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HOMELAND SECURITY, DEPARTMENT OF | US COAST GUARD has floated a tender for CGC Sequoia reduction gear repair. The project location is USA and the tender is closing on 28 Apr 2025. The tender notice number is 70Z085Q250012745, while the TOT Ref Number is 118029124. Bidders can have further information about the Tender and can request the complete Tender document by Registering on the site.
Procurement Summary
Country : USA
Summary : CGC Sequoia reduction gear repair
Deadline : 28 Apr 2025
Other Information
Notice Type : Tender
TOT Ref.No.: 118029124
Document Ref. No. : 70Z085Q250012745
Financier : Self Financed
Purchaser Ownership : Public
Tender Value : Refer Document
Purchaser's Detail
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Description
THIS IS TO BE AWARDED SOLE SOURCE
Reduction Gear Tech Services USCGC Sequoia (WLB-215)
Lube Oil System Investigation
CGC Sequoia experienced a reduction gear casualty pier side resulting in their Generator pinion failing as well as their PTO shaft breaking in multiple places. The purpose of this scope of work is to inspect the lubrication system to identify if it was a causative factor in the failure of the aft PTO bearing and review potential ways to mitigate future failures with enhanced monitoring systems
Background, Problem Statement: Background: USCGC SEQUOIA was conducting pier side light-offs at Port Huron, MI as part of testing following their post-Major Maintenance Availability (MMA) dockside and engine overhauls (BMDE & BSSDG). The cutter was clutched in when the Thruster System power take-off (PTO) shaft sheared at both the bulkhead seal and Vulcan coupling coming from the reduction gear.
SEQUOIA underwent MMA from Jan23 to Sep24. Her only U/W operation since the completion of MMA was the transit to home port. No issues with the subject systems were observed during the extensive MMA sea trials or during the transit to homeport. Since returning home she underwent a routine post-MMA maintenance period aimed at re-baselining equipment not addressed during MMA. Neither the Reduction Gear nor the Thruster Power Generation system the PTO shaft in question connects to were worked on in MMA or in the dockside. However, the bulkhead shaft seal was renewed as part of an MMA work item. Also, IBCTPL conducted a Reduction Gear overhaul on SEQ in 2019.
Problem Statement: Upon initial investigation following the reduction gear failure, it was apparent that the likely causal factor was a seized aft pinion bearing. This was made apparent by discoloration of the aft bearing races. Misalignment does not appear to be the cause of the bearing seizure but rather wear and/or loss of lubrication. It is believed that the s...
Active Contract Opportunity
Notice ID : 70Z085Q250012745
Related Notice
Department/Ind. Agency : HOMELAND SECURITY, DEPARTMENT OF
Sub-tier : US COAST GUARD
Office: SFLC PROCUREMENT BRANCH 2(00085)
General Information
Contract Opportunity Type: Special Notice (Original)
Original Published Date: Apr 21, 2025 01:13 pm EDT
Original Response Date: Apr 28, 2025 08:00 am EDT
Inactive Policy: Manual
Original Inactive Date: Apr 28, 2025
Initiative: None
Classification
Original Set Aside: Total Small Business Set-Aside (FAR 19.5)
Product Service Code: 2090 - MISCELLANEOUS SHIP AND MARINE EQUIPMENT
NAICS Code: 336611 - Ship Building and Repairing
Place of Performance: Port Huron, MI 48060 USA
Documents
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