3.c._7059 Final Drawings_D-Size.pdf

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MICHAEL P. CAROSOTTO, P.E.

MICHAEL P. CAROSOTTO, P.E.

DAVID GLASS, P.E.

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CIVIL ENGINEERING

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TECHNICAL DIRECTOR

BRANCH CHIEF

APPROVING OFFICER DATE

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VICINITY MAP

SCALE: NTS

LOCATION MAP

SCALE: NTS

DRAWING INDEX

SHEET ID SHEET NO.

LEVEL II /

SITE DESIGNATION

SITE SHEET TITLE

U.S. COAST GUARD

CIVIL ENGINEERING

CEU PROVIDENCE

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ENGINEERING UNIT

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BASE BID / BID OPTION INDEX

SITE

LEVEL II/ SITE

DESIGNATION

BID DESIGNATION

LONDONER ROCK DAYBEACON (LLNR 315)

A BASE BID

BOSTON MAIN CHANNEL LIGHT 5 (LLNR

10890)

B BASE BID

WEYMOUTH FORE RIVER CHANNEL LIGHT

16 (LLNR 11715)

C BASE BID

HARRY'S ROCK LIGHT HR (LLNR 11675)

D BASE BID

COHASSET CHANNEL LIGHT 8 (LLNR 12185)

E BASE BID

WHALEBACK DAYBEACON 8 (LLNR 9990)

F BID OPTION #1

BRIMBLES DAYBEACON (LLNR 10405)

G BID OPTION #2

SATAN ROCK DAYBEACON 6 (LLNR 10395)

H BID OPTION #3

MASSACHUSETTS BAY ATON

MASSACHUSETTS

13494020 REPAIR ATON MASSACHUSETTS BAY

(FY22 C-POP)

AT

LONDONER ROCK DAYBEACON (LLNR 315)

BOSTON MAIN CHANNEL LIGHT 5 (LLNR 10890)

WEYMOUTH FORE RIVER CHANNEL LIGHT 16 (LLNR 11715)

HARRY'S ROCK LIGHT HR (LLNR 11675)

COHASSET CHANNEL LIGHT 8 (LLNR 12185)

WHALEBACK DAYBEACON 8 (LLNR 9990)

BRIMBLES DAYBEACON (LLNR 10405)

SATAN ROCK DAYBEACON 6 (LLNR 10395)

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G-001 01 -

ALL COVER SHEET

G-002 02 -

ALL GENERAL NOTES

S-201A 03 A

LONDONER ROCK DAYBEACON EXISTING DEMOLITION

S-202A 04 A

LONDONER ROCK DAYBEACON GENERAL ARRANGEMENT

S-501A 05 A

LONDONER ROCK DAYBEACON GENERAL DETAILS

S-201B 06 B

BOSTON MAIN CHANNEL LIGHT 5 EXISTING DEMOLITION

S-202B 07 B

BOSTON MAIN CHANNEL LIGHT 5 GENERAL ARRANGEMENT

S-201C 08 C

WEYMOUTH FORE RIVER CHANNEL LIGHT

16 EXISTING DEMOLITION

S-202C 09 C

WEYMOUTH FORE RIVER CHANNEL LIGHT

16 GENERAL ARRANGEMENT

S-201D 10 D

HARRY'S ROCK LIGHT HR EXISTING DEMOLITION

S-202D 11 D

HARRY'S ROCK LIGHT HR GENERAL ARRANGEMENT

S-501 12 B, C, D

- GENERAL DETAILS - 1

S-502 13 B, C, D

- GENERAL DETAILS - 2

S-201E 14 E

COHASSET CHANNEL LIGHT 8 EXISTING DEMOLITION

S-202E 15 E

COHASSET CHANNEL LIGHT 8 GENERAL ARRANGEMENT

S-501E 16 E

COHASSET CHANNEL LIGHT 8 GENERAL DETAILS

S-201F 17 F

WHALEBACK DAYBEACON 8 EXISTING DEMOLITION

S-202F 18 F

WHALEBACK DAYBEACON 8 GENERAL ARRANGEMENT

S-201G 19 G

BRIMBLES DAYBEACON EXISTING DEMOLITION

S-202G 20 G

BRIMBLES DAYBEACON GENERAL ARRANGEMENT

S-201H 21 H

SATAN ROCK DAYBEACON 6 EXISTING DEMOLITION

S-202H 22 H

SATAN ROCK DAYBEACON 6 GENERAL ARRANGEMENT

R-701 23 -

BOSTON MAIN CHANNEL LIGHT 5 TOWER REFERENCE - 01

R-702 24 -

BOSTON MAIN CHANNEL LIGHT 5 TOWER REFERENCE - 02

R-703 25 -

BOSTON MAIN CHANNEL LIGHT 5 TOWER REFERENCE - 03

R-704 26 -

BOSTON MAIN CHANNEL LIGHT 5 TOWER REFERENCE - 04

R-705 27 -

HARRY'S ROCK LIGHT TOWER REFERENCE - 05

R-706 28 -

MONO PILE DAYBEACONS TOWER REFERENCE - 06

R-707 29 -

MONO PILE DAYBEACONS TOWER REFERENCE - 07

LOCATION MAP

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U.S. COAST GUARD

CIVIL ENGINEERING

GENERAL NOTES:

1. THE DRAWINGS AND SPECIFICATIONS FORM A PART OF THE CONTRACT DOCUMENTS AND ALL WORK MUST BE

PERFORMED IN ACCORDANCE WITH THE CONTRACT DOCUMENTS. THE CONTRACTOR MUST KEEP A COPY OF

THE DRAWINGS AND THE SPECIFICATIONS ON SITE AT ALL TIMES DURING THE WORK.

2. IT IS RECOMMENDED TO COMPLETE A PRE-BID SITE VISIT TO VERIFY THE PROJECT SCOPE AND EXTENT OF

WORK.

3. ELEVATIONS ARE IN FEET BASED ON MEAN LOWER LOW WATER (MLLW) PROJECT DATUM FOR THE 1983-2001

TIDAL EPOCH.

4. ALL NORTH ARROWS SHOWN ARE GRID NORTH BASED ON NAD83.

5. DIMENSIONS AND DETAILS OF THE EXISTING ELEMENTS ARE BASED ON LIMITED ARCHIVE DRAWINGS AND

LIMITED FIELD MEASUREMENTS. WORK RELATED ELEVATIONS, DIMENSIONS AND DETAILS OF THE EXISTING

ELEMENTS MUST BE FIELD VERIFIED BY THE CONTRACTOR. DISCREPANCIES MUST BE BROUGHT TO THE

ATTENTION OF THE GOVERNMENT BEFORE ORDERING MATERIALS AND PROCEEDING WITH THE WORK.

6. DETERMINE CONSTRUCTION PROCEDURES AND SEQUENCE TO ENSURE THE SAFETY OF THE FACILITIES.

ERECT, MAINTAIN AND REMOVE TEMPORARY ERECTION MATERIALS AND EQUIPMENT. COORDINATE ALL

PROPOSED STAGING AREAS WITH THE GOVERNMENT BEFORE STARTING THE WORK.

7. MAINTAIN ADEQUATE SURVEY CONTROL AT ALL TIMES TO ESTABLISH AND MAINTAIN ALL LINES AND

ELEVATIONS.

8. SCHEDULE AND COORDINATE ALL WORK, INCLUDING ALLOWABLE WORK WINDOWS, WITH THE GOVERNMENT, AND MAINTAIN THE WORK SITE TO THE SATISFACTION OF THE GOVERNMENT.

9. PROVIDE AND MAINTAIN ENVIRONMENTAL CONTROLS AS REQUIRED BY FEDERAL, STATE AND LOCAL

REGULATIONS AND PERMITS. ENVIRONMENTAL CONTROLS MUST INCLUDE BUT NOT BE LIMITED TO TURBIDITY

AND DUST.

10. THE CONTRACTOR IS RESPONSIBLE FOR ALL DAMAGE DONE TO STRUCTURES AS A RESULT OF PERFORMING

THE WORK.

11. THE CONTRACTOR MAY BE CHARGED ANY ADDITIONAL COST FOR REINSPECTION OR RETEST WHEN PRIOR

REJECTION MAKES REINSPECTION OR RETESTING NECESSARY.

ELEVATION IS SHOWN

SHEET NUMBER WHERE

SECTION IS SHOWN

SHEET NUMBER WHERE

INTERIOR ELEVATION/SECTION

DETAIL

SHEET NUMBER WHERE

DETAIL IS SHOWN

INDICATES

REFERENCE QUADRANT

ON DESTINATION SHEET

INDICATES

REFERENCE QUADRANT

ON DESTINATION SHEET

INDICATES

REFERENCE QUADRANT

ON DESTINATION SHEET

EXTERIOR ELEVATION/SECTION

A1

C-101

A1

C-101

A1

C-101

APPROX APPROXIMATE

ATON AID TO NAVIGATION

CIP CAST-IN-PLACE

℄ CENTERLINE

CLR CLEAR

CY CUBIC YARD

DIA Ø DIAMETER

EL ELEVATION IN FEET

GALV GALVANIZED

HDG HOT DIPPED GALVANIZE

ID INSIDE DIAMETER

LBS POUNDS

LF LINEAR FEET

MAX MAXIMUM

MHW MEAN HIGH WATER

MIN MINIMUM

MISC MISCELLANEOUS

MLLW MEAN LOWER LOW WATER

NTS NOT TO SCALE

OC ON CENTER

PP PIPE PILE

PCF POUNDS PER CUBIC FOOT

⅊ PLATE

PLCS PLACES

PSF POUNDS PER SQUARE FOOT

REF REFERENCE

SCH SCHEDULE

SF SQUARE FEET

SQ SQUARE

SS STAINLESS STEEL

STA STATION

STD STANDARD

TYP TYPICAL

UON UNLESS OTHERWISE NOTED

WP WORKING POINT

LEGEND

ELEVATION, SECTION OR DETAIL SYMBOLS

WORK DEFINITIONS

1. "REMOVE" IS DEFINED AS REMOVE AND DISPOSE OF STRUCTURE OR ELEMENT.

