113352-Waukegan_Harbor_RTA_Dredging-_Dredge_Plan_RGB.pdf

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Waukegan Harbor Approach Channel Dredging, Waukegan, IL
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W912P617B0004
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Text version

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IDENTIFICATION

SHEET

®of Engineers

US Army Corps of Engineers

US Army Corps

Chicago District

®of Engineers

US Army Corps of Engineers

US Army Corps

Chicago District

NN NN

SHEET OF

LOCATION MAP VICINITY MAP

(N.T.S.) (N.T.S.)

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WAUKEGAN HARBOR APPROACH

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LOCATION

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LOCATION

PROJECT

Date: 19 JULY 2017

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WAUKEGAN, IL

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MAINTENANCE DREDGING FY17

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CERTIFIED FINAL - READY TO ADVERTISE

NOTES:

1. ALL COORDINATES SHOWN ARE REFERENCED TO THE ILLINOIS STATE PLANE COORDINATE SYSTEM, EAST ZONE, NORTH AMERICAN DATUM OF 1983 (NAD83) U.S. FEET.

2. ALL ELEVATIONS SHOWN ARE REFERENCED TO THE INTERNATIONAL GREAT LAKES DATUM OF 1985 (IGLD85) U.S.

FEET OR LOW WATER DATUM (LWD) AS INDICATED.

3. ALL HORIZONTAL AND VERTICAL CONTROL POINTS ARE REFERENCED TO NGS MONUMENTS DG8501.

4. THE CONTRACTOR SHALL PLACE DREDGE MATERIAL AT THE PLACEMENT AREA DESIGNATED BY THE GOVERNMENT. PLACEMENT AREA MAY BE EXTENDED SOUTHWARD IF THE CONTRACTOR ENCOUNTERS SHALLOW

DEPTHS DURING MATERIAL PLACEMENT.

5. THE CONTRACTOR IS RESPONSIBLE FOR ESTABLISHING A SAFE AND SECURE TIE UP AREA AS APPROVED BY THE

COR DURING BUT NOT LIMITED TO DOWN TIMES, HOLIDAY, AND ADVERSE WEATHER DAYS.

6. SEE THE TABLE ON THIS SHEET FOR THE COORDINATES FOR ALL 3 SHIPWRECKS.

7. AREAS TO BE DREDGED WILL BE IDENTIFIED VIA SURVEY CONDUCTED DURING CALENDAR YEAR THAT DREDGING

IS TO BE COMPLETED.

8. NO DREDGING TO BE PERFORMED WITHIN 50 FEET OF NORTH BREAKWATER.

9. DREDGING UNDER THIS CONTRACT WILL NOT BEGIN UNTIL CALENDAR YEAR 2018. THE SEDIMENT IDENTIFIED

WITHIN THE CHANNEL WILL BE DREDGED FIRST.

#0 #0#0#0

ADVANCE

MAINTENANCE

DREDGING

1,124,100:2,069,400

1,124,100:2,066,400

1,122,100:2,069,400

1,122,100 :2,066,400

PLACEMENT AREA

79-2

79-7

79-3

79-4

1,129,600:2,117,800

1,129,600:2,116,500

1,128,100:2,117,800

1,128,100 :2,116,500

OPTIONAL PLACEMENT AREA

NORTH

BREAKWATER

Approach ChannelInner Harbor

Out er Harbor

321 4 5

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IDENTIFICATION

US Army Corps

CS-101

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of Engineers Chicago District

79-2 584.41 6.9 STANDARD ARMY CORPS DISK

79-3 585.58 7.97 STANDARD ARMY CORPS DISK

79-4 583.29 5.9 STANDARD ARMY CORPS DISK

79-7 585.67 8.13 STANDARD ARMY CORPS DISK

HORIZONTAL & VERTICAL CONTROL POINTS

2,074,476.546 2,074,460.551 2,075,084.892 2,074,734.916

1,122,631.908 1,124,760.321 1,125,464.667 1,123,254.909

POINT IL EAST NAD83 STATEPLANE COORDINATES ELEV.

IGLD85

ELEV.

