PLANS_.pdf

NEW BEDFORD HARBOR

LOWER HARBOR MECHANICAL DREDGING PROJECT

CONTRACT #W912WJ-17-R-0003

December 2016

NEW BEDFORD HARBOR, NEW BEDFORD, MASSACHUSETTS

SHEET LIST TABLE

SHEET NUMBER SHEET TITLE

G-001

COVER SHEET

G-101

LOWER HARBOR DREDGE AREAS OVERVIEW

G-102

LOWER HARBOR HISTORICAL AND IA CORE SAMPLING LOCATIONS - UPPER PORTION

G-103

LOWER HARBOR HISTORICAL AND IA CORE SAMPLING LOCATIONS - LOWER PORTION

G-104

C-101

LOWER HARBOR DREDGE PLAN FOR AREAS 33B AND 33C SHOWING TARGET CONTOURS

C-102

C-103

C-104

C-105

C-301

CROSS SECTIONS 1C THROUGH 3C

C-302

CROSS SECTIONS 4C AND 5C

LOWER HARBOR EPA CAD CELLS SHOWING CAD CELL CHANNEL

C-303 CROSS SECTIONS 6C AND 7C

G-105

LOWER HARBOR EPA CAD CELLS SHOWING PHASE II FILL LIMITS

C-304

C-305

C-306

C-307

C-308

CROSS SECTIONS 8C THROUGH 11C

CROSS SECTIONS 12C THROUGH 15C

CROSS SECTIONS 16C AND 17C

CROSS SECTIONS 20C THROUGH 22C

C-309

LOWER HARBOR DREDGE PLAN FOR AREA 34B SHOWING TARGET CONTOURS

LOWER HARBOR DREDGE PLAN FOR AREAS 35F AND 35G SHOWING TARGET CONTOURS

LOWER HARBOR DREDGE PLAN FOR AREAS 37A AND 37B SHOWING TARGET CONTOURS

LOWER HARBOR DREDGE PLAN FOR AREAS 35C AND 35E SHOWING TARGET CONTOURS

CROSS SECTIONS 18C AND 19C

CROSS SECTIONS 23C THROUGH 25C

C-310

CROSS SECTIONS 26C THROUGH 28C

EXISTING SITE CONDITIONS MAP 1 BATHYMETRY MLLW APRIL 2014/MAY 2015

EXISTING SITE CONDITIONS MAP 2 BATHYMETRY MLLW APRIL 2014/MAY 2015

G-106

G-107

3C' 3C

EPA SLURRY PIPELINE

LEGEND

COMBINED SEWER OVERFLOW

SHORELINE PARCELS

MLLW

MHW

CROSS SECTION

DREDGE AREA

33B

BUILDING

CONB = CITY OF NEW BEDFORD

TOWN/CITY LINE

SUSPECTED SHELL PILE FROM

FISHING OPERATIONS

IA CORE SAMPLE LOCATION (2014/2015)

HISTORICAL CORE SAMPLING LOCATION (1998-2003)

NO SPUD ZONE (PIPELINE/UTILITY/CAD CELL BUFFER)

CAD CELL AREA (NO SPUD ZONE)

TARGET DREDGE SURFACE CONTOUR (1FT. INTERVALS)

TARGET DREDGE ELEVATION-21

FEDERAL NAVIGATIONAL CHANNEL

6-INCH ALLOWABLE OVERDEPTH

SHEET PILE WITH 25'

STANDOFF DISTANCE

GENERAL NOTES:

1. REFER TO SPECIFICATION SECTION 00 32 00 GEOTECHNICAL DATA

FOR INFORMATION REGARDING GEOTECHNICAL DETAILS OF NEW

BEDFORD HARBOR.

2. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH THE

CONTRACT DOCUMENTS. THE CONTRACTOR SHALL KEEP A COPY OF

THE DRAWINGS AND SPECIFICATIONS ONSITE AT ALL TIMES DURING

THE PROJECT.

3. THE CONTRACTOR SHALL MAINTAIN ADEQUATE SURVEY CONTROL

AT ALL TIMES TO ESTABLISH AND MAINTAIN ALL LINES AND

ELEVATIONS.

4. KNOWN UTILITIES ARE SHOWN ON THE DRAWINGS. THE

CONTRACTOR SHALL VERIFY THE LOCATION OF ALL UNDERGROUND

AND SUBMERGED UTILITIES WITHIN THE LIMITS OF THE WORK PRIOR TO

COMMENCING ANY EXCAVATION OR GROUND PENETRATING WORK.

IDENTIFICATION AND PROTECTION OF EXISTING UTILITIES IS THE SOLE

RESPONSIBILITY OF THE CONTRACTOR.

5. LOCAL, STATE AND FEDERAL REGULATIONS REGARDING

ENVIRONMENTAL CONTROLS SHALL BE FOLLOWED.