2. "REMOVE AND SALVAGE" IS DEFINED AS REMOVE THE STRUCTURE OR ELEMENT FROM

THE EXISTING STRUCTURE AND SALVAGE FOR REINSTALLATION ON THE PROVIDED

STRUCTURE.

3. "PROVIDE" IS DEFINED AS PROVIDE NEW STRUCTURE OR ELEMENT.

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DEMOLITION NOTES:

LIGHT LIST

NUMBER 315

NAME AND LOCATION

LONDONER ROCK

DAYBEACON

POSITION

42-38-06.479N

070-33-57.962W

LIGHT CHARACTERISTIC N/A

HEIGHT ABOVE MEAN HIGH

WATER TO FOCAL PLANE

(FEET)

UNK

NOMINAL RANGE OF

LIGHTED ATON (KM)

N/A

STRUCTURE TYPE SPINDLE

ACCESS WATER

STATION ID: 8441551

ROCKPORT HARBOR, MA

FEET

HIGHEST OBSERVED WATER N/A

MEAN HIGHER HIGH WATER 9.46

MEAN HIGH WATER 9.03

MEAN SEA LEVEL 4.71

MEAN TIDE LEVEL 4.68

MEAN LOW WATER 0.32

MEAN LOWER LOW WATER 0.00

LOWEST OBSERVED WATER N/A

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DAYBEACON

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CIVIL ENGINEERING

LOOKING NORTHWEST

SCALE: NTS

E6

LOOKING SOUTHWEST

SCALE: NTS

C6

BASE BID

EXISTING "SPINDLE" PILE

(REMOVE)

A6

S-201A

C6

S-201A

E6

S-201A

EXISTING "SPINDLE"

PILE

APPROXIMATE BEDROCKAPPROXIMATE BEDROCKAPPROXIMATE BEDROCK

MHHW EL. 9.46'

MLLW EL. 0.00'

MHW EL. 9.03'

MLW EL. 0.32'

0 2' 4' 6'

SCALE:

"=1'-0"

EXISTING TOWER ELEVATION

A2

1. "SPINDLE" PILE FOUNDATION IS STEEL/IRON AND THE CONNECTION TO BEDROCK IS

UNKNOWN.

NOTES:

1. REMOVE EXISTING "SPINDLE" PILE IN ITS ENTIRETY TO TOP OF BEDROCK.

2. FOLLOW FEDERAL AND STATE PERMIT REQUIREMENTS FOR PILE REMOVAL.

3. THESE DRAWINGS ARE DIAGRAMMATIC AND MAY NOT DEPICT ALL COMPONENTS

OF THE EXISTING STRUCTURE.

SCALE: NTS

EXISTING PLAN VIEW

A6

TOP OF PILE EL. 15' ±

(REF)

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LONDONER

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S-202A

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BASE BID

0 2' 4' 6'

SCALE:

"=1'-0"

TOWER ELEVATION

A1

0 10' 20' 40'

SCALE: 1"=20'-0"

HYDROGRAPHIC SURVEY

A1

S-202A

6'-0"±

(TYP)

INSTALL 4 DAYBOARDS

(COORDINATE WITH CONTRACTING OFFICER,

SEE NOTE 7)

PROVIDE STEEL LADDER

(SEE NOTE 5)

PROVIDE FRP GRATING

PROVIDE STEEL HANDRAIL (TYP,

(SEE NOTE 5)

PROVIDE TURNBUCKLES

(4 TOTAL, SEE NOTE 5)

PROVIDE DAYBOARD BRACKET (TYP)

PROVIDE STEEL FRAMING (TYP)

PROVIDE TURNBUCKLES (TYP)

ROCK SOCKET

PROVIDE STEEL LADDER AND

SAFETY CLIMB SYSTEM

M I N

PROVIDE SAFETY CLIMB SYSTEM

DEPTH

FEET

LOCATION OF EXISTING

LONDONER ATON

(LOCATED WITH SONAR)

+0

+5

+4

+3

+2

+1

+6

-1

-2

-3

-4

-5

-6

-7

-8

-9

-10

-11

-12

-13

-14

-15

-16

-17

-18

-19

-20

-21

-23

-22

-24

-25

-26

-27

-28

-29

-30

-31

-32

0' 2' 4' 6'

SCALE: "=1'-0"

PLAN

A1

S-501A

PROVIDE NPS 18 SCH

120 GALVANIZED PIPE

1. THIS HYDROGRAPHIC SURVEY REPRESENTS CONDITIONS EXISTING ON 10/8/21

AND MAY NOT BE REPRESENTATIVE OF CONDITIONS ON ANOTHER DATE.

2. THIS HYDROGRAPHIC SURVEY IS INTENDED FOR USE ON THIS PROJECT ONLY,

AND IS NOT INTENDED FOR ANY OTHER PROJECT OR PURPOSE.

3. MULTI BEAM BATHYMETRIC DATA COLLECTED USING SURVEY VESSEL SEATRAC

SP-48(ASV), A NORBIT iWBMS 400 KHZ SONAR, APPLANIX RTK GPS WITH

INTEGRATED IMU, AML SVP, WITH SMARTNET VRS GPS CORRECTIONS, AND

HYPACK 2019 FOR DATA ACQUISITION AND PROCESSING.

4. SOUNDINGS ARE IN FEET AND TENTHS BELOW MEAN LOWER LOW WATER (MLLW).

SOUNDINGS GENERATED FROM 1'X1' MINIMUM DATA, SORTED TO 5' FOR

PLOTTING. THE CORRECTION FROM NAVD(88) TO MLLW = -5.00 FT DETERMINED

USING NOAA V-DATUM IN THE VICINITY OF LONDONER ATON, EAST OF THACHER

ISLAND, ROCKPORT, MA. THE COORDINATE SYSTEM IS THE MA - MAINLAND STATE

PLANE COORDINATE SYSTEM, DATUM: NAD83, UNITS: US SURVEY FEET.

5. REFER TO DETAILS ON SHEETS R-706 AND R-707 UNLESS NOTED OTHERWISE.

6. INSTALL THE PROVIDED MONOPILE AS CLOSE AS RECOMMENDED TO THE

EXISTING SPINDLE. COORDINATE FINAL LOCATION WITH CONTRACTING OFFICER.

7. DAYBOARDS TO BE PROVIDED BY THE GOVERNMENT.

MHW EL. 9.03'

MLW EL. 0.32'

TOP OF PLATFORM 34.0'

APPROXIMATE

BEDROCK EL. 2.0'

PROVIDE SAFETY CLIMB SYSTEM

PROVIDE NPS 18 SCH

120 GALVANIZED PIPE

A4

S-202A

0 2' 4' 6'

SCALE:

"=1'-0"

TOWER ELEVATION

A4

M I N

BOTTOM OF LADDER/SAFETY

CLIMB EL. 10.0'

PROVIDE STEEL LADDER

(SEE NOTE 5)

E5

S-501A

E7

S-501A

MHHW EL. 9.46'

MLLW EL. 0.00'

E5

S-501A

E7

S-501A

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LONDONER

ROCK

DAYBEACON

S-501A

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P S

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O U

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M

P S

H I R

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O

W N

U.S. COAST GUARD

CIVIL ENGINEERING

BASE BID

0 1' 2' 4'

SCALE:

"=1'-0"

ROCK SOCKET DETAIL

A1

FRACTURED BEDROCK

(ASSUME TOP 2 FEET)

NPS 18 SCH 120

GALVANIZED PIPE

22" DIA ROCK SOCKET

GROUT FILLED ANNULAR SPACE

M

B

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M E

U

D

R O

C K

APPROXIMATE

BEDROCK

LADDER TOP BRACKET

18" SLIP ON FLANGE

(25" O.D., 16 BOLT HOLES)

LADDER BRACKET (TYP)

NPS 18 SCH 120

GALVANIZED PIPE

NPS 18 SCH 120

GALVANIZED PIPE

#8 GALVANIZED STEEL

REBAR LADDER RUNG

@ 12" O.C.

0 1' 2' 3'

SCALE:

"=1'-0"

LADDER WALK THROUGH DETAIL

E1

TOP OF FRP GRATING

LADDER

1'-6"

2'-6"

T

Y P

SAFETY CLIMB SYSTEM

3" x 3" x

GALVANIZED LADDER

BRACKET PLATE

5/16

(TYP)

3" x

" FLAT BAR

1'-4 1/2"

0'-10"

FLAT

0'-1 1/2"

0'-2" FLAT

" Ø HOLE

3" X

" GALVANIZED

LADDER RAIL

5/16

(TYP)

5/16

(TYP)

3" x

" FLAT BAR

0'-3"0'-6"0'-3"

0'-1"

5/16

(TYP)

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

LADDER CONNECTION AT FLANGE

E5

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

TYPICAL LADDER CONNECTION

E7

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

LADDER TOP BRACKET

C5

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

TYPICAL LADDER BRACKET

C7

" Ø x 2" LONG

LADDER BOLTS

No 53396

CIVIL

RIDEN

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1. REMOVE EXISTING LIGHT FOUNDATION (PILES, BRACING, BEAMS) AND UP TO 4

ABANDONED PILES IN THEIR ENTIRETY.

