call 811 early grading permit … grading permit construction drawings cornerstone townhomes ii...

EARLY GRADING PERMIT CONSTRUCTION DRAWINGSCORNERSTONE TOWNHOMES II

SCALE: 1"=1000'

OWNER:

ENGINEER:

DEVELOPER:

PHONE: (303) 337-1393AURORA, COLORADO 8001414190 E. EVANS AVE.ATTN: WEYLAN A. BRYANT, P.E.ENGINEERING SERVICE COMPANY SURVEYOR:

PHONE: (303) 337-1393AURORA, COLORADO 8001414190 E. EVANS AVE.ATTN: CHARLES N. BECKSTROM, P.L.S.ENGINEERING SERVICE COMPANY

PHONE: (303) 459-4947BROOMFIELD, COLORADO 80038PO BOX 1863ATTN: JASON BROWNCORNERSTONE TOWNHOMES II, LLC

WORK SHALL BE CONSTRUCTED TO CITY OF THORNTON STANDARDS AND SPECIFICATIONS.THIS APPROVAL IS FOR CONFORMANCE TO THESE STANDARDS AND SPECIFICATIONS AND OTHER CITY REQUIREMENTS. THE DESIGN AND CONCEPT REMAINS THE RESPONSIBILITY OF THE PROFESSIONAL ENGINEER OR LANDSCAPE PROFESSIONAL.

1. THE CONTRACTOR SHALL BE SOLELY AND COMPLETELY RESPONSIBLE FOR CONDITIONS AT AND ADJACENT TO THE JOB SITE; INCLUDING, SAFETY OF PERSONS AND PROPERTY DURING THE PERFORMANCE OF WORK. THIS REQUIREMENT SHALL APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS. THE CITY CONSTRUCTION REVIEW OF THE CONTRACTOR'S PERFORMANCE IS NOT INTENDED TO INCLUDE REVIEW OF THE ADEQUACY OF THE CONTRACTOR'S SAFETY MEASURES IN, ON, OR NEAR THE CONSTRUCTION SITE.

2. THE TYPE, SIZE, LOCATION, AND NUMBER OF ALL KNOWN UNDERGROUND UTILITIES ARE APPROXIMATE WHEN SHOWN ON THE DRAWINGS. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE AND LOCATION OF ALL UNDERGROUND UTILITIES ALONG THE ROUTE OF THE WORK. LOCATION OF EXISTING UTILITIES SHALL BE VERIFIED BY CONTRACTOR PRIOR TO DATE OF CONSTRUCTION. FOR INFORMATION CONTACT: UTILITY NOTIFICATION CENTER OF COLORADO (UNCC) – 1-800-922-1987. IT IS THE CONTRACTOR’S RESPONSIBILITY TO FIELD VERIFY SIZE AND HORIZONTAL AND VERTICAL LOCATIONS OF EXISTING FACILITIES PRIOR TO CONSTRUCTION AND NOTIFY THE CITY OF ANY DISCREPANCIES.

3. MATERIALS AND WORKMANSHIP SHALL CONFORM TO THE CITY OF THORNTON STANDARDS ANDSPECIFICATIONS FOR THE DESIGN AND CONSTRUCTION OF PUBLIC AND PRIVATE IMPROVEMENTSAND WORK SHALL BE SUBJECT TO INSPECTION AND APPROVAL BY AUTHORIZED CITY OF THORNTON PERSONNEL.

4. ALL TRENCHES SHALL BE ADEQUATELY SUPPORTED AND THE SAFETY OF WORKERS PROVIDED FOR AS REQUIRED BY THE MOST RECENT OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA) "SAFETY AND HEALTH REGULATIONS FOR CONSTRUCTION." THESE REGULATIONS ARE DESCRIBED IN SUBPART P, PART 1926 OF THE CODE OF FEDERAL REGULATIONS. SHEETING AND SHORING SHALL BE UTILIZED WHERE NECESSARY TO PREVENT ANY EXCESSIVE WIDENING ORSLOUGHING OF THE TRENCH WHICH MAY BE DETRIMENTAL TO HUMAN SAFETY, TO THE PIPE BEING PLACED, TO TREES, OR TO ANY EXISTING STRUCTURE WHERE EXCAVATIONS ARE MADE UNDER SEVERE WATER CONDITIONS. THE CONTRACTOR MAY BE REQUIRED TO USE AN APPROVED PILING INSTEAD OF SHEETING AND SHORING.

5. THE CONTRACTOR SHALL FURNISH THE ENGINEER THE "AS CONSTRUCTED" LOCATIONS OF FACILITIES INSTALLED AND, THIS IN TURN, SHALL BE SUBMITTED TO THE CITY OF THORNTON ON AS-BUILT MYLAR DRAWINGS AND ELECTRONIC FILES PREPARED BY THE ENGINEER.

6. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CLEANING NEARBY PUBLIC STREETS OF MUD OR DEBRIS DUE TO CONSTRUCTION ACTIVITY INITIATED BY SAID CONTRACTOR ON A DAILY BASIS OR AS OTHERWISE DIRECTED BY AUTHORIZED CITY PERSONNEL.

7. PRIOR TO THE BEGINNING OF WORK, A PRECONSTRUCTION CONFERENCE SHALL BE HELD BETWEEN THE CITY, THE RESPONSIBLE PARTY WHO IS SCHEDULED TO PERFORM THE WORK, THE DESIGNATED ON-SITE FIELD REPRESENTATIVE, THE CONSULTING ENGINEER OR LANDSCAPE PROFESSIONAL, AND ANY OTHER ENTITIES INVOLVED IN THE CONSTRUCTION.

8. DEVELOPMENT PHASING OF ANY PROJECT MUST BE SHOWN ON THE CONSTRUCTION PLANS AND MADE A PART OF THE APPLICATION PROCEDURE. NO PHASING SHALL BE PERMITTED UNLESS THIS REQUIREMENT HAS BEEN ADHERED TO.

