Attachment 4 FredsCreekAnchorDrawing.pdf
PDF 300 KB Posted
- Attached to
- SRD Buoy Inspection and Maintenance
- Solicitation number
- 1240BF26Q0003
- Issued by
-
Department of Agriculture Forest Service
About this file
This is a technical drawing attachment for the 2025 SRD Buoy Maintenance project managed by the United States Department of Agriculture Forest Service, Alaska Region, Tongass National Forest, Sitka Ranger District. The drawing details modifications to an existing anchor system at Fred's Creek, specifically the addition of padeye angles and associated hardware for buoy mooring systems.
The work scope includes removing and disposing of all existing chain from buoy to padeyes, including bridal chain. New materials and components required include welding a 2½" x 2½" x ¼" steel angle to existing padeyes with a ½" diameter hole for anode attachment, installing anodes at each padeye, one 1-5/8" galvanized shackle, 1-1/2" galvanized open link chain for bridal (with each leg consisting of 5 chain links), and 1-1/2" galvanized stud link chain to the buoy. All shackle pins must be secured with stainless steel wire. The drawing notes indicate that all shackles, chain, and small angles are new components, while all other features are existing-to-remain unless otherwise noted. The anchor casting is presumed to be cast iron, though the exact casting specification is unknown. The drawing was prepared by M. Mullin (designer and checker) and L. Wild (drawn), dated March 13, 2025.
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Text version
PADEYE ANGLE ADDITION - PLAN VIEW
TYPICAL OF 2
FOR CLARITY, HARDWARE NOT SHOWN
PLAN VIEW
ELEVATION VIEW
2' (APPROX.)
TO BUOY
TO BUOY
ANCHOR
ANCHOR
SEE PADEYE ANGLE
ADDITION DETAIL FOR
DETAILS
DRAWN
DESIGNER
STAMPS, LOGOS, AND SEALS
PROJECT NAME
DRAWING TITLE
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DRAWING SHEET NO.
DATENO.
REVISION / ISSUE
OFSHEET
United States Department of Agriculture Forest Service
3/1 3/2
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ALASKA REGION
2025 SRD BUOY
MAINTENANCE
TONGASS NATIONAL
FOREST
SITKA RANGER DISTRICT
ATTACHMENT 3 - FRED'S
CREEK ANCHOR
03/13/2025
M. MULLIN
L. WILD
M. MULLIN
S-01 1 1
DEMOLITION NOTES
REMOVE AND DISPOSE OF ALL CHAIN FROM BUOY TO PADEYES, INCLUDING BRIDAL CHAIN.
KEYNOTES
1. WELD A 2 1/2" X 2 1/2" X 1/4" STEEL ANGLE TO EXISTING PADEYES. PROVIDE 1/2" DIAMETER HOLE IN VERTICAL
LEG OF ANGLE FOR ANODE ATTACHMENT. INSTALL ANODE AT EACH PADEYE AS DESCRIBED IN BASE ITEM IV
DESCRIPTION.
2. 1-5/8" GALVANIZED SHACKLE.
3. 1-1/2" GALVANIZED OPEN LINK CHAIN, FOR BRIDAL.
4. 1-1/2" GALVANIZED STUD LINK CHAIN, TO BUOY.
5. BRIDAL CHAIN LENGTH (EACH LEG): 5 CHAIN LINKS.
GENERAL NOTES
1. ALL SHACKLES, CHAIN, AND SMALL ANGLES SHOWN ON THE DRAWING ARE NEW. ALL OTHER FEATURES ARE
EXISTING-TO-REMAIN, UNLESS NOTED OTHERWISE.
2. SECURE ALL SHACKLE PINS WITH STAINLESS STEEL WIRE.
3. CASTING OF ANCHOR IS UNKNOWN, BUT PRESUMED TO BE CAST IRON.
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