2. FOLLOW FEDERAL AND STATE PERMIT REQUIREMENTS FOR PILE REMOVAL.

3. THESE DRAWINGS ARE DIAGRAMMATIC AND MAY NOT DEPICT ALL COMPONENTS

OF THE EXISTING STRUCTURE.

4. SEE R-701, R-702, R-703, AND R-704 FOR ADDITIONAL INFORMATION OF EXISTING

MEMBERS.

LIGHT LIST

NUMBER 10890

NAME AND LOCATION

BOSTON MAIN CHANNEL

LIGHT 5

POSITION

42-20-0.162N

071-0-3.732W

LIGHT CHARACTERISTIC Fl G2.5s

HEIGHT ABOVE MEAN HIGH

WATER TO FOCAL PLANE

(FEET)

NOMINAL RANGE OF

LIGHTED ATON (KM)

N/A

STRUCTURAL

CHARACTERISTIC

KGR ON SKELETON TOWER

ACCESS WATER

STATION ID: 8443970

BOSTON LIGHT, MA

FEET

HIGHEST OBSERVED WATER (01/04/2018)

15.17

MEAN HIGHER HIGH WATER 10.28

MEAN HIGH WATER 9.84

MEAN SEA LEVEL 5.21

MEAN TIDE LEVEL 5.09

MEAN LOW WATER 0.35

MEAN LOWER LOW WATER 0.00

LOWEST OBSERVED WATER (03/24/1940)

-3.74

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LIGHT 5

S-201B

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U.S. COAST GUARD

CIVIL ENGINEERING

LOOKING WEST

SCALE: NTS

A9

LOOKING NORTH

SCALE: NTS

C6

LOOKING NORTH

SCALE: NTS

A6

BASE BID

0 2' 4' 8'

SCALE:

"=1'-0"

EXISTING TOWER ELEVATION

A2

0 2' 4' 8'

SCALE: "=1'-0"

EXISTING DECK FRAMING PLAN

MHHW EL 10.28'

MLLW EL 0.00'

EXISTING STEEL TRUSS TOWER

(REMOVE AND SALVAGE)

EXISTING TRUSS TOWER LADDER

(REMOVE AND SALVAGE)

EXISTING OPTIC LIGHT

(REMOVE AND SALVAGE)

EXISTING DAVIT

(REMOVE AND SALVAGE)

EXISTING 12" DIA. STEEL PILE (TYP)

(REMOVE)

EXISTING 4" X-STRONG

STEEL PIPE (TYP)

(REMOVE)

EXISTING DAYBOARD

(REMOVE AND SALVAGE)

(3 TOTAL)

FOCAL HEIGHT EL 41.84'

EL 32.0' (MHW)

MHW EL 9.84'

T

O W

E R

EXISTING W6x25 (TYP)

(REMOVE)

EXISTING 12" DIA.

STEEL PILE (TYP)

(REMOVE)

T

Y P

A9

S-201B

EXISTING W6x25 (TYP)

(REMOVE)

C6

S-201B

A6

S-201B

MLW EL 0.35'

8'-0"

(TYP)

EXISTING C6x16 (TYP)

(REMOVE)

T

Y P

A2

S-201B

TOP OF DECK EL 15.89'±

APPROXIMATE MUDLINE EL -12.0'

25' EMBEDMENT

MIN (NOTE 4)

TOP OF PILE EL 15.35'±

F6

S-201B

F6

No 53396

CIVIL

RIDEN

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BOSTON MAIN

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LIGHT 5

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U.S. COAST GUARD

CIVIL ENGINEERING

BASE BID

0 2' 4' 8'

SCALE:

"=1'-0"

TOWER SOUTH ELEVATION

A2

REINSTALL STEEL TRUSS TOWER

REINSTALL TRUSS TOWER LADDER

REINSTALL OPTIC LIGHT

(COORDINATE WITH CONTRACTING OFFICER)

REINSTALL DAVIT

PROVIDE PP16x0.500 (TYP)

PROVIDE PIPE 6 XX-STRG

BRACING (TYP)

PROVIDE FIBERGLASS

DECK GRATING

MHHW EL 10.28'

MLLW EL 0.00'

FOCAL HEIGHT EL 41.84'

EL 32.0' (MHW)

MHW EL 9.84'

MLW EL 0.35'

REINSTALL DAYBOARDS (3 EXISTING/1 NEW)

(COORDINATE CONNECTION OF DAYBOARD ON

LADDER SIDE OF TOWER WITH CONTRACTING

OFFICER, SEE NOTE 4)

APPROXIMATE MUDLINE EL -12.0'

TOP OF DECK EL 15.89'±

PROVIDE SAFETY CLIMB SYSTEM

PROVIDE STEEL LADDER

PIPE 6 XX-STRG

SUPPORT BRACE

PROVIDE STEEL LADDER

0 2' 4' 8'

SCALE:

"=1'-0"

TOWER WEST ELEVATION

A5

10'-0"

PROVIDE STEEL HANDRAIL (TYP)

E1

S-502

REINSTALL DAVIT

PROVIDE PP16x0.500 (TYP)

PROVIDE PIPE 6 XX-STRG

BRACING (TYP)

PROVIDE FIBERGLASS

DECK GRATING

PROVIDE STEEL LADDER

PIPE 6 XX-STRG

SUPPORT BRACE

PROVIDE STEEL LADDER

PROVIDE STEEL HANDRAIL (TYP)

E1

S-502

REINSTALL STEEL TRUSS TOWER

REINSTALL TRUSS TOWER LADDER

C7

S-202B

0 2' 4' 6'

SCALE:

"=1'-0"

TOWER DECK FRAMING PLAN

C7

A7

S-202B

0 2' 4' 6'

SCALE:

"=1'-0"

TOWER PILE PLAN

A7

PROVIDE PIPE PILE AND CAP PLATE (TYP)

PROVIDE PIPE PILE (TYP)

PROVIDE W6x25 (TYP)

PROVIDE C6X13 (TYP)

C

W

A N

G L E

S

PROVIDE ∠2x2x

(TYP)

PROVIDE PIPE

6 XX-STRG BRACING

5/16

(TYP)

NOTES:

1. PROVIDE SPACER BETWEEN

CHANNEL AND GRATE OR

FOOT PAD AS NEEDED TO

SECURELY WELD.

PROVIDE FIBERGLASS DECK (ONLY

PORTION SHOWN FOR CLARITY)

T

O W

C

T I O

N S

TOP OF PILE EL 15.35'±

TOWER DECK EL 36.55'±

LADDER BRACE EL 4.0'±

BOTTOM OF LADDER EL 2.0'±

REINSTALL OPTIC LIGHT

(COORDINATE WITH

CONTRACTING OFFICER)

B

E A

M P

I L E

B

E A

M P

I L E

BEAM/PILE

BEAM/PILE

PROVIDE

STEEL LADDER

PROVIDE

STEEL LADDER

PILE TIP EL -47.0 (MIN)

PROVIDE BRACING

PROVIDE BRACING

C1

S-502

C1

S-502

No 53396

CIVIL

RIDEN

KIRK F.

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03/25/2022

REINSTALL DAYBOARDS (3 EXISTING/1 NEW)

(COORDINATE CONNECTION OF DAYBOARD ON

LADDER SIDE OF TOWER WITH CONTRACTING

OFFICER SEE NOTE 4)

TOP OF ANODE EL. -4.0'

PROVIDE SACRIFICIAL

ANODES (4, TYP)

A8

S-501

5/16

(3 SIDES, TYP)

NOTES:

1. FOR TRUSS TOWER, SAFETY CLIMB LADDER, DAVIT, AND OTHER TOWER

APPURTENANCES SEE SHEETS R-701, R-702, R-703, AND R-704 OF THIS DRAWING

SET.

2. VERIFY POSITION OF EXISTING OPTIC LIGHT (COORDINATES AND ORIENTATION)

WITH A PRE-CONSTRUCTION SURVEY. REINSTALL OPTIC LIGHT IN ITS EXISTING

LOCATION; VERIFY WITH POST-CONSTRUCTION SURVEY.

3. THE DESIGN INTENT IS FOR THE PLATFORM TO BE FIELD WELDED TO THE PILE

CAP PLATES AND THE PILE CAP PLATES FIELD WELDED TO THE PILES. TOWER TO

PLATFORM CONNECTION IS TO BE BOLTED.

