CGC Stratton SOW Shaft Alignment 26042.pdf
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- Solicitation number
- 70Z08526Q0026058
About this file
This is a Statement of Work for shaft alignment and bearing reaction services on the USCGC Stratton, a United States Coast Guard vessel.
The contractor must measure and report vertical and horizontal loads on two bull gear bearings, two intermediate bearings, stern bearings, and strut bearings using the strain gauge method. Work will be performed from November 1, 2026 through January 1, 2027 at USCGC Stratton, 42 Eagle Road Coast Guard Island, Alameda, California 94501. The contractor shall install five full bridge strain gauge sets on the port shaft and five on the starboard shaft to complete bearing load calculations, and also measure vertical loads on each line shaft bearing using the hydraulic jack/load cell method. The contractor must provide all specialty tools and calibrated instrumentation necessary for installation and measurement. Within 15 days of work completion, the contractor shall deliver a final written report containing an introduction and references, project description, alignment calculations, alignment tests with strain gauges, conclusions, recommendations for future action, data sheets on the shaft model with specifications, and computer-generated data sheets showing deflections, stresses, bearing reactions, and slopes. Reference documents include five Coast Guard drawings related to propulsion shafting systems and bearing reaction reports. Contractors must be registered in the Joint Certification Program through the Defense Logistics Agency to obtain distributed references. Questions should be directed to LTJG Maximos Brady at maximos.h.brady@uscg.mil.
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Statement of Work
CGC Stratton
Shaft Alignment and Bearing Reaction Check
Intent: contractor must measure and report to USCG the Vertical and Horizontal Loads on the (2) bull gear bearings and (2) intermediate bearings, stern and strut bearings, using the Strain Gage Method.
Period of Performance: 01 November 2026 – 01 January 2027
Location: USCGC Stratton, 42 Eagle Road Coast Guard Island, Alameda CA 94501
Contractor will install a total of (5) full bridge strain gage sets on the Port shaft, and (5) strain gage sets on the Starboard shaft, to complete the bearing load calculations.
Contractor will also measure and report the vertical load on each line shaft bearing using the Hydraulic Jack/Load Cell method.
Contractor will provide all specialty tools and calibrated instrumentation necessary to install the strain gages and measure the strain gage data.
Contractor shall provide a final written report within 15 days after completion of the work covered by this scope of work. The report shall contain at a minimum the following:
• Introduction and References
• Project description
• Alignment calculations
• Alignment tests with strain gages
• Conclusions
• Recommendation for future action
• Data sheets on shaft model used to obtain reported results e.g. stations, strain gauge locations, diameters, lengths, load points, etc.
• Data sheets from Computer runs that computed reported results e.g. stations, deflections, stresses, bearing reactions, slopes, etc.
References: Coast Guard Drawings
• Coast Guard Drawing 750 WMSL 114-001, Rev B, Fairwaters and Rope Guard Installation Details & L/M (ASC114001)
• Coast Guard Drawing 750 WMSL 243-007, Rev E, Propulsion Shafting System Arrangement (ASC243008)
• Coast Guard Drawing 750 WMSL 243-008, Rev -, Propulsion Shafting and Appendage (ASC243001B)
• Coast Guard Drawing 750 WMSL 244-001, Rev -, Propulsion Shafting System Measured Bearing Reaction Report (ASC244001)
• Coast Guard Drawing 750 WMSL 244-002, Rev B, Stern Tube Seal & Strut Bearings Arrangement & Details & L/M (ASC244002)
• Coast Guard Drawing 750 WMSL 244-003, Rev -, Propulsion Shafting System Measured Bearing Reaction Report (AS2244001
Notes: For any references to be distributed, the contractor must be registered in the Joint Certification Program (JCP) through Defense Logistics Agency (DLA) and provide your JCP number to the listed point of contact for this work.
For questions regarding this statement of work, contact LTJG Maximos Brady maximos.h.brady@uscg.mil
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