9. NO WORK SHALL BEGIN UNTIL THE INSTALLING RESPONSIBLE PARTY IS IN POSSESSION OF AN APPROVED SET OF PLANS AND THE CITY OF THORNTON STANDARDS AND SPECIFICATIONS FOR THE DESIGN AND CONSTRUCTION OF PUBLIC AND PRIVATE IMPROVEMENTS, AND ALL NECESSARY PERMITS FOR THE IMPROVEMENTS HAS BEEN ISSUED BY THE CITY. DEVELOPMENT ENGINEERING'S APPROVAL SHALL BE FOR GENERAL CONFORMITY TO THE UTILITY SPECIFICATIONS AND SHALL NOT CONSTITUTE BLANKET APPROVAL OF ALL DIMENSIONS, QUANTITIES AND DETAILS OF THE MATERIAL OR EQUIPMENT SHOWN. NOR SHALL SUCH APPROVAL RELIEVE THE RESPONSIBLE PARTY, CONSULTING ENGINEER, OR LANDSCAPE ARCHITECT OF THEIR RESPONSIBILITY FOR ERRORS CONTAINED IN THE DRAWINGS. A COPY OF THE APPROVED PLANS AND ALL PERMITS SHALL BE ONSITE AT ALL TIMES.

10. THE RESPONSIBLE PARTY SHALL FURNISH REASONABLE AID AND ASSISTANCE REQUIRED BY DEVELOPMENT ENGINEERING FOR THE PROPER EXAMINATION OF THE MATERIALS AND WORK. WORK SHALL BE PERFORMED IN ACCORDANCE WITH ACCEPTED WORKMANSHIP PRACTICES AND THE CITY OF THORNTON STANDARDS AND SPECIFICATIONS FOR THE DESIGN ANDCONSTRUCTION OF PUBLIC AND PRIVATE IMPROVEMENTS. ANY WORK NOT ACCEPTED BY DEVELOPMENT ENGINEERING SHALL BE REDONE UNTIL COMPLIANCE WITH THESE STANDARDS IS ACHIEVED. INSTRUCTIONS GIVEN BY DEVELOPMENT ENGINEERING RELATING TO QUALITY OF MATERIALS AND WORKMANSHIP MUST BE OBEYED AT ONCE BY THE RESPONSIBLE PARTY. DEVELOPMENT ENGINEERING SHALL NOT SUPERVISE SET OUT WORK, OR GIVE LINE AND GRADE STAKES.

11. THE MATERIALS USED IN PROJECTS SHALL BE NEW AND SUBJECT TO THE INSPECTION AND APPROVAL OF THE INSPECTOR AT ALL TIMES. THE INSPECTOR HAS THE RIGHT TO PERFORM ANY TESTING DEEMED NECESSARY TO ENSURE COMPLIANCE OF THE MATERIAL WITH THESE STANDARDS. NO MATERIAL SHALL BE USED BEFORE BEING INSPECTED AND APPROVED BY THE INSPECTOR. FAILURE OR NEGLECT ON THE PART OF THE INSPECTOR TO CONDEMN OR REJECT INFERIOR MATERIALS OR WORK SHALL NOT BE CONSTRUED TO IMPLY THEIR ACCEPTANCE SHOULD THEIR INFERIORITY BECOME EVIDENT AT ANY TIME PRIOR TO FINAL ACCEPTANCE OF THE WORK. INSPECTORS HAVE THE AUTHORITY TO REJECT DEFECTIVE OR INFERIOR MATERIALS AND/OR DEFECTIVE WORKMANSHIP AND TO SUSPEND WORK UNTIL SUCH TIME AS THE RESPONSIBLE PARTY SHALL CORRECT THE DISCREPANCIES IN QUESTION.

12. WHENEVER DEFECTIVE MATERIALS AND WORK ARE REJECTED, THE RESPONSIBLE PARTY SHALL PROMPTLY REMOVE SUCH DEFECTIVE MATERIALS AND CONSTRUCTION FROM THE JOB SITE AND REPLACE ALL DEFECTIVE PORTIONS TO THE SATISFACTION OF DEVELOPMENT ENGINEERING. IN THE EVENT THE RESPONSIBLE PARTY FAILS TO REMOVE REJECTED ITEMS FROM THE JOB SITE WITHIN A REASONABLE LENGTH OF TIME, DEVELOPMENT ENGINEERING MAY ARRANGE FOR SUCH REMOVAL AT THE EXPENSE OF THE RESPONSIBLE PARTY.

13. INSPECTION SHALL NOT RELIEVE THE RESPONSIBLE PARTY FROM ANY OBLIGATION TO PERFORM THE WORK STRICTLY IN ACCORDANCE WITH THE PLANS AND SPECIFICATIONS OR ANY MODIFICATIONS THEREOF. WORK NOT SO CONSTRUCTED SHALL BE REMOVED AND CORRECTED BY THE RESPONSIBLE PARTY AT HIS SOLE EXPENSE, WHENEVER SO ORDERED BY DEVELOPMENT ENGINEERING, WITHOUT REFERENCE TO ANY PREVIOUS ERROR OR OVERSIGHT IN INSPECTION.

14. EXCEPT IN CASES OF EMERGENCY, MAINTENANCE, OR PROTECTION OF WORK ALREADY COMPLETED, NO WORK SHALL BE ALLOWED BETWEEN THE HOURS OF 7 P.M. AND 7 A.M.; NOR ON SATURDAY, SUNDAY, OR LEGAL HOLIDAYS UNLESS APPROVED BY DEVELOPMENT ENGINEERING IN EACH CASE. WHEN ANY INSPECTOR IS REQUIRED TO WORK OUTSIDE THE HOURS OF 7 A.M. TO 4 P.M. ON REGULAR CITY BUSINESS DAYS, OVERTIME SHALL BE CHARGED TO THE RESPONSIBLE PARTY. HOWEVER, SUCH INSPECTORS SHALL REMAIN EMPLOYEES OF THE CITY FOR ALL PURPOSES. REQUESTS FOR OVERTIME SHALL BE MADE TO DEVELOPMENT ENGINEERING AT LEAST 48 HOURS IN ADVANCE. PAYMENT FOR SUCH OVERTIME WORK SHALL BE MADE TO THE CITY PRIOR TO FINAL ACCEPTANCE.

