRAINS ONLY)

AREA "S" - 8ACKFlLl NA TI'Æ OR II.PORT 1. A TERIAL 'MTH A SAND EQUIVALENTOF AT LEAST 20. ~ECHANICAlL Y CQQPACTED TO 90%RELA TI'Æ CQQP M:1l. (SEE -." NOTE FOR INTERSECTIONS). PL

EP-4em OF LAAS

DEP ARTMENT OF 'PUBUC WOKS

CONSTRUCTION Of UT1UTY TRENCHESIN EXISTING STREETS AND ALLEYS

SUewlTTD

RESION DATE: i.AR 18.199

APPRO'Ær-

I~IIIII

BASE \COMPACTED -TO 95% OF MAXIMUMDRY DENSITY PERASTM 0-1557METHOD A

A,C, PAVEMENT AND BASETO BE INSTALLEDPER STREET PLAN

PIPE ZONE BEDDINGPER STANDARDSPECIFICATIONS FORPUBLIC WORKSCONSTRUCTIONSECT. 306-1,2,1,

~

.c (f: W. .c c:w .c0: ~.c VARIES

lCOMPACiEDrBACKFILL

SUBGRADECOMPACTEDTO 90%PER STREETPLAN

L1 I 1L!¡ I 11-

UTILITY LINE

MIN. 2"PER STANDARDSPECIFICA TlONS FOR

I PUBLIC WORKS

J CONSTRUCTION

: SECT. 306-1.2,1~

I N CLASS IIBASE e 90%

I 11.1I i..¡ COMPACTlON(SEWER AND STORMDRAINS ONLY)

AREA llA" - SUITABLE BACKFILL NATIVE MATERIAL, AS PER STANDARDSPECIFICA TlONS FOR PUBLIC WORKS CONSTRUCTION SECT,306-1.2.1" TO 90% RELATIVE COMPACTION OF THEMAXIMUM DRY DENSITY, PER ASTM 0-1557, METHOD A.

SU8MI

PLANEP-5

CI TY ,OF LAN CASTERDEP ARTMENT OF ,PU8UC WORKS

L-8-92

//APPROVE -/11;(. ) ~~/ II I iy.11b

DIRECTOR OF ~ I~' ..~\(i: / n4. IT

CONSTRUC1l0N OF UTIUTY TRENCHES~ . ~ PRIOR TO STREET CON~TRLJr.TlnN

12" ~in.i .. -.I

'i

I

I

i

I

Remove AC pavement to a depth of 1 1/2"by cold planing. Place and compact 1 1 /2" .AC pavement (C2-AR4000) per the City ofLancaster Street Opening and PcvementRestoration Regulations.

----------I-- i-

6" ~CXO

UTILITY CONDUIT(S)

----------

12" Min.

1- -,I I 12" Uln.

I.. ..1I

i

\

\

\

\i

I

\i

, I

I

,I

PAVEMENT RESTORATION OF ROCK-WHE::~ 'iTRENCHES IN EXISTING STREETS AND AL~::vS

UTILITY CONDUIT(S)

1 1 /2" ~In.

r-iJ.36" 18"Max. Min.

l________I-- i-

6" 1. ox.

, .

fE. New AC Pavement

~ Existing AC Pavement"0

'0

~'.".""'~8.\0' :.-- ;:~':..~

. T.~'._ ".' Existing Crushed Aggregate Base

(~' ;..:.:,.~,:(~'J 1 1/2 Sack pec Sand Slurry

APPROVE

, J-;~ J1J'DATE

PLANEP-6

CITY OF LANCASTERDEPARTMENT 0(" PUBLIC WORKS

EXHIBIT G

DRAFT NEGATIVE DECLARATION

MAILING LIST

AVENUE K TRANSMISSION WATER MAINNEGATIVE DECLARATION

MAILING LIST10/23/08

Mr. Russell FullerGeneral ManagerAntelope Valley East-Kern Water AgencyP.O. Box 3176Quartz Hill, California 93534

Mr. Stefan CajinaCalifornia Department of Public Health1449 West Temple StreetLos Angeles, CA 90026-5698

Mr. Mack HakakianLahontan RegionalWater Quality Control Board14440 Civic Drive, Suite 200Victorvile, CA 92392(760) 241-6583

Mr. Asoka HerathDirector of PlanningCity of Palmdale38306 9th StreetPalmdale, CA 93550(661) 267-5200

Mr. Leon SwainDirector of Public WorksCity of Palmdale38300 North Sierra HighwayPalmdale, CA 93550

Mr. James R. WilliamsDirector of Public WorksCity of Lancaster44933 North Fern AvenueLancaster, CA 93534

Mr. Brian S. LudickeDirector of PlanningCity of Lancaster44933 North Fern AvenueLancaster, CA 93534

Mr. Bruce McClendonDirector of Regional PlanningCounty of Los Angeles320 West Temple StreetLos Angeles, CA 90012(213) 974-6401

Ms. Fannie LoveCommunity Library ManagerLancaster Regional Library601 West Lancaster BoulevardLancaster, CA 93534

Ms. Nancy QuellandLibrary DirectorPalmdale City Library700 East Palmdale Boulevard

Palmdale, CA 93550(661) 267-5600

Ms. Terry RobertsState of CaliforniaOffice of Research and PlanningState Clearing House1400 10th Street, Room 121Sacramento, CA 95814

EXHIT H

RESPONSES TO REVIEW COMMENTS

COUNTY OF LOS ANGELESDEP ARTMENT OF PUBLIC WORKS

"To Enrich Lives Through Effective and Caring Service"

DEAN D. EFSTATHlOU, Acting Director

900 SOUTH FREMONT A VENUEALHAMBRA, CALIFORNIA 9 i 803- i 33\

Telephone: (626) 458-5100http://dpw,lacounty.gov ADDRESS ALL CORRESPONDENCE TO:

P,O, BOX 1460ALHAMBRA, CALIFORNIA 91802-1460

March 26, 2008 IN REPLY PLEASE

REFER TO FILE: WW-2

Ms. Nancy DagleCalifornia Department of Public HealthP.O. Box 997377Sacramento, CA 95899-7377

Dear Ms. Hagle:

LOS ANGELES COUNTY WATERWORKS DISTRICT NO. 40, ANTELOPE VALLEYREGION NO, 04, LANCASTERAVENUE K TRANSMISSION WATER MAIN, PHASES I-IVNEGATIVE DECLARATIONRESPONSE TO COMMENTS

Thank you for your comments to our Initial Study and Negative Declaration for theproposed Avenue K Transmission Water Main project. Per your recommendation, wehave discussed our project scope with Mr. Stefan Cajina of your agency. Mr. Cajinaconcurred with our determination that the proposed project will not increase the watersupply, storage or treatment of our drinking water system and that, therefore, no permitamendment is required.

If you have any further questions or require additional information, please contactMr. Michael Ignatius at (626) 300-3396 or at mignatiu(gdpw.lacounty.gov.

Very truly yours,

DEAN D. EFSTATHIOU

4330JPub'iG Workso ~ADAM ARIKI V

Assistant Deputy DirectorWaterworks Division

MI:dvH:IWWHOMEIDVASQUEZI2008_LETTERSIResponse letter to CDPH,doc

Waterworks Division

,"~~ ~~Ci.PH

State of California-Health and Human Services Agency

California Department of Public Health

MARK 8 HORTON, MD, MSPHDirector

ARNOLD SCHWARZENEGGERGovernor

December 11, 2007

Mr. Michael IgnatiusLos Angeles County WaterworksDistrict 40, Antelope ValleyP.O. Box 1460Alhambra, CA 91802-1460

Dear Mr. Ignatius:

RE: Proposed Negative Declaration for Avenue K Transmission Main, Phases I-IV

Thank you for the opportunity to review the above document. The California Department ofPublic Health (CDPH), Division of Drinking Water and Environmental Management isresponsible for issuing water supply permits administered under the Safe Drinking WaterProgram and may need to issue a new or amended Water supply Permit for the above referencedproject. A project triggers a permit if it includes increases in water supply, storage or treatmentof drinking water. CDPH wil be a responsible agency pursuant to the California EnvironmentalQuality Act (CEQA) and considers the above referenced document as adequate to meet theCD PH CEQA permit requirements,

Please contact the CD PH local district office at (213) 580-5723. If you need assistance with theCDPH requirement for permit application, contact Mr. Stefan Cajina, PE with any questions.

Sincerely,

'/twaj ~Nancy Dagle

Environmental ScientistCDPH Environmental Review Unit

Cc:Project Pile

Stefan Cajina

Division of Drinking Water and Environmental ManagementP.O. Box 997377, MS 7400,1616 Capitol Avenue, 2nd Floor, Sacramento, CA 95899-7377

(916) 449-5577 (916) 449-5575 FaxInternet Address: ww.cdph.ca.qov


"To Enrich Lives Through Effective and Caring SeNice"


900 SOUTH FREMONT AVENUALHARA CALIFORNA 91803-1331

Telephone: (626) 458-5100http:// dpw, Iacounty,gov

ADDRESS ALL CORRSPONDENCE TO:P,O, BOX 1460

ALHARA, CALIFORN 91802-1460April 7, 2008

IN REPLY PLEASE

REFER TO FILE: vv-3

Mr" Mack Hakakian, PGCalifornia Regional Water Quality Control BoardLahontan Region

14440 Civic Drive, Suite 200Victorville, CA 92392

de: SPINDLE, READING, MI

Dear Mr. Hakakian:

LOS ANGELES COUNTY WATERWORKS DISTRICT NO, 40, ANTELOPE VALLEYREGION 4, LANCASTERAVENUE K TRANSMISSION WATER MAIN, PHASES I-IVNEGATIVE DECLARATIONRESPONSE TO COMMENTS

Thank you for your comments to our Initial Study and Negative Declaration (ND) for theproposed Avenue K Transmission Water Main project. Below are our responses to yourcomments. We have marked the specific concerns in your letter and numbered them sowe can better address them, The numbers below match the numbers in the enclosedcopy of your letter.