4. DAYBOARDS TO BE PROVIDED BY THE GOVERNMENT.

NOTES:

NUMBER 11715

NAME AND LOCATION

WEYMOUTH FORE RIVER

CHANNEL LIGHT 16

POSITION

42-16-03.129N

070-56-06.484W

LIGHT CHARACTERISTIC Fl R2.5s

HEIGHT ABOVE MEAN HIGH

WATER TO FOCAL PLANE

(FEET)

NOMINAL RANGE OF

LIGHTED ATON (KM)

N/A

STRUCTURAL

CHARACTERISTIC

KGR ON SKELETON TOWER

ACCESS WATER

STATION ID: 8444525

NUT ISLAND, MA

FEET

HIGHEST OBSERVED WATER (03/06/2001)

13.04

MEAN HIGHER HIGH WATER 10.22

MEAN HIGH WATER 9.77

MEAN SEA LEVEL 5.17

MEAN TIDE LEVEL 5.06

MEAN LOW WATER 0.34

MEAN LOWER LOW WATER 0.00

LOWEST OBSERVED WATER (02/11/2001)

-3.13

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FORE RIVER

CHANNEL LT16

S-201C

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U.S. COAST GUARD

CIVIL ENGINEERING

LOOKING EAST

SCALE: NTS

E6

LOOKING SOUTH

SCALE: NTS

C6

LOOKING NORTHEAST

SCALE: NTS

A6

BASE BID

0 2' 4' 8'

SCALE: "=1'-0"

EXISTING PLAN

0 2' 4' 8'

SCALE:

"=1'-0"

EXISTING TOWER SOUTHWEST ELEVATION

A2

MHHW EL. 10.22'

MLLW EL. 0.00'

MHW EL. 9.77'

FOCAL HEIGHT EL. 37.77'

EL. 28.0' (MHW)

EXISTING OPTIC LIGHT

(REMOVE AND SALVAGE)

EXISTING STEEL HANDRAIL

(REMOVE)

EXISTING 16" DIA.

STEEL PIPE PILE (TYP)

(REMOVE)

EXISTING DAYBOARD (TYP)

(REMOVE AND SALVAGE)

(3 TOTAL)

EXISTING 2'x2' TOWER

(REMOVE)

EXISTING 6" DIA. STEEL

PIPE BRACING (TYP)

(REMOVE)

EXISTING 6" DIA. STEEL PIPE

HORIZONTAL BRACING (TYP)

(REMOVE)

EXISTING 8" DIA. STEEL

PIPE BRACING (TYP)

(REMOVE)

A2

S-201C

EXISTING 16" STEEL PILE (TYP)

(REMOVE)

EXISTING HANDRAIL (TYP)

(REMOVE)

EXISTING TRUSS

TOWER LADDER

(REMOVE)

E6

S-201C

A6

S-201C

EXISTING STEEL TRUSS TOWER

(REMOVE)

EXISTING OPTIC LIGHT

(REMOVE)

C6

S-201C

EXISTING FIBERGLASS

GRATING (TYP)

(REMOVE)

10'-0"±

(TYP)

MLW EL. 0.34'

1. REMOVE EXISTING LIGHT FOUNDATION (PILES, BRACING, BEAMS) IN THEIR

ENTIRETY.

2. FOLLOW FEDERAL AND STATE PERMIT REQUIREMENTS FOR PILE REMOVAL AND

DRIVING.

3. THESE DRAWINGS ARE DIAGRAMMATIC AND MAY NOT DEPICT ALL COMPONENTS

OF THE EXISTING STRUCTURE.

APPROXIMATE MUDLINE EL. -13.0'

TOP OF DECK EL 26.91'±

No 53396

CIVIL

RIDEN

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L

A

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WEYMOUTH

FORE RIVER

CHANNEL LT16

S-202C

P

P S

C

D

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C I V

I L

E

N G

I N

E E

R I N

G

U

N

O

V I D

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C E

K

I L V

E R

T

S

T

S

U I T

E

W A

R W

I C

K

R

I

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T H

F

A N

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D

M

T J D

K F

R

A P

P L E

D O

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I N

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E

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L L C

P O

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O U

T H

N

M

P S

H I R

E

O

W N

U.S. COAST GUARD

CIVIL ENGINEERING

NOTES:

BASE BID

INSTALL STEEL TRUSS TOWER

INSTALL TRUSS TOWER LADDER

PROVIDE DAVIT

FOCAL HEIGHT EL. 37.77'

EL. 28.0' (MHW)

APPROXIMATE MUDLINE EL. -13.0'

INSTALL OPTIC LIGHT

(COORDINATE WITH CONTRACTING OFFICER)

M I N

BEDROCK EL. (VARIES,

SEE NOTE 4)

PROVIDE SAFETY CLIMB SYSTEM

1. FOR TRUSS TOWER, SAFETY CLIMB LADDER, DAVIT, AND OTHER TOWER

APPURTENANCES SEE SHEETS R-701, R-702, R-703, AND R-704 OF THIS DRAWING

SET.

2. VERIFY POSITION OF EXISTING OPTIC LIGHT (COORDINATES AND ORIENTATION)

WITH A PRE-CONSTRUCTION SURVEY. REINSTALL OPTIC LIGHT IN ITS EXISTING

LOCATION; VERIFY WITH POST-CONSTRUCTION SURVEY.

3. THE DESIGN INTENT IS FOR THE PLATFORM TO BE FIELD WELDED TO THE PILE

CAP PLATES AND THE PILE CAP PLATES FIELD WELDED TO THE PILES. TOWER TO

PLATFORM CONNECTION IS TO BE BOLTED.

4. BEDROCK ELEVATION VARIES. ASSUME 100 FOOT LONG PILES FOR BIDDING

PURPOSES.

5. DAYBOARDS TO BE PROVIDED BY THE GOVERNMENT.

NOTES:

0 2' 4' 8'

SCALE:

"=1'-0"

TOWER SOUTH ELEVATION

A2

PROVIDE PIPE 6 XX-STRG

BRACING (TYP)

PROVIDE FIBERGLASS

DECK GRATING

MHHW EL 10.28'

MLLW EL 0.00'

MHW EL 9.84'

MLW EL 0.35'

TOP OF DECK EL 15.89'±

PROVIDE STEEL LADDER

PIPE 6 XX-STRG

SUPPORT BRACE

0 2' 4' 8'

SCALE:

"=1'-0"

TOWER WEST ELEVATION

A5

10'-0"

PROVIDE STEEL HANDRAIL (TYP)

E1

S-502

PROVIDE PIPE 6 XX-STRG

BRACING (TYP)

PROVIDE FIBERGLASS

DECK GRATING

PROVIDE STEEL LADDER

PIPE 6 XX-STRG

SUPPORT BRACE

PROVIDE STEEL HANDRAIL (TYP)

E1

S-502

REINSTALL STEEL TRUSS TOWER

REINSTALL TRUSS TOWER LADDER

C7

S-202C

0 2' 4' 6'

SCALE:

"=1'-0"

TOWER DECK FRAMING PLAN

C7

A7

S-202C

0 2' 4' 6'

SCALE:

"=1'-0"

TOWER PILE PLAN

A7

PROVIDE PIPE PILE (TYP)

PROVIDE W6x25 (TYP)

PROVIDE C6X13 (TYP)

C

W

A N

G L E

S

PROVIDE ∠2x2x

(TYP)

PROVIDE PIPE

6 XX-STRG BRACING

5/16

(TYP)

NOTES:

1. PROVIDE SPACER BETWEEN

CHANNEL AND GRATE OR

FOOT PAD AS NEEDED TO

SECURELY WELD.

PROVIDE FIBERGLASS DECK (ONLY

PORTION SHOWN FOR CLARITY)

T

O W

C

T I O

N S

TOP OF PILE EL 15.35'±

LADDER BRACE EL 4.0'±

BOTTOM OF LADDER EL 2.0'±

B

E A

M P

I L E

B

E A

M P

I L E

BEAM/PILE

BEAM/PILE

PROVIDE

STEEL LADDER

PROVIDE

STEEL LADDER

PROVIDE DAVIT

INSTALL OPTIC LIGHT

(COORDINATE WITH CONTRACTING OFFICER)

TOP OF ANODE EL. -6.0'

ROCK

SOCKET (TYP)

PROVIDE PP16x0.500 (TYP)

PROVIDE STEEL LADDER

PROVIDE PP16x0.500 (TYP)

PROVIDE STEEL LADDER

C1

S-502

C1

S-502

A6

S-501

ROCK

SOCKET (TYP)

A6

S-501

No 53396

CIVIL

RIDEN

KIRK F.

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F

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E

R

03/25/2022

REINSTALL DAYBOARDS (3 EXISTING/1 NEW)

(COORDINATE CONNECTION OF DAYBOARD ON

LADDER SIDE OF TOWER WITH CONTRACTING

OFFICER, SEE NOTE 5)

REINSTALL DAYBOARDS (3 EXISTING/1 NEW)

(COORDINATE CONNECTION OF DAYBOARD ON

LADDER SIDE OF TOWER WITH CONTRACTING

OFFICER, SEE NOTE 5)

PROVIDE SACRIFICIAL

ANODES (4, TYP)

A8

S-501

PROVIDE PIPE PILE AND CAP PLATE (TYP)

5/16

(3 SIDES, TYP)

NUMBER 11675

NAME AND LOCATION HARRY'S ROCK LIGHT

POSITION

42-17-13.291N

070-55-54.280W

LIGHT CHARACTERISTIC Fl W4s

HEIGHT ABOVE MEAN HIGH

WATER TO FOCAL PLANE

(FEET)

NOMINAL RANGE OF

LIGHTED ATON (KM)

N/A

STRUCTURAL

CHARACTERISTIC

KGR ON SKELETON TOWER

ACCESS WATER

D E

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SHEET ID

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A L

E X

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T I N

G

D

E M

O L

I T

I O

N

HARRY'S

ROCK LIGHT

HR

S-201D

P

P S

D

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C I V

I L

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I N

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R I N

G

U

N

O

V I D

E N

C E

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I L V

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S

T

S

U I T

E

W A

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I C

K

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T H

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A N

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P

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T J D

M W

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M

T J D

K F

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A P

P L E

D O

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E

N G

I N

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L L C

P O

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T H

N

M

P S

H I R

E

O

W N

U.S. COAST GUARD

CIVIL ENGINEERING

LOOKING SOUTH

SCALE: NTS

E6

LOOKING NORTH

SCALE: NTS

C6

LOOKING EAST

SCALE: NTS

A6

BASE BID

0 2' 4' 8'