15. IN THE EVENT ONE OR MORE INSPECTORS REPRESENTING PRIVATE CONSULTING ENGINEERING FIRMS ARE ALSO INSPECTING A PROJECT ALONG WITH DEVELOPMENT ENGINEERING, THE INSTRUCTIONS GIVEN BY DEVELOPMENT ENGINEERING SHALL PREVAIL IN THE EVENT OF CONFLICTING INSTRUCTIONS.

16. THE WORK SHALL BE SURVEYED AND STAKED UNDER THE SUPERVISION OF A LICENSED LAND SURVEYOR IN ACCORDANCE WITH THE APPROVED PLANS.

17. IF IRRIGATION DITCHES ARE INVOLVED, AN APPROVAL BLOCK FOR THE DITCH COMPANY SHALL BE PROVIDED.

18. IF A FOUNDATION UNDERDRAIN SYSTEM IS INSTALLED IN THE PUBLIC RIGHT-OF-WAY, THE FOLLOWING STATEMENT SHALL BE INCLUDED IN THE AS-BUILT DRAWINGS:

“THE FOUNDATION UNDERDRAIN SYSTEM IS THE RESPONSIBILITY OF THE OWNER/DEVELOPER OR ITS ASSIGNS. THE CITY IS NOT RESPONSIBLE FOR THE MAINTENANCE OR REPAIR OF SAID SYSTEM.”

19. CONSTRUCTION SHALL ADHERE TO THE FOLLOWING SEQUENCE UNLESS OTHERWISE SPECIFIED BY THE DEVELOPMENT ENGINEERING MANAGER: SANITARY SEWER INSTALLATION, WATER MAIN INSTALLATION, CURB AND GUTTER INSTALLATION, WATER SERVICE INSTALLATION.

20. COMPACTION OF ALL TRENCHES MUST BE ATTAINED AND COMPACTION TEST RESULTS SUBMITTED TO THE ENGINEER AND THE CITY OF THORNTON PRIOR TO FINAL ACCEPTANCE.

21. ALL WORK, INCLUDING CORRECTION WORK, SHALL BE INSPECTED BY A CITY REPRESENTATIVE WHO SHALL HAVE THE AUTHORITY TO HALT CONSTRUCTION WHEN STANDARD CONSTRUCTION PRACTICES ARE NOT BEING ADHERED TO.

22. DEVELOPER AND BUILDER SHALL REGULARLY PATROL THE PUBLIC LANDS ADJACENT TO THE DEVELOPMENT TO REMOVE CONSTRUCTION DEBRIS AND KEEP THE SITE CLEAN AND SAFE.

23. ALL SITE GRADING (EXCAVATION, EMBANKMENT, AND COMPACTION) SHALL CONFORM TO THE RECOMMENDATIONS OF THE LATEST SOILS INVESTIGATION FOR THIS PROPERTY AND SHALL FURTHER BE IN CONFORMANCE WITH THE CITY OF THORNTON STANDARDS AND SPECIFICATIONSFOR THE DESIGN AND CONSTRUCTION OF PUBLIC AND PRIVATE IMPROVEMENTS, LATEST EDITION. A CDPS GENERAL PERMIT FOR STORMWATER DISCHARGES ASSOCIATED WITH CONSTRUCTION ACTIVITIES SHALL BE OBTAINED PRIOR TO ANY GRADING BEING PERFORMED ON SITES ONE (1) ACRE OR LARGER IN SIZE. THESE PERMITS CAN BE OBTAINED FROM THE STATE WATER QUALITY CONTROL DIVISION.

24. NATURAL VEGETATION SHALL BE RETAINED AND PROTECTED WHEREVER POSSIBLE. EXPOSURE OF SOIL TO EROSION BY REMOVAL OR DISTURBANCE OF VEGETATION SHALL BE LIMITED TO THE AREA REQUIRED FOR IMMEDIATE CONSTRUCTION OPERATION AND FOR THE SHORTEST PRACTICAL PERIOD OF TIME.

25. TOPSOIL SHALL BE STOCKPILED TO THE EXTENT PRACTICABLE ON THE SITE FOR USE ON AREAS TO BE REVEGETATED. ANY AND ALL STOCKPILES SHALL BE LOCATED AND PROPER MEASURES TAKEN TO CONTROL EROSION AND SEDIMENT MOVEMENT.

26. AT ALL TIMES, THE PROPERTY SHALL BE MAINTAINED AND/OR WATERED TO PREVENT WIND-CAUSED EROSION. EARTHWORK OPERATIONS SHALL BE DISCONTINUED WHEN DUST SIGNIFICANTLY IMPACTS ADJACENT PROPERTY. IF EARTHWORK IS COMPLETE OR DISCONTINUED AND DUST FROM THE SITE CONTINUES TO CREATE PROBLEMS, THE OWNER/DEVELOPER SHALLIMMEDIATELY INSTITUTE MITIGATIVE MEASURES AND SHALL CORRECT DAMAGE TO ADJACENT PROPERTY.

27. PERMANENT SLOPES SHALL NOT EXCEED 4:1 (H:V) IN AREAS TO BE SEEDED OR SODDED. RETAINING WALLS SHALL BE REVIEWED AND APPROVED BY SEPARATE APPLICATION TO THE DEVELOPMENT ENGINEERING DIVISION.

28. THIS EROSION AND SEDIMENT CONTROL PLAN HAS BEEN SUBMITTED TO THE CITY OF THORNTON AND IS IN GENERAL CONFORMANCE WITH THE CITY’S EROSION CONTROL STANDARDS. ADDITIONAL EROSION AND SEDIMENT CONTROL MEASURE MAY BE REQUIRED OF THE OWNER AND HIS OR HER AGENTS DUE TO UNFORESEEN EROSION PROBLEM OR IF THE PROPOSEDEROSION CONTROL MEASURES DO NOT FUNCTION AS INTENDED. THE REQUIREMENTS OF THIS EROSION CONTROL PLAN AND THE OBLIGATION OF THE LANDOWNER SHALL RUN WITH THE LAND UNTIL SUCH TIME AS THE EROSION CONTROL PLAN IS PROPERLY COMPLETED, OFFICIALLY MODIFIED, OR VOIDED.