1. The proposed project consists of installng approximately 32,000 linear feet of a 30-inchto 36-inch-diameter transmission water main below ground, along the paved right of wayof Avenue K in the City of Lancaster. No alteration of drainage patterns or additionof impervious surfaces will result from the installation of this water main as the roadwill be restored to its original condition after construction. Therefore, the principlesof Low Impact Development do not apply to this project.

2. To comply with the National Pollutant Discharge Elimination System permit

requirements and upon award of the project, we will coordinate with the CaliforniaRegional Water Quality Control Board, Lahontan Region, and submit a Notice ofIntent, attain a wastewater discharge identification number, and submit a copy of theapproved Storm Water Pollutant Prevention Plan (SWPPP)" The SWPPP wilinclude Best Management Practices (BMP) for the construction phase of the project.No post construction BMPs will be included as the road will be restored to its originalcondition.

Mr. Mack HakakianApril 7, 2008Page 2

3. The project does not cross nor will it impact areas of known drainages, wetlands,surface Waters of the State, Waters of the U.S. or blue-line streams. Therefore, nofurther measures need to be incorporated into the project.

4. See No.3

5. See NO.2

If you have any further questions or require additional information, please contact

Mr. Michael Ignatius at (626) 300-3396 or at mignatiu~dpw.lacounty.gov.

Very truly yours,

DEAN D. EFSTATHIOUA~ctiQ~\Directo~ of Public Works(k~J ..

~1Z. A'~¡M ARIKI (fAssistant Deputy DirectorWaterworks Division

MI:dvH:IWWHOMEIDVASQUEZ\2008_lETTERSIBackup of ND Response letter.wbk

Enc.

.~~ California Regional Water Quality Control BoardLahontan Region

Linda S. AdamsSecretary for

F:nvirnnmp.ntal Prnter.irm

Victorvile Offce14440 Civic Drive, Suite 200, Victorvile, California 92392

(760) 241-6583. Fax (760) 241-7308http://ww.waterboards.ca.gov/lahontan

Arnold SchwarzeneggerGovernor

December 10, 2007 File: Environmental Doc ReviewLos Angeles County

Michael IgnatiusLos Angeles County Department of Public WorksWaterworks DivisionPost Offce Box 1460

Alhambra, CA 91802-1460

COMMENTS ON THE PROPOSED NEGATIVE DECLARATION FOR INSTALLINGAPPROXIMATELY 32,000 LINEAR FEET OF 30 TO 36 INCH-DIAMETER TRANSMISSIONWATER MAIN ALONG AVENUE "K" FROM 30TH STREET EAST TO 30TH STREET WEST, INTHE CITY OF LANCASTER

California Regional Water Quality Control Board staff (Water Board) has reviewed the abovereferenced project proposal. Our comments are submitted in compliance with CEQAGuidelines §15096, which requires CEQA responsible agencies to specify the scope andcontent of the environmental information germane to their statutory responsibilities and leadagencies to include that information in the environmental document for their project. Thefollowings are our comments in regards to the above-referenced proposed project:

· The site plan for this project does not specifically identify features for the post-construction period that will control stormwater on-site or prevent pollutants from non-point sources from entering and degrading surface or ground waters. The foremostmethod of reducing impacts to watersheds from urban development is "Low ImpactDevelopment" (LID), the goals of which are maintaining a landscape functionallyequivalent to predevelopment hydrologic conditions and minimal generation of non pointsource pollutants. LID results in less surface runoff and potentially less impacts toreceiving waters. Principles of LID include:· Maintaining natural drainage paths and landscape features to slow and filter runoff

and maximize groundwater recharge,· Reducing the impervious cover created by development and the associated

transportation network, and· Managing runoff as close to the source as possible.

We understand that LID development practices that would maintain aquatic values couldalso reduce local infrastructure requirements and maintenance costs, and could benefitair quality, open space, and habitat. Planning tools to implement the above principlesand manuals are available to provide specific guidance regarding LID.

We request you require these principles to be incorporated into the proposed projectdesign. We request natural drainage patterns be maintained to the extent feasible.

California Environmental Protection Agency#r~J Recycled Paper

, Mr, Ignatius - 2 - December 10, 2007

. The project requires development of a Stormwater Pollution Prevention Plan and /

* A NPDES General Construction Stormwater Permit (for residential projects)* A NPDES General Industrial Stormwater Permit (for Commercial projects)

These permits are accessible on the State Board's Homepage(ww.waterboards.ca.gov). Best Management Practices must be used to mitigateproject impacts. The environmental document must describe the mitigation measures orBest Management Practices.

· If the proposed project crosses in areas that contain drainages, wetlands, surface

Waters of the State, Waters of the U,S. or blue-line streams, we request that measuresbe incorporated into the project to avoid such features and provide buffer zones wherepossible. Please inform project proponent to consult with Army Corps of Engineers,Department of Fish and Game, and the Water Board prior to issuing a grading permit.

· If the development of the proposed project is impacting drainages, wetlands, surface

Waters of the State, Waters of the U.S. or blue-line streams, a permit is required to beissued by the SWRCB or Water Board. The required permits may include:

· Discharge of fill material - Clean Water Act (CW A) §401 water qualitycertification for federal waters; or Waste Discharge Requirements for non-federalwaters, and· Land disturbance - CW A §402(p) storm water permit, to include thedevelopment of a Stormwater Pollution Prevention Plan and a NPDES GeneralConstruction Stormwater Permit and/or a NPDES General Industrial StormwaterPermit. These permits are accessible on the State Board's Homepage

(ww.waterboards.ca.gov).

If the project is not subject to federal requirements, activities that involve fill or alterationof surface waters including drainage channels may still be subject to state permittingrequirements. Please see information at the Regional Board web site at:http://ww.waterboards.ca. gov/lahontan/Permitting_ Questions.htm and at

http://ww.waterboards.ca. gov /lahontan/files/general_permits4Iahontan. pdt. Su rfacewaters include, but are not limited to, drainages, streams, washes, ponds, pools orwetlands. Waters of the State or Waters of the U.S. may be permanent or intermittent.Waters of the State may include waters determined to be isolated or otherwise non-jurisdictional by the Army Corps of Engineers,

Mitigation must replace functions and values of water quality impacted. For moreinformation see the Lahontan Region Basin Planhttp://ww.waterboards.ca.qov/lahontan/BPlan/BPlanlndex.htm .

· Please include both pre-construction and post construction stormwater management

and best management practices as part of planning process.

· Please consider and incorporate designs that minimize impervious surfaces, such assurface parking areas, directing runoff onto vegetated areas using curb cuts and rockswales, etc., and infiltrating runoff as close to the source as possible to avoid formingerosion channels. Design features should be incorporated to ensure that runoff is notconcentrated by the proposed project. The project must incorporate measures to

California Environmental Protection Agency

a Recycled Paper

, Mr. Ignatius - 3 - December 10, 2007

ensure that stormwater generated by the project is managed on-site both pre-and postconstruction. Please show on plan drawings the on-site stormwater control measures.

· Please consider development features that span the drainage channels or allow forbroad crossings. Design features of future development should be incorporated toensure that runoff is not concentrated by the proposed project, thereby causing

downstream erosion.

Please note that obtaining a permit and conducting monitoring does not constitute adequatemitigation" Development and implementation of acceptable mitigation is required.

If you have any questions, please contact me at (760) 241-7376, or e-mail me atmha kakia n ~waterboards. ca. gov

Sincerely,

Ilæc//¿¿ga;1

Mack Hakakian, PGEngineering Geologist

MH/rc/CEQA comments/Lancaster Avenue K Transmission Water Main

California Environmental Protection Agency

i! Recycled Paper




900 SOUTH FREMONT AVENUALHARA CALIFORNA 91803-1331

Telephone: (626) 458-5100http://dpw.lacounty,gov

ADDRESS ALL CORRSPONDENCE TO:P,Q, BOX 1460

ALHARA CALIFORNA 91802-1460

IN REPLY PLEASE

REFER TO FILE: WV-3

April 13, 2008de: SPINDLE, READING, MI

Mr. James R. WilliamsDirector of Public WorksCity of Lancaster44933 Fern AvenueLancaster, CA 93534-2461

Dear Mr. Williams:

LOS ANGELES COUNTY WATERWORKS DISTRICT NO, 40, ANTELOPE VALLEYREGION NO, 4, LANCASTERAVENUE K TRANSMISSION MAIN, PHASES I - IVNEGATIVE DECLARATIONRESPONSE TO COMMENTS FROM THE CITY OF LANCASTER

Thank you for your comments to our Initial Study and Negative Declaration (ND) for theproposed Avenue K Transmission Main project. Most of the clarifications andcorrections you noted in your letter have been incorporated into our Initial Study andNegative Declaration documents.

The following requirements will be incorporated in our project plans and specifications toaddress your concerns regarding the project's impacts to the transportation/trafficconditions along Avenue K:

1. Lane closures along Avenue K between 10th Street West and 20th Street Westin the vicinity of the freeway on and off ramps will be restricted to after 7:30 a.m.and before 4 p,m., Monday through Friday. All excavations within a travel lanein this area shall be backfiled and or steel plated during all other times and opento traffic.

2. Installations under the major intersections along Avenue K will be conducted byjacking and boring instead of open-trench excavation to help reduce constructioncongestion at those intersections,

..

