Plans.pdf

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®of Engineers

US Army Corps

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DESIGN FILESHEET NO.

G-001

INDEX TO DRAWINGS

SHEET TITLE

MASSACHUSETTS

NEW BEDFORD-FAIRHAVEN BARRIER

SECTOR GATE PAINTING AND STEEL REPAIRS

N N

A C

U S

H N

E T R I

V E

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VICINITY MAP

NOT TO SCALE NOT TO SCALE

LOCATION PLAN

PROJECT

LOCATION

PROJECT

LOCATION

S-101

S-201

S-401

NBF-49_S-201.DGN

NBF-49_S-401.DGN

NBF-49_S-101.DGN

NBF-49_G-001.DGN

SHEET NO. SHEET TITLE

INDEX TO INFORMATION DRAWINGS

DRAWING NO.

NBF-1-1042

102NBF-1-1132

105NBF-1-1135

ASSEMBLY AND DETAILS

MECHANICAL-GATE OPERATING MACHINERY

FRAMING DETAIL NO. 2

SECTOR GATES - STRUCTURAL

106NBF-1-1136

FRAMING DETAIL NO. 3

SECTOR GATES - STRUCTURAL

104NBF-1-1134

FRAMING DETAIL NO. 1

SECTOR GATES - STRUCTURAL

107NBF-1-1137

CONNECTION DETAIL NO. 1

SECTOR GATES - STRUCTURAL

108NBF-1-1138

CONNECTION DETAIL NO. 2

SECTOR GATES - STRUCTURAL

109NBF-1-1139

CONNECTION DETAIL NO. 3

SECTOR GATES - STRUCTURAL

110NBF-1-1140

TRUNNION DETAILS

SECTOR GATES - STRUCTURAL

2 GENERAL PLAN

NBF-1-1105

101NBF-1-1131

GENERAL PLAN AND DETAILS

MECHANICAL-GATE OPERATING MACHINERY

GENERAL PLAN

ABUTMENT - CONCRETE

NBF-1-1106 76

NBF-1-1107 77

NBF-1-1108 78

ELEVATION SECTIONS & DETAILS NO. 3

ABUTMENT - CONCRETE

ELEVATION SECTIONS & DETAILS NO. 2

ABUTMENT - CONCRETE

ELEVATION SECTIONS & DETAILS NO. 1

ABUTMENT - CONCRETE

COVER SHEET & INDEX

SECTOR GATES

PLAN & SECTIONS

SECTOR GATES

ELEVATION & SECTION

SECTOR GATES

WALKWAY, LADDER & FALL PROTECTION SYSTEM

SECTOR GATES

JULY 2018ISSUE DATE:

SOLICITATION NO.:

of Engineers

US Army Corps

CONTRACT NO.:

New England District

NEW BEDFORD

HARBOR

BEDFORD

NEW

FAIRHAVEN

GATED NAVIGATION OPENING

AND DIKE

HARBOR BARRIER NASKETUCKET BAY

BUZZARDS BAY

DARTMOUTH

CLARK COVE

ACUSHNET

FAIRHAVEN

BEDFORD

NEW

RIVER

FALL

PLYMOUTH

PROVIDENCE

BOSTON

BROCKTON

MASS.

R.I.

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G-001

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GATE DRIVE RACK - TO

BE CLEANED, BLASTED

AND REPAINTED (TYP.)

(WEST SECTOR GATE SHOWN; EAST SECTOR GATE OPPOSITE HAND)

PAINTING NOTES:

GENERAL NOTES:

TOP OF CONCRETE ABUTMENT

NEW FALL PROTECTION ANCHOR

(SEE SHEET S-401)

STEEL FLASHING OVER

DRIVE SPROCKET

B

B

F L

O O

D

60°

'-0

GUIDE (TYP.)

STOP GATE

STAIRS

(TYP.)

HORIZONTAL GIRDER

STEEL GRATING ABOVE

BEARINGS

TRUNNION

S-401 FOR DETAILS)

IN KIND (SEE SHEET

AND REPLACED

- TO BE REMOVED

EXISTING LADDER

OCEAN SIDE

FACE

OF

CONCRETE

(T

YP.

FENDER

TIMBER

TRUSS I

WALKWAY ABOVE

1. SEE PROVIDED INFORMATION DRAWINGS FOR ANY RELATED EXISTING MEMBER SHAPES, SIZES, AND DIMENSIONS.

2. POSITION OF THE SECTOR GATES CAN BE SLIGHTLY ADJUSTED IN ORDER TO GAIN MORE ACCESS FOR CLEANING

AND REPAINTING. ADJUSTMENT OF SECTOR GATES MUST BE COORDINATED THROUGH THE CONTRACTING OFFICER'S

REPRESENTATIVE (COR).

