Trinidad ASBS Stormwater Improvement Project - Phase 2

Attachment 9

Keep Existing Outfall Alternative

(Figure 3 from GHD 2018)

718 Third Street Eureka CA 95501 USA T 707 443 8326 F 707 444 8330 E eureka@ghd.com W www.ghd.com

Main Street

Trinit

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et

Edwards Street

Stage

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Ocea

n Ave

nue

Ewing

Stree

t

Underwood Drive

View Avenue

Scenic Drive

\\ghdnet\ghd\US\Eureka\Projects\Legacy\Projects\2005 & Beyond\01063 City of Trinidad\01063-07-001 Consulting Services for City\GIS\Maps\Deliverables\01063-07-001_03_Alternative1.mxd© 2017. While every care has been taken to prepare this map, GHD make no representations or warranties about its accuracy, reliability, completeness or suitability for any particular purpose and cannot accept liability and responsibility of any kind(whether in contract, tort or otherwise) for any expenses, losses, damages and/or costs (including indirect or consequential damage) which are or may be incurred by any party as a result of the map being inaccurate, incomplete or unsuitable in any way and for any reason.

0 50 100 150 200

FeetMap Projection: Lambert Conformal ConicHorizontal Datum: North American 1983

Grid: NAD 1983 StatePlane California I FIPS 0401 Feet

City of TrinidadTrinidad ASBS Stormwater ProjectUSDA Preliminary Engineering Report

Figure 3

Job NumberRevision A

01063-07-001

09 Aug 2017o Date

Data source: ESRI, Aerial Maps, 2010. GHD Inc., Field Points, 2012. Created by:jclark2

Paper Size 11" x 17" (ANSI B) Approximate PotentialArea for TreatmentSystem

Alternative 1

Trinidad ASBS Stormwater Improvement Project - Phase 2

Attachment 10

NRCS Web Soil Survey Map

Soil Map—Humboldt and Del Norte Area, California(Trinidad Stormwater Phase 2)

Natural ResourcesConservation Service

Web Soil SurveyNational Cooperative Soil Survey

5/22/2018Page 1 of 3

4545

620

4545

700

4545

780

4545

860

4545

940

4546

020

4546

100

4545

620

4545

700

4545

780

4545

860

4545

940

4546

020

4546

100

403240 403320 403400 403480 403560 403640 403720 403800 403880 403960 404040

403240 403320 403400 403480 403560 403640 403720 403800 403880 403960 404040

41° 3' 38'' N12

4° 9

' 5'' W

41° 3' 38'' N

124°

8' 3

0'' W

41° 3' 21'' N

124°

9' 5

'' W

41° 3' 21'' N

124°

8' 3

0'' W

N

Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 10N WGS840 150 300 600 900

Feet0 50 100 200 300

MetersMap Scale: 1:3,740 if printed on A landscape (11" x 8.5") sheet.

Soil Map may not be valid at this scale.

Trinidad ASBS Stormwater Improvement Project - Phase 2

Attachment 11

EnviroStor Search Results

Trinidad, CA 95570, USA

LIMIT TO SITES WITHIN 5000 FEET OF THIS LOCATION GO

REMOVE SEARCH RADIUS

Map data ©2018 GoogleReport a map error500 m 

ENVIROSTORSites and Facil i t ies

Cleanup Sites

Federal Superfund State Response

Voluntary Cleanup School Cleanup

Evaluation School Investigation

Military Evaluation Tiered Permit

Corrective Action STATUS

All Statuses

Permitted Sites

Operating Post-Closure

Non-Operating

Other Sites

GIS Layers

Tools

TAKE A TOUR SHARE THIS MAP

SITES FOUND IN SEARCH RADIUS 0 SITES LISTED EXPORT THIS LIST TO EXCEL PROJECT NAME STATUS PROJECT TYPE ADDRESS CITY

Trinidad, ca Map Address

Trinidad ASBS Stormwater Improvement Project - Phase 2

Attachment 12

GeoTracker Search Results

 

Trinidad ASBS Stormwater Improvement Project - Phase 2

Attachment 13

Fire Severity Rating Map

Source: Humboldt County GIS, Esri, HERE, Garmin, © OpenStreetMapcontributors, and the GIS user community, Source: Esri, DigitalGlobe,GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID,IGN, and the GIS User Community, FRAP, FEMA, USGS

Highways and RoadsPrincipal ArterialsMinor ArterialsMajor CollectorsMinor CollectorsLocal Roads

Private or UnclassifiedMajor River or Stream

Blue LineStreams

Perennial 1-3Perennial >4Intermittent

SubsurfaceCity BoundaryCity Boundary (750K)CountiesParcels (no APN labels)

Fire HazardSeverity

Very HighHighModerate

Humboldt County Planning and Building DepartmentFire Severity

Printed: April 5, 2019 Web AppBuilder 2.0 for ArcGISMap Disclaimer:While every effort has been made to assure the accuracy of this information,it should be understood that it does not have the force & effect of law, rule, orregulation. Should any difference or error occur, the law will take precedence.

