PWS CIRCUIT BREAKER SERVICE AND REPAIR (REV A).docx

USS EMORY S LAND

(AS-39)

1. ABSTRACT

1.1. This item describes the requirements for the contractor to provide a OEM certified technical representative to carry out inspection and servicing of circuit breakers.

2. REFERENCES/ENCLOSURES

2.1. References:

2.1.1. NAVSEA Technical Manual SE681-AA-MMO-A10, Switchboard: Ships Service, 1S, 1SAS, 2S, 2SAS, 1E and Control Unit

3. ITEM LOCATION/DESCRIPTION

3.1. Item Description/Manufacturer’s Data:

3.1.1 (43 ea.) Gould 400 Amp Circuit Breaker, Part # AQBLF400

3.1.2 (6 ea.) SPD Tecnologies 4000 Amp Circuit Breaker, Part# ACB-4000HR

3.1.3 (2 ea.) SPD Technologies 1600 Amp Circuit Breaker, Part # ACB-1600HR

4. GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES:

5. 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 GTRs including but not limited to GTRs 1-7, 22, 23, 28, and 29. GTRs can be obtained from the following URL: http://www.msc.navy.mil/instructions/pdf/m470016.pdf

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 0001.

5.3. CIRCUIT BREAKERS ARE CURRENTLY LOCATED AT THE MSC W-143 WAREHOUSE IN NORFOLK VA. ONCE THE CONTRACT HAS BEEN AWARDED, THE GOVERNMENT WILL SHIP THEM TO THE CONTRACTOR’S REPAIR FACILITY. ONCE THE REPAIRS ARE COMPLETE THE GOVERNMENT WILL ARRANGE FOR SHIPMENT OF THE CIRCUIT BREAKERS FROM THE CONTRACTOR’S FACILITY TO THE MSC W-143 WAREHOUSE IN NORFOLK VIRGINIA.

6. QUALITY ASSURANCE REQUIREMENTS

6.1. In addition to the contractor’s duties under 29CFR1910.147 or similar local safety regulation, the contractor shall comply with all requirements of equipment lock-out/tag-out (LOTO) program as established by MSC SMS procedure 2.1-004-ALL Lock-out/Tag-out. The Chief Engineer shall administer the program. Prior to the start of work, the contractor shall contact the MSCREP and / or the Chief Engineer to coordinate the implementation of the LOTO program for the entire performance period of this item. The prime contractor shall be responsible for compliance by both prime and subcontractor personnel.

7. STATEMENT OF WORK

7.1. Arrangements/Outfitting:

7.1.1. Provide all material and special equipment. Make all removals and restorations. Remove and replace all interferences, rig and unrig, stage and un-stage, make all disassembles and subsequent reassembles, provide and operate equipment, and supply all services and assistance to accomplish the following work. (Material, unless specifically stated as Government Furnished Material (GFM) shall be supplied by the contractor).

7.1.2. When repairs are complete, separately package each Circuit Breaker for long-term storage. The shipping containers shall meet the requirements for overseas shipment.

7.1.3. Fabricate and install a label on each side and top of each shipping container:

MSC AS CLASS VESSEL SHORE BASE SPARES

REQUISITION #: N23914_________

(1 ea.) Circuit Breaker, Gould Part # _______________ WEIGHT: ____ lbs.

CUBE: __" X __" X __"

7.1.4. Once the Circuit Breakers are ready for shipment, notify the MSCREP with the following information:

Weight of each Item to be shipped Cube of each Item to be shipped Pickup Address Point of Contact Hours of Operation

7.2. Electrical:

7.2.1. Disassemble, clean and inspect the Circuit Breakers listed in 3.1.1 using Reference 2.1 for guidance.

7.2.2. Perform the following on each breaker:

7.2.2.1. Remove all arc chutes and check line side terminals, and moving contacts for pitting.

7.2.2.2. Remove all barriers.

7.2.2.3. Remove all front covers, clean and inspect breakers and face plates.

7.2.2.4. Clean breakers and all closing linkages, check for wear, damages.

7.2.2.5. Remove oxidation from main contacts and moving contacts.

7.2.2.6. Lubricate/grease breakers.

7.2.2.7. Exercise Breakers.

7.2.2.8. Inspect and make all necessary adjustments according to manufactures specification.

7.2.2.9. Micro Ohms test on breakers according to manufacturer’s specification with 100 AMP Micro Ohms test set.

7.2.2.10. Check Differential IAW manufacturer’s specifications.

7.2.2.11. Check deflections IAW manufacturer’s specifications.

7.2.2.12. Check contact pressure and make all necessary adjustments IAW manufacturer’s specifications using manufacturer’s test equipment.

7.2.2.13. Test electronic overload protection relays IAW manufacturer’s specifications.

7.2.2.14. Test all electrical operated breakers electrically on bench.

7.2.2.15. Check breaker case for damage.

7.2.2.16. Check all contacts for damage and pitting.

7.2.2.17. Check all under voltage assemblies. (If Applicable)

7.2.2.18. Check all closing coils.

7.2.2.19. Check all trip coils.

7.2.2.20. Remove all T bar bus from line and load terminals and remove all grease.

7.2.2.21. Remove all primary disconnects and remove all grease.

7.2.2.22. Check secondary contacts for damages.

7.2.2.23. Any required repairs shall be the subject of a change order.

7.3. Preparation of Drawings/Documentation:

7.3.1. Provide condition reports for each breaker where repairs are found to be required.

7.3.2. Provide final individual reports for each circuit breaker detailing conditions found, any repairs performed, and documentation of final testing results.

7.4. Inspection/Test:

7.4.1. On completion of testing and reinstallation, carry out an operational test of each circuit breaker to prove operation under normal load conditions.

7.5. Painting:

7.5.1. Mechanically clean, prime and paint all new and disturbed surfaces to match surrounding areas. Preservation shall be in accordance with the manufacturer’s product data sheets for the coating utilized.

7.6. Marking:

7.6.1. Install name plates, notices, cable tags, and markings for all new and modified systems.

7.7. Manufacturer’s Representative:

7.7.1. Provide the services of a qualified technical representative to carry out the maintenance of the circuit breakers.

7.7.2. The equipment addressed in this work item is categorized as critical equipment in accordance with MSC policy on the classification of critical shipboard systems and equipment. Only original equipment manufacturer (OEM) authorized technical field service representatives and OEM parts shall be used to accomplish the requirements of this work item for this critical equipment including oversight and guidance on all aspects of equipment as-found condition inspection, removal, disassembly, reassembly, repairs, modifications, reinstallation and testing as applicable. The technical representative shall attend dock and sea trials.

7.7.3. An OEM authorized technical field service representative is defined as either a direct employee of the OEM, or an employee of a secondary company which has a current written agreement with the OEM to provide service and repair for that equipment. The OEM authorized technical field service representative shall have full access to the OEM drawings, technical service bulletins, special tools and OEM replacement parts.

8. GENERAL REQUIREMENTS: NONE

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