6. MATERIAL WHICH IS LEAKED FROM A CONTRACTOR BARGE,

WHETHER WITHIN OR OUTSIDE OF A DESIGNATED DREDGE OR

DISPOSAL LOCATION, SHALL BE REMOVED BY THE CONTRACTOR AT NO

COST TO THE GOVERNMENT.

HYDROGRAPHIC SURVEY, DREDGING AND DISPOSAL NOTES:

1. COORDINATES SHOWN ARE IN THE STATE PLANE COORDINATE

SYSTEM, MASSACHUSETTS MAINLAND ZONE 2001, REFERENCED TO

THE 1983 NORTH AMERICAN DATUM (NAD83) EXPRESSED IN US SURVEY

FEET.

2. ELEVATIONS SHOWN ARE DEPTH IN FEET BELOW MEAN LOWER LOW

WATER (MLLW) FOR CLARK'S POINT NOAA STATION 8447712. THE MLLW

ELEVATION FOR THE NEW BEDFORD INNER HARBOR IS -1.92 FEET

NORTH AMERICAN VERTICAL DATUM (NAVD) 1988.

3. BASE PLAN OBTAINED FROM U.S. ARMY CORPS OF ENGINEERS.

EXISTING CONDITIONS SHALL BE FIELD VERIFIED BY THE CONTRACTOR.

4. LIMITS OF FEDERAL NAVIGATIONAL CHANNEL WERE OBTAINED FROM

U.S. ARMY CORPS OF ENGINEERS.

5. THE INFORMATION DEPICTED ON THIS PLAN REPRESENTS THE

RESULTS OF PAST SURVEYS (APRIL 2014 & MAY 2015) AND CAN ONLY

BE CONSIDERED AS INDICATING THE CONDITIONS AT THE TIME OF THE

SURVEYS AND AT THE SOUNDING POINTS NOTED ON THE PLAN.

DEPENDING ON WATER DEPTH, SINGLE AND MULTI-BEAM TECHNOLOGY

WAS EMPLOYED USING THE AVERAGE SOUNDINGS WITHIN 3X3 FOOT

BLOCKS.

6. NUMEROUS SUBSURFACE EXPLORATIONS HAVE BEEN CONDUCTED

WITHIN THE PROJECT SITE TO PROVIDE GEOTECHNICAL AND

ANALYTICAL DATA REQUIRED FOR PROJECT DESIGN AND

CONSTRUCTION. REFER TO THE SPECIFICATIONS FOR RESULTS.

7. CONTRACTOR IS TO VERIFY THAT THERE ARE NO EXISTING HAZARDS

OR OBSTRUCTIONS IN THE WORK AREAS SHOWN HEREON. THERE

SHALL BE NO DREDGING OR SPUDDING IN THE EPA PIPELINE BUFFER

ZONE AND CAD CELL BUFFER ZONES. CONTRACTOR SHALL NOT

DAMAGE THE EPA PIPELINE.

8. THE LOWER HARBOR OF NEW BEDFORD USES A LOCAL VERTICAL

DATUM OF MLLW REFERENCING NOAA STATION #8447712 AT CLARKS

POINT. VERTICAL DATA COLLECTED USING OTHER VERTICAL DATUMS

WAS CONVERTED TO MLLW. NAD 1983 STATEPLANE MASSACHUSETTS

MAINLAND (FIPS_2001_FEET) IS THE HORIZONTAL DATUM.