Mr. James R. WiliamsApril 13, 2008Page 2

3" Lane closure signs will be posted along the project alignment a few weeks priorto construction commencement so that the traveling public has ample time toplan for an alternate route during construction"

The above measures are reflected in the project's traffic control plans, which arecurrently being reviewed by City of Lancaster staff. In addition, we will require theproject contractor to obtain an Encroachment Permit from the City of Lancaster and tocomply with the City's noise ordinance.

If you have any further questions or require additional information, please contactMr. Michael Ignatius at (626) 300-3396 or at mignatiu~dpw.lacounty.gov.

Very truly yours,

DEAN D. EFSTATHIOU~ctinDf Public Works

(o~ARIKI ~ -- Assistant Deputy DirectorWaterworks Division

MI:dvH:\WNHOME\DV ASQU EZ\2008 _LETTERS\ND _ResponsePalmdale,doc

~Bishop Henry W. HearnsMayor

December 21, 2007Andrew D. VisokeyVice Mayor

Donald L. WolfeDirector of Public WorksCounty of Los Angeles Deparment of Public Works900 South Fremont AvenueAlhambra, California 91803-1331

Jim JeffraCouncil Member

Ed Sileo

Council Member

Re:Los Angeles County Waterworks District No. 40, LancasterAvenue K Transmission Water Main Draft Negative Declarationand Initial Study

Ronald D, SmithCouncil Member

Robert S. LaSalaCity Manager

Dear Mr. Woife:

Thank you for the opportunity to review and comment on the Avenue K Transmission MainDraft Negative Declaration and Initial Study. The Lancaster Public Works Deparmentbelieves this is a critical project for the waterworks system within the City. Please find belowthe Department's comments on the documents.

Generally, the City agrees with the document but strongly believes that section XVTRANSPORTATION/TRAFFIC requires a more detailed review regarding the impact ofclosing a lane or lanes of traffic during construction" Avenue K is one of the most heavilytravelled thoroughfares in the City, especially between 30th Street West and 15th Street East.The most recent traffic volume counts obtained in May 2007 indicate there are approximately28,200 ADT on this stretch of Avenue K and the travelling public wil be significantlyimpacted during construction. If the contractor is allowed to work at night, there could beother traffic related impacts.

The balance of Public Works comments are minor clarifications/corrections. First, the projectwil fall under the jurisdiction of the Antelope Valley Air Quality Management District, notthe South Coast Air Quality Management District as indicated on Page 2 of the Initial Study.On Page 5, section VI the consultant, Earth Systems, is incorrectly referred to as EarhSciences" Any traffic control plans wil need to be reviewed and approved by the City ofLancaster Traffc Division. Finally, the contractor wil be required to comply with the City ofLancaster noise ordinance rather than the County noise ordinance.

, , It is requested that these comments be reviewed and incorporated into the initial Study andenvironmental documents, Should you have any questions, please contact Mr. Steve Dassler at(661) 723-6088.

Thank you again for the opportunity to review and comment on this important project.

Sincerely,

~~;;~ ~es R. Wiliams, PEDirector of Public Works

SD:lcs

44933 Fern Avenue · Lancaster, California 93534-2461 . (661) 723-6000 . www.cityoflancasterca.org



DEAN D. EFSTATHIOU. Acting Director

900 SOUTH FREMONT A VENUEALHAMBRA. CALIFORNIA 9 i 803- i 331

Telephone: (626) 458-5100http://dpw,lacounty,gov

ADDRESS ALL CORRSPONDENCE TO:P.O. BOX 1460

ALHAMBRA, CALIFORNIA 91802-1460

IN REPLY PLEASE

REFER TO FILE: WW-2

April 22, 2008

de: SPINDLE, READING, MI

Mr. Dave SingletonNative American Heritage Commission915 Capitol Mall, Room 364Sacramento, CA 95814

Dear Mr" Singleton:

LOS ANGELES COUNTY WATERWORKS DISTRICT NO. 40, ANTELOPE VALLEYREGION NO.4, LANCASTERAVENUE K TRANSMISSION WATER MAIN, PHASES I-IVNEGATIVE DECLARATIONRESPONSE TO COMMENTS

Thank you for your comments to our Initial Study and Negative Declaration (ND) for theproposed Avenue K Transmission Water Main project. Below are our responses to yourcomments, some of which have been addressed in the draft Negative Declaration. Wehave marked the specific concerns in your letter and numbered them so we can betteraddress them. The numbers below match the numbers in the enclosed copy of yourletter.

1" A Cultural Resources Records Search Quick Check was conducted for the subjectproject by the South Central Coastal Information Center located at the University ofCalifornia, Los Angeles (UCLA), Institute of Archaeology. Their findings indicatedthat the project area has not been fully surveyed by a professional archaeologist

and that cultural resources are likely to be in the area. Consequently, they

recommended a Phase I Archaeologist Study be performed for the project area" Acopy of the Quick Check is enclosed for your information.

Mr. Dave SingletonApril 22, 2008Page 2

2. A Phase I Archaeological Study of the project area was performed inDecember 2000 by the Historical Environmental Archaeological Research Team.The study found no prehistoric or historic cultural resource remains in the projectarea. The study did not identify any foreseeable impact to cultural resources as aresult of the project but mitigation provision will be outlined in the contract

documents for identification and evaluation of discovered archaeological resources.A copy of the Phase i Archaeological Study Report is enclosed for your information.

3, Per recommendations in your letter, your agency performed a Sacred Lands Filesearch on April 14, 2008, which revealed no Native American cultural resources inthe immediate project area. A copy of the letter from your agency detailing therecord search and recommendations is enclosed for your information.

4. In accordance with California Environmental Quality Act (CEQA) Guidelines,

Section 15064.5(f) and in the event that historical or archaeological resources areencountered during construction, the contract documents will have provision tocease all construction activities as well as follow the recommendations outlined inthe enclosed Phase I Archaeological Study to evaluate the discovered resources.

5. In the event that human remains are encountered during the course of construction,all construction activities in the vicinity of the discovery will be halted and theLos Angeles County Coroner will be notified. If the coroner determines that theremains are those of Native American ancestry, the Native American Heritage

Commission (NAHC) shall be notified by telephone within 24 hours. PublicResources Code Sections 5097.94 and 5097.98 procedures shall be followed afternotification of the NAHC. No work will be initiated until the issue has been properlyaddressed.

6. See note NO.5 above.

7, Since our research during the project planning revealed no cultural resources within

the project area, avoidance as defined in Section 15370 of the CEQA Guidelines,was not applicable for this project. However, in the event a resource isencountered, the measures described in note No" 5 will be applied.

Mr. Dave SingletonApril 22, 2008Page 3

If you have any further questions or require additional information, please contactMr. Michael Ignatius at (626) 300-3396 or at mignatiu~dpw.lacounty.gov.

Very truly yours,

DEAN D. EFSTATHIOU

¿) Direct r of 7:¡:,Fòòè ADAM ARIKI . '/~ Assistant Deputy Director

Waterworks Division

MI:lrEH001

Enc.

. ,STATE OF CAliFORNIAArnold SchwarzeneoCler Governor

NA TIVE AMERICAN HERITAGE COMMISSION915 CAPITOL MALL, ROOM 364SACRAiiNTO, CA 95814(916) 653-6251Fax (916) 657-5390Web Site ww.nahc.ca.gove-mail: ds_nahc~pacbell.net

December 7, 2007

Mr. Michaellgnatiu5LOS ANGELES DEPARTMENT OF UBLIC WORKS, WATERWORKS DIVISION-DISTRICT 40p,o, BOX 1460ALHAMBRA, CA 91802-1450

Re: SCH#2007111107: CEQA Notice of Completion: AVENUE K TRANSMISSION WATER MAIN. PHASE I-IV:Lancaster: District No. 40: Los Anoetes County. California

Dear Mr. Ignatius:

The Native American Heritage Commission is the state agency designated to protect California's NativeAmerican Cultural Resource. The California Environmental Quality Act (CEQA) requires that any project thatcauses a substantial adverse change in the signifcance of an historical resource, that includes archaeologicalresources, is a 'significant effect' requiring the preparation of an Environmental Impact Report (EIR) per CEQAguidelines § 15064.5(b)(c), In order to comppy wit this provision, the lead agency is required to assess whether theproject will have an adverse impact on these resource wiin the 'area of potential effect (APE)', and if so, to mitigatethat effect To adequately assess the project-related impact on historical resources, the Commission recommendsthe following action:

/. -J Contact the appropriate California Historic Resources Information Center (CHRIS). Contact information for the

Information Center nearest you is available from the State Office of Historic Preservation (916/653-7278)/http://w.ohp.parks.ca.aov/1068/fles/lC%20Roster.pdf The record search will determine:· If a part or the entire APE has been previously surveyed for cultural resources.

· If any known ctltural resources have already been recorded in or adjacent to the APE,

· If the probabilit is low, moderate, or high that cultural resources are located in the APE,

. If a survey is required to determine whether previously unrecorded cultural resources are present.2, -J If an archaeological inventory survey is required, the final stage is the preparation of a profesional report detailing

the findings and recommendations of the recrds search and field survey.· The final report containing site forms, site significance, and mitgation measurers should be submitted

immediately to the ppanning departent. All information regarding site locations, Native American humanremains, and associated funerary object should be in a separate confidential addendum, and not be madeavailable for pubic disclosure,

· The final wrien report should be submitted wiin 3 months after work has been completed to the appropriate

regional archaeological Information Center.:). -J Contact the Nate American Herige Commission (NAHC) for:

. A Sacred Lands File (SLF) search of the project area and information on trbal contact in the projectvicinity that may have additonal cultral resource information. Please provide this offce with the followingcion format to assist with the Sacred Lands File search request: USGS 7.5-minute ouadranple citationwi name. towshiD. ranae and secton: '

The NAC advises the use of Natve American Monitors to ensure proper identication and care given culturRIresource that may be discovered. The NAHC recommends that contct be made wit Native AmericanContact on the attched lis to get their inpu on potential projec impact (APE). In some caes, the existence ofa Natie American cultural resource may be known onl to a locl trbé(s).