SCALE:

"=1'-0"

EXISTING TOWER ELEVATION

A2

0 2' 4' 8'

SCALE: "=1'-0"

MHHW EL. 10.22'

MLLW EL. 0.00'

EXISTING STEEL 2'X2' TRUSS TOWER

(REMOVE)

EXISTING OPTIC LIGHT

(REMOVE AND SALVAGE)

EXISTING DAYBOARD

(REMOVE AND SALVAGE)

(2 TOTAL)

MHW EL. 9.77'

EXISTING HANDRAIL

(REMOVE)

FOCAL HEIGHT EL. 35.77'

EL. 26.0' (MHW)

EXISTING DAYBOARD (TYP)

(REMOVE)

(2 TOTAL)

EXISTING OPTIC LIGHT

(REMOVE)

EXISTING LADDER

(REMOVE)

EXISTING STEEL

HANDRAIL (TYP)

(REMOVE)

EXISTING LIGHT PLATFORM

(REMOVE)

EXISTING TOWER PLATFORM

(REMOVE)

EXISTING STEEL BRACING (TYP)

(REMOVE)

12'-0"±

STATION ID: 8444525

NUT ISLAND, MA

FEET

HIGHEST OBSERVED WATER (03/06/2001)

13.04

MEAN HIGHER HIGH WATER 10.22

MEAN HIGH WATER 9.77

MEAN SEA LEVEL 5.17

MEAN TIDE LEVEL 5.06

MEAN LOW WATER 0.34

MEAN LOWER LOW WATER 0.00

LOWEST OBSERVED WATER (02/11/2001)

-3.13

MLW EL. 0.34''

1. REMOVE EXISTING LIGHT FOUNDATION (PILES, BRACING, BEAMS) IN THEIR

ENTIRETY.

2. FOLLOW FEDERAL AND STATE PERMIT REQUIREMENTS FOR PILE REMOVAL.

3. THESE DRAWINGS ARE DIAGRAMMATIC AND MAY NOT DEPICT ALL COMPONENTS

OF THE EXISTING STRUCTURE.

4. SEE REFERENCE DRAWING SHEET R-705 FOR ADDITIONAL INFORMATION OF

EXISTING MEMBERS.

EXISTING STEEL CROSS BRACING

(REMOVE)

EXISTING STEEL CROSS BRACING

(REMOVE)

A2

S-201D

A6

S-201D

C6

S-201D

E6

S-201D

APPROXIMATE MUDLINE EL. -13.0'

TOP OF DECK 17.28'±

EXISTING STEEL HP PILE

(REMOVE)

No 53396

CIVIL

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G E

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L

A

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G E

M E

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HARRY'S

ROCK LIGHT

HR

S-202D

P

P S

D

D

W G

C I V

I L

E

N G

I N

E E

R I N

G

U

N

O

V I D

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C E

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I L V

E R

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S

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K

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P L E

D O

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L L C

P O

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S M

O U

T H

N

M

P S

H I R

E

O

W N

U.S. COAST GUARD

CIVIL ENGINEERING

BASE BID

INSTALL STEEL TRUSS TOWER

INSTALL TRUSS TOWER LADDER

PROVIDE DAVIT

FOCAL HEIGHT EL. 35.77'

EL. 26.0' (MHW)

APPROXIMATE MUDLINE EL. -13.0'

INSTALL OPTIC LIGHT

(COORDINATE WITH CONTRACTING OFFICER)

ROCK

SOCKET (TYP)

M I N

PROVIDE SAFETY CLIMB SYSTEM

0 2' 4' 8'

SCALE:

"=1'-0"

TOWER SOUTH ELEVATION

A2

PROVIDE PIPE 6 XX-STRG

BRACING (TYP)

PROVIDE FIBERGLASS

DECK GRATING

MHHW EL 10.28'

MLLW EL 0.00'

MHW EL 9.84'

MLW EL 0.35'

TOP OF DECK EL 15.89'±

PROVIDE STEEL LADDER

PIPE 6 XX-STRG

SUPPORT BRACE

0 2' 4' 8'

SCALE:

"=1'-0"

TOWER WEST ELEVATION

A5

10'-0"

PROVIDE STEEL HANDRAIL (TYP)

E1

S-502

PROVIDE PIPE 6 XX-STRG

BRACING (TYP)

PROVIDE FIBERGLASS

DECK GRATING

PROVIDE STEEL LADDER

PIPE 6 XX-STRG

SUPPORT BRACE

PROVIDE STEEL HANDRAIL (TYP)

E1

S-502

REINSTALL STEEL TRUSS TOWER

REINSTALL TRUSS TOWER LADDER

C7

S-202D

0 2' 4' 6'

SCALE:

"=1'-0"

TOWER DECK FRAMING PLAN

C7

A7

S-202D

0 2' 4' 6'

SCALE:

"=1'-0"

TOWER PILE PLAN

A7

PROVIDE PIPE PILE (TYP)

PROVIDE W6x25 (TYP)

PROVIDE C6X13 (TYP)

C

W

A N

G L E

S

PROVIDE ∠2x2x

(TYP)

PROVIDE PIPE

6 XX-STRG BRACING

5/16

(TYP)

NOTES:

1. PROVIDE SPACER BETWEEN

CHANNEL AND GRATE OR

FOOT PAD AS NEEDED TO

SECURELY WELD.

PROVIDE FIBERGLASS DECK (ONLY

PORTION SHOWN FOR CLARITY)

T

O W

C

T I O

N S

TOP OF PILE EL 15.35'±

LADDER BRACE EL 4.0'±

BOTTOM OF LADDER EL 2.0'±

B

E A

M P

I L E

B

E A

M P

I L E

BEAM/PILE

BEAM/PILE

PROVIDE

STEEL LADDER

PROVIDE

STEEL LADDER

PROVIDE DAVIT

INSTALL OPTIC LIGHT

(COORDINATE WITH CONTRACTING OFFICER)

BEDROCK EL. (VARIES,

SEE NOTE 4)

TOP OF ANODE EL. -6.0'

PROVIDE PP16x0.500 (TYP)

PROVIDE STEEL LADDER

PROVIDE PP16x0.500 (TYP)

PROVIDE STEEL LADDER

C1

S-502

C1

S-502

A6

S-501

ROCK

SOCKET (TYP)

A6

S-501

No 53396

CIVIL

RIDEN

KIRK F.

R

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E

D

C O

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A

L

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A

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S

A

C

H

U

S

E

T T

S

P

R

O

F

E

S

S

I

O

G

I

N

E

E

R

03/25/2022

REINSTALL DAYBOARDS (2 EXISTING/2 NEW)

(COORDINATE CONNECTION OF DAYBOARD ON

LADDER SIDE OF TOWER WITH CONTRACTING

OFFICER, SEE NOTE 5)

REINSTALL DAYBOARDS (2 EXISTING/2 NEW)

(COORDINATE CONNECTION OF DAYBOARD ON

LADDER SIDE OF TOWER WITH CONTRACTING

OFFICER, SEE NOTE 5)

PROVIDE SACRIFICIAL

ANODES (4, TYP)

A8

S-501

PROVIDE PIPE PILE AND CAP PLATE (TYP)

5/16

(3 SIDES, TYP)

NOTES:

1. FOR TRUSS TOWER, SAFETY CLIMB LADDER, DAVIT, AND OTHER TOWER

APPURTENANCES SEE SHEETS R-701, R-702, R-703, AND R-704 OF THIS DRAWING

SET.

2. VERIFY POSITION OF EXISTING OPTIC LIGHT (COORDINATES AND ORIENTATION)

WITH A PRE-CONSTRUCTION SURVEY. REINSTALL OPTIC LIGHT IN ITS EXISTING

LOCATION; VERIFY WITH POST-CONSTRUCTION SURVEY.

3. THE DESIGN INTENT IS FOR THE PLATFORM TO BE FIELD WELDED TO THE PILE

CAP PLATES AND THE PILE CAP PLATES FIELD WELDED TO THE PILES. TOWER TO

PLATFORM CONNECTION IS TO BE BOLTED.

4. BEDROCK ELEVATION VARIES. ASSUME 100 FOOT LONG PILES FOR BIDDING

PURPOSES.