FAIRHAVEN

NEW BEDFORD

KYLER

SEAFOOD

C

O

N

B

W

A

S

H

B

U

R

N

S

T

K

IL

B U

R

N

S T

REVERE

COPPER

ISLAND

MARSH

R O

U T

E

PRESERVATION TRUST

FAIRHAVEN LAND

BUZZARDS BAY INC

COALITION FOR

LTD PARTNERSHIP

BS REALTY

MOBY DICK

MARINA

CEMETARY

RIVERSIDE

MARLEES

SEAFOOD

AREA D

MARINE

HYDRAULICS

TISBURY TOWING

AND TRANSPORTATION

ACUSHNET RIVER

SHIPYARD INC

CAD CELL #2

CAD CELL #3

COZY COVE

DOCK

PRIVATE

S-947

S-946

S-945

S-894

S-893

S-892

S-891

S-890

S-889

S-888

S-887

S-886

S-885

S-884

S-882

S-881

S-873

S-872

S-871

S-870

S-869

S-868

S-867

S-866

S-865

S-864

S-863

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S-813

S-808

S-633

S-632

S-631

S-630

S-629

S-628

S-627

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S-625

S-624

S-623

S-622

S-621

S-558

S-507

S-402

S-322

S-321

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S-318

S-317

S-316

S-315

S-314

S-313

S-312

S-311

S-310

S-309

S-308

S-307

S-306

S-305

S-304

S-303

S-220

S-219

S-190

S-189

S-188S-187

S-186

S-185

S-184

S-183

S-182

S-181

FD205

FD204

FD203

S-4159

S-4158

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S-4156

S-4155

S-4154

S-4153

S-4152

S-4151

S-4129

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S-4123

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S-4118

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S-4111

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S-3135

S-3111

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S-3047

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S-4066

S-4065S-4064

S-4063

S-3134

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S-3130

S-3128

S-3127

S-3125

S-3124

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S-3122

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S-3119

S-3118

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S-3112

S-af543

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S-af294

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S-207316

S-206416

S-206316

S-4068

S-4067

S-4012

S-3129

S-3085

2014-35-68

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2014-36-13

2014-36-12

2014-34-25

2014-34-26

2014-35-41

2014-34-39

2014-34-40

2014-35-65

2014-35-66

2014-36-53

2014-33-5

2014-33-7

2014-33-4

2014-36-1

2014-33-23

2014-33-17

2014-33-27

2014-36-10

2014-33-19

2014-33-11

2014-33-25

2014-33-29

2014-33-31

2014-33-26

2014-33-2

2014-33-6

2014-33-8

2014-33-3

2014-33-36-3

2014-36-8

2014-36-6

2014-36-4

2014-33-9

2014-33-1

2014-36-7

2014-36-5

2014-36-9

2014-36-2

2014-36-3

2014-33-32

2014-33-35

2014-33-22

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2014-33-20

2014-33-10

2014-33-33

2014-36-11

2014-33-28

2014-33-36-1

2014-33-36-2

2014-33-36

2014-35-52A

2014-36-92

2014-36-91

EPA CAD CELL

PHASE I

PHASE I

(ACTIVE CELL)

EPA CAD CELL

PHASE II

33B

33C

34B

35C

35E

NEW

BEDFORD

F

E

D

E

R

A

L

C

H

A

N

N

E

L

F

E

D

E

R

A

N

N

E

L

R

O

U

E

FISH

ISLAND

COZY COVE

FAIRHAVEN

EASTERN

FISHERIES

EASTERN

FISHERIES

T

IC

H O

N A

V E

SEA WATCH

INTERNATIONAL

AMERICAN PRIDE

SEAFOODS

A N

T O

N

IO

C O

S T

A A

V E

BORROW PIT

CAD CELL #1

CAD CELL #2

TRUST

BLF REALTY

MARINE PARK

CONB

CROW ISLAND

POPE'S

R

O

U

TRUE VALUE

HARDWARE

SEAPORT INN

AND MARINA

ISLAND

F

E

D

E

R

A

N

N

E

L

F E

D E

R A

L

C

H A

N N

E L

F

E

D

E

R

A

N

N

E

L

F

E

D

E

R

A

N

N

E

L

UTILITY AREA

UTILITY AREA

UTILITY AREA

UTILITY AREA

UTILITY AREA

UTILITY AREA

UTILITY AREA

UTILITY AREA

UTILITY AREA

UTILITY AREA

UTILITY AREA

S-639

S-638

S-637

S-636

S-635

S-634

S-633

S-558

S-511

S-510

S-509

S-327

S-326

S-325

S-324

S-323

S-219

S-218

S-217

S-216

S-201

S-200

S-199

S-198

S-197

S-196

S-195

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S-193

S-192

S-191

M-417

M-416

M-415

M-414

M-413

M-412

M-411

M-410

M-409

M-408

M-407

M-406

M-405

M-404

M-403

M-402M-401

M-224

M-223

M-222

M-221

M-220

M-219

M-218

M-217

M-216

M-214

M-213

M-212

M-211

M-210

M-209

M-208

M-207

M-206

M-205

M-204

M-203

M-202

M-201

FD205

FD204

FD203

S-3856

S-3855

S-3853

S-3654

S-3653

S-3626

S-3625

S-3221

S-3219

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2014-37-37

2014-37-36

37B

37A

35E

35G

35F

CLAM

SHELL

MOUND

NOTES:

1. SOUNDINGS SHOWN ARE FROM BATHYMETRIC

SURVEYS CONDUCTED IN APRIL 2014 AND MAY

2015 AND DO NOT REFLECT CHANGES RESULTING

FROM IRAC DREDGING ACTIVITIES PERFORMED

IN 2016.

NOTES:

1. SOUNDINGS SHOWN ARE FROM BATHYMETRIC

SURVEYS CONDUCTED IN APRIL 2014 AND MAY 2015

AND DO NOT REFLECT CHANGES RESULTING FROM

IRAC DREDGING ACTIVITIES PERFORMED IN 2016.