4. -J Lack of surface evidence of archeologcal resource do not precJude their subsurfce existence.K Lead agencies should include in their mitgation ppan provisions for the identification and ev~lIuation of

accdentally discovered archeologîcsl resource, per California Environmental Qualit Act (CEQA) §15064,5 (t).In areas of idØntified arctaeoogica sensvit, a cetted archaeoogist and a culrally affliated NativeAmerican, wit knowedg in cultral reurces, should monitr all ground-isturbng actities,

· Lead agencies should include in their mitgation plan provisions for the dispoiton of recovered artfact, inconsulttion wi ctltrally afliat Nate Americans.

s: -J Lead agencies shOuld include provisions for discovery of Natie Amrican human remains or unmarked cemeteriesin their mitgation plans. ....

~ CEQA Guidelines, Secton t506.5(d) (equir~ the lead agency tòworlwi the Natie Americans identifiedby this Commision if the inital Stdy identies the preSence or likely presence of Natie American humanremains within the APE. CEQA Guidelines provide for agreements wi Natie American, idimtifiéd by the

NAHC, to assure the appropriate and dignified treatment of Natie American human remains and any associatedgrave liens.

b. ., Health and Safety Code §7050,5, Public Resources Code §5097,98 and Sec, §15064,5 (d) of the CEQA

Guidelines mandate procedures to be followed in the event of an accidental discovery of any human remains in alocation other than a dedicated cemetery,

7. ., Lead aaencies should consider avoidace. as defined in ~ 15370 of the CEQA Guidelines. when sianificant culturalresource are discoered durina the course of project plannina and implementation

Please feel fr e to contact me at (916) 653-51 if you have any questions.

Attachment: List of Native American Contcts

Cc: State Clearinghouse

San Fernando Band of Mission IndiansJohn Valenzuela, ChairpersonP.O. Box 221838Newhall , CA 91322tsen2u(êmsn.com

(661) 753-9833 Ofice(760) 885-0955 Cell(760) 949-1604 Fax

..Clive American ContctsLos Angeles CountDecember 7, 20

Charles Cooke32835 Santiago RoadActon , CA 93510(661) 269-1422(661) 733-1812

ChumashFernandenoTataviamKitanemuk

Beverly Salazar Folkes1931 Shadybrook DriveThousand Oaks , CA 91362805 492-7255

ChumashTataviamFernandeño

Fernandeno Tataviam Band of Mission IndiansRandy Guzman-Folkes, CulturalÆnviron Depart601 South Brand Boulevard, Suite 102 FernandenoSan Fernando , CA 91340 Tataviamced êtataviam.or:_(818) 837-0794 Ofice(805) 501-5279 Cell(818) 837-0796 Fax

LA City/County Native American Indian CommRon Andrade, Director3175 West 6th Street, Rm. 403Los Angeles , CA 90020(213) 351-5324(213) 386-3995 FAX

This list is current only as of the date of this document

Distribution of this list doe not relieve any peson of statuory responsibilty as define in Seion 705.5 of the Helth andSafety Code, Setion 507.94 of the Public Resurces Code and Seion 507"98 of the Public Resurce Coe.

This list is only applicable for contang lo Nave Ameican with regard to cultural resurce for the proposedSCH#1112; CEQA Noti of CornleiQn; Neate Deration of th Avenue K Transmission Main, Phase I-iV;Los Ang Count Dertment of Public Works, Waterworks Division; Los Angeles County, Californiaa.

FernandeñoTataviamSerranoVanyumeKitanemuk

~.r~~South Central Coastal Information CenterCalifornia Historical Resources Information System

UCLA Institute of ArchaeologyA163 Fowler Building

Los Angeles, Californa 90095-1510(310) 825-1980 / FAX (310) 206-4723 / sccic(qucla.edu

~\ \ \J . \ j\..\ .

Los AngelesOrangeVentura

Cultural Resources Records SearchQuick CheckLead Agency: Los Angeles County, DPW, Waterworks Division

PermitProject #: Avenue K Watermain Date: October 25, 1999

Case Planer: An Hoang USGS Quad: Lancaster East 7.5 min and Lancaster West 7.5 min

Brief Project Description: Installation of approximately 21,300 ft of a 36 inch diameter pipeline along Avenue

K from 10th St. West to 30th St. East

* UCLA ARCHAEOLOGICAL INFORMATION CENTER INITIAL RECORDS SEARCH

/ / The project area has been (fully) (parially) surveyed by a professional archaeologist and no cultural

resources were found.

/ / The project area has been (fully) (partially) surveyed by a professional archaeologist and cultural

resources were found.

IX The project area has not been (fully) surveyed by a professional archaeologist but ~ultural resources arelikely to be in the area,

/ / The project area has not been (fully) sureyed by a professional archaeologist and cultural resources are

not likely to be in the area.

RECOMMENDATIONS'.

IX A Phase I * archaeological survey should be done by a professional archaeologist prior to approval ofproject plans.

/ / A Phase II * * testing program for determination of significance.

/ / A professional archaeologist should be retained to monitor any earh moving operations.

/ / No archaeological work is needed prior to approval of the project plans" However, a halt-work condition

should be in place in the event that cultural resources are discovered during construction.

COMMENTS

Our records indicate that the proposed project area has not been completely surveyed, There have been

two surveys conducted along small portions of Avenue K in which historic resources were f.Qmd. Because

these limited sureys are more than five years old and considered out of date by State standards in addition to

known historic resources within the area, our office recommends that a Phase I archaeological survey be

conducted by an archaeologist prior to any ground disturbance. If you have any questions concerning our

comments or recommendations, please feel free to contact our office at (310) 825-1980.

. .~~'~

* * This Quick Check does not cover cultural heritage sites, either listed or pending, such as historic buildings or

points of interest.

* * Phase I surey and Phase II testing includes a co plete records search, field evaluation, and a final reportwith results and recommendations.

Date Completed: October 25, 1999 Signature:

Letter attached I /

Invoice 8138

, '" ,

;-' ...

".-

, .

A Phase 1 Archaeological Study ForDesign Services Los Angeles County Waterworks District No. 40

31,000 Feet Of New Transmission Pipeline AlongA venue K Transmission Main Phases I, II, III, and IVAntelope Valley, County of Los Angeles, California

Prepared and submitted to:

BrockmeierConsulting Engineersi Inc.1304 Olympic Boulevard

Santa Monicai California 90404-3726

Phone: 310-450-2879 - Fax: 310-450-9127

Prepared and submitted by:

Robert J. WlodarskiPrincipal Investigator

Historical, Environmental/ Archaeological/ Research Team8701 Lava P1acei West Hilsi California 91304-2126

Phone/Fax: 818-340-6676 - E-mail: robanneiQix.netcom.com

Decemberi 2000

Executive SummaryAt the request of Brockmeier, Consulting Engineers, Inc. of Santa Monica, California, A Phase 1,-\rchaeological Study was prepared for an environmental document in support of Design ServicesLos Angeles County Waterworks District No. 40, 31,000 Feet Of New Transmission Pipeline AlongAvenue K Transmission Main Phases I, II, III, and IV, Antelope Valley, County of Los Angeles,California. This document was intended to:*

Assist the client in achieving compliance with federal, state and county laws and policiesregulating the performance of cultural resource studies in the County of Los Angeles"Integrate data obtained through a records search phase conducted by the South CentralCoastal Information Center, California State University, Fullerton, Department ofAnthopology, Fullerton, California (Appendix A).Research additional historical maps and studies pertaining to the project area.Perform an on-foot field reconnaissance for the 31,000 feet of proposed TransmissionPipeline along A venue K. The survey area wil consist of the paved street and a buffer of 15feet (4.5 meters) on either side and at either end of the alignment. Proposed project impactsare projected to occur within existin~ paved street right-of-way"Prepare a report documenting the results of the records search and field reconnaissanceproject phases which complies with appropriate federal and state cultural resourcelegislative enactments.Provide recommendations for alleviating adverse impacts to cultural resources encounteredduring the course of the records search and field reconnaissance project phases.

*

*

*

*

*

The project involves the construction of a new 31,000 feet long (9,300 meters) of new transmissioniipeline along Avenue K in Lancaster, California" The project follows the existing street (AvenueK) from 30th Street West (formng the western project terminus) to 30th Street East (forming theeastern project terminus). The proposed alignment wil essentially follow Avenue K in aneast-west direction, lying on both sides of Highway 14, with the placement of the pipeline withinthe existing road alignment. The survey area wil consist of the paved street and an additionalbuffer of 15 feet (4.5 meters) on either side and at either end of the alignment. Elevations withinthe right-of-way range from 2385 on the west, to 2424 on the east. Proposed project impacts will beconfined to previously modified and disturbed areas within existing roadway.