µ0 2,800 5,6001,400 Feet

0 0.5 10.25 MilesRF= 1:36,112 1 in = 3,009 ft

Trinidad ASBS Stormwater Improvement Project - Phase 2

Attachment 14

Trinidad Planning Area Watersheds

(Draft General Plan Figure 6)

P A C I F I CO C E A N

T R IN I DA DBAY

TWO CREEKS CK.

JOLAND CK.

LUFFENHOLTZ CK.

DEADMAN'S C

K.MARTIN CK.

HOBSON CK.

MCNEIL CK.

SAVAGE CK.

BURRIS CK.

PARKER CK.MILL CK.

MCCONNAHAS MILL CK.

UNNAMEDCK.

ASBS BOUNDARY

WatershedsTrinidad General Plan (DRAFT)

SHN 016105.006Figure 6GP2018_Fig6_WatershedsAugust 2018

City of TrinidadGeneral Plan

Trinidad, California

EXPLANATION PLANNING AREA TRINIDAD CITY LIMITS WESTHAVEN COMMUNITY SERVICE DISTRICT WATERSHED BOUNDARIES STREAMS

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Trinidad ASBS Stormwater Improvement Project - Phase 2

Attachment 15

Flood Hazards Map

Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/AirbusDS, USDA, USGS, AeroGRID, IGN, and the GIS User Community

National Flood Hazard Layer FIRMette

0 500 1,000 1,500 2,000250Feet

Ü

124°

9'8.29

"W

41°3'43.74"N

124°8'30.83"W

41°3'16.61"N

SEE FIS REPORT FOR DETAILED LEGEND AND INDEX MAP FOR FIRM PANEL LAYOUT

SPECIAL FLOODHAZARD AREAS

Without Base Flood Elevation (BFE)Zone A, V, A99

With BFE or DepthZone AE, AO, AH, VE, ARRegulatory Floodway

0.2% Annual Chance Flood Hazard, Areasof 1% annual chance flood with averagedepth less than one foot or with drainageareas of less than one square mile Zone XFuture Conditions 1% AnnualChance Flood Hazard Zone XArea with Reduced Flood Risk due toLevee. See Notes. Zone XArea with Flood Risk due to Levee Zone D

NO SCREEN Area of Minimal Flood Hazard Zone X

Area of Undetermined Flood Hazard Zone D

Channel, Culvert, or Storm SewerLevee, Dike, or Floodwall

Cross Sections with 1% Annual Chance17.5 Water Surface Elevation

Coastal Transect

Coastal Transect BaselineProfile BaselineHydrographic Feature

Base Flood Elevation Line (BFE)

Effective LOMRs

Limit of StudyJurisdiction Boundary

Digital Data AvailableNo Digital Data AvailableUnmapped

This map complies with FEMA's standards for the use of digital flood maps if it is not void as described below. The base map shown complies with FEMA's base map accuracy standardsThe flood hazard information is derived directly from theauthoritative NFHL web services provided by FEMA. This mapwas exported on 5/22/2018 at 5:07:32 PM and does notreflect changes or amendments subsequent to this date andtime. The NFHL and effective information may change orbecome superseded by new data over time.This map image is void if the one or more of the following mapelements do not appear: base map imagery, flood zone labels,legend, scale bar, map creation date, community identifiers,FIRM panel number, and FIRM effective date. Map images forunmapped and unmodernized areas cannot be used forregulatory purposes.

Legend

OTHER AREAS OFFLOOD HAZARD

OTHER AREAS

GENERALSTRUCTURES

OTHERFEATURES

MAP PANELS

8

1:6,000

B 20.2

Trinidad ASBS Stormwater Improvement Project - Phase 2

Attachment 16

Tsunami Hazards Zone

Source: Humboldt County GIS, Esri, HERE, Garmin, © OpenStreetMapcontributors, and the GIS user community, Source: Esri, DigitalGlobe,GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID,IGN, and the GIS User Community, FRAP, FEMA, USGS

Highways and RoadsPrincipa l Ar teria ls

Minor Ar teria ls

Major Collectors

Minor Collectors

Local Roads

Private or Unclassi fied

Major River or StreamBlue LineStreams

Perennial 1-3

Perennial >4

Intermittent

Subsurface

City BoundaryCounties

Parcels (no APN labels)

Tsunam i Evacuation Area

Humboldt County Planning and Building DepartmentTsunami

Printed: April 8, 2019 Web AppBuilder 2.0 for ArcGISMap Disclaimer:While every effort has been made to assure the accuracy of this information,it should be understood that it does not have the force & effect of law, rule, orregulation. Should any difference or error occur, the law will take precedence.

µ0 700 1,400350 Feet

0 0.1 0.20.05 MilesRF= 1:9,028 1 in = 752 ft

Trinidad ASBS Stormwater Improvement Project - Phase 2

Attachment 17

Trinidad Trails Map

(Draft General Plan Figure 10)

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Recreation & TrailsTrinidad General Plan (DRAFT)

SHN 016105.006Figure 10GP2018_Fig10_Recreation_TrailsSeptember 2018

City of TrinidadGeneral Plan

Trinidad, California

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PHOTO SOURCE:GOOGLE, MAY 2016