0510_A_REBUILD FIREPUMP REV A.docx

USNS SPEARHEAD

(JHSV1)

REBUILD FIREPUMP REV A

1.0 ABSTRACT:

1.1 This item describes rebuild of one firepump No 3 and motor.

2.0 REFERENCES:

2.1 T/M S6226-2B-MMC-010 Centrifugal Pump Model 6X4X13

2.2 MSC Standard Item No. 31: Motor Driven Pump Overhauls

2.3 MSC Standard Item No. 19: Motor and Ventilation Fan Repairs

3.0 ITEM LOCATION/DESCRIPTION:

3.1 Location: Engine Room No 1 (5-52-1)

3.2 Description:

3.2.1 One (1) each: Firepump, MFG: Carver, 6X4X13.

3.2.2 One (1) each: Baldor Electric Co. Motor, Model 808007-10, 440V AC, 200 HP, 3575 RPM, Frame 447JP

4.0 GOVERNMENT FURNISHED EQUIPMENT/ MATERIAL / SERVICE: None

5.0 NOTES:

5.1 The contractor and all subcontractors, regardless of tier must consult the General Technical Requirements (GTR) to determine applicability to this work item. In performance of this work item, the contractor and all subcontractors regardless of tier must comply with the requirements of all applicable GTR’s.

5.2 The contractor and all subcontractors, regardless of tier are advised to review other work items under this contract to determine their effect on the work required under this work item. Many of the definitions relating to performance of this work item are found in Work Item 001.

6.0 QUALITY ASSURANCE REQUIREMENTS:

6.1 All material shall be certified by ABS.

7.0 STATEMENT OF WORK REQUIRED:

7.1 Contractor shall provide all staging, rigging, interference and access removals to remove equipment listed in section 3.0

7.2 Tag out, electrically and mechanically disconnect firepump and motor. All piping shall be hard-blanked upon removal of pump.

7.3 Using references 2.1 as guidance, perform requriemetns of reference 2.2 on item 3.2.1 and the requiremetns of 2.3 on item 3.2.2. Renew all bearings, seals and gaskets with contractor furnished OEM materials.

7.4 Perform balancing, alignement and operational test inspections of all equipment in the precense of MSCREP and ABS.

7.5 Reinstall all equipment using new contractor furnished gaskets and hardware.

7.6 Renew all disturbed lagging.

7.7 Prime and paint all new and disturbed surfaces to match exisitng.

7.8 Perform operational test of firemain upon completion of work.

8.0 General Requirements: NONE

0510-2