The results of the records search phase indicated that:

* No prehistoric archaeological sites or isolates are identified within the project area.* Two historic archaeological sites (19-001526 and 19-001527) have ben identified within fifty

feet of A venue K, on the south side of the road between 20th Street and 30th Street. 19-001526was recorded in 1989 by Richard Norwood of RT Factfnders as a pre-1915 homesite withassociated household debris scattered over a large area. 19-001527 was recorded in 1990 byWiliam Manley of Regional Environmental Consultants as a light trash scatter, water tankand welL. No foundations were observed. Both sites are not located within the roadway andrepresent turn-of-the-century (1900-1920) occupation of the area.Nine prior surveys/excavations have been performed within

a one-quarter mile radius ofthe study area (Anon 1996 - LA4008; Eggers, A"V" 1975 - LA2033; King, C. 1998 - LA 4392;

Love 1988 - LA249; Love and DeWitt 1990a - LA2055, Clnd 1990b - LA2088; Norwood 1989a _LA1761 and 1989b - LA1763; and Manley 1990 - LA1990). All of these surveys overlapsmall portons of the project area"

*

-ii-

-,

, No properties are listed on the National Register of Historic Places within the study area.No properties listed on the Californa State Historic Resources Inventory (HRI) lie within thestudy area.No California Historical Landmarks (1990), Office of Historic Preservation, CaliforniaDepartment of Parks and Recreation are recorded within the project area.No California Points of Historical Interest (1992) are listed wi thin the project area.

An inspection of historical maps (1854-1917) including the Elizabeth Lake USGS map series (1917edition) indicated that by the early 1900s, a loose network of improved and unimproved roadswas in place and scattered structures including residences, ranches and mining related buildingsexisted in the general area. Rosamond, Lancaster, Palmdale, Littlerock, Elizabeth Lake, Maynard,a dry lake the A.T.s.F railroad and the Southern Pacific Railroad (San Francisco and New OrleansLine) are listed by 1910. By the late 1920s (Lancaster USGS map (1929-31), Lancaster has majorroads in place with development spreading in all directions from the heart of the city.

*

*

*

The on-foot field IIivestigation was performed on Tuesday, December 19, 2000 by RobertWlodarski serving in the capacity of Principal Investigator, and Dan Larson who performed theduties of Survey Archaeologist. The entire length of the proposed alignment was surveyed. Sincethe project area is currently paved, the surveyors inspected a IS-foot area (4.5 meters) on eitherside of Avenue K to assess potentially undisturbed soils adjacent to the proposed alignment. Atotal of sixteen person-hours were required to complete the field phase of this project.

Results

No prehistoric or historic cultural resource remains were encountered during the field phase.Based on a thorough investigation of the proposed project alignent, the entire route will beconstructed within graded and highly disturbed roadbed. The field investigation also inspectedoff-road areas including the shoulder, rodent burrows, exposed trenches, existing waterways, andother fortuitous exposures to ensure that no surface culhhral resource remains would be affectedby the proposed project.

Conel usions I Recommendations

No foreseeable impacts to identified cultural resources are anticipated as a result of this project"This report only addresses the area ilustrated in Figures 2a-2b. The results of this report cannot beused for any changes or modifications to the proposed project as discussed within the context ofthis report. Any subsequent changes wil require additional work.

Since by its nature, a walk-over can only confdently assess the potential for encountering surfacecultural resource remains, customary caution is advised when developing within the project area.Therefore, should unanticipated cultural resource remains be encountered during construction orland modification activities, work must stop, and the County of Los Angeles Planning Directorshall be contacted immediately to the determne appropriate measures to mitigate adverse impactsto the discovered resources. Cultural resource remains may include artifacts, shelt bone, features,altered soils, foundations,

trash pits and privies, etc. If human remains are discovered, then theproced ures described in Setion 7050.5 of the California Health and Safety Code shall be followed.These procedures require notification of the coroner. If the coroner determines that the remainsare those of Native American ancestr, then the Native American Heritage Commssion (NAHC)must be notified by phone within 24 hours. Sections 5097.94 and 5097.98 of the Public Resources


- iii-

T able of ContentsTITLEPAGE

EXECUTIVE SUM MARYii

i.INTRODUCTION11.1Scope of the Project11.2Descripton of the Project11.3Location of the Project1

II.ENVIRONMENT AL SUMMARY12.1Physiography1

III.CUL TURAL SETTING5~,3.1Prehistoric Inormation53.2Ethnographic Inormation83.3Historical Inormation7

IV.BACKGROUND RESEARCH INFORMATION7

V,FIELD RECONNAISSANCE PHASE135"1Crew135.2Field Reconnaissance Strategy135.3Results135.4Concl usions / Recommendations15

VI.BIBLIOGRAPHY15

APPENDIX A: Archaeological Records Search Results17

List of FiguresFIG UREPAGE1Vicinity Map22aLocation of Survey: Lancaster West Quad Map32bLocation of Survey: Lancaster West Quad Map43Project Area in Relation to Tribal Boundaries6

4The General Area in 18458

5The General Area in 1884 Showing Posta Routes96The General Area in 1910

10

7The Project Area as Surveyed in 1929-1931 (Revised in 1958)11

-iv-

1. .Inb'oduction1.1 Scope of the Project

At the request of Brockmeier, Consulting Engineers, Inc. of Santa Monica, California A Phase 1Archaeological Study was prepared for an environmental document in support of Design ServicesLos Angeles County Waterworks District No. 40, 3tOOO Feet of new transmission pipeline alongAvenue K Transmission Main Phases I, II, II, and N, Antelope Valley, County of Los Angeles,California. The objectives of this study were to:

1. Assist the client in achieving compliance with federal, state and county laws and policies

which regulate the performance of cultural resource studies within Los Angeles County.2. Integrate data obtained through a records search phase conducted by the South Central

Coastal Inormation Center, Caifornia State University, Fullerton, Deparbnent ofAnthopology, Fullerton, California (Appendix A).

3. Investigate additional, applicable historical source material including maps and studies

pertining to the project area.4. Perform an on-foot archaeological reconnaissance for the 31,000 feet of new Transmission

Pipeline along Avenue K. The survey area wil consist of the paved street and an additionalbuffer of 15 feet (4.5 meters) on either side and at either end of the alignment. Proposedproject impacts wil be confned to previously modified and developed areas"

5. Prepare a report documenting the results of the records search and field reconnaissance

phases which complies with federal and state cultural resource legislative enactments.6" Provide recommendations for alleviating adverse impacts to cultural resources encountered

during the course of the records search and field reconnaissance project phases.

1.2 Description of the Project

The project involves the construction of a new 31,000 feet long (9,300 meters) of new transmissionpipeline along Avenue K in Lancaster, California. The project follows the existing street (AvenueK) from 30th Street West (formng the western project termnus) to 30th Street East (forming theeastern project terminus). The proposed alignment wil essentially follow Avenue K in an east-west direction, lying on both sides of Highway 14, with the placement of the pipeline within theexisting road alignent. The survey area wil consist of the paved street and an additionalbuffer of 15 feet (4.5 meters) on either side and at either end of the alignent. Proposed projectimpacts wil be confined to previously modified and disturbed areas withn existing roadway,


The project area is situated northeast of the San Fernando Valley, south of Edwards Air Force Baseand north of Palmdale in the Antelope Valley within the Lancaster city limits (Figure 1). Theproject alignent can be found on the Lancaster East USGS Topographic map (1958 - photorevised

1974) encompassing portons of Setions 3, 19,20 and 29 of Township 7 North and Range 11 West,and on the Lancaster West USGS Topographic map (1958 - photorevised 1974) encompassingportions of Setions 19 through 30) of Township 7 North and Range 12 Wesf(Figure 2).

II.Environmenta Summary2"1 Physiography

The Antelope Valley is locatedin the westernost porton of the Mojave Desert and consists of

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rol\ghly 3,000 square miles of land. The valley is bordered on the northwest by the TehachapiMountains which separates this land mass from the San Joaquin Valley, and on the south and')outhwest by the San Gabriel Mountains, The northern and eastern boundaries consist of isolatedDuttes. This geomorphic basin has no outlet for its streams, and all rain water either becomes partof the underground aquifer or settes in the lower part of the valley, Twelve creeks trend into thevalley from the south and transport precious water into the area during the rainy season includingSheep, Bone Yard, MuscaL, Deadman, Pallett, Boulder, La Montaine, Bob's Gap, Big Rock, Sand,Little Rock and Amargosa. The San Andreas Fault trends along the entire southern slope of theAntelope valley forming a series of long, narrow, enclosed basins.

III Cultual Settg3,1 Prehistoric Information

At the time of Spanish exploration, the project area was occupied by the Serrano who were alsocalled Vanyume or Kitanemuk (Figure 3), They consisted of autonomous localized sibs and theirland- holding lineages were further divided into exogamous totemic moieties with ritual andceremonial obligations (Kroeber, 1925:615-616). Each clan retained control over several areas

(usually a creek and the strp of land surrounding it) from which they gathered their foodresources during the course of the year. They were also part of a larger trade network thatextended throughout California. Coalitions with other Serrano clans were based on reciprocalceremonial, marital and economic relationships, They also established alliances with similarlyorganized Cahuila, Chemehuevi, Gabrielino, and Cupeno,

The Serrano spoke a Takic language. Takic speaking groups historically occupied the Los AngelesBasin off shore islands and surrounding areas extending south to the San Luis Rey River and eastto the Mojave sink and the Coachella Valley and nort to the San Joaquin Valley apparently

established themselves in the area around 800 BC The Takic languages are a division of theUto-Aztecan language stock. People speaking the ancestral Takic language may have been able toestablish themselves beause of their more complex political organiation.

Primary Serrano vilages were located in the foothils with some settlements situated in highertransitions zones as well as along the desert floor. Access to water was the determining factor inselecting habitation sites. They lived in single-famil~ dwellngs which were circular, domedstrctures constructed over an excavated area, The houses had wilow frames covered over withtule and brush mats secured to the framework, and Served primarily as sleeping areas, A majorityof the activities took place outside or under roofed structures without walls, called ramadas, Theonly other buildings in the vilages were ceremonial houses occupied by the vilage priest andused for religious rites and ceremonial activities, and a granary for storing provisions (Stickel andW einman- Roberts, 1980:99).

