Crescent City FY20 Plans.pdf

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C:\Users\L3ET9FS9\Desktop\E-Documents\O&M\Crescent City\FY20\Plans\CAD\ Crescent_City_O&M_2020 (G).dwg 02 Jun 2020 - 1:07pm

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SOLICITATION

US Army Corps of Engineers

San Francisco District

DEL NORTE COUNTY, CALIFORNIA

CRESCENT CITY HARBOR FY20

MAINTENANCE DREDGING PROJECT

SOLICITATION NO: W912P7-20-B-0011

CONTRACT NO: W912P7-20-C-00XX

ISSUE DATE: JUNE 2020

SUBMITTED BY:

SON T. HA, P.E., P.M.P. DATE

CHIEF, ENGINEERING BRANCH

APPROVED BY:

SUSAN KELLY, P.E., P.M.P. DATE

CHIEF, ENGINEERING AND TECHNICAL SERVICES DIVISION

PREPARED UNDER THE DIRECTION OF:

JOHN D. CUNNINGHAM, P.E., P.M.P.

LT. COLONEL, DISTRICT COMMANDER

THIS PROJECT WAS DESIGNED BY THE SAN FRANCISCO DISTRICT OF

THE U.S. ARMY CORPS OF ENGINEERS. THE INITIALS OR SIGNATURES

AND REGISTRATION DESIGNATIONS OF INDIVIDUALS THAT APPEAR

ON THESE PROJECT DOCUMENTS ARE WITHIN THE SCOPE OF THEIR

EMPLOYMENT AS REQUIRED BY ER1110-1-8152.

SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION

AND APPROVAL OF DRAWINGS IN THIS SET.

G-01

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LOCATION MAP

NOT TO SCALE

PROJECT

AREA

WHALER ISLAND

NEARSHORE SITE

MARINA ACCESS

CHANNEL

INNER HARBOR

BASIN CHANNEL (NIC)

ENTRANCE

CHANNEL (NIC)

CITIZEN'S DOCK

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C:\Users\L3ET9FS9\Desktop\E-Documents\O&M\Crescent City\FY20\Plans\CAD\ Crescent_City_O&M_2020 (G).dwg 02 Jun 2020 - 9:33am

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VERTICAL CONTROL

VERTICAL CONTROL: "B.M. TIDAL 20" 1959 RESET 1960, USC&GS

DISK, 13.46' MLLW, LOCATED AT COORDINATES N2526793.45,

E5965753.79.

HORIZONTAL GPS CONTROL

COAST GUARD D-GPS

2' ALLOWABLE OVERDEPTH

(PAID AND NON-PAID)

EL. 0.00 FEET M.L.L.W.

1' ALLOWABLE (PAID) OVERDEPTH

PROJECT DEPTH

NOTE:

SEE SPECIFICATION SECTION 35 20 23 (DREDGING) FOR DETAILS

1' ALLOWABLE OVERDEPTH (NON-PAID)

GENERAL NOTES:

1. BATHYMETRIC SURVEYS PERFORMED BY THE U.S ARMY CORPS OF

ENGINEERS, SAN FRANCISCO DISTRICT ON 07 FEBRUARY 2020 FOR THE

CRESCENT CITY HARBOR.

2. BATHYMETRIC SURVEY SOUNDINGS ARE BASED ON THE DATUM OF MEAN

LOWER LOW WATER (MLLW) AT THE LOCALITY.

3. DRAWINGS ARE NOT TO BE USED AS NAVIGATION CHARTS.

4. INFORMATION SHOWN ON THE DRAWINGS IS BASED ON BATHYMETRIC

SURVEYS MADE ON THE DATES INDICATED AND CAN ONLY BE CONSIDERED

FOR THE GENERAL CONDITIONS EXISTING AT THAT TIME.

5. BATHYMETRIC SURVEY SOUNDINGS WERE TAKEN BY FATHOMETER

(MULTI-BEAM SURVEY EQUIPMENT) AND ARE SHOWN TO THE NEAREST TENTH

OF A FOOT.

6. COORDINATES ARE BASED ON THE CALIFORNIA STATE PLANE COORDINATE

SYSTEM OF 1983 (CCS83), LAMBERT CONFORMAL PROJECTION ZONE I, IN FOOT,

AS DESCRIBED IN SPECIAL PUBLICATION NO. 253, PUBLISHED BY NATIONAL

OCEAN SURVEY.

7. THE PROJECT DEPTH IS -15 FEET MLLW FOR THE MARINA ACCESS CHANNEL.

8. DISPOSAL SITE: WHALER ISLAND NEARSHORE SITE.

9. AERIAL IMAGE COURTESY OF ESRI, DIGITALGLOBE, GEOEYE, EARTHSTAR

GEOGRAPHICS, CNES/AIRBUS DS, USDA, USGS, AEX, GETMAPPING, AEROGRID,

IGN, IGP, SWISSTOPO, AND THE GIS USER COMMUNITY.

