11.17__WI_308.3_Replace_Power_Panel_and_Undersized_Feed_Cables_94728046.pdf

USS FRANK CABLE

(AS-40)

ELECTRICAL 10 November 2015 ITEM NO. 308. 3 Category “A” TMMG/GRILLS/DNG

REPLACE POWER PANEL, FEED CABLES AND CIRCUIT BREAKER TRIP

ELEMENT (SPECIAL CONTROL SPACES) (ABS)

308. 3-1

1. 0 ABSTRACT

This item describes the requirements to remove existing and install new Power Panel 1-97-2; Feed Cables 1S-4P-(2-1402) , 1S-

4P-(2-72-2) , 2S-4P-(1-97-2) , 1E-4P-(1-97-2) and 2S-4P-(1-116-

2) (1) ; and 1E Switchboard Circuit 1E-4EP-(1-97-2) Circuit

Breaker Trip Element.

2. 0 REFERENCES

2. 1 MSC Drawing 803-7081122, General Technical Requirements

(GTRs)

2. 2 MSC Drawing 320-8496023, Rip Out & Replacement of

Undersized PP Feed Cables & Breakers

2. 3 OPNAVINST N9210. 3, Safeguarding of Naval Nuclear

Propulsion Information (NNPI) (NOFORN) – SEE PPE FOR REFERENCE.

2. 4 NAVSEA Drawing 302-5907216, Methods of Penetrating

Shielded BHDS & Decks and Non-Shielded A. T. BHDS for Electrical

Cables in Nuclear Support Facilities (NOFORN) – SEE PPE FOR

REFERENCE.

2. 5 IEEE Standard 45, Recommended Practice for Electric

Installations on Shipboard

2. 6 MIL-DTL-16036L, Switchboard, Power, Low Voltage, Naval

Shipboard

3. 0 ITEM LOCATION/DESCRIPTION

3. 1 Location/Quantity:

3. 1. 1 Location

a. 1S Ship Service Switchboard, Engine Room 5-

110-0-E

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ELECTRICAL 10 November 2015 ITEM NO. 308. 3 Category “A” TMMG/GRILLS/DNG

REPLACE POWER PANEL, FEED CABLES AND CIRCUIT BREAKER TRIP

ELEMENT (SPECIAL CONTROL SPACES) (ABS)

308. 3-2

b. 2S Ship Service Switchboard, Engine Room 5-

110-0-E

c. 1E Emergency Switchboard, 2-51-0-E

d. 2 A/C Package Units Power Panel 2-14-2, Passage 2-14-0-L

e. Lighting Load Center 2-72-2, Passage 2-62-

0-L

f. Deck Handling Machinery Power Panel 1-97-2, Passage 1-97-2-Q

g. Power Panel 1-116-2, Canvas Shop 1-115-2-Q

3. 1. 2 Quantity: None

3. 2 Item Description/Manufacturer’ s Data

3. 2. 1 Bill of Material

a. See References 2. 2 through 2. 4.

b. Quantities are considered estimates. The contractor shall provide the exact quantities and additional material such as miscellaneous pipe fittings, elbows, caps, valves, pipe hangers, weld material, cable hangers, cable tags, buswork, etc. , which are not included in the List of Materials, in order to install a fully functional system which meets the requirements of this specification.

4. 0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES:

4. 1 Government Furnished Equipment (GFE) : None

4. 2 Government Furnished Material (GFM) : None

4. 3 Government Furnished Services: (GFS) :

4. 3. 1 ABS surveyor onsite services will be provided and funded by MSC under a separate contract.

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ELECTRICAL 10 November 2015 ITEM NO. 308. 3 Category “A” TMMG/GRILLS/DNG

REPLACE POWER PANEL, FEED CABLES AND CIRCUIT BREAKER TRIP

ELEMENT (SPECIAL CONTROL SPACES) (ABS)

308. 3-3

4. 3. 2 Switchboard manufacturer will be provided and funded by MSC under a separate contract.

4. 4 Government Furnished Information (GFI) : 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 GTRs, including but not limited to GTRs 1 through 7, 24, 28 and 29.

5. 2 The contractor and all subcontractors, regardless of tier, are advised to review other work items under this contract, including but not limited to Work Items 308. 1 and 308. 7, 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.

5. 3 The shipyard shall furnish temporary power, lighting, and ventilation to areas affected by work accomplished in this work item, in Work Item 308. 7, Switchboard Support Work Item.

5. 4 Switchboard upgrade personnel accomplishing Work Item

308. 1, Upgrade Switchboards shall be responsible to disconnect/ remove and install/connect all cables and electrical connections internal to the switchboard associated with this Work Item.