The Serrano were accomplished potters and basket makers, Their pottery was made of coiled clay,smoothed with a paddle and dried in the sun before being fired in a pit. Baskets were fabricatedfrom yucca fiber, wilow, reeds, and local grasses. Their artifact inventory included: musicalinstruments ,such as rattes, flutes, and whistles; utensils and ornaments such as fire drils, pipes,mortrs, metates, beads, pendants, awls, and projectile points from wood, shell, bone and stone.Petroglyphs abound on rock surfaces in the Serrano territory. Abstract and geometric designs areinterspersed with representational figues of sheep, lizards, human beings, and possible celestialbodies, They are typical of those found throughout the Great Basin area.

-5-

NATIVE TRIBES, GROUPS, DIALECTS, AND FAMILIES OF CALIFORNIA IN 1770

*- TLAHOMTAHOI

Costanoon190, Saki an ¡doubtful)19b. Son Franci.co19c, Santa Clara1 9d, SonIa Crux1ge, Son Juan Bautista (Muhun)191. Monterey (Rum...)199, Soledad

YokuloDialect grcup',20, Nortern Volley IChulamni, Chauchila, elc,l2Ob. Soul"'rn Valley (Tochi. Yauelmani, elc.)2Q, Northrn Hill IChukchn.I, elc.)2O, King. River IChinlmnl, otc,)208. Tui.-Kaweh IYauconchi, 010.1:201, POlO Creek IPoleuyoml):2. auena Viila (Tulamnl, etc,)

UTO.AlTEKAN ISHOSHOEANI FAMilYPlal.au bronchMono.Bannock grop,:21 0, Northern Paiute IPoviollOl:21 b, Ea.iem Mono (Paiuie):21 c, We.tom MonoSho.honi-Coanche group,:21 d, Panamln' IKooo, Shoihone'U'e.Ch.rn.huovl grop,:2111, Chernehuevi fSouuern Paiulel21 f, Kawail.u ITehomapil

Kern River branm21 g, lübatulobol land 80nkcclccehil

ATHABASN FAMilYOregon group

1 a. Roue River (uninhabited)T alowa g rcup

1 b. TolowaHupa grop

Ie, HupaId. ChilulaIe, Whilkvt

Ma"oli groupIf. Mo"ale

Wailaki graupI g, Nangall1 h. LaisikII. Sinkyan.11. Wallakiik, Kato

AlGONKIN FAMilYYurok

20. Yurok2b. Co., Vurok

3, WiyoiYUKIAN FAMILY

.c. Yuki~b. Huchom4c, Coll Yuki

LUTU~MI~~Pr:~1I y5, ModO(

HOKAN FAMilYShaitan

6a. Shaila6b, New River Shalla60, Kanomihu6d. Okwanumu60, Achomaw; ¡Pit River)61, Alougew; tHat Creek)

Northern Vana INozo'

- KROEBER, 1955,NEW BOUNDARIES

14h.. C:~

21no Southern California branch

Serrano grop,21 h, Kllanemuk (Tejani21i. Allklik21 ¡, Vanyumi (Möhineyaml21 k. Serrano 'Gabriilino grcup,21 i. Fernand.ña21 m, Gabrioliño21 n, Nicoleno

21~i

~ luilOño.Cahuilie group,21 a, Juoniño21 p, luiieñe21q. Cupeo21 r, POlS Cahuille211, Mounloin Cahuilla211. Deert Cahuilo

UNIVEItITY OF CALIFORNIA

DEPARTMENT OF ANTHROPOLOGYCopiled 1922, Riprinied 1933

MAP 20Modifications made by Kroeber on the basis of research after 1922.

PROJECT AREA IN RELATIONTO TRIBAL BOUNDARIES

FIGURE3

-6-

The Serrano sustained a hunting and gathering economy, exploiting virtually every possible foodresource in their environment. Hunting was generally the task of the males who used bows and::rrows, thowing sticks, traps and snares to catch deer, antelope, mountain sheep, rabbits, andother rodents, and various birds, especially quaiL. The women collected seeds, tubers, roots, acornand pinon nuts, Although they did not engage in agricultural activities per say, the Serranomanipulated the natural plant environment by annually harvesting the acorn crop and by burningareas where crua seeds grew, thereby increasing the yield (Stickel & Weinman-Roberts 1980: 100),

Abandonment of the permanent Anasazi settements in the southern parts of Nevada and Utah atthe beginnng of ths period ended their influence in the Mojave. At this time, there is a noticeablechange in point types, as the Cottonwood series and the small Desert Side Notched series becomethe predominant types, These points are generally associated with the Numic expansionthroughout much of California and the Great Basin, Knowledge concerning the Serrano issummarized by Bean and Smith (1978) while Bean and Blackburn (1978) summarized the closelyrelated Kitaemuk. The evolution of Serrano society resulted in a complex and unique societydescribed by early Spanish explorers and colonists after AD 1603.

3,3 Historical Information

There were no known permanent vilage on the floor of the Antelope Valley. Instead, the desertvalley provided trade routes horn Arizona and New Mexico to the California coast. AlthoughCalifornia was discovered in the 1500s, it was not until the later part of the 1700s that explorationwas initiated, Captain Pedro Fages, an offcer in Portola's expedition, is credited as being the firstwhite man to set foot in the Antelope Valley in 1772, Franciscan Friar, Father Garces, crossed thewestern end of the Antelope Valley in 1776 while traveling horn the Colorado River to the five.:oasta missions that were in existence, During 1827, Jedediah Smith traversed the AntelopeValley as the first American to visit California by land, By 1829, Kit Carson, while trappi ng,explored portions of the Antelope Valley, Gold was first discovered by Francisco Lopez in 1842 atthe southern edge of the Antelope Valley in what is now Placerita Canyon bringing a brief influxof miners to the region. Finally, John C. Fremont, during 1844, conducted a scientific explorationof the region (Figure 4),

From the 1840s the valley was used primarily for hunting antelope and as a hideout for banditslike Joaquin Murrieta and Tiburcio Vasquez. Don Alexander and Phineas Banning established thefirst stage line horn Los Angeles to the nort, runnng though the southernmost edge of theAntelope Valley. During the 1870s, small ranches and homesteads sprang up around surfacewater sources, The Southern Pacific Railroad completed a line through the Antelope Valley inSeptember, 1876, With the completion of the railroad, the settlers came, and Palmdale and theAntelope Valley ended years of isolation. Figures 5-7 ilustrate the growth and development of thearea from 1884-1929. Today, Edwards Air Force base, a thriving defense economy, and peoplelooking for a less hectic lifestyle, have created a rapidly growing suburban environment inLancaster and Palmdale,

iv.Background Research InformationAs part of ths study, research was conducted for the project area using information obtained fromhistoric maps, archival data, and prior studies. An inspection of the following sources included:

1. A records search phase conducted by the South Central Coasta Inormation Center,

-7-

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. "California State University, Fullerton, Department of Anthropology, Fullerton, California(Appendix A).National Register of Historic Places (Federal Register-8/94-with supplements to date).California State Historic Resources Inventory (HRI) (Department of Parks and Recreation1976),California Historic Landmarks (California Department of Parks and Recreation 1990),California Points of Historical Interest (1992).

~

J.

4,5.


* No prehistoric archaeological sites or isolates have ben identified within or directly adjacentto the project area.

* , Two historic archaeological sites (19-001526 and 19-001527) have ben identified within fifty

feet of Avenue K, on the south side of the road between 20th Street and 30th Street. 19-001526was recorded in 1989 by Richard Norwood of RT Factfnders as a pre-1915 homesite withassociated household debris scattered over a large area, 19-001527 was recorded in 1990 byWiliam Manley of Regional Environmental Consultants as a light trash scatter, water tankand welL. No foundations were observed, Both sites are not located within the roadway andrepresent turn-of-the-entury (1900-1920) occupation of the area,

Nine prior surveys/excavations have been performed within a one-quarter mile radius ofthe study area (Anon 1996 - LA4008; Eggers, A.V. 1975 - LA2033; King, C. 1998 - LA 4392;

Love 1988 - LA249; Love and DeWitt 1990a - LA2055, and 1990b - LA2088; Norwood 1989a-LA1761 and 1989b - LA1763; and Manley 1990 - LA1990), All of these surveys overlapsmall portions of the project area.No properties are listed on the National Register of Historic Places within the study area.No properties listed on the California State Historic Resources Inventory (HRI) lie within thestudy area.No California Historical Landmarks (1990), Offce of Historic Preservation, CaliforniaDepartment of Parks and Recreation are recorded within the project area,No California Points of Historical Interest (1992) are listed withn the project area,

*

*

*

*

An inspection of historical maps (1854-1917) on file at the Geography Department Map ReferenceCenter, California State University, Northridge, and County of Los Angeles, Department ofPublic Works, Bureau of Engineering, included:

1854-76 Township 7 North, Range 11 and 12 West, San Bernardino Meridian,1869 Map of Private Grants and Public Lands Adjacent to Los Angeles and San

Diego in the Southern Parts of California (published by Clinton Day),Map of the County of Los Angeles, Caifornia (by H,J, Stevenson),Map of the County of Los Angeles, California (by Rowan),Map of the Reservoir Lands in the County of Los Angeles (by Seebold).Sectional and Road Map of Los Angeles County Showing Oil and MiningDistrcts (by Stoll and Thayer).Elizabeth Lake USGS map series (1917 edition),Topographic Map of the Los Angeles Aqueduct and Adjacent Territory(compiled from U.5GS, topographic maps; Wheeler's war maps; Le Conte'smaps; county maps, and; L.A. Aqueduct maps),Los Angeles County (Blunt).Lancaster 15 minute USGS topographic map (surveyed in 1929-31),

1881188818911900

19001908

19111958

-12-

· (V,' Field Recoimaissance Phase

i;,l Crew

The crew consisted of Robert Wlodarski, the Principal Investigator of H,E,A,R.T" who has a B,A.in History and Anthropology; an M.A. in Anthropology from Californa State UniversityN orthridge (CSUN); 30 years of professional experience in California archaeology; over 500individual projects completed; certfication in field archaeology, and theoreticaIj archival researchby the Register of Professional Archaeologists (RPA); and, is a registered California historian by

the California Committee for the Promotion of History (CCPH). The Principal Investigator wasassisted in the field by Dan Larson who has a B.A. in Anthropology from California StateUniversity Northidge (CSUN), with over 36 years of professional experience in Californiaarchaeology, and meets the qualifications for certification in field archaeology by the Register ofProfessional Archaeologists fRP A J.