CAD CELL #2

X

E 815310

N 2696486

X

E 814689

N 2696217

AREA D

MARINE

HYDRAULICS

T

O

W

O

F

I

R

H

A

V

E

N

C

I

Y

B

D

F

O

R

D

TISBURY TOWING

AND TRANSPORTATION

ACUSHNET RIVER

SHIPYARD INC

X

X

E 813951

N

E 814137 E 814324 E 814511 E 814697 E 814884 E 815070 E 815257 E 815444 E 815630 E 815817 E 816003

N

N

N

N

N

CAD CELL CHANNEL

X

E 815429

N 2696493

X

E 815589

N 2696427

X

E 815641

N 2696365

X

X

X

X

X

SCOW

ISLAND

X

CAD CELL #3

X

X

X

X

X

X

X

E 815477

N 2697000

X

X

X

X

X

X

X

X

X

X X

X

X

X

X

X

X

X

P-23

E 815583

N 2696992

N

E 815544

N 2696987

E 815477

N 2697000

E 815422

N 2697002

E 815450

N 2696996

E 815300

N 2696985

E 815089

N 2696971

E 815087

N 2696969

E 814981

N 2696972

E 814988

N 2696960

E 814964

N 2696955

E 814940

N 2696775

E 815416

N 2696986

E 815342

N 2696612

E 815423

N 2696989

E 815875

N 2697201

E 815879

N 2697203

E 815934

N 2697335

E 815944

N 2697335

E 815440

N 2697442

E 815374

N 2697438

E 815364

N 2697432

E 815226

N 2697422

E 815215

N 2697415

E 815098

N 2697407

E 815090

N 2697398

E 815071

N 2697396

E 815947

N 2697340

E 815771

N 2696954

E 815992

N 2696874

E 815897

N 2696405

E 815329

N 2696519

E 814965

N 2696971

E 814949

N 2696975

P-01

P-02

P-03

P-04

P-05

P-06

P-07

P-08

P-09

P-10

P-11

P-12

P-13

P-14

P-15

P-16

P-17

P-18

P-19

P-20

P-21

P-22

P-24

P-25

P-26

P-27

P-28

P-29

P-30

P-31

P-32

P-33

P-34

P-35

P-36

P-37

P-38

P-39

EPA CAD CELL

PHASE I

EPA CAD CELL

PHASE II

(ACTIVE CELL)

X

X

X

X

E 814677

N 2696566

E 815226

N 2696658

E 814695

N 2696752

X

CAD CELL #2

AREA D

MARINE

HYDRAULICS

TISBURY TOWING

AND TRANSPORTATION

ACUSHNET RIVER

SHIPYARD INC

E 813951

N

E 814137 E 814324 E 814511 E 814697 E 814884 E 815070 E 815257 E 815444 E 815630 E 815817 E 816003

N

N

N

N

N

SCOW

ISLAND

CAD CELL #3

P-23

N

E 815408

N 2697007

E 815309

N 2697405

E 815081

N 2697390

E 814965

N 2696991

P-01

P-02

P-03

P-04

P-05

P-06

P-07

P-08

P-09

P-10

P-11

P-12

P-13

P-14

P-15

P-16

P-17

P-18

P-19

P-20

P-22

P-24

P-25

P-26

P-27

P-28

P-29

P-30

P-31

P-32

P-33

P-34

P-35

P-36

P-37

P-38

P-39

CAD CELL CHANNEL

BASELINE 1

(FROM APEX

DRAWINGS)

P-21

X

E 815018

N 2699044

E 814556

N 2698961

E 814694

N 2699165

FAIRHAVEN

NEW

BEDFORD

N 2699832

E

N 2699645 N 2699459 N 2699272 N 2699086 N 2698899 N 2698712 N 2698526 N 2698339 N 2698152 N 2697966 N 2697779

E

X

E 814817

N 2698679

X

E 815117

N 2699279

X

E 814583

N 2698706

X

E 814711

N 2699027

X

E 814862

N 2699008

X

KYLER

SEAFOOD

C

O

N

B

W

A

S

H

B

U

K I L B

U

REVERE

COPPER

P A

C K

E R

ISLAND

MARSH

R O

U T

E

T

O

I

R

H

A

V

E

N

C

I

D

F

O

R

D

PRESERVATION TRUST

FAIRHAVEN LAND

BUZZARDS BAY INC

COALITION FOR

LTD PARTNERSHIP

BS REALTY

X

E 815036

N 2698972

X

E 815085

N 2698520

SEE SHEET C-102

34B

33B

33C

X

E 815119

N 2698918

C

C

C

C

C

C

C

C

C

C

APPROXIMATE LOCATION

OF EPA PIPELINE

NO SPUD ZONE

NOTES:

1. THE FOLLOWING NOTES ARE APPLICABLE TO SHEETS C-101 THROUGH C-105.

2. FINAL DREDGE ELEVATIONS ARE DEPTH BELOW MLLW CREATED FROM A 3 FOOT BY

3 FOOT GRID OF DREDGE ELEVATIONS REQUIRED TO REMOVE THE SEDIMENT

CONTAINING MORE THAN THE TARGET CONCENTRATION OF PCB.

3. FINAL DREDGE ELEVATION DOES NOT INCLUDE THE ALLOWED 6 INCH OVERDEPTH.

4. CONTOUR LINES SHOWN ARE APPROXIMATE. CONTRACTOR SHALL USE THE

ELECTRONIC DATA SUPPLIED BY GOV (TARGET ELEVATIONS, BATHYMETRIC SURVEY

AND DREDGE AREA AUTOCAD FILES) FOR ITS DREDGE PLAN PREPARATION.

