Eagle Strain Gauge WI

USCGC EAGLE (WIX-295) DRYDOCK AVAILABILITY FY2027

24300_0723_BMG_295

WORK ITEM 10: Propulsion Shafting, Strain Gage Alignment, Drydock, Check

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to perform strain gage alignment inspections prior to vessel dry-docking, during dry-docking, and after refloating. 1.2 Government-furnished property.
None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 327 WIX 4301-013, Rev A, Propulsion Shaft Machining Details Coast Guard Drawing 327 WIX 4301-014, Rev A, Propulsion System Arrangement Drawing Coast Guard Drawing 327 WIX 4302-002, Rev -, Stern Tube and Bearing Coast Guard Drawing 327 WIX 4400-005, Rev -, Propeller Drawing

COAST GUARD PUBLICATIONS

Coast Guard Technical Publication (TP) 11026, SWBS 835, Propulsion System Replacement – Book of Calculations, May 2017
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

OTHER REFERENCES

None.

3. REQUIREMENTS

3.1 General.
3.1.1 CIR.
None.

(Rev-0)

USCGC EAGLE (WIX-295) DRYDOCK AVAILABILITY FY2027

3.1.2 Tech Rep. The Contractor must provide the services of a Qualified Tech Rep who is familiar with the shaft alignment by strain gauge method to accomplish the following on site: 
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Advise on manufacturer's proprietary information pertinent to the system. Assist with proper alignment, clearances, and repair methods for the propulsion shaft system. Ensure compliance with manufacturer's procedures and standards during all phases of inspection.

3.1.2.1 Ensure the Tech Rep has experience with the system/equipment stated above and demonstrated on their résumé.
3.1.2.2 Submit the name and résumé of the Tech Rep to the COR at the Arrival Conference. 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, (Interferences). Known interferences include, but are not limited to the below:  Mechanical seal
 Bulkhead seal
3.2 Definitions and standard units. For the purposes of this specification and any reports generated, the following definitions apply.
3.2.1 Optimal alignment. “Optimal alignment” is defined as a state of shaft alignment (though all phases of bearing wear down) where:
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Bearing loads are within a satisfactory range