LWD DESCRIPTIONNORTHING (Y) EASTING (X)

0 6,200 12,400 Feet µ

WA

UK

EG

AN

H

AR

BO

R

DR

ED

GI

NG

FY

N 42 DEG 27.535 MINS W 87 DEG 47.814 MINS

N 42 DEG 27.159 MINS W 87 DEG 47.795 MINS

N 42 DEG 27.140 MINS W 87 DEG 47.820 MINS

2,110,285 2,108,001 2,107,886

1,129,007 1,129,107 1,128,995

ARCHAEOLOGICAL SHIPWRECKS

COORDINATES STATE PLANE EAST

LATITUDE LONGITUDE NORTHING EASTING

NOTES:

1. ALL COORDINATES SHOWN ARE REFERENCED TO THE ILLINOIS STATE PLANE COORDINATE SYSTEM, EAST ZONE, NORTH AMERICAN DATUM OF 1983 (NAD83) U.S. FEET.

2. ALL ELEVATIONS SHOWN ARE REFERENCED TO THE INTERNATIONAL GREAT LAKES DATUM OF 1985 (IGLD85) U.S.

FEET OR LOW WATER DATUM (LWD) AS INDICATED.

3. ALL HORIZONTAL AND VERTICAL CONTROL POINTS ARE REFERENCED TO NGS MONUMENTS DG8501.

4. THE CONTRACTOR SHALL PLACE DREDGE MATERIAL AT THE PLACEMENT AREA DESIGNATED BY THE GOVERNMENT. PLACEMENT AREA MAY BE EXTENDED SOUTHWARD IF THE CONTRACTOR ENCOUNTERS SHALLOW

DEPTHS DURING MATERIAL PLACEMENT.

5. THE CONTRACTOR IS RESPONSIBLE FOR ESTABLISHING A SAFE AND SECURE TIE UP AREA AS APPROVED BY THE

COR DURING BUT NOT LIMITED TO DOWN TIMES, HOLIDAY, AND ADVERSE WEATHER DAYS.

6. SEE THE TABLE ON THIS SHEET FOR THE COORDINATES FOR ALL 3 SHIPWRECKS.

7. AREAS TO BE DREDGED WILL BE IDENTIFIED VIA SURVEY CONDUCTED DURING CALENDAR YEAR THAT DREDGING

IS TO BE COMPLETED.

8. NO DREDGING TO BE PERFORMED WITHIN 50 FEET OF NORTH BREAKWATER.

9. DREDGING UNDER THIS CONTRACT WILL NOT BEGIN UNTIL CALENDAR YEAR 2018. THE SEDIMENT IDENTIFIED

WITHIN THE CHANNEL WILL BE DREDGED FIRST.

#0 #0

#0

#0

ADVANCE

MAINTENANCE

DREDGING

79-2

79-7

79-3

79-4

NORTH

BREAKWATER

Approach ChannelInner Harbor

Outer Harbor

AC-01

AC-02

AC-03

OH-01

OH-02

OH-03

AM-01 AM-02

AC-04

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IDENTIFICATION

US Army Corps

CS-102

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of Engineers Chicago District

79-2 584.41 6.9 STANDARD ARMY CORPS DISK

79-3 585.58 7.97 STANDARD ARMY CORPS DISK

79-4 583.29 5.9 STANDARD ARMY CORPS DISK

79-7 585.67 8.13 STANDARD ARMY CORPS DISK

HORIZONTAL & VERTICAL CONTROL POINTS

2,074,476.546 2,074,460.551 2,075,084.892 2,074,734.916

1,122,631.908 1,124,760.321 1,125,464.667 1,123,254.909

POINT IL EAST NAD83 STATEPLANE COORDINATES ELEV.

IGLD85

ELEV.

LWD DESCRIPTIONNORTHING (Y) EASTING (X)

0 410 820 Feet µ

WA

UK

EG

AN

H

AR

BO

R

DR

ED

GI

NG

FY

POINT NORTHING (Y) EASTING (X)

AC-01 2,075,065.09 1,127,216.66

AC-02 2,074,580.71 1,127,294.78

AC-03 2,074,372.38 1,125,471.86

AC-04 2,074,835.92 1,125,471.86

OH-01 2,074,460.92 1,124,430.20

OH-02 2,074,627.59 1,124,430.20

OH-03 2,074,841.13 1,124,617.70

AM-01 2,075,132.80 1,125,518.74

AM-02 2,075,117.17 1,126,320.82

FEDERAL CHANNEL COORDINATES

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