SOW FORWARD STBD Anchor Windlass.pdf
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- Solicitation number
- 52000QR250020299
About this file
This Statement of Work (SOW) details the requirements for inspecting and repairing the starboard anchor windlass wildcat clutch mechanism on the CGC FORWARD (WMEC 911). The work includes comprehensive inspection of the clutch mechanism, including verifying full travel of clutch components, checking for binding and excessive play, and performing precise repair procedures such as welding repair of existing spring pin holes, repositioning the bell crank, and drilling new pin holes. The contractor must conduct an operational test post-repairs in the presence of a Coast Guard Inspector and complete touch-up preservation of all new and disturbed surfaces. The period of performance is from 07/15/2025 to 08/31/2025, with work to be performed at 4000 Coast Guard Blvd in Portsmouth, VA. Contractors must follow specific Coast Guard drawings, technical publications, and standard specifications during the repair process, including adherence to welding, preservation, and machinery operational standards.
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Statement of Work: Stbd Anchor Windlass Clutch, Repair
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to inspect and repair the starboard anchor windlass wildcat clutch mechanism.
1.2 Government-furnished property.
None
2. REFERENCES
COAST GUARD DRAWINGS
Coast Guard Drawing 905 WMEC 581-004, Rev D, Anchor Windlass A & D
COAST GUARD PUBLICATIONS
Coast Guard Technical Publication (TP) 2837, Manufacturer's Instruction Book, SWBS Group 581, Section A, Jul 2016, Capstan-Windlass Model X-1836
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements
Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and Allied Processes
Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2022, Auxiliary Machine Systems
Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures
OTHER REFERENCES
None
3. REQUIREMENTS
3.1 General.
3.1.1 CIR.
None
3.1.2 Tech Rep.
Not applicable.
3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).
3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences).
3.2 Inspection. The Contractor must inspect the clutch mechanism and determine repairs necessary, using Coast Guard Drawing 905 WMEC 581-004, TP 2837 and Figure 1 as guidance. Submit a CFR.
WARNING
Ensure wildcat brake is fully engaged, and that anchor chain is secured with chain stoppers.
NOTE
Coast Guard personnel will operate all shipboard machinery and equipment.
3.2.1 Witness an operational test of the clutch and determine the following.
Clutch lever (pc 94) in Figure 1 has full travel, and locking pin can be engaged at both ends of travel.
Sliding clutch (pc 28) has full travel, with no binding.
Entire clutch linkage including lever (pc 94), link (pc 90), bell crank (pc 86) and clutch shaft (pc 69, not shown in Figure 1, see Coast Guard Drawing 905 WMEC 581-004) and associated pins are free of binding and excessive play.
Trunnion ring rotates freely in sliding clutch body.
Shifter shaft forks properly engage the trunnions on the trunnion ring with no excessive play.
3.2.2 Inspect the sliding clutch jaw face for trueness (parallelism) to the shaft axis and to the mating face of the clutch jaw pocket.
3.3 Repair. The Contractor must accomplish the following to reposition and re-pin the bell crank (pc 86) to clutch shaft (pc 69).
3.3.1 If a CR has been approved and released, repair linkage to remove excess play.
3.3.2 Weld repair existing spring pin holes in shaft (pc 69) and the bell crank (pc 86). Weld repair bottom hole of bell crank only. Use the top hole as a pilot for new holes. Welding and inspections must be in accordance with SFLC Std Spec 0740.
3.3.3 Manually lift sliding clutch to fully engaged position, and move shift lever (pc 94) to “clutch engaged” position.
3.3.4 With all play in the linkage taken up, mark position for new bell crank/clutch shaft pin and drill new hole for a new spring pin (pc 85).
3.3.5 Renew pin (pc 85).
FIGURE 1: ANCHOR WINDLASS CLUTCH (EXCERPT FROM 905 WMEC 581-004)
3.4 Operational test, post repairs. After completion of work and in the presence of the Coast Guard Inspector, the Contractor must thoroughly test and demonstrate the equipment listed below to be in satisfactory operating condition. Submit a CFR.
Stbd anchor windlass clutch
3.4.1 Perform wildcat operational test in accordance with SFLC Std Spec 5000, Appendix B, paragraph B2.5.2.
3.5 Touch-up preservation. The Contractor must prepare and coat all new and disturbed surfaces to match existing adjacent surfaces in accordance with SFLC Std Spec 6310, (Touch-ups and minor coating repairs).
4. NOTES
Period of Performance: 07/15/2025-08/31/2025
File details come from the government source that posted it. Updated .