29. INSTALLATION OF WATER MAINS SHALL NOT BE PERMITTED UNTIL ALL COMPACTION RESULTS FOR SANITARY SEWERS HAVE BEEN SUBMITTED TO AND APPROVED BY THE CITY, ALL DESIGN SLOPES FOR SANITARY SEWER INSTALLATIONS HAVE BEEN VERIFIED AND APPROVED BY THE CITY, AND ALL APPLICABLE TESTING PROCEDURES HAVE BEEN CONDUCTED AND APPROVED IN WRITING.

30. NEW WATER MAINS 12 INCHES OR LESS SHALL BE AWWA STANDARD C-900-07 PVC DR -25 PRESSURE PIPE. WATER MAINS LARGER THAN 12 INCHES SHALL MEET AWWA C-905 PVC DR-21 OR DR-18 AS DETERMINED BY THE DEVELOPMENT ENGINEERING MANAGER. HYDRANT LEADS SHALL ONLY BE DIP.

31. WATER MAINS SHALL BE LAID IN CONFORMANCE WITH THE LATEST EDITION OF THE CITY OFTHORNTON STANDARDS AND SPECIFICATIONS FOR THE DESIGN AND CONSTRUCTION OF PUBLICAND PRIVATE IMPROVEMENTS AND SHALL BE SUBJECT TO CITY INSPECTION AND APPROVAL.

32. FIRE HYDRANTS SHALL BE LIMITED TO THE FOLLOWING MANUFACTURERS ONLY AND SHALL BE PAINTED ACCORDING TO THE LATEST EDITION OF THE CITY OF THORNTON STANDARDS ANDSPECIFICATIONS FOR THE DESIGN AND CONSTRUCTION OF PUBLIC AND PRIVATE IMPROVEMENTSPRIOR TO ACCEPTANCE.

MUELLER COMPANY – 5-1/4" SUPER CENTURIONWATEROUS COMPANY - MODEL WB-250-PACER

33. THERE SHALL BE A MINIMUM OF FOUR AND ONE HALF (4.5) FEET OF COVER FROM FINISHED GRADE TO THE TOP OF WATERLINES.

34. BEDDING AND BACKFILL MATERIALS FOR BOTH WATER AND SEWER SHALL CONFORM TO THE LATEST EDITION OF THE CITY OF THORNTON STANDARDS AND SPECIFICATIONS FOR THE DESIGNAND CONSTRUCTION OF PUBLIC AND PRIVATE IMPROVEMENTS.

35. THRUSTBLOCKS SHALL BE PLACED AT FITTINGS, TEES, BENDS, CROSSES, PLUGS, ETC., IN ACCORDANCE WITH THE LATEST EDITION OF THE CITY OF THORNTON STANDARDS ANDSPECIFICATIONS FOR THE DESIGN AND CONSTRUCTION OF PUBLIC AND PRIVATEIMPROVEMENTS.

36. IN ALL CASES, 10 FEET OF HORIZONTAL DISTANCE, AS MEASURED FROM EDGE OF PIPE TO EDGE OF PIPE, SHALL BEMAINTAINED BETWEEN WATER AND ANY SANITARY OR STORM SEWER OR AS

37. CONTRACTOR SHALL NOTIFY ALL RESIDENTS AND/OR BUSINESSES IN WRITING 48 HOURS PRIOR TO ANY SHUT-OFF IN SERVICE. THE NOTICES MUST HAVE CONTRACTOR'S PHONE NUMBER AND NAME OF CONTACT PERSON, AND EMERGENCY PHONE NUMBER FOR AFTER HOURS CALLS. ALL SHUT-OFF’S MUST BE APPROVED BY THE CITY’S INFRASTRUCTURE DEPARTMENT, AND CITY VALVES AND APPURTENANCES SHALL BE OPERATED BY CITY PERSONNEL, UNLESS WRITTEN PERMISSION IS GIVEN OTHERWISE.

38. RIM ELEVATIONS OF MANHOLE SHOWN ON THE PLAN AND PROFILE SHEETS ARE APPROXIMATE ONLY AND ARE NOT TO BE TAKEN AS FINAL ELEVATIONS. THE PIPELINE CONTRACTOR SHOULD ALLOW APPROXIMATELY THE TOP ONE (1) FOOT OF RIM ELEVATION TO BE ADJUSTED EITHER UP OR DOWN IN ORDER TO MATCH FINAL PAVEMENT ELEVATION. THE MAXIMUM ADJUSTMENT TO FINAL GRADE IS 12 INCHES WITH CONCRETE RINGS.

39. DURING CONSTRUCTION, CARE MUST BE TAKEN TO AVOID ANY GROUND WATER, STORM WATER, CONSTRUCTION DEBRIS, SOIL, OR ANY OTHER FOREIGN MATERIALS FROM ENTERING ANY ACTIVE CITY OF THORNTON SEWER. THE USE OF THE SANITARY SEWER SYSTEM FOR THE PURPOSES OF DEWATERING IS STRICTLY PROHIBITED.

40. ALL CONSTRUCTION ACTIVITIES DEWATERING MUST COMPLY WITH THE STATE OF COLORADO PERMITTING PROCESS FOR “STORMWATER DISCHARGES ASSOCIATED WITH CONSTRUCTION ACTIVITY.” FOR INFORMATION, PLEASE CONTACT COLORADO DEPARTMENT OF HEALTH, WATER QUALITY CONTROL DIVISION.

41. AFTER ANY OVERLAY OF AN EXISTING ROADWAY, WHERE CITY UTILITIES ARE PRESENT, THE DEVELOPER SHALL OPEN ALL MANHOLES AND VALVE BOXES FOLLOWING THE PAVING OPERATION TO ENSURE THAT MANHOLE AND VALVES WERE NOT PAVED OVER NOR FILLED WITH ASPHALT.