5. FINAL DREDGE PLAN DETAILS SHALL BE BY CONTRACTOR SHOWING THE DREDGING

LANES AND LAYOUT THAT SATISFIES THE PROJECT REQUIREMENTS LISTED IN SECTION

35 20 23 AND SUITS CONTRACTORS PROPOSED DREDGE EQUIPMENT.

FAIRHAVEN

NEW

BEDFORD

E 814667

N 2698292

MARLEES

SEAFOOD

TISBURY TOWING

ISLAND

MARSH

PRESERVATION TRUST

FAIRHAVEN LAND

BUZZARDS BAY INC

COALITION FOR

COPPER

REVERE

AND TRANSPORTATION

X

E 815439

N 2697422

X

E 815074

N 2697399

T

O

I R

H

A

V

E

N C

I

D

F

O

R

D

EPA CAD CELL

PHASE II

(ACTIVE CELL)

33C

SEE SHEET C-101

34B

35C

X

E 814688

N 2698517

E 814652

N 2698430

E 814655

N 2698142

E 814646

N 2697926

E 814562

N 2697863

E 814625

N 2697764

E 814607

N 2697716

E 814610

N 2697617

E 814658

N 2697524

E 814737

N 2697485

E 814820

N 2697539

E 814844

N 2697641

E 814973

N 2697626

E 815189

N 2697656

E 815357

E 815273

N 2698274

E 815048

N 2698457

E 814883

N 2698490

E 814796

N 2698559

SEE SHEET C-103

6C

7C

8C

9C

9C'

7C'

8C'

6C'

E 815156

N 2698412

E 815300

N 2698118

APPROXIMATE LOCATION

OF EPA PIPELINE

N 2697929

P-24

P-25

P-26

P-27

P-28

P-29

P-30

P-31

P-32

P-33

P-34

E 815543 E 815729E 815357E 815170E 814983E 814797E 814610E 814423E 814237E 814050E 813863E 813677

N

N

N

N

N

N

N

25' PILING

STANDOFF

(TYP.)

50ft BUFFER (CAD CELL)

NO SPUD ZONE

BEDFORD

CAD CELL #1

CAD CELL #2

X

E 814574

N 2697161

E 814553

N 2697266

X

E 814460

N 2696966

X

X

E 814388

N 2696300

X

E 814694

N 2696756

X

E 814997

N 2697308

BORROW PIT

X

X

E 814934

N 2696755

X

X

E 815229

N 2696145

E 815310

N 2696486

X

E 814500

N 2696047

X

E 814689

N 2696217

AREA D

MARINE

HYDRAULICS

T

O

I

R

H

A

V

E

N

C

I

D

F

O

R

D

TISBURY TOWING

AND TRANSPORTATION

RIVER

SHIPYARD INC

EASTERN

FISHERIES

H E

R V

I C

H O

N

A

V E

X

E 815159

N 2697455

E 814667

N 2697344

X

E 815326

N 2696541

X

E 814950

N 2696981

X

X

E 815074

N 2697399

ACUSHNET

EPA CAD CELL

PHASE II

(ACTIVE CELL)

EPA CAD CELL

PHASE I

35F

SEE SHEET C-104

34B

35C

35E

E 814577

N 2697311 X

E 814889

N 2697461

X

E 814982

N 2697509

X

E 815048

N 2697524

X

E 815108

N 2697506

X

E 814481

N 2697149

X

E 814439

N 2697101

X

E 814529

N 2696918

X

E 814502

N 2696699

X

E 814520

N 2696567

X

E 814763

N 2696567

X

E 814820

N 2697428

X

X

E 814952

N 2697443

E 814952

N 2697158

X

X

X

E 814799

N 2697317

E 814532

N 2696807

X

X

X

X

X

E 814373

N 2696468

X

E 814436

N 2696189

X

E 814496

N 2696153

X

E 814592

N 2696165

X

E 814715

N 2696351

X

E 814730

N 2696468

SEE SHEET C-102

10C

11C

14C

15C'

16C

14C'

16C'

17C'

17C

15C

E 815036

N 2697446

P-01

P-02

P-03

P-04

P-05

P-06

P-28

P-29

P-30

P-31

P-32

P-33

P-34 P-35

P-36

P-37

P-38

P-39

P-07

P-08

N 2697569

E

N 2697755 N 2697382 N 2697195 N 2697009 N 2696821 N 2696635 N 2696449 N 2696262 N 2696075 N 2695889 N 2695703

E 814880

N 2696942

E 814916

N 2697035

E 814859

N 2696825

E 814793

N 2696780

13C'

12C'

11C'

10C'

EPA CAD CELL

CHANNEL

SCOW

ISLAND

25' PILING

STANDOFF

(TYP.)