TRUSS I ELEMENTS

GIRDER

TRUSS I HORIZONTAL

1. PREPARE AND PAINT THE DRIVE RACK, EXCEPT PINS.

2. APPLY NEW ELASTOMERIC SEALANT ONTO THE RECESSED TOPS OF THE PINS.

3. THE PINS SHOULD REMAIN UNPAINTED AND SHOULD BE PROTECTED DURING THE PAINTING PROCESS.

4. EXISTING REFLECTIVE CHEVRONS ON SKIN PLATE SHALL BE PROTECTED DURING ALL PAINTING OPERATIONS.

CONTRACTOR SHALL REPLACE ANY CHEVRONS DAMAGED DURING PAINTING WITH IN-KIND MATERIALS.

5. PINS ON DRIVE RACK SHALL BE GREASED AFTER PAINTING. USE NLGI GRADE 2 MARINE GREASE.

C

GATE DRIVE RACK - ALL COMPONENTS

EXCEPT STEEL PINS SHALL BE CLEANED,

BLASTED AND REPAINTED.

GATE RIB

SKIN PLATE

DURING PAINTING PROCESS.

AND SHALL BE PROTECTED

STEEL PIN - REMAINS UNPAINTED

L T

R U

S S I

PIN RECESS - AFTER PAINTING APPLY

ELASTOMERIC SEALANT ONTO THE

RECESSED TOPS OF THE PINS.

C L STEEL PINS

C

MEMBERS

TRUSS I

SKIN PLATE

GATE RIB

L T

R U

S S I

DETAIL B7 THIS SHEET

DRIVE RACK - SEE

EXISTING STEEL GRATING

PAINTING

LIMIT OF DRIVE RACK

B1

SCALE: 1/8" = 1' 0 8'4' 16'

E6

SCALE: 3/4" = 1' 2'0 1' 4'

B7

SCALE: 3/4" = 1' 2'0 1' 4'

SECTOR GATE PLAN - TRUSS I

N

DRIVE RACK DETAIL

SECTION 4

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®of Engineers

US Army Corps

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CP

PAINTING NOTES:

NOTE:

HORIZ. TRUSS V

EL. -36.0

HORIZ. TRUSS I

EL. 17.0

HORIZ. TRUSS II

EL. 3.75

HORIZ. TRUSS III

EL. -9.5

HORIZ. TRUSS IV

EL. -22.75

EL. 0.0 M.S.L.

S U

B M

E R

G E

D

EXTERIOR

VERTICAL

GIRDER

WOOD FENDERS

NOT SHOWN FOR

CLARITY.

(WEST SECTOR GATE SHOWN; EAST SECTOR GATE OPPOSITE HAND)

91'-6"

OUTSIDE OF SKIN L

EDGE

SKIN PLATE

GIRDER (TYP.)

HORIZONTAL

GATE WHEELS

ABOVE TRUSS I

EXISTING WALKWAY & RAILING

STIFFENER

(TYP.)

L TRUNNION BEARING

VERTICAL LIMIT OF PAINTING

- SKIN PLATE, VERTICAL GIRDER,

STIFFENERS, CONNECTION PLATE

& STOP GATE GUIDE G-7.

- GATE DRIVE RACK

LIMIT OF PAINTING

1. FOR PAINTING OF THE DRIVE RACK, SEE PAINTING NOTES ON SHEET S-101.

2. REMOVE OLD COAL TAR EPOXY PRESENT USING ABRASIVE BLASTING TECHNIQUES ON LIMITS OF

VERTICAL GIRDER, SKIN PLATE, STOP GATE GUIDE G-7 AND STIFFENERS AS SHOWN ON THIS SHEET.

3. APPLY NEW COAL TAR EPOXY ONTO THE NEWLY CLEANED AREAS OF THE MEMBERS MENTIONED ABOVE.

4. THE WOOD FENDERS SHALL REMAIN IN PLACE AND BE PROTECTED DURING THE CLEANING AND

PAINTING PROCESS.

BEYOND

HORIZONTAL GIRDER

VERTICAL GIRDER

EXTERIOR

STIFFENERS

SKIN PLATE

BEYOND

WOOD FENDERS

GUIDE G-7

STOP GATE

PLATE

CONNECTION

& STOP GATE GUIDE G-7.

STIFFENERS, CONNECTION PLATE

- SKIN PLATE, VERTICAL GIRDER,

PAINTING (OUTSIDE ONLY)

HORIZONTAL LIMIT OF

C1

SCALE: 1/8" = 1' 0 8'4' 16'

SECTOR GATE ELEVATION

D7

SCALE: 1" = 1' 0 1' 2'6"

SECTION

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®of Engineers

US Army Corps

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L NEW WALKWAY

BEAMS - W8X40

LOCATION FOR ANCHORAGE

OF FALL PROTECTION SYSTEM

WALKWAY & LADDER NOTES:

FALL PROTECTION SAFETY SYSTEM NOTES:

M A

T C

H E

X

IS

T

N E

W L

A D

D E

R

1'-6

(TYP.)

TRUSS II MEMBERS

(TYP.)