42. WHEN AN EXISTING ASPHALT STREET IS CUT, THE STREET MUST BE RESTORED TO A CONDITION EQUAL TO OR BETTER THAN ITS ORIGINAL CONDITION. THE EXISTING STREET CONDITION SHALL BE DOCUMENTED BY THE CITY OF THORNTON'S CONSTRUCTION INSPECTOR BEFORE ANY CUTS ARE MADE SHALL BE DONE IN CONFORMANCE WITH THE CITY OF THORNTON STANDARDS AND SPECIFICATIONS FOR THE DESIGN AND CONSTRUCTION OF PUBLIC AND PRIVATEIMPROVEMENTS. THE FINISHED PATCH SHALL BLEND SMOOTHLY INTO THE EXISTING SURFACE. ALL LARGE PATCHES SHALL BE PAVED WITH AN ASPHALT LAY-DOWN MACHINE. IN STREETS WHERE MORE THAN ONE CUT IS MADE, AN OVERLAY OF THE ENTIRE STREET WIDTH, INCLUDING THE PATCHED AREAS, MAY BE REQUIRED. THE DETERMINATION OF NEED FOR A COMPLETE OVERLAY SHALL BE MADE BY THE DEVELOPMENT ENGINEERING MANAGER.

43. PAVING SHALL NOT START UNTIL A GEOTECHNICAL REPORT AND PAVEMENT DESIGN HAVE BEEN APPROVED BY THE CITY OF THORNTON'S DEVELOPMENT ENGINEERING DIVISION AND SUBGRADE COMPACTION TEST AND PROOF ROLL HAVE BEEN PERFORMED AND THE RESULTS HAVE MET WITH THE APPROVAL OF THE CITY OF THORNTON. THE PAVEMENT DESIGN REPORT MUST BE SUBMITTED THREE (3) WEEKS PRIOR TO THE ANTICIPATED DATE OF PAVING.

44. ALL DAMAGED EXISTING CURB, GUTTER, AND SIDEWALK SHALL BE REPAIRED PRIOR TO ACCEPTANCE OF COMPLETED IMPROVEMENTS.

45. ALL CURB RETURNS WITHIN PUBLIC RIGHT-OF-WAY SHALL BE CONSTRUCTED WITH SIDEWALK RAMPS IN ACCORDANCE WITH THE CITY OF THORNTON STANDARDS AND SPECIFICATIONS FOR THE DESIGN AND CONSTRUCTION OF PUBLIC AND PRIVATE IMPROVEMENTS. ALL SIDEWALK RAMPS SHALL INCLUDE A TRUNCATED DOME DETECTABLE WARNING PATTERN AS SHOWN ON THE DETAIL SHEETS.

46. THE CONTRACTOR SHALL PROVIDE, ERECT AND MAINTAIN PROPER TRAFFIC CONTROL DEVICES UNTIL THE SITE IS OPEN TO TRAFFIC. THE CONTRACTOR SHALL SUBMIT A TRAFFIC CONTROL PLAN TO THE CITY OF THORNTON FOR APPROVAL PRIOR TO CONSTRUCTION.

47. REPAIR OF ANY DAMAGE TO EXISTING IMPROVEMENTS OR LANDSCAPING IS THE RESPONSIBILITY OF THE CONTRACTOR.

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Prepared Under The Direct Supervision Of:

Weylan A. Bryant, P.E. No. 28427For and on behalf of Engineering Service Company, Inc.

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PHONE: (303) 459-4947BROOMFIELD, COLORADO 8002111001 W. 120TH AVE.ATTN: JASON BROWNASCENT BUILDERS, INC.

SHEET TITLE

EG.0 COVER SHEET

EG.1 THRU EG.6 INITIAL GRADING PLANS

EG.7 INITIAL EROSION & SEDIMENT CONTROL PLAN

EG.8 THRU EG.11 SEDIMENT & EROSION CONTROL DETAILS

PROP. ELEVATION

LOW POINT

00.00

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HIGH POINTHP

EXIST. STORM SEWER LINE

EXIST. CONTOUR LINE

EXIST. MANHOLE

5100 PROP. CONTOUR LINE

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5150

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ADAMS COUNTY BM #208 - 3” DIAMETER ALUMINUM CAP SURVEY MARK STAMPED “95.0208 1995 2S68WS13” SET IN THE TOP OF A 5/8” FINNED ALUMINUM ROD ENCASED IN A 6” PVC PIE WITH A LOGO CAP ATTHE NORTHWEST CORNER OF COLORADO BOULEVARD AND EAST 100TH AVENUE. 146' NORTH OF THECENTERLINE OF 100TH AVENUE AND 134' WEST OF THE CENTERLINE OF COLORADO BOULEVARD.ELEVATION = 5220.58 FEET (NAVD 1988 DATUM)

1. THE CONTRACTOR IS SPECIFICALLY CAUTIONED THAT THE LOCATION AND/OR ELEVATION OFEXISTING UTILITIES AS SHOWN ON THESE PLANS IS BASED ON RECORDS OF THE VARIOUS UTILITYCOMPANIES, A UTILITY LOCATOR SERVICE AND, WHERE POSSIBLE, MEASUREMENTS TAKEN IN THEFIELD. THE INFORMATION IS NOT TO BE RELIED ON AS EXACT OR COMPLETE. THE CONTRACTORMUST CALL THE LOCAL UTILITY LOCATION CENTER AT LEAST 48 HOURS BEFORE ANY EXCAVATIONTO REQUEST EXACT FIELD LOCATIONS OF THE UTILITIES. IT SHALL BE THE RESPONSIBILITY OF THECONTRACTOR TO RELOCATE ALL EXISTING UTILITIES WHICH CONFLICT WITH THE PROPOSEDIMPROVEMENTS SHOWN ON THE PLANS.

2. ALL CONSTRUCTION OR CONSTRUCTION STAKING FOR THIS PROJECT SHALL BE DONE PER THESIGNED AND APPROVED CIVIL CONSTRUCTION PLANS. ENGINEERING SERVICE COMPANY IS NOTLIABLE FOR ANY DISCREPANCIES BETWEEN ANY BID SET AND/OR BUILDING SET AND THEAPPROVED CIVIL CONSTRUCTION PLANS.

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PROP. ELEVATION

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TUAT

ED IN

TH

E SW

1/4

OF

SEC

TIO

N 1

8, T

.2S.

, R.6

7W. O

F TH

E 6T

H P

.M.