12C

13C

50ft BUFFER (CAD CELL)

NO SPUD ZONE

50ft BUFFER (CAD CELL)

NO SPUD ZONE

N 2699832

N 2696191

E

N 2695817 N 2695631 N 2695444 N 2695071 N 2694885 N 2694698 N 2694511 N 2694325

F

E

D

E

R

A

N

N

E

L

BORROW PIT

CAD CELL #1

UTILITY AREA

FEDERAL C

HANNEL

POPE'S

ISLAND

E 814469

N 2695847

X

EASTERN

FISHERIES

EASTERN

FISHERIES

H E

R V

C

H O

N

A

V E

SEA WATCH

INTERNATIONAL

AMERICAN PRIDE

SEAFOODS

A N

T O

N

S

V E

POPE'S ISLAND MDC

E

N 2696004 N 2695257

N 2694138

E 814689

N 2696217

X

E 814500

N 2696047

X

X

35F

35G

SHIPWRECK

35E

SEE SHEET

E

FISH

ISLAND

E 815337

N 2694218

E 815298

N 2694444

E 814893

N 2694491

E 815065

N 2695066

X

X

E 814318

N 2695066

E 814651

N 2694409

E 814893

N 2694491

C-103

CLAM SHELL

MOUND

E 814592

N 2695853

X

E 814367

N 2695715

X

E 814394

N 2695298

X

E 814568

N 2695280

X

E 814748

N 2695325

X

E 814814

N 2695385

X

E 814859

N 2695469

X

E 814829

N 2695559

X

X

X

E 814355

N 2695508

X

X

E 814400

N 2695532

E 814364

N 2695685

E 814400

N 2695661

E 814691

N 2695019

X

E 814649

N 2695142

X

E 814649

N 2695211

X

E 814784

N 2694896

X

E 814697

N 2695241

X

E 814802

N 2695244

X

E 814880

N 2694800

X

E 814970

N 2694839

X

E 814907

N 2695133

X

E 814859

N 2695166

X

18C

20C

23C

21C

22C

21C'

19C'

19C

18C'

20C'

22C'

23C'

50ft BUFFER (CAD CELL)

NO SPUD ZONE

N

E 814494 E 814681 E 815057

N

N

N

N

N

N

E 814869 E 815246 E 815433 E 815621 E 815809 E 815997 E 816185 E 816373 E 816560

F

E

D

E

R

A

N

N

E

L

F

E

D

E

R

A

N

N

E

L

E 815261

N 2693153

E 815459

N 2693003

E 815246

N 2693042

E 815381

N 2693012

E 815834

N 2693606

E 815681

N 2693564

E 815873

N 2693408

E 815693

N 2693465

E 815762

N 2693405

R

O

U

FISH

ISLAND

TRUST

BLF REALTY

MARINE PARK

CONB

X

E 814580

N 2694036

X

E 815065

N 2692825

X

E 815196

N 2692825

X

E 815441

N 2694074

E 816105

N 2692997

X

E 815746

N 2692845

E 815549

N 2693171

ISLAND

FISH

E 815876

N 2693531

E 815576

N 2693276

E 815459

N 2693387

E 815336

N 2693312

24C

27C

28C

25C

26C

28C'

27C'

24C'

25C'

26C'

37A

37B

UTILITY AREA

UTILITY AREA

UTILITY AREA

UTILITY AREA

U

T

I

L

I

E

A

U

T

I

L

I

E

A

U

T

I

L

I

SCALE: HOR. 1" = 50'

VER. 1" = 5'

1C

C101

1C 1C'

(WEST)

(EAST)

EXISTING BOTTOM

2C 2C'

(WEST)

(EAST)

LOWER HARBOR DREDGE AREA 33B SECTION

-5

-10

-15

-20

-25

-30

-35

-40

E l e v a t i o n e e t

M

L L

W

0 4

-5

-10

-15

-20

-25

-30

-35

-40

3C 3C'

(WEST)

(EAST)

SCALE: HOR. 1" = 50'

VER. 1" = 5'

3C

C101

LOWER HARBOR DREDGE AREA 33C SECTION

33C

REQUIRED MATERIAL TO BE REMOVED

EXISTING BOTTOM

6 INCH ALLOWABLE OVERDEPTH

33B

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L W

0 4

-5

-10

-15

-20

-25

-30

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

33B

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

SCALE: HOR. 1" = 50'

VER. 1" = 5'

2C

C101

LOWER HARBOR DREDGE AREA 33B SECTION

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

NOTES:

1. THE FOLLOWING NOTES ARE APPLICABLE TO DRAWINGS C-301 THROUGH C-310.

2. REFER TO SPEC SECTION 35 20 23, 1.10 FOR SLOPE CUTTING METHODOLOGY.

3. SEE ATTACHMENT K TO THE SPECIFICATIONS FOR EXAMPLES OF CONTOUR DREDGING APPROACH.

4. DREDGE ELEVATIONS BELOW MLLW ARE FROM 3 FOOT BY 3 FOOT GRID OF DATA AND MAY NOT EXACTLY MATCH SMOOTHED CONTOUR

LINES ON DREDGE PLANS.