5.2 Field Reconnaissance Strategy

The field reconnaissance for the proposed pipeline entailed a mixed survey strategy whichincluded: A survey by car of those areas which are completely covered by pavement or wheredevelopment has completely covered the surface; and an on-foot reconnaissance of all areas withinthe proposed alignent wruchwere essentially open space elements (open fields or exposed dirtshoulders). For this project, an additional buffer of 15 feet (4.5 meters) on either side and at eitherend of the alignent were inspected to determne if cultural resource remains of a prehistoric orhistoric archaeological nature would be affected by the proposed project.

5,3 Results

The on-foot field investigation was performed on Tuesday, December 19, 2000 by RobertWlodarski serving in the capacity of Principal Investigator, and Dan Larson who performed theduties of Survey Archaeologist. The entire length of the proposed alignment was surveyed. Sincethe project area is currently paved, the surveyors inspected a IS-foot area (4.5 meters) on eitherside of A venue K to assess potentially undisturbed soils adjacent to the proposed alignment. Atotal of sixteen person-hours were required to complete the field phase of this project.

No prehistoric or historic cultural resource remains were encountered during the field phase.Based on a thorough investigation of the proposed project alignent, the entire route wil be

constructed within graded and highly disturbed roadbed. The field investigation also inspectedoff-road areas including the shoulder, rodent burrows, exposed trenches, existing waterways, andother fortuitous exposures to ensure that no surface cultural resource remains would be affectedby the proposed project, The field results and notations about existing conditions in field follows:

Western portion of the project

Proceeding west along Avenue K on the north side of the road: Northside shopping center(including Carl's Junior, Burger King, Toys-r-us, Coco's; Highway 14 overpass and on-ramp; Parkand Ride facility; Mare Caanders; Oxford In; AHa Dena Express; 17th Street West; HughesPlaza; Century 21 Offce; Eye Care and DentalCenter; Oakwood Building (including InfinityMortgage and Troth Realty); open lot; 20th Street; Denny's; Oocktower Plaza and parking;residential development with brick wall fronting Avenue K; 22nd Street West; residentialJevelopment with brick wall fronting Avenue K; 24th Street West; residential development withbrick wall fronting Avenue K; 25th Street West; residential development (including 2539-2647

-13-

,,res.dential development with brick wall fronting Avenue KEast; aparbnents; Texaco gas station;Challanger Way; brick building and parking lot under constrction; open lot with dirt shoulder;..th Street East; residential development; open lot with a dirt shoulder; 7th Street East; residentialdevelopment with brick wall fronting Avenue K East; 6th Street East; residential developmentwith brick wall fronting Avenue K East; 5th Street East; open and graded lot; residentialdevelopment with brick wall and chain link fencing fronting Avenue K East; 4th Street East; openlot; blue, clapboard house; open lot with a dirt shoulder; Stanridge condo unit with parallelasphalt road; open lot with a dirt shoulder; Liquor mart (8 ball); Division Street; Arco gas station;parking lot; open lot; railroad tracks; Sierra Highway; Smog Center; Karen's Kitchen; open space;Muffer Shop; open lot; building; The Colony Park condos with asphalt road paralleling Avenue KWest; Elm Avenue; residential development with brick wall fronting Avenue K West; Fig Avenue;residential development with a paved road and landscaping paralleling Avenue K West; GadsdenAvenue; plaza; Firestone Tires; used car lot; RV rentals; Enterprise rental cars; Chevron station;10th Street West; used car lot; KC Custom Mouldings; KFC; stir mall; Designer Furniture; 12thStreet West; Quick Key; First Place Awards; Quality Care Providers; drainage channel; pavedopen space; Toys R Us shopping center; 15th Street West.

5.4 Conclusions/Recommendations

No foreseeable impacts to identified cultural resources are anticipated as a result of this project.This report only addresses the area ilustrated in Figures 2a-2b. The results of this report cannot heused for any changes or modifications to the proposed project as discussed within the context ofthis report. Any subsequent changes wil require additional work.

Since by its nature, a walk-over can only confdently assess the potential for encountering surface~ultural resource remains, customary caution is advised when developing within the project ared,Therefore, should unanticipated cultural resource remains be encountered during construction orland modification activities, work must stop, and the County of Los Angeles Planning Directorshall be contacted immediately to the determine appropriate measures to mitigate adverse impèldsto the discovered resources, Cultural resource remains may include artifacts, shell, bone, features,altered soils, foundations, trash pits and privies, etc. If human remains are discovered, then theprocedures described in Setion 7050.5 of the California Health and Safety Code shall be followed.These procedures require notification of the coroner. If the coroner determines that the remainsare those of Native American ancestr, then the Native American Heritage Commission (NAHC)must be notified by phone within 24 hours. Sections 5097.94 and 5097.98 of the Public Resources


VI.BibliographyAnon19% Cultural Resources Investigation Pacifc Pipelie Emidio Route. Report (LA4088) on fie at the

South Central Coasta Information Center, Deparent of Anthropology, Caliornia StateUniversity, Fullerton.

Bean, Lowell John, and Charles R. Smith1978 Serrano. In Handbook of North American Indians, Volume 8, Caliornia, edited by Robert F,

Heizer, pp, 570-574, Smithsonian Institution.

Blackburn, Thomas, and Lowell John Bean',978 Kitanemuk. In Handbook of Nort American Indians, Volume 8, Calornia, edited by Robert F.

Heizer, pp, 564569. Smithsonian Institution.

-15-

.Avenue K West); 27th Street; residential development (including 2707-2747 Avenue K West);Eliopulos Drive; ,more residential development; 30th Street (western terminus).

)roceeding east along Avenue on the south side of the road: Open lot with a bus stop; residential

development with brick wall fronting Avenue K; 27th Street West; residential development(including 2652-2506 Avenue K West); 25th Street West; residential development (including2358-2330 Avenue K West); open lot; Westfeld Drive and gated residential community; openfield; 22nd Street West; Kinder Care; Pinecrest School; shopping mall (Albertsons and Savon, etc,);Jack-in-the-Box; Green Burrto; 20th Street West; Arco gas station; Pinnacle Mortgage; auto parts;residential development (including 1816-1802 A venue K West; 25th Street West); 18th Street West;

Chevron gas station; abandoned structure; open lot; Der Wienerschntzel; Vilage Square; 17thStreet West; Carrows; Motel 6; Highway 14 on-ramp and overpass.

Eastern portion of the project

Proceeding east along Avenue K on the south side of the road: Highway landscaping; 15th StreetWest; Freeway off-ramp; Arco mini-mart; Ross for Less; Big 5; 13th Street West; Kragen AutoParts; Sees Candy; Ralphs; Pic N Save; McDonalds; 12th Street West; Washington Mutual; DonCuco's; target; Walden Books; Band of America; open lot; 10th Street West; Christmas tree lot;large, asphalt parking lot; open lot; Bingo Parlor; Gadsden Avenue; W oodcreek gardenApartments; open lot at 500 West Avenue K; Furniture place; Sierra Highway; railroad tracks;open lot; Division Street; open lot; Dallas' Trees; open lot; BPO Elks #1625; Antelope Town Homes(apartments); Kirkland Avenue; Antelope Town Homes; golf driving range (Lancaster GolfCenter); 5th Street East; Alta Dena Dairy Express market; open lot; 6th Street East; Liquor market;open lot; abandoned building; 634 East Avenue K (residence); Lilput Nursery School; residential::evelopment (including 646 East Avenue K); 7th Street East; residential development (including714 and 720 East Avenue K); catch basin; 750 East Avenue K (residence); open lot; 790 and 806East Avenue K (residences); Olympia Plaza; ChaUanger Way; Springfeld Plaza; residentialdevelopment; 11th Street East; residential development; open lot; residential development; privateroad; residential development; Yaffa Street; residential development; Carol Drive; residentialdevelopment with a brick wall fronting Avenue K East; 15th Street East; residential developmentwith a brick wall fronting Avenue K East; a new development called the Le Palais (just gradedland and brick wall); 20th Street East; open lot; residential development with a brick wall frontingAvenue K East; open lot; residence (2300 East Avenue K); open space; residence (2516 EastAvenue K); brick wall; residence; Iglesia church at 2548 Avenue K East; open lot where historicremains are visible in the distance from the road (CA-LAN-1527H); 30 Street East.