CIT

Y O

F TH

OR

NTO

N, C

OU

NTY

OF

ADAM

S, S

TATE

OF

CO

LOR

ADO

1100

1 W

EST

120T

H A

VEN

UE

ATTN

: JAS

ON

BR

OW

N

BRO

OM

FIEL

D. C

OLO

RAD

O 8

0021

PHO

NE:

(303

) 459

-494

7

WW

W.U

NC

C.O

RG

CA

LL 8

11O

r The

One

-cal

l Cen

ter O

f Col

orad

o

28427



C I

V I

L E

N G

I N

E E

R S

| L

A N

D S

U R

V E

Y O

R S

1419

0 E

ast E

vans

Ave

nue

Aur

ora

, Co

lora

do

800

14

engi

neer

ings

ervi

ceco

.co

m

P 3

03.3

37.1

393

F 30

3.33

7.74

81T

/F 1

.877

.273

.065

9C

reat

ive

Sol

utio

ns S

ince

195

4

EN

GIN

EE

RIN

GS

ER

VIC

EC

OM

PA

NY





MATC

H LIN

E - S

EE S

HEET

EG.

3

MATC

H LIN

E - S

EE S

HEET

EG.

2

SCALE: 1"=200'

Col

orad

o Bl

vd.

E. 96th Wy.

Cle

rmon

t St.


(REC. NO. 20060424000412170)

5124

5123

5132

5131

5133

5135

5134

5132

5127

5128

5129

5129

5131

5122

5121

5126

5130

5129

5128

5132

5131

5130

5125

5130

5120

5125

5130

5131

PROP. ELEVATION

LOW POINT

00.00

LP

HIGH POINTHP


EXIST. CONTOUR LINE

EXIST. MANHOLE


TOP OF GRATETG

GRADE BREAKGB

TOP OF WALLTW

BOTTOM OF WALLBW

MATCH EXISITNGME

TOP OF STEPSTOS

BOTTOM OF STEPSBOS

RIV

ER V

ALLE

Y VI

LLAG

E SU

BDIV

ISIO

N -

AMEN

DM

ENT

NO

. 3SI

TUAT

ED IN

TH

E SW

1/4

OF

SEC

TIO

N 1

8, T

.2S.

, R.6

7W. O

F TH

E 6T

H P

.M.

CIT

Y O

F TH

OR

NTO

N, C

OU

NTY

OF

ADAM

S, S

TATE

OF

CO

LOR

ADO

1100

1 W

EST

120T

H A

VEN

UE

ATTN

: JAS

ON

BR

OW

N

BRO

OM

FIEL

D. C

OLO

RAD

O 8

0021

PHO

NE:

(303

) 459

-494

7

WW

W.U

NC

C.O

RG

CA

LL 8

11O

r The

One

-cal

l Cen

ter O

f Col

orad

o

28427



C I

V I

L E

N G

I N

E E

R S

| L

A N

D S

U R

V E

Y O

R S

1419

0 E

ast E

vans

Ave

nue

Aur

ora

, Co

lora

do

800

14

engi

neer

ings

ervi

ceco

.co

m

P 3

03.3

37.1

393

F 30

3.33

7.74

81T

/F 1

.877

.273

.065

9C

reat

ive

Sol

utio

ns S

ince

195

4

EN

GIN

EE

RIN

GS

ER

VIC

EC

OM

PA

NY





MATC

H LIN

E - S

EE S

HEET

EG.

2

SCALE: 1"=200'

Col

orad

o Bl

vd.

E. 96th Wy.

Cle

rmon

t St.


(REC. NO. 20060424000412170)

5145

5145

5150

5155

5150

5145

5145

5145

5144

5146

5147

5147

5146

5144

5143

5148

5149

5148

5147

5156

5149

5148

5152

5151

5153

5144

5146

5147

PROP. ELEVATION

LOW POINT

00.00

LP

HIGH POINTHP


EXIST. CONTOUR LINE

EXIST. MANHOLE


TOP OF GRATETG

GRADE BREAKGB

TOP OF WALLTW

BOTTOM OF WALLBW

MATCH EXISITNGME

TOP OF STEPSTOS

BOTTOM OF STEPSBOS

RIV

ER V

ALLE

Y VI

LLAG

E SU

BDIV

ISIO

N -

AMEN

DM

ENT

NO

. 3SI

TUAT

ED IN

TH

E SW

1/4

OF

SEC

TIO

N 1

8, T

.2S.

, R.6

7W. O

F TH

E 6T

H P

.M.

CIT

Y O

F TH

OR

NTO

N, C

OU

NTY

OF

ADAM

S, S

TATE

OF

CO

LOR

ADO

1100

1 W

EST

120T

H A

VEN

UE

ATTN

: JAS

ON

BR

OW

N

BRO

OM

FIEL

D. C

OLO

RAD

O 8

0021

PHO

NE:

(303

) 459

-494

7

WW

W.U

NC

C.O

RG

CA

LL 8

11O

r The

One

-cal

l Cen

ter O

f Col

orad

o

28427



C I

V I

L E

N G

I N

E E

R S

| L

A N

D S

U R

V E

Y O

R S

1419

0 E

ast E

vans

Ave

nue

Aur

ora

, Co

lora

do

800

14

engi

neer

ings

ervi

ceco

.co

m

P 3

03.3

37.1

393

F 30

3.33

7.74

81T

/F 1

.877

.273

.065

9C

reat

ive

Sol

utio

ns S

ince

195

4

EN

GIN

EE

RIN

GS

ER

VIC

EC

OM

PA

NY





MATC

H LIN

E - S

EE S

HEET

EG.

5


SCALE: 1"=200'

Col

orad

o Bl

vd.

E. 96th Wy.

Cle

rmon

t St.


(REC. NO. 20060424000412170)

5129

5140

5131

5129

5128

5127

5126

5127

5128

5128

5129

5135

5130

5130

5132

5131

5134 5133

5136

5131

5130

5132

5133

5134

5135

5136

5137

5138

5138

5137

5139

5141

5142

5143


(REC. NO. 20060424000412170)

5144

5142514351455146

PROP. ELEVATION

LOW POINT

00.00

LP

HIGH POINTHP


EXIST. CONTOUR LINE

EXIST. MANHOLE


TOP OF GRATETG

GRADE BREAKGB

TOP OF WALLTW

BOTTOM OF WALLBW

MATCH EXISITNGME

TOP OF STEPSTOS

BOTTOM OF STEPSBOS

RIV

ER V

ALLE

Y VI

LLAG

E SU

BDIV

ISIO

N -

AMEN

DM

ENT

NO

. 3SI

TUAT

ED IN

TH

E SW

1/4

OF

SEC

TIO

N 1

8, T

.2S.