5. DREDGE TO ELEVATION LINE IS INTERPOLATED FROM THE INDIVIDUAL 3X3 FT GRID ELEVATION CENTERS ALONG THE TRANSECT LINE.

6. ACTUAL DREDGE TO ELEVATIONS MAY VARY BASED ON EQUIPMENT AND DREDGING LANES PROPOSED BY CONTRACTOR.

7. DREDGE ELEVATION MUST MEET LOWEST ELEVATION IN INDIVIDUAL BUCKET GRAB FROM THE 3 FOOT BY 3 FOOT GRID OF DATA

SUPPLIED TO CONTRACTOR.

8. WHERE SEDIMENT REQUIRING REMOVAL EXCEEDS ONE FOOT THICK, SEDIMENT MUST BE REMOVED IN TWO PASSES AS DETAILED IN

SECTION 35 20 23.

9. ON FINAL PASS, THE CONTRACTOR SHALL DETERMINE THE NECESSARY OVERLAP DISTANCE OF THE BUCKET FROM THE PREVIOUS

LOCATION DREDGED IN ORDER TO CAPTURE ANY SLOUGHING FROM THE SIDE SLOPE ON THE UNCUT FACE AND SHALL PROCEED FROM

HIGHEST TO LOWEST ELEVATION.

Elevation (Feet, MLLW)

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

5C 5C'

(EAST)

(WEST)

EXISTING BOTTOM

6 INCH ALLOWABLE OVERDEPTH

6 INCH ALLOWABLE OVERDEPTH

TO BE REMOVED

REQUIRED MATERIAL

SCALE: HOR. 1" = 50'

VER. 1" = 5'

4C

C101

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

4C 4C'

(WEST)

(EAST)

33C

6 INCH ALLOWABLE OVERDEPTH

LOWER HARBOR DREDGE AREA 33C SECTION

-5

-10

-15

-20

-25

-30

-35

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

-35

SCALE: HOR. 1" = 50'

VER. 1" = 5'

5C

C101

LOWER HARBOR DREDGE AREA 33C SECTION

33C33C

-5

-10

-15

-20

-25

-30

-35

-5

-10

-15

-20

-25

-30

-35

E l e v a t i o n

F e e t

M

L L W

LOWER HARBOR DREDGE AREA 34B SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

7C

C102

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

7C 7C'

(WEST)

(EAST)

0 7

34B

6 INCH ALLOWABLE OVERDEPTH

C102

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L

W

-5

-10

-15

-20

-25

-30

SCALE: HOR. 1" = 50'

VER. 1" = 5'

6C

EXISTING BOTTOM

6 INCH ALLOWABLE OVERDEPTH

34B

6C 6C'

(WEST)

(EAST)

LOWER HARBOR DREDGE AREA 34B SECTION

-5

-10

-15

-20

-25

-30

-35

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

-35

11C 11C'

(WEST)

(EAST)

35C

10C

(WEST)

10C'

(EAST)

35C

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

-5

-10

-15

-20

-25

-30

EXISTING BOTTOM

6 INCH ALLOWABLE OVERDEPTH

REQUIRED MATERIAL TO BE REMOVED

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

LOWER HARBOR DREDGE AREA 35C SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C103

11C

LOWER HARBOR DREDGE AREA 35C SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C103

10C

LOWER HARBOR DREDGE AREA 34B SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

9C

C102

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

9C 9C'

(EAST)

(WEST)

34B

6 INCH ALLOWABLE OVERDEPTH

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

8C 8C'

(WEST)

(EAST)

0 7

LOWER HARBOR DREDGE AREA 34B SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

8C

C102

34B

6 INCH ALLOWABLE OVERDEPTH

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

P

I

L

I

G

P

25' STANDOFF DISTANCE FROM P-34

35E

15C 15C'

(WEST)

(EAST)

LOWER HARBOR DREDGE AREA 35E SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C103

15C

6 INCH ALLOWABLE OVERDEPTH

REQUIRED MATERIAL TO BE REMOVED

EXISTING BOTTOM

-5

-10

-15

-20

-25

-30

E l e v a t i e e t

M

L L

W

-5

-10

-15

-20

-25

-30

13C 13C'

(WEST)

(EAST)

14C 14C'

(WEST)

(EAST)

35C

35C

-5

-10

-15

-20

-25

-30

E l e v a t i e e t

M

L L

W

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

-5

-10

-15

-20

-25

-30

6 INCH ALLOWABLE OVERDEPTH

6 INCH ALLOWABLE OVERDEPTH

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

LOWER HARBOR DREDGE AREA 35C SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C103

LOWER HARBOR DREDGE AREA 35C SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C103

13C

14C

12C 12C'

(WEST)

(EAST)