5. DAYBOARDS TO BE PROVIDED BY THE GOVERNMENT.

S I G

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U.S. COAST GUARD

CIVIL ENGINEERING

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

LADDER CONNECTION AT BOTTOM BRACE

A3

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

LADDER CONNECTION AT PLATFORM

A1

BASE BID

1'-6"

" SCH 80

LADDER RAIL

(TYP)

2" SCH 80 LADDER

SUPPORT (TYP)

(TYP)

STEEL BEAM

" SCH 80

LADDER RAIL

(TYP)

2" SCH 80 LADDER

SUPPORT (TYP)

1'-6"

BOTTOM HORIZONTAL

BRACE

1" DIA SOLID

STEEL LADDER

RUNG

1" DIA SOLID

STEEL LADDER

RUNG

(TYP)

0 1' 2' 3'

SCALE:

"=1'-0"

LADDER SECTION

C3

0 1' 2' 3'

SCALE:

"=1'-0"

LADDER WALK THROUGH DETAIL

C1

LADDER

PLATFORM

1'-6"

2'-6"

T

Y P

1'-3 1/2"

LADDER

PLATFORM

" SCH 80

LADDER RAIL

(TYP)

C3

S-501

C1

S-501

SAFETY CLIMB SYSTEM

0 1' 2' 4'

SCALE:

"=1'-0"

SACRIFICIAL ANODE DETAIL

A8

PILE

FLAT BAR 2-

" x

ANODE 54" x 7" x 7" OR

EQUIVALENT SURFACE

AREA AND WEIGHT

5/16

(TYP)

0 1' 2' 4'

SCALE:

"=1'-0"

ROCK SOCKET DETAIL

A6

FRACTURED BEDROCK

(ASSUME TOP 2 FEET)

BATTER PIPE PILE

APPROXIMATE

BEDROCK

20" DIA ROCK SOCKET

GROUT FILLED ANNULAR SPACE

M

B

E D

M E

U

D

R O

C K

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

PILE CAP PLATE CONNECTION

C8

16" Ø PIPE PILE

PILE CAP PLATE

" TH. x 18" Ø

No 53396

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S-502

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P L E

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L L C

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H I R

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U.S. COAST GUARD

CIVIL ENGINEERING

0 3" 6" 9"

SCALE: 3"=1'-0"

GRATING CONNECTION

C1

BASE BID

STEEL BEAM

" FIBERGLASS GRATING WITH

STEEL CONNECTIONS. BOLT

CONNECTIONS THROUGH

CHANNELS IN ACCORDANCE WITH

MANUFACTURER'S

RECOMMENDATIONS.

0 3" 6" 9"

SCALE: 3"=1'-0"

GRATING CONNECTION

C1

STEEL BEAM

CROSS BRACING

CHANNEL

SPACERS BETWEEN

CHANNEL AND GRATING

1/4

(TYP)

PRE-WELDED STUD PRIOR

TO COATING OF STRUCTURE

No 53396

CIVIL

RIDEN

KIRK F.

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03/25/2022

"Ø SCH 80 POST

FIBERGLASS GRATING

"Ø STEEL BOLT

x4 KICK PLATE

"Ø SCH 80 POST

" WEEP HOLE

0 3" 6" 9"

SCALE: 3"=1'-0"

HANDRAIL CONNECTION

E4

STEEL BEAM

1-

"Ø SCH80 RAILING

1-

"Ø SCH80

POST

6'-0" MAX POST SPACING

CONNECT HANDRAIL TO

STEEL BEAM IN

ACCORDANCE WITH

HANDRAIL MANUFACTURER

0 1/2' 1' 2'

SCALE: 1"=1'-0"

HANDRAIL DETAIL

E1

STEEL BEAM

0 2' 4' 8'

SCALE: "=1'-0"

LIGHT LIST

NUMBER 12185

NAME AND LOCATION

COHASSET CHANNEL LIGHT

POSITION

42-15-05.497N

070-47-00.665W

LIGHT CHARACTERISTIC Fl R2.5s

HEIGHT ABOVE MEAN HIGH

WATER TO FOCAL PLANE

(FEET)

NOMINAL RANGE OF

LIGHTED ATON (KM)

N/A

STRUCTURAL

CHARACTERISTIC

SG ON TRIPOD

ACCESS WATER

D E

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N E

D

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SHEET ID

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E X

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I O

N

COHASSET

CHANNEL

LIGHT 8

S-201E

P

P S

E

D

W G

C I V

I L

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N G

I N

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R I N

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N

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V I D

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P O

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M

P S

H I R

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U.S. COAST GUARD

CIVIL ENGINEERING

A2

S-201E

8'-6"±

(TYP)

EXISTING STEEL

HANDRAIL (TYP)

(REMOVE)

EXISTING 3"X8"

TIMBER DECK (TYP)

(REMOVE)

EXISTING DAYBOARD (TYP)

(REMOVE)

(3 TOTAL)

EXISTING OPTIC LIGHT

(REMOVE AND SALVAGE)

LOOKING SOUTH

SCALE: NTS

E6

LOOKING SOUTHEAST

SCALE: NTS

C6

PLATFORM LOOKING NORTH

SCALE: NTS

A6

BASE BID

E6

S-201E

C6

S-201E

EXISTING LADDER

(REMOVE)

0 2' 4' 8'

SCALE:

"=1'-0"

EXISTING TOWER NORTH ELEVATION

A2

MHHW EL. 9.81'

MLLW EL. 0.00'

EXISTING OPTIC LIGHT

EXISTING STEEL

HANDRAIL (TYP)

(REMOVE)

EXISTING 12" DIA.

TIMBER PILE (TYP)

(REMOVE)

(5 TOTAL)

(REMOVE AND SALVAGE)

MHW EL. 9.37'

FOCAL HEIGHT EL. 38.37'

EL. 29.0' (MHW)

EXISTING DAYBOARD (TYP)

(REMOVE)

(3 TOTAL)

EXISTING

6"x12" TIMBER

BRACING (TYP)

(REMOVE)

EXISTING 3"x8" TIMBER

PLATFORM (TYP)

(REMOVE)

EXISTING 3"X6" TIMBER

CROSS BRACING (TYP)

(REMOVE)

A6

S-201E

STATION ID: 8444162

BOSTON LIGHT, MA

FEET

HIGHEST OBSERVED WATER (02/21/2004)

11.79

MEAN HIGHER HIGH WATER 9.81

MEAN HIGH WATER 9.37

MEAN SEA LEVEL 4.91

MEAN TIDE LEVEL 4.85

MEAN LOW WATER 0.32

MEAN LOWER LOW WATER 0.00

LOWEST OBSERVED WATER (02/12/2001)

-2.85

1. REMOVE EXISTING LIGHT TIMBER FOUNDATION (PILES, BRACING, BEAMS) AND UP

TO 5 ABANDONED TIMBER PILES IN THEIR ENTIRETY.

2. THE TIMBER PILES, BRACING AND BEAMS ARE ASSUMED TO CONTAIN CREOSOTE.

ALL MATERIALS THAT ARE ASSUMED TO BE CONTAMINATED MUST BE PROPERLY

DISPOSED OF AT AN OFF SITE DISPOSAL FACILITY IN ACCORDANCE WITH LOCAL,

STATE, AND FEDERAL REQUIREMENTS, UNLESS PROPER MATERIAL TESTING IS

COMPLETED TO DETERMINE OTHERWISE.

3. FOLLOW FEDERAL AND STATE PERMIT REQUIREMENTS FOR PILE REMOVAL AND

DRIVING.

4. THESE DRAWINGS ARE DIAGRAMMATIC AND MAY NOT DEPICT ALL COMPONENTS

OF THE EXISTING STRUCTURE.

5. THE EXISTING OSPREY NEST MUST BE REMOVED BETWEEN THE MONTHS OF

SEPTEMBER AND FEBRUARY. IF THE ATON REPLACEMENT IS NOT CARRIED OUT

BETWEEN THESE MONTHS, TEMPORARY EXCLUSION MEASURES MUST BE

INSTALLED TO PREVENT NESTING FROM OCCURRING PRIOR TO CONSTRUCTION.

MLW EL. 0.32'

TOP OF DECK EL. 27.06'±

APPROXIMATE

MUDLINE EL. - 8.0'

No 53396

CIVIL

RIDEN

KIRK F.

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03/25/2022

EXISTING OSPREY NEST

(REMOVE AND SALVAGE, SEE NOTE 5)

E

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SHEET ID

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COHASSET

CHANNEL

LIGHT 8

S-202E

P

P S

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C I V

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T J D

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A P

P L E

D O

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L L C

P O

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M

P S

H I R

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O

W N

U.S. COAST GUARD

CIVIL ENGINEERING

BASE BID

0 2' 4' 8'

SCALE:

"=1'-0"

TOWER ELEVATION

A2

6"x12" COMPOSITE LUMBER

WALE ( TYP)

COMPOSITE LUMBER

BLOCKING (TYP)

" BOLT W/

O.G. WASHER (TYP)

TIMBER MARINE

BATTER PILE (TYP)

6"x12" COMPOSITE LUMBER

WALE ( TYP)

" BOLT W/

O.G. WASHER (TYP)

MHHW EL 9.81'

MLLW EL 0.00'

REINSTALL OPTIC LIGHT

PROVIDE

STEEL HANDRAIL (TYP)

MHW EL 9.37'

FOCAL HEIGHT EL 38.37'

EL 29.0' (MHW)

INSTALL DAYBOARDS (4 NEW)

(COORDINATE WITH

CONTRACTING OFFICER,

SEE NOTE 4)

PROVIDE UPPER

COMPOSITE LUMBER

BRACING

MLW EL 0.32'

TOP OF DECK EL 18.13'±

C6

S-202E

A6

S-202E

0 2' 4' 6'

SCALE:

"=1'-0"

LOWER BRACING

A6

0 2' 4' 6'

SCALE:

"=1'-0"

UPPER BRACING

C6

1. VERIFY POSITION OF EXISTING OPTIC LIGHT (COORDINATES AND ORIENTATION)

WITH A PRE-CONSTRUCTION SURVEY. REINSTALL OPTIC LIGHT IN ITS EXISTING

LOCATION; VERIFY WITH POST-CONSTRUCTION SURVEY.

2. TIMBER ELEMENTS INCLUDE DECKING, PLATFORM FRAMING, CAPS, CAP BLOCKS,

DIAGONAL BRACING AND PILES.

3. COMPOSITE LUMBER INCLUDES THE WALES AND BLOCKS OF THE UPPER AND

LOWER BRACING.

4. DAYBOARDS TO BE PROVIDED BY THE GOVERNMENT.

5. IF FEASIBLE, RELOCATE THE EXISTING OSPREY NEST INTACT ONTO THE NEW

RAPTOR PLATFORM. IF NOT FEASIBLE, STICKS FROM THE EXISTING NEST

SHOULD BE ROUGHLY ARRANGED ON THE NEW RAPTOR PLATFORM IN THE

SHAPE OF A NEST.

0 2' 4' 6'

SCALE:

"=1'-0"

PLATFORM FRAMING

F4

PROVIDE 12"Ø

TIMBER MARINE PILE (TYP)

PROVIDE LOWER

COMPOSITE LUMBER

BRACING

PROVIDE 3''x8" TIMBER

PLATFORM AND DECKING (TYP)

PROVIDE 3"x6" TIMBER

BRACING (TYP)

PROVIDE 6"x12"

TIMBER CAP

TIMBER MARINE

BATTER PILE (TYP)

TIMBER MARINE

PLUMB PILE

TIMBER MARINE

PLUMB PILE

0 2' 4' 8'

SCALE:

"=1'-0"

TOWER ELEVATION

A4

PROVIDE UPPER

COMPOSITE LUMBER

BRACING

A6

S-202E

PROVIDE 12"Ø

TIMBER MARINE PILE (TYP)

PROVIDE LOWER

COMPOSITE LUMBER

BRACING

PROVIDE

6"x12" TIMBER CAP

PROVIDE

COMPOSITE

LADDER

PROVIDE COMPOSITE

LADDER

INSTALL DAYBOARDS (4 NEW)

(COORDINATE WITH CONTRACTING OFFICER,

SEE NOTE 4)

REINSTALL OPTIC LIGHT

PROVIDE 4"x8" TIMBER STRINGER (TYP)

PROVIDE 6"x12" TIMBER

CAP (BELOW, TYP)

PROVIDE 3"x8" TIMBER PLATFORM

FRAMING AND DECKING (NOT

SHOWN FOR CLARITY)

PROVIDE TIMBER CAP

BLOCK (BELOW, TYP)

PROVIDE STEEL HANDRAIL (TYP)

6 WRAP OF 1"Ø GALVANIZED

CABLE STAPLED TO EACH PILE

AT EVERY TURN. TURN ENDS

BACK AND DOUBLE STAPLE.

PILE TO BE IN CONTACT AND

CABLE TIGHT BEFORE

STAPLING AT TOP.

F4

S-202E

0 1' 2' 4'

SCALE:

"=1'-0"

TYPICAL

PILE WRAP DETAIL

RAPTOR PLATFOR EL 24'±

PROVIDE RAPTOR PLATFORM

AND RELOCATE OSPREY NEST

(TYP, SEE NOTE 5)

C6

S-501E

C6

S-202E

No 53396

CIVIL

RIDEN

KIRK F.

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03/25/2022

APPROX

MUDLINE EL-8.0'

1'-0"± 1'-0"±

REINSTALL OPTIC LIGHT

RAPTOR PLATFORM POST

PROVIDE RAPTOR PLATFORM

AND RELOCATE OSPREY NEST

(TYP, SEE NOTE 5)

C6

S-501E

INSTALL DAYBOARDS (4 NEW)

(COORDINATE WITH

CONTRACTING OFFICER,

SEE NOTE 4)

PROVIDE 3"x8" TIMBER

PLATFORM AND DECKING (TYP)

S I G

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COHASSET

CHANNEL

LIGHT 8

S-501E

P

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U.S. COAST GUARD

CIVIL ENGINEERING

BASE BID

TIMBER FRAMING

"Ø SCH 80 POST

"Ø STEEL

BOLT (TYP)

"Ø SCH 80 POST

L3x3x

(TYP)

TIMBER FRAMING

"Ø STEEL

BOLT (TYP)

" DIA SCH 80

POST (TYP)

" DIA SCH 80 RAIL (TYP)

DAYBOARD SUPPORT STEEL

PLATE 4" X

" (TYP)

3/16

(TYP)

3/16

0 1/2' 1' 2'

SCALE: 1"=1'-0"

HANDRAIL ELEVATION

E1

0 3" 6" 9"

SCALE: 3"=1'-0"

HANDRAIL CONNECTION

E4

0 3" 6" 9"

SCALE: 3"=1'-0"

HANDRAIL CONNECTION

E6

E6

S-502

E4

S-502

6'-0" MAX POST SPACING

TIMBER FRAMING

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

LADDER CONNECTION AT BOTTOM BRACE

A3

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

LADDER CONNECTION AT PLATFORM

A1

1'-6"

" SCH 80

LADDER RAIL

(TYP)

2" SCH 80 LADDER

SUPPORT (TYP)

TIMBER FRAMING

M I N

" SCH 80

LADDER RAIL

(TYP)

2" SCH 80 LADDER

SUPPORT (TYP)

1'-6"

1" DIA SOLID

LADDER RUNG

1" DIA SOLID

LADDER RUNG

0 1' 2' 3'

SCALE:

"=1'-0"

LADDER SECTION

C3

0 1' 2' 3'

SCALE:

"=1'-0"

LADDER WALK THROUGH DETAIL

C1

LADDER

TIMBER DECKING

1'-6"

2'-6"

T

Y P

1'-3 1/2"

LADDER

TIMBER DECKING

" SCH 80

LADDER RAIL

(TYP)

C3

S-501

C1

S-501

SAFETY CLIMB SYSTEM

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

RAPTOR PLATFORM ELEVATION

A6

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

RAPTOR PLATFORM PLAN

C6

3'-0"

FIBERGLASS

GRATING

L6x3 x

(TYP)

L3x3x

(TYP)

HSS 6x6x

3'-0"

HSS 6x6x

L6x3 x

(TYP)

L3x3x

(TYP)

1/4

1/4

(TYP)

1/4

(TYP)

A6

S-501E

TIMBER FRAMINGTIMBER FRAMING

UPPER/LOWER

COMPOSITE BRACING

"Ø STEEL

BOLT (TYP)

No 53396

CIVIL

RIDEN

KIRK F.

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03/25/2022

0 1 1/2'1/2' 1'

SCALE: 1

"=1'-0"

RAPTOR PLATFORM POST DETAIL

A8

PLAN

ELEVATION

PLATFORM FRAMING

PLATFORM FRAMING

POST

POST

2"

" ∠5X5x

(2 TOTAL)

"Ø STEEL

BOLT (6 TOTAL)

∠5X5x

(2 TOTAL)

"Ø STEEL

BOLT (6 TOTAL)

A8

S-501E

0 2' 4' 6'

SCALE:

"=1'-0"

EXISTING TOWER WEST ELEVATION

A2

0' 2' 4' 6'

SCALE: "=1'-0"

1. PLATFORM STEEL DECKING MISSING.

NOTES:

DEMOLITION NOTES:

1. FOLLOW FEDERAL AND STATE PERMIT REQUIREMENTS FOR RECOATING OF

STEEL ELEMENTS. PROVIDE MEASURES TO COLLECT AND DISPOSE OF ALL

REMOVED COATING AND CLEANING MEDIUM.

2. ALL COATING IS ASSUMED TO BE HOT-DIP GALVANIZED AND MUST BE PROPERLY

DISPOSED OF AT AN OFF SITE DISPOSAL FACILITY IN ACCORDANCE WITH LOCAL,

STATE, AND FEDERAL REQUIREMENTS, UNLESS PROPER MATERIAL TESTING IS

COMPLETED TO DETERMINE OTHERWISE.

3. THESE DRAWINGS ARE DIAGRAMMATIC AND MAY NOT DEPICT ALL COMPONENTS

OF THE EXISTING STRUCTURE.

4. SEE REFERENCE DRAWING SHEETS R-706 AND R-707 FOR ADDITIONAL

INFORMATION OF EXISTING MEMBERS.

LIGHT LIST

NUMBER 9990

NAME AND LOCATION WHALEBACK DAYBEACON 8

POSITION

42-32-54.760N

070-47-04.641W

LIGHT CHARACTERISTIC N/A

HEIGHT ABOVE MEAN HIGH

WATER TO FOCAL PLANE

(FEET)

UNK

NOMINAL RANGE OF

LIGHTED ATON (KM)

N/A

STRUCTURAL

CHARACTERISTIC

SG ON MONOPILE

ACCESS WATER

STATION ID: 8442645

SALEM HARBOR, SALEM, MA

FEET

HIGHEST OBSERVED WATER N/A

MEAN HIGHER HIGH WATER 9.70

MEAN HIGH WATER 9.26

MEAN SEA LEVEL 4.85

MEAN TIDE LEVEL 4.80

MEAN LOW WATER 0.33

MEAN LOWER LOW WATER 0.00

LOWEST OBSERVED WATER N/A

D E

S I G

N E

D

B

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D E

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R I P

T I O

N

M A

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2 3 4 5 6 7 8 9 10

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CIVIL ENGINEERING

A2

S-201F

MHHW EL. 9.70'

MLLW EL. 0.00'

EXISTING STEEL HANDRAIL (TYP)

(REMOVE)

EXISTING 18" DIA.

STEEL PIPE PILE

LOOKING WEST

SCALE: NTS

E6

LOOKING EAST

SCALE: NTS

C6

PLATFORM LOOKING NORTHEAST

SCALE: NTS

A6

MHW EL. 9.26'

BID OPTION #1

A6

S-201F

C6

S-201H

E6

S-201F

6'-0"±

(TYP)

EXISTING DAYBOARD

BRACKET (TYP)

(REMOVE AND SALVAGE)

(3 TOTAL)

EXISTING STEEL FRAMING

(REMOVE)

EXISTING TURNBUCKLE (TYP)

(REMOVE AND SALVAGE, 4 TOTAL)

EXISTING STEEL LADDER

EXISTING DAYBOARD (TYP)

(REMOVE AND SALVAGE)

(3 TOTAL)

EXISTING TURNBUCKLES (TYP)

(REMOVE AND SALVAGE)

MLW EL. 0.33'

TOP OF PLATFORM 20.52'±

APPROXIMATE BEDROCK EL. -5.0'

EXISTING ROCK SOCKET

No 53396

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CIVIL ENGINEERING

BID OPTION #1

0 2' 4' 6'

SCALE:

"=1'-0"

TOWER ELEVATION

A2

A2

S-202F

PROVIDE STEEL HANDRAIL

EXISTING 18" DIA.

STEEL PIPE PILE

6'-0"±

(TYP)

INSTALL DAYBOARD BRACKETS

PROVIDE STEEL FRAMING

REINSTALL TURNBUCKLES (TYP)

EXISTING STEEL LADDER

(PROVIDE 5'± LADDER

SECTION AT TOP OF PILE)

REINSTALL 3 EXISTING DAYBOARDS, INSTALL 1 NEW DAYBOARD

(COORDINATE WITH CONTRACTING OFFICER, SEE NOTE 2)

REINSTALL TURNBUCKLES (TYP)

PROVIDE STEEL GRATING

0' 2' 4' 6'

SCALE: "=1'-0"

MHHW EL. 9.70'

MLLW EL. 0.00'

MHW EL. 9.26'

MLW EL. 0.33'

TOP OF PLATFORM 20.52'±

EXISTING ROCK SOCKET

APPROXIMATE BEDROCK EL. -5.0'

EXISTING STEEL LADDER

(PROVIDE 5'± LADDER

SECTION AT TOP OF PILE)

F4

S-202F

0 1/2' 1' 2'

SCALE: 1"=1'-0"

FLANGE BOLT DETAIL

F4

EXISTING LADDER

EXISTING BOLT (TYP)

PROVIDE BOLT

(1 TOTAL)

EXISTING STEEL PILE

EXISTING SLIP ON FLANGE

1. REFER TO DETAILS ON SHEETS R-706 AND R-707 UNLESS NOTED OTHERWISE.

2. DAYBOARDS TO BE PROVIDED BY THE GOVERNMENT.

No 53396

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1. PLATFORM STEEL DECKING PARTIALLY MISSING.

NOTES:

DEMOLITION NOTES:

LIGHT LIST

NUMBER 10405

NAME AND LOCATION BRIMBLES DAYBEACON

POSITION

42-31-16.576N

070-48-28.608W

LIGHT CHARACTERISTIC N/A

HEIGHT ABOVE MEAN HIGH

WATER TO FOCAL PLANE

(FEET)

NOMINAL RANGE OF

LIGHTED ATON (KM)

N/A

STRUCTURAL

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SCALE: NTS

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LOOKING NORTHEAST

SCALE: NTS

C6

PLATFORM LOOKING NORTHWEST

SCALE: NTS

A6

BID OPTION #2

A6

S-201G

C6

S-201G

A2

S-201G

E6

S-201G

STATION ID: 8442645

SALEM HARBOR, SALEM, MA

FEET

HIGHEST OBSERVED WATER N/A

MEAN HIGHER HIGH WATER 9.70

MEAN HIGH WATER 9.26

MEAN SEA LEVEL 4.85

MEAN TIDE LEVEL 4.80

MEAN LOW WATER 0.33

MEAN LOWER LOW WATER 0.00

LOWEST OBSERVED WATER N/A

MHHW EL. 9.70'

MLLW EL. 0.00'

EXISTING STEEL HANDRAIL (TYP)

EXISTING 18" DIA.

STEEL PIPE PILE

MHW EL. 9.26'

6'-0"±

(TYP)

EXISTING DAYBOARD

BRACKET (TYP)

EXISTING STEEL FRAMING

EXISTING TURNBUCKLES (TYP)

EXISTING STEEL LADDER

CONNECTION PLATES (TYP)

EXISTING DAYBOARD (TYP)

(3 TOTAL)

EXISTING TURNBUCKLES (TYP)

MLW EL. 0.33'

0' 2' 4' 6'

SCALE: "=1'-0"

EXISTING STEEL

GRATING (TYP)

TOP OF PLATFORM 22.52'±

APPROXIMATE BEDROCK EL. 0.00'

EXISTING ROCK SOCKET

1. FOLLOW FEDERAL AND STATE PERMIT REQUIREMENTS FOR RECOATING OF

STEEL ELEMENTS. PROVIDE MEASURES TO COLLECT AND DISPOSE OF ALL

REMOVED COATING AND CLEANING MEDIUM.

2. ALL COATING IS ASSUMED TO BE HOT-DIP GALVANIZED AND MUST BE PROPERLY

DISPOSED OF AT AN OFF SITE DISPOSAL FACILITY IN ACCORDANCE WITH LOCAL,

STATE, AND FEDERAL REQUIREMENTS, UNLESS PROPER MATERIAL TESTING IS

COMPLETED TO DETERMINE OTHERWISE.

3. THESE DRAWINGS ARE DIAGRAMMATIC AND MAY NOT DEPICT ALL COMPONENTS

OF THE EXISTING STRUCTURE.

4. SEE REFERENCE DRAWING SHEETS R-706 AND R-707 FOR ADDITIONAL

INFORMATION OF EXISTING MEMBERS.

No 53396

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CONNECTION PLATES PRIOR TO INSTALLATION OF NEW LADDER .

2. REFER TO DETAILS ON SHEETS R-706 AND R-707 UNLESS NOTED OTHERWISE.

3. DAYBOARDS TO BE PROVIDED BY THE GOVERNMENT.

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0 2' 4' 6'

SCALE:

"=1'-0"

TOWER ELEVATION

A2

0' 2' 4' 6'

SCALE: "=1'-0"

A2

S-202G

EXISTING 18" DIA.

STEEL PIPE PILE

6'-0"±

(TYP)

INSTALL 2 NEW DAYBOARDS

(COORDINATE WITH CONTRACTING OFFICER, SEE NOTE 3)

EXISTING STEEL GRATING

PROVIDE STEEL LADDER

PROVIDE STEEL GRATING

EXISTING STEEL HANDRAIL (TYP)

EXISTING TURNBUCKLES (TYP)

EXISTING DAYBOARD BRACKET (TYP)

EXISTING STEEL FRAMING

EXISTING STEEL LADDER

CONNECTION PLATES (TYP)

(SEE NOTE 1)

EXISTING ROCK SOCKET

MHHW EL. 9.70'

MLLW EL. 0.00'

MHW EL. 9.26'

MLW EL. 0.33'

TOP OF PLATFORM 22.52'±

PROVIDE STEEL LADDER

EXISTING TURNBUCKLES (TYP)

APPROXIMATE BEDROCK EL. 0.00'

No 53396

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EXISTING TOWER WEST ELEVATION

A2

DEMOLITION NOTES:

LIGHT LIST

NUMBER 10395

NAME AND LOCATION SATAN ROCK DAYBEACON 6

POSITION

42-30-36.898N

070-48-01.536W

LIGHT CHARACTERISTIC N/A

HEIGHT ABOVE MEAN HIGH

WATER TO FOCAL PLANE

(FEET)

UNK

NOMINAL RANGE OF

LIGHTED ATON (KM)

N/A

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CIVIL ENGINEERING

LOOKING NORTHWEST

SCALE: NTS

E6

PLATFORM LOOKING NORTHWEST

SCALE: NTS

C6

LADDER LOOKING WEST

SCALE: NTS

A6

BID OPTION #3

A2

S-201H

C6

S-201H

A6

S-201H

E6

S-201H

STATION ID: 8442645

SALEM HARBOR, SALEM, MA

FEET

HIGHEST OBSERVED WATER N/A

MEAN HIGHER HIGH WATER 9.70

MEAN HIGH WATER 9.26

MEAN SEA LEVEL 4.85

MEAN TIDE LEVEL 4.80

MEAN LOW WATER 0.33

MEAN LOWER LOW WATER 0.00

LOWEST OBSERVED WATER N/A

0' 2' 4' 6'

SCALE: "=1'-0"

EXISTING STEEL HANDRAIL (TYP)

EXISTING 18" DIA.

STEEL PIPE PILE

6'-0"±

(TYP)

EXISTING TURNBUCKLES (TYP)

EXISTING STEEL LADDER

EXISTING DAYBOARD (TYP)

(4 TOTAL)

EXISTING LADDER

EXISTING TURNBUCKLES (TYP)

MHHW EL. 9.70'

MLLW EL. 0.00'

MHW EL. 9.26'

MLW EL. 0.33'

TOP OF PLATFORM 24.52'±

APPROXIMATE BEDROCK EL. 2.0'

EXISTING ROCK SOCKET

EXISTING DAYBOARD

BRACKET (TYP)

EXISTING STEEL FRAMING

EXISTING STEEL

GRATING (TYP)

1. FOLLOW FEDERAL AND STATE PERMIT REQUIREMENTS FOR RECOATING OF

STEEL ELEMENTS. PROVIDE MEASURES TO COLLECT AND DISPOSE OF ALL

REMOVED…