NEW STEEL CHAIN

GATE TRUNNION BEARING

- RAILING & GRATING MATCH EXISTING

NEW WALKWAY ON TRUSS II

TIMBER FENDER

ABOVE TRUSS I TO REMAIN

EXISTING WALKWAY & RAILING

1. THE EXISTING LADDER AND WALKWAY SYSTEM ON TRUSS II SHALL BE REMOVED AND REPLACED AS SHOWN.

THE CONTRACTOR IS RESPONSIBLE TO FIELD VERIFY THE PROPER LOCATIONS AND DETERMINE PRECISE DIMENSIONS FOR THE

NEW LADDER AND WALKWAY COMPONENTS.

2. ANY PAINT DAMAGES ON TRUSS II MEMBERS DUE TO REMOVAL OF THE EXISTING WALKWAY SHALL BE REPAIRED PRIOR TO

INSTALLATION OF THE NEW WALKWAY SYSTEM. ANY NEW DRILLED HOLES ON TRUSS II MEMBERS SHALL ALSO BE PAINTED.

3. THE NEW LADDER AND WALKWAY SYSTEM SHALL BE COMPLETELY FABRICATED IN THE SHOP AND HOT-DIP GALVANIZED PRIOR

TO DELIVERING TO THE FIELD FOR INSTALLATION. ALL REQUIRED FASTENING HARDWARE SHALL ALSO BE HOT-DIP GALVANIZED.

4. NO FIELD WELD IS ALLOWED ON THE EXISTING TRUSS II MEMBERS OR THE NEW WALKWAY COMPONENTS. ANY COATING

DAMAGE ON THE STEEL COMPONENTS DUE TO THEIR INSTALLATION SHALL BE REPAIRED FOR COMPLETION.

1. THE SELECTED FALL PROTECTION SAFETY SYSTEM SHALL BE PREMANUFACTURED AND SHALL CONFORM TO ALL APPLICABLE

OSHA & ANSI STANDARDS FOR FALL ARREST APPLICATIONS.

2. THE SELECTED FALL PROTECTION SAFETY SYSTEM SHALL BE A PORTABLE DAVIT TYPE SYSTEM AND SHALL HAVE AN ADJUSTABLE POST AND ARM.

3. THE SUPPORTING BASE SHALL BE COMPATIBLE WITH THE SAFETY SYSTEM AND SHALL BE PERMANENTLY ANCHORED TO THE

CONCRETE WALL. THE ANCHORAGE SHALL BE CAPABLE OF SUPPORTING 5000 LBS PER EMPLOYEE ATTACHED.

C

(TYP.)

FACE OF CONCRETE

(WEST SECTOR GATE SHOWN; EAST SECTOR GATE OPPOSITE HAND)

4 (MIN.)

CL NEW WALKWAY

BEAMS - W8X40

- BOLTED TO TRUSS II

CHORDS

2'-6"

TO REMAIN

& LADDER ACCESS

EXISTING RAILING

A S P

E R A

N S I .3

BEYOND

TRUSS II CHORDS

¾" X ¾" CLIP

- 2½" X ¾" BARS & ¾"ϕ RUNGS

NEW LADDER

EACH SIDE

¾" ϕ A307 BOLT

@ 2'-0" MAX. (TYP.)

W/ HEAVY WASHERS

¾" ϕ A307 BOLT

MATCH EXISTING

STEEL GRATING

TO REMAIN

EXISTING STEEL GRATING

1/8"

1/8"

1/8"

R U

N G S

P C

(M A

X

(M A

X

9"

STRONGER)

(2" ϕ STD. PIPE OR

MATCH EXISTING

NEW RAILING

C

C

(TYP.)

5/16"

P

CL CONNECTION

L 2" ϕ POSTC

L TRUSS II CHORD

- TOP FLANGE

L NEW WALKWAY BEAM

W8X40 - BOTTOM FLANGE

8"

(TYP.)

¾" ϕ A307 BOLT

L 9"X9"X½"

L 7"X3"X½" - 8" LONG

W8X40

1" ϕ A307 BOLT (TYP.)

4"

4"

5"

½

½

1½"

1½"

C

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M

L NEW ANCHORAGE FOR

FALL PROTECTION SYSTEM

CONCRETE CURB

TOP OF

CONCRETE ABUTMENT

TOP OF

RAILING

EXISTING ABUTMENT

PROTECTION SYSTEM

PORTABLE DAVIT TYPE FALL

COMPRESSIVE STRENGTH IS 3000 PSI

- MINIMUM EXISTING CONCRETE

DIRECTION

- INSTALLED PER MANUFACTURER'S

FALL PROTECTION SYSTEM

- COMPATIBLE WITH SELECTED

WALL MOUNTED SUPPORTING BASE

1'-6"

E5

SCALE: 1/2" = 1' 0 2' 4'1'

D7

SCALE: 1" = 1' 0 1' 2'6"

C1

SCALE: 3/8" = 1' 4'0 2' 8'

A6

SCALE: 1 1/2" = 1' 1' 2'0 6"

A9

SCALE: 1 1/2" = 1' 1' 2'0 6"

WALKWAY PLAN

N

SECTION

DETAIL - FALL PROTECTION SYSTEM

DETAIL

SECTION

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