10. THE LOCATION OF ALL NAVIGATION AIDS ARE BASED ON INFORMATION

PROVIDED BY THE U.S. COAST GUARD. BUOY LOCATION REPRESENTS THE

POSITION OF THE SINKER ONLY.

11. SEDIMENT SAMPLING AND TESTING RESULTS AVAILABLE UPON REQUEST.

SHEET SHEET

NUMBER ID DESCRIPTION

01 G-01 COVERSHEET

02 G-02 SCHEDULE OF DRAWINGS, GENERAL NOTES AND

TYPICAL DREDGING SECTION

03 G-03 PROJECT REFERENCE SUMMARY

04 C-01 DREDGING PLAN

SCHEDULE OF DRAWINGS

TYPICAL DREDGING SECTION

NOT TO SCALE

MATERIAL TO BE DREDGED (PAID)

NO DREDGING ON SIDE SLOPES

(SEE NOTE BELOW)

EXISTING CHANNEL BOTTOM

SIDE-SLOPE PRISM

CHANNEL WIDTH VARIES

SEE PLAN

ABBREVIATIONS:

MLLW MEAN LOWER LOW WATER

NIC NOT IN CONTRACT

WA

WB

WC

WD

POINT NORTHING EASTING

WA 2,525,073.21 5,966,085.31

WB 2,524,896.90 5,965,838.54

WC 2,524,685.28 5,965,907.57

WD 2,524,831.33 5,966,273.90

WHALER ISLAND NEARSHORE SITE CONTROL POINTS

WHALER ISLAND NEARSHORE SITE

200'0' 100'

SCALE: 1" = 100'

300'

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C:\Users\L3ET9FS9\Desktop\E-Documents\O&M\Crescent City\FY20\Plans\CAD\ Crescent_City_O&M_2020 (G).dwg 02 Jun 2020 - 9:33am

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SOLICITATION

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NOTE:

REFER TO LOCATION MAP ON SHEET G-01 FOR

PROJECT LOCATION.

DD CC

BBAA

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WHALER ISLAND NEARSHORE SITE

ENTRANCE CHANNEL (NIC)

INNER HARBOR BASIN (NIC)

MARINA ACCESS CHANNEL

PROJECT SITE REFERENCE PLAN

D

MD

POINT NORTHING EASTING

WA 2,525,073.21 5,966,085.31

WB 2,524,896.90 5,965,838.54

WC 2,524,685.28 5,965,907.57

WD 2,524,831.33 5,966,273.90

WHALER ISLAND DISPOSAL SITE CONTROL POINTS

WA

WB

WC

WD

POINT NORTHING EASTING

A 2,525,702.48 5,965,454.87

B 2,526,287.40 5,965,075.79

C 2,526,428.90 5,964,896.75

D 2,526,387.82 5,964,640.82

E 2,526,417.87 5,964,510.66

F 2,526,320.06 5,964,291.44

G 2,526,002.91 5,964,100.94

H 2,525,555.38 5,964,112.28

J 2,525,550.74 5,964,312.18

K 2,525,949.44 5,964,302.32

L 2,526,163.01 5,964,430.39

M 2,526,207.95 5,964,530.87

N 2,526,142.53 5,964,811.88

P 2,525,845.23 5,965,004.97

Q 2,525,530.41 5,965,208.23

AA 2,524,016.94 5,964,016.64

BB 2,524,024.90 5,964,336.54

CC 2,523,325.11 5,964,353.96

DD 2,523,317.15 5,964,034.06

CHANNEL ALIGNMENT CONTROL POINTS

POINT NORTHING EASTING

MA 2,526,683.00 5,964,340.91

MB 2,526,813.90 5,965,466.85

MC 2,527,049.75 5,965,566.98

MD 2,527,090.90 5,965,533.54

ME 2,527,207.90 5,965,656.54

MF 2,527,102.90 5,965,741.54

MG 2,526,809.28 5,965,617.15

MH 2,526,720.90 5,965,658.54

MJ 2,526,594.90 5,965,569.54

MK 2,526,471.90 5,965,354.54

CHANNEL ALIGNMENT CONTROL POINTS

MK

400'0' 200'

SCALE: 1" = 200'

600'

LEGEND

-15.0

-16.0

0.0 TO -15.0

-15.0 TO -16.0

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C:\Users\L3ET9FS9\Desktop\E-Documents\O&M\Crescent City\FY20\Plans\CAD\ Crescent_City_O&M_2020 (C).dwg 02 Jun 2020 - 1:15pm

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SOLICITATION

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200'0' 100'

SCALE: 1" = 100'

300'

PELICAN ROCK

DREDGING PLAN

MARINA ACCESS CHANNEL

TOE OF CHANNEL, TYP.

CITIZEN'S DOCK