, R.6

7W. O

F TH

E 6T

H P

.M.

CIT

Y O

F TH

OR

NTO

N, C

OU

NTY

OF

ADAM

S, S

TATE

OF

CO

LOR

ADO

1100

1 W

EST

120T

H A

VEN

UE

ATTN

: JAS

ON

BR

OW

N

BRO

OM

FIEL

D. C

OLO

RAD

O 8

0021

PHO

NE:

(303

) 459

-494

7

WW

W.U

NC

C.O

RG

CA

LL 8

11O

r The

One

-cal

l Cen

ter O

f Col

orad

o

28427



C I

V I

L E

N G

I N

E E

R S

| L

A N

D S

U R

V E

Y O

R S

1419

0 E

ast E

vans

Ave

nue

Aur

ora

, Co

lora

do

800

14

engi

neer

ings

ervi

ceco

.co

m

P 3

03.3

37.1

393

F 30

3.33

7.74

81T

/F 1

.877

.273

.065

9C

reat

ive

Sol

utio

ns S

ince

195

4

EN

GIN

EE

RIN

GS

ER

VIC

EC

OM

PA

NY





MATC

H LIN

E - S

EE S

HEET

EG.

6

MATC

H LIN

E - S

EE S

HEET

EG.

4

SCALE: 1"=200'

Col

orad

o Bl

vd.

E. 96th Wy.

Cle

rmon

t St.


5121

5124

5123

5122

5121

5122

5126

5124

5123

5127

5125 5120

5128

5127

5129

5130

PROP. ELEVATION

LOW POINT

00.00

LP

HIGH POINTHP


EXIST. CONTOUR LINE

EXIST. MANHOLE


TOP OF GRATETG

GRADE BREAKGB

TOP OF WALLTW

BOTTOM OF WALLBW

MATCH EXISITNGME

TOP OF STEPSTOS

BOTTOM OF STEPSBOS

RIV

ER V

ALLE

Y VI

LLAG

E SU

BDIV

ISIO

N -

AMEN

DM

ENT

NO

. 3SI

TUAT

ED IN

TH

E SW

1/4

OF

SEC

TIO

N 1

8, T

.2S.

, R.6

7W. O

F TH

E 6T

H P

.M.

CIT

Y O

F TH

OR

NTO

N, C

OU

NTY

OF

ADAM

S, S

TATE

OF

CO

LOR

ADO

1100

1 W

EST

120T

H A

VEN

UE

ATTN

: JAS

ON

BR

OW

N

BRO

OM

FIEL

D. C

OLO

RAD

O 8

0021

PHO

NE:

(303

) 459

-494

7

WW

W.U

NC

C.O

RG

CA

LL 8

11O

r The

One

-cal

l Cen

ter O

f Col

orad

o

28427



C I

V I

L E

N G

I N

E E

R S

| L

A N

D S

U R

V E

Y O

R S

1419

0 E

ast E

vans

Ave

nue

Aur

ora

, Co

lora

do

800

14

engi

neer

ings

ervi

ceco

.co

m

P 3

03.3

37.1

393

F 30

3.33

7.74

81T

/F 1

.877

.273

.065

9C

reat

ive

Sol

utio

ns S

ince

195

4

EN

GIN

EE

RIN

GS

ER

VIC

EC

OM

PA

NY





MATC

H LIN

E - S

EE S

HEET

EG.

5

SCALE: 1"=200'

Col

orad

o Bl

vd.

E. 96th Wy.

Cle

rmon

t St.

5150

5155

5160

51405145

51555160

51505145

5140

5140

5145

5145

5150

5155

5170

5155

5160

5150

5145

5145

5145

5140

5135 5130

5125

5120

5130

5130

5125

5130

5120

5125

5130

5130

5135

5140

5145

5130

LO

T 1

C

LO

T 2

C

LO

T 3

C

LO

T 4

C

LO

T 5

C

LO

T 6

C

LO

T 7

C

LO

T 8

C

LO

T 9

C

LO

T 1

0C

LO

T 1

1C

LO

T 1

2C

LO

T 1

3C

LO

T 1

4C

LO

T 1

5C

LO

T 1

6C

LO

T 1

7C

LO

T 1

8C

LO

T 1

9C

LO

T 2

0C

LO

T 2

1C

LO

T 2

2C

LO

T 2

3C

LO

T 2

4C

LO

T 2

5C

LO

T 2

6C

LO

T 2

7C

LO

T 2

8C

LO

T 2

9C

LO

T 3

0C

LO

T 3

1C

TR

AC

T "A

3"

LOT 2C

LOT 3C

LOT 4C

LOT 5C

LOT 6C

LOT 7C

LOT 8C

LOT 9C

LOT 10C

LOT 11C

LOT 12C

TRACT "B3"

LOT 1C

LOT 2C

LOT 3C

LOT 4C

LOT 5C

LOT 6C

LOT 7C

LOT 8C

LOT 9C

LOT 1C

LOT 1C

LOT 2C

LOT 3C

LOT 4C

LOT 5C

TRACT "C3"

TRACT "D3"

LOT 2C

LOT 3C

LOT 4C

LOT 5C

LOT 6C

LOT 7C

LOT 8C

LOT 9C

LOT 10C

LOT 11C

LOT 21C

LOT 20C

LOT 19C

LOT 18C

LOT 17C

LOT 16C

LOT 15C

LOT 14C

LOT 13C

LOT 12C

LOT 22C LOT 1C

LOT 2C

LOT 3C

LOT 4C

LOT 5C

LOT 6C

LOT 7C

LOT 8C

LOT 9C

LOT 1C

TRACT "E3"

TRACT "F3"