Proceeding west along Avenue K on the north side of the road: Residential development; SantaRosa Circle; residential development (2757-2727 Avenue K East); 27th Street East; parking lot;residential development with a brick wall and sidewalk fronting Avenue K East; 25th Street East;residential development with a brick wall and sidewalk fronting Avenue KEast; 22nd Street East;open lot with a dirt shoulder; 20th Street East; residential development with a paved road andlandscaping paralleling Avenue KEast; Stand

cliff Avenue; residential development with a pavedroad and pine trees and landscaping paralleling A venue K East; 17th Street East; residentialdevelopment with a paved road and landscaping paralleling A venue K East; residentialdevelopment with brick wall frontig A venue K East; gated residential development; ChistmasTreet lot; 15th Street East; residential development with brick wall fronting Avenue K East; 13thStreet East; residential development with brick wall fronting Avenue KEast; Yaffa Street;

-14-

,.Sgg,ers, A. Van1975 Zone Change Case No. 6102-(5) Draft Environmental Impact Report. Report (LA2033) on fie at the

South Central Coastal Information Center, Department of Anthropology, California StateUniversity, Fullerton.

King, Chester D,

1998 Archaeological Reconnaissance for the 10th Street West Transmission Main Lancaster, Los AngelesCounty, Caliornia. Report (LA4392) on fie at the South Central Coastal Information Center,Department of Anthropology, California State University, Fullerton.

Kroeber, A.L.1925 Handbook of the Indians of California. Bureau of American Ethnology, Bulleti 78. Smithsonian

Institution, Washington.Love, Bruce

1988 Archaeological Overview of 508 Acres on the East Side of Lacaster Known as GPA 88-04 and88-09, Lacaster, California. Report (LA249) on file at the South Central Coastal Information Center,Department of Anthropology, California State University, Fullerton,

Love, Bruce, and Wiliam H. De Witt1990a Cultural Resource Evaluation for Lancaster EIR Group 9, Lancaster, California. Report (LA2055) on

fie at the South Central Coastal Information Center, Department of Anthropology, California StateUniversity, Fullerton.

1990b Final Report of the Phase II Testig and Evaluation of GP A 88-04 and 88-09, Lancaster, California.

Report (LA2088) on file at the South Central Coastal Information Center, Department ofAnthropology, Caliornia State University, Fullerton.

Manley, William R.

'990 Historical and Architectural Assessment of LAN-1526H, City of Lancaster, Caliornia. Report(LA1990) on file at the South Central Coastal Information Center, Department of Anthropology,California State University, Fullerton,

Norwood, Richard H.1989a Cultural Resource Survey for GPA-88-48, Lacaster, California. Report (LA1761) on file at the South

Central Coastal Information Center, Department of Anthropology, California State University,Fullerton.

1989b Cultural Resource Survey for GP A-88-29, Lacaster, Caliornia. Report (LA1763) on fie at the Sou thCentral Coastal Information Center, Department of Anthropology, Caliornia State University,Fullerton.

Stickel, E. Gary, and Lois J, Weinman-Roberts1980 An Overview of the Cultural Resources of the Western Mojave. Bureau of Land Management,

Cultural Resources Publication Anthropology-History, Riverside, Caliornia,

-16-

'" It, "t

APPENDIX A

South Central Coastal Information CenterCaliforna Historical Resources Information System

California State University, FullertonDeparbent of Anthropology

P,O. Box 6846800 North State College BoulevardFullerton, Caifornia 92834-6846

Phone: 714-278-5395 - Fax: 714-278-5542Website: anthro.fuerton.eduj sccic.htr

(Prepared by Esther Won on December 18, 200 - Invoice #9074)

r u, i ~

HISTORIC RESOURCES:

No historic archaeological sites have been identified within your radius of the projectarea,

PREVIOUS ARCHAEOLOGICAL INVESTIGATIONS:

Three studies have been conducted within your radius of the project area, There are twoadditional investigations located on the Lancaster West 7.5' USGS quadrangle and are potentiallywithin your radius of the project area, These reports are not mapped due to insuffcient locationalinfonnation,

Please forward a copy of any reports resulting from this project to our offce as soonas possible. Due to the sensitive natue of site location data, we ask that you do notinclude record search maps in your report. If you have any questions regarding the

results presented herein, please feel free to contact our offce at (714) 278-5395,

Invoices are mailed approximately two weeks after records searches are completed,This enables your finn to request fuher infonnation under the same invoice number.

Please reference the invoice number listed below when making inquires, Requestsmade after invoicing wil result in the preparation of a separate invoice with a $15.00handling fee.

Sincerely,

Esther WonStaff Archaeologist

Enclosures:(X) Primar Number Explanation(X) Map - Lancaster East, Lancaster West 7,5' USGS Quadrangle(X) Bibliography - _ pages() Site list - _ pages

() HRI - _ pages() National Register Status Codes - 4 pages

(X) Site records - 19-001526 (16pgs), 19-001527 (6pgs)

(X) Surey reports - LA4392 (ISpgs)

(X) Confdentiality Fonn() Invoice # 9074

V..' .."'! i-.. v V .J V . V, I' ."'\à è11. l) 0 ~ ( ~ 1J l: V

~,,r--~~.¡"¡.".tiCI4 lIl)ll Ul)l

r"

$I OF CAliFORNIAAmoJp Sd1Z9IIIDIILGavIH.na(

NATIVE AMERICAN HERITAGE COMMISSION915 CAPIOL MALL. ROOM S.&ACAAMEo, CA 9514(91S)~i Fax (t16) 657-530Web Site www.n:ahç.æ.go'(e-maH: d9_t'Bhc~paCbI!II.net

April 14, 2008

Mr. Michael Ignatius, P.E, . L05 Angeles County Department of Public Works. W.tël'orks Division

Sent by FAX to: 626-300-3385Number of Pages: 2

Re: Rooueet for a Sacred Lands Rle records search for the-PLODOei. A venue K Transmi,sionWater Main, Phas I - IV ProIec located in Los AnQeles Couniv. California

Dear Mr. Ignatius:

The Nate American Herìlage Common wa able to penorm a recrd search of itsSacred land Rle (SLF) for the affted projec; area. The SLF failed to indicate the presnCé of

Natie American cultral reourc in the immeiate project area. The absence of specific sfteinformtion in the Satfed Lands File do no! guarant the absel1 of cultral resource in anyproject area. This projec sit is in clo primty to prevously disere prhiric burial siteand is believed to hold numeous cultural resurce,

Eart consltaon ww Natie Amrican trbe in your area is the bet way to avoidunantiópate dieres once a prjec is undeiwy. Encl is the name of the nearet lTibeUiat may hae knowledge of cultr./ resurce in ile projec area. A.Jim of Natie A.ricancontajs (Attched to asl you. It is advisbl to conta th pelSns lis; if th cannot supplyou wi spedfc informon abolhe if1i; on cubJral rerc, they ma be abl 10 reer youto another bibe or persn t;ooledæble of UUe rol1f'1 rerc in or ner the af' prarea.

La of $Unace evidence of arceologicsl reurce does not precUde the extence ofarchealoic:l reurce. Led agencies should consder avoidance. as defined in Section 15370 of

the CaUfoia Environmel Quality Ac (CEQA) when siniICnt cultra resrce cold beaffec by a prje. Al, Puulí(; Resurce Coe Secton 150.5(f) aoo Sen 1507.98 an"Ieart & Safety Coe SetiQn 1050.5 prOVe for pron fo acenUy disrearcheolocal re during constrctn and mandate the pro to be folloed in the eventof an acenn1 áiseiy of any human rema in a proje lon oter than a 'dédicatedceineiy_' DDon of thes should Ue incled in your envronmentl docuiænts, asapproprite.

RPR-14-2008 15: 07916 657 5390%%P ""1

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Native American ContactsLos Angeles County

April 14, 2008LA Cit/County Natie America Indian CommRon Andrade, Director3175 Wes 6t Street, Rm. 403Los Angeles r CA 90020(213) 351-5324(213) 386-3995 FAX

GabrielinofTongva Council / Gabrielino Tongva NationSam Dunlap, Tribal Secretary761 Teninaa Street; Bldg 1, 2nd floor Gabrielíno TongvaLos Angeles ,CA 90021office ~tongvatrìbe.net(213) 48-5001 - Ofice(909) 262-9351 - cell(213) 489-5002 Fax

Ti'At SocietyCindi Alvìtre

6515 E. Seaside Walk, #CLong Beach , CA 90803calvitre(gyahoo.com(714) 504~2468 Cell

Gabrìelino

GabneJJno Tongva Indians of California Tribal CouncilRobert Dorame, Tribal Chair/Cultural Resources5450 Slausn, Ave, Suite i51 PMB Gabrielino TongvaCUlver City , CA 90230gtongva&!verizon.net562-761-6417 - voice562-925-7989 - fax

Tongva Ancestral Territoriaf Tribal NationJohn Tommy Rosas, Tribal Admìn.

Gabrielino Tongvatattnlawêgmail.com

310-570-6567

GabrielenofT onqva San Gabriel Band of MissionAnthony Morales, ChairpersnPO Box 693 Gabrielino TongvaSan Gabriel ,CA 91778ChiefRBwwe€i aO/.com(626) 286-1632(626) 286-1 758 - Home(626) 286-1262 Fax

ThIS lis Is ~nt only lI Of tt da of this documeii

Dlàlbun of Ih lis cc no reiee any pêl"n of ssutiy repOA911t as defne In Seon 705.5 oftte Heallfl andSa~ Co, Saon 50.. of th Public Reurc Coo an S8on 50.9 of th Public R88ur Coe.

ThIs list I~ only appliC3ble for contoø LoI NNVé Amelcn wit rørd to cural ~ fo th ~AvenU!t K TransmlslOn W3t Main, p~ i - IV; lIos Ang Coy, Cèllfmla for whic D SS L.nd Ale5erC:h ccnd Natve Ameican Cont lis wer rrue.

APR-14-2008 16:08g 1 F=, h,r:7 c:~gvvqi:,;

county of los angelesfile.lacounty.gov/sdsinter/bos/supdocs/39949.pdf · 2016-08-21 · county of...

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