35C

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

LOWER HARBOR DREDGE AREA 35C SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

12C

C103

25'

QUARRY SPALL

MARKER BED

EXISTING BOTTOM

UPPER HARBOR

DREDGE PIPELINE

BACKFILL W/

CLEAN SEDIMENT

2'

PIPELINE

6 INCH ALLOWABLE

OVERDEPTH

DREDGE ELEVATION

-5

-10

-15

-20

-25

-30

-35

-40

E l e v a t i e e t

M

L L W

-5

-10

-15

-20

-25

-30

-35

-40

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

17C 17C'

(NORTH)

(SOUTH)

LOWER HARBOR DREDGE AREAS 35C AND 35E SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

17C

C103

0 4

35C

35E

6 INCH ALLOWABLE OVERDEPTH

EXISTING BOTTOM

REQUIRED MATERIAL

TO BE REMOVED

PIPELINE DETAIL

SCALE: HOR. 1" = 20'

VER. 1" = 2'

17C

C103

REQUIRED MATERIAL

TO BE REMOVED

BACKFILL W/

CLEAN SEDIMENT

16C 16C'

(WEST)

(EAST)

LOWER HARBOR DREDGE AREA 35E SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C103

35E

16C

6 INCH ALLOWABLE OVERDEPTH

REQUIRED MATERIAL TO BE REMOVED

EXISTING BOTTOM

-5

-10

-15

-20

-25

-30

-35

-40

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

-35

-40

19C 19C'

(EAST)

(WEST)

35F

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

18C 18C'

(WEST)

(EAST)

-5

-10

-15

-20

-25

-30

-35

-40

E l e v a t i o n

F e e t

M

L L W

LOWER HARBOR DREDGE AREA 35F SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C104

18C

-5

-10

-15

-20

-25

-30

-35

-40

35F

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

-5

-10

-15

-20

-25

-30

-35

-40

-5

-10

-15

-20

-25

-30

-35

-40

E l e v a t i o n

F e e t

M

L L W

LOWER HARBOR DREDGE AREA 35F SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C104

19C

0 4

22C 22C'

(WEST)

(EAST)

LOWER HARBOR DREDGE AREA 35G SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C104

35G

22C

-5

-10

-15

-20

-25

-30

-35

-40

E l e v a t i e e t

M

L L W

-5

-10

-15

-20

-25

-30

-35

-40

EXISTING BOTTOM

6 INCH ALLOWABLE OVERDEPTH

REQUIRED MATERIAL TO BE REMOVED

21C 21C'

(WEST)

(EAST)

LOWER HARBOR DREDGE AREA 35G SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C104

35G

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

21C

20C 20C'

(EAST)

(WEST)

LOWER HARBOR DREDGE AREA 35F SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C104

35F

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

20C

-5

-10

-15

-20

-25

-30

-35

-40

E l e v a t i e e t

M

L L W

-5

-10

-15

-20

-25

-30

-35

-40

E l e v a t i e e t

M

L L W

-5

-10

-15

-20

-25

-30

-35

-40

-5

-10

-15

-20

-25

-30

-35

-40

6 INCH ALLOWABLE OVERDEPTH

LOWER HARBOR DREDGE AREA 37A SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C105

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

25C

24C 24C'

(WEST)

(EAST)

LOWER HARBOR DREDGE AREA 37A SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C105

37A

24C

23C 23C'

(WEST)

(EAST)

LOWER HARBOR DREDGE AREA 35G SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C104

35G

23C

-5

-10

-15

-20

-25

-30

-35

-40

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

-35

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

-35

-40

-5

-10

-15

-20

-25

-30

-35

EXISTING BOTTOM

EXISTING BOTTOM

6 INCH ALLOWABLE OVERDEPTH

6 INCH ALLOWABLE OVERDEPTH

REQUIRED MATERIAL TO BE REMOVED

REQUIRED MATERIAL TO BE REMOVED

-5

-10

-15

-20

-25

-30

-35

-40

E l e v a t i o n

F e e t

M

L L W

-5

-10

-15

-20

-25

-30

-35

-40

25C 25C'

(WEST)

(EAST)

37A

EXISTING BOTTOM

6 INCH ALLOWABLE OVERDEPTH

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

EXISTING BOTTOM

REQUIRED MATERIAL TO BE REMOVED

6 INCH ALLOWABLE OVERDEPTH

LOWER HARBOR DREDGE AREA 37A SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C105

26C

LOWER HARBOR DREDGE AREA 37B SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

C105

27C

LOWER HARBOR DREDGE AREA 37B SECTION

SCALE: HOR. 1" = 50'

VER. 1" = 5'

28C

C105

26C 26C'

(EAST)

(WEST)

27C 27C'

(WEST)

(EAST)

28C 28C'

(WEST)

(EAST)

37A

37B

37B

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L

W

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L

W

-5

-10

-15

-20

-25

-30

E l e v a t i o n

F e e t

M

L L

W

-35 -35 -35