LO

T 8

C

LO

T 7

C

LO

T 6

C

LO

T 5

C

LO

T 4

C

LO

T 3

C

LO

T 2

C

LO

T 1

C

LOT 10C

LOT 9C

LOT 11C

LOT 12C

LOT 13C

LOT 14C

LOT 15C

LOT 1C

LOT 2C

LOT 3C

LOT 4C

LOT 5C

LOT 7C

LOT 6C

LOT 8CLO

T 9CLOT 10C

LOT 14CLOT 15C

LOT 13C

LOT 12C

LOT 11C

LOT 18C

LOT 17C

LOT 16C

LOT 19C

LOT 20C

LOT 21C

TRACT "G3"

LOT 2C

LOT 3C

LOT 4C

LOT 5C

LOT 6C

LOT 7C

LOT 8C

LOT 9C

LOT 10C

LOT 15C

LOT 16C

LOT 14C

LOT 13C

LOT 12C

LOT 11C

LOT 1C

TRACT "H3"

LOT 1C

LOT 2C

LOT 3C

LOT 4C

LOT 5C

LOT 7C

LOT 8C

LOT 9C

LOT 10C

LOT 11C

LOT 12C

LOT 13C

LOT 14C

LOT 15C

LOT 16C

LOT 18C

LOT 19C

LOT 20C

TRACT "I3"

EAST 98TH PLACE TRACT "J3"

ASH

LANE

T

RA

CT

"J3"

ALBI

ON LA

NE

TR

AC

T "J

3"

EAST 97TH AVENUE TRACT "J3"

BIRCH LA

NE TRACT "J

3"

CLER

MONT

LANE

T

RA

CT

"J3"

BLOCK 1

BLOCK 2

BLOCK 3

BLOCK 4

BLOCK 5

BLOCK 6

BLOCK 7

BLOCK 8

BLOCK 8

BLOCK 9

BLOCK 10

TRACT "F3"

TRACT "F3"

EAST 96TH WAY

CLERMONT STREET

UNPLATTED

COLO

RADO

BOU

LEVA

RD

COLO

RADO

AGRI

CULT

URAL

DITC

H

CW

VTC

SSA

SP

SB50'x400'

VOL.=37,800 C.F.

SB40'x100'

VOL.=19,800 C.F.

ED/DS

ED/D

S

ED/DS

ED/DS

ED/DS

SFX2

SFX2

SFX2

SF

SF

SF

SF

LOCLOC

LOC

LOC

IP-1

IP-1

IP-1

CS

CLER

MONT

STR

EET

SB30'x90'

VOL.=16,600 C.F.ED/DSED/DS

ED/DS

TSD

TSD

TSDX2

TSD

TSD

TSD

CF

SF

EXISTING 48" TEMPORARYCMP CROSSING WITHSTACKED STONEHEADWALLS, BOTH ENDS

IP-1

IP-1

IP-1

CLER

MONT

STR

EET

RIV

ER V

ALLE

Y VI

LLAG

E SU

BDIV

ISIO

N -

AMEN

DM

ENT

NO

. 3SI

TUAT

ED IN

TH

E SW

1/4

OF

SEC

TIO

N 1

8, T

.2S.

, R.6

7W. O

F TH

E 6T

H P

.M.

CIT

Y O

F TH

OR

NTO

N, C

OU

NTY

OF

ADAM

S, S

TATE

OF

CO

LOR

ADO

1100

1 W

EST

120T

H A

VEN

UE

ATTN

: JAS

ON

BR

OW

N

BRO

OM

FIEL

D. C

OLO

RAD

O 8

0021

PHO

NE:

(303

) 459

-494

7

WW

W.U

NC

C.O

RG

CA

LL 8

11O

r The

One

-cal

l Cen

ter O

f Col

orad

o

28427



C I

V I

L E

N G

I N

E E

R S

| L

A N

D S

U R

V E

Y O

R S

1419

0 E

ast E

vans

Ave

nue

Aur

ora

, Co

lora

do

800

14

engi

neer

ings

ervi

ceco

.co

m

P 3

03.3

37.1

393

F 30

3.33

7.74

81T

/F 1

.877

.273

.065

9C

reat

ive

Sol

utio

ns S

ince

195

4

EN

GIN

EE

RIN

GS

ER

VIC

EC

OM

PA

NY




3. ALL STORM SEWER IS PRIVATE AND IS DESIGNED FOR A 100-YEAR EVENT.


EXIST. CONTOUR LINE

EXIST. MANHOLE

CONCRETE WASHOUT AREA

INLET PROTECTION - SUMP

EARTHEN DIKE/DRAINAGE SWALE

SILT FENCE

LIMITS OF CONSTRUCTION

STABILIZED STAGING AREA

STOCKPILE

VEHICLE TRACKING CONTROL

SEDIMENT BASIN

CURB SOCKS

TEMPORARY SLOPE DRAIN

BASIN SPILLWAY

CONSTRUCTION FENCE

RIV

ER V

ALLE

Y VI

LLAG

E SU

BDIV

ISIO

N -

AMEN

DM

ENT

NO

. 3SI

TUAT

ED IN

TH

E SW

1/4

OF

SEC

TIO

N 1

8, T

.2S.

, R.6

7W. O

F TH

E 6T

H P

.M.

CIT

Y O

F TH

OR

NTO

N, C

OU

NTY

OF

ADAM

S, S

TATE

OF

CO

LOR

ADO

1100

1 W

EST

120T

H A

VEN

UE

ATTN

: JAS

ON

BR

OW

N

BRO

OM

FIEL

D. C

OLO

RAD

O 8

0021

PHO

NE:

(303

) 459

-494

7

WW

W.U

NC

C.O

RG

CA

LL 8

11O

r The

One

-cal

l Cen

ter O

f Col

orad

o

28427



C I

V I

L E

N G

I N

E E

R S

| L

A N

D S

U R

V E

Y O

R S

1419

0 E

ast E

vans

Ave

nue

Aur

ora

, Co

lora

do

800

14

engi

neer

ings

ervi

ceco

.co

m

P 3

03.3

37.1

393

F 30

3.33

7.74

81T

/F 1

.877

.273

.065

9C

reat

ive

Sol

utio

ns S

ince

195

4

EN

GIN

EE

RIN

GS

ER

VIC

EC

OM

PA

NY

call 811 early grading permit … grading permit construction drawings cornerstone townhomes ii...

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