P14105107S-202_Rev1.pdf
PDF 317 KB Posted
- Attached to
- REPAIR AIDS TO NAVIGATION (ATON) SOUTHERN MAINE
- Solicitation number
- 70Z0G124BABCDDW05
About this file
This document appears to be a set of engineering drawings and a related federal contract opportunity for the repair and replacement of 5 Aids to Navigation (ATON) assets in Southern Maine.
The drawings provide detailed specifications for the structural repair and replacement work, including the replacement of dayboards, installation of steel framing and ladders, and modifications to the rock socket monopile foundations. Key details include the quantity and type of dayboards required at each location, as well as the top of pile elevations. The related federal contract opportunity, Solicitation Number 70Z0G124BABCDDW05, seeks a contractor to furnish all labor, material, equipment, transportation, disposal, supervision, and incidental related work necessary to perform this structural repair and replacement work in strict accordance with the provided drawings and specifications. The work is for the U.S. Coast Guard in their District One Area of Operation.
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Text version
DAYBOARD REPAIR SCHEDULE
SITE DAYBOARD QTY. & TYPE TOP OF PILE
ELEVATION (MHW)
MERRICONEAG SOUND APPROACH
DAYBEACON 10 2 RED TRIANGLE 20 FT
BLACKSMITHSHOP LEDGE DAYBEACON 1 3 GREEN SQUARE 20FT
GOAT ISLAND DAYBEACON 8 2 RED TRIANGLE 30 FT
FISHING ROCK DAYBEACON F 2 DIAMOND NB 20 FT
OAKS REEF OUTER ROCK DAYBEACON O 2 DIAMOND NG 20 FT
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U.S. COAST GUARD
CIVIL ENGINEERING
BASE BID0 2' 4' 6'SCALE: 3 8"=1'-0"
TOWER ELEVATION
A2
A2 S-501
6'-0"±
(TYP)
PROVIDE FRP GRATING
PROVIDE DAYBOARD BRACKET (TYP)
PROVIDE STEEL FRAMING (TYP)
PROVIDE TURNBUCKLES (TYP)
PROVIDE STEEL LADDER AND
SAFETY CLIMB SYSTEM
0' 2' 4' 6'SCALE: "=1'-0"3
PLAN
0 2' 4' 6'SCALE: 3 8"=1'-0"
TOWER ELEVATION
A2
PROVIDE/INSTALL DAYBOARD
(SEE DAYBOARD REPAIR SCHEDULE)
PROVIDE STEEL LADDER
PROVIDE STEEL HANDRAIL (TYP)
PROVIDE TURNBUCKLES (TYP)
ROCK SOCKET
MHHW EL. 9.91'
MLLW EL. 0.00'
MHW EL. 9.47'
MLW EL. 0.35'
TOP OF PLATFORM EL. VARIES
(SEE DAYBOARD REPAIR SCHEDULE)
APPROXIMATE BEDROCK EL. 2.0'
'-0
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PROVIDE SAFETY CLIMB SYSTEM
A1 S-501
NOTES:
1. UNLESS OTHERWISE DIRECTED BY THE GOVERNMENT, ORIENT THE MONOPILES
SO THAT THE LADDERS ARE ON THE NORTH SIDE OF THE STRUCTURE.
2. REFER TO SHEETS S-501 AND S-502 FOR DETAILS.
10772
ELWOOD
J
NOAHSTATE OF MA I NE
L I C E N S E D
P RO F E S S I ON A L
E NG I NE E
R
08/18/2022
PROVIDE GALVANIZED 18" x 0.625" ERW PIPE WITH FULLY GROUTED HP10x57 (OR EQUIVALENT).
PIPE SHALL BE ASTM A 252 GRADE 3 MOD (50KSI).
HP SHALL BE ASTM A 572 GRADE 50.
| Sheets and Views |
| S-202 |
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