5. 5 FOREIGN NATIONALS ARE NOT ALLOWED TO PERFORM THE

REQUIREMENTS OF THIS WORK ITEM. REFERENCE 2. 3 PROHIBITS FOREIGN

NATIONALS FROM GAINING ACCESS TO SPACES AFFECTED BY THE

REQUIREMENTS OF THIS WORK ITEM.

5. 6 THE REFERENCES LISTED IN 2. 3 AND 2. 4 ARE SUBJECT TO

SPECIAL EXPORT CONTROLS AND EACH TRANSMITTAL TO FOREIGN

GOVERNMENTS OR FOREIGN NATIONALS MAY BE ONLY BE MADE WITH PRIOR

APPROVIAL FROM NAVAL SEA SYSTEMS COMMAND.

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ELECTRICAL 10 November 2015 ITEM NO. 308. 3 Category “A” TMMG/GRILLS/DNG

REPLACE POWER PANEL, FEED CABLES AND CIRCUIT BREAKER TRIP

ELEMENT (SPECIAL CONTROL SPACES) (ABS)

308. 3-4

5. 7 THE RADIATION CONTROL OFFICER (RCO) SHALL BE NOTIFIED

PRIOR TO THE START OF THE REQUIREMENTS OF THIS WORK ITEM. THE

RADIATION CONTROL OFFICER SHALL MONITOR THE REQUIREMENTS OF THIS

WORK ITEM WHERE THE CONTRACTOR IS REQUIRED TO INTERFACE WITH THE

NUCLEAR SUPPORT FACILITY (NSF) BOUNDARIES.

5. 8 THE NSF SPACES SHALL BE SURVEYED BY THE RADIATION

CONTROL OFFICER AND RELEASED TO THE CONTRACTOR WHEN CLEARED TO

AFFECT ELECTRICAL SYSTEM REPLACEMENTS.

5. 9 AN APPROVED WORK AUTHORIZATION FORM (WAF) SHALL BE

POSTED IN ALL APPLICABLE WORK AREAS PRIOR TO COMMENCING WORK.

6. 0 QUALITY ASSURANCE REQUIREMENTS

6. 1 All work shall be performed to the satisfaction of the onsite MSC representative (MSCREP) , ABS Surveyor, Port Engineer, and ship’ s Chief Engineer.

7. 0 STATEMENT OF WORK REQUIRED

7. 1 Arrangements/Outfitting:

7. 1. 1 Remove all interference items necessary to accomplish the requirements of this Work Item. Mark, protect and properly store all interference items removed. Reinstall interference items and prove them operational when the requirements of this Work Item are complete.

7. 2 Structural:

7. 2. 1 Removals

a. Remove existing cable bulkhead and deck penetrations associated with Power Panel feed cables 1S-4P-(2-14-

2) , 1S-4P-(2-72-2) , 2S-4P-(1-97-2) , 1E-4P-(1-97-2) and 2S-4P-(1-

116-2) using Reference 2. 2 as guidance.

7. 2. 2 Installations

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ELECTRICAL 10 November 2015 ITEM NO. 308. 3 Category “A” TMMG/GRILLS/DNG

REPLACE POWER PANEL, FEED CABLES AND CIRCUIT BREAKER TRIP

ELEMENT (SPECIAL CONTROL SPACES) (ABS)

308. 3-5

a. Provide all material and install cable bulkhead and deck penetrations associated with Power Panel feed cables 1S-

4P-(2-14-2) , 1S-4P-(2-72-2) , 2S-4P-(1-97-2) , 1E-4P-(1-97-2) and

2S-4P-(1-116-2) using Reference 2. 2 and reference 2. 4 (where applicable) as guidance.

7. 3 Mechanical/Fluids: None additional

7. 4 Electrical

7. 4. 1 Accomplish all work required under this work item using Reference 2. 5 as guidance.

7. 4. 2 Removals

a. Remove Deck Handling Machinery Power Panel

1-97-2, located in Passage 1-97-2-Q, using Reference 2. 2 as guidance.

7. 4. 2. a. 1 Mark and retain all disconnected load cables for reinstallation.

b. Remove Power Panel feed cables 1S-4P-(2-14-

2) , 1S-4P-(2-72-2) , 2S-4P-(1-97-2) , 1E-4P-(1-97-2) and 2S-4P-(1-

116-2) using Reference 2. 2 as guidance. Remove all designated cables in their entirety. Coordinate with the switchboard manufacturer identified in Government Furnished Services, 4. 3. 2, for disconnection and removal of feed cables internal to the 1S and 2S, switchboards. Contractor shall be responsible for all other disconnections and removals required by this Work Item.

c. Remove existing Circuit 1E-4EP-(1-97-2)

Circuit Breaker Trip Element in 1E Switchboard using Reference

2. 2 as guidance. Retain the circuit breaker for reuse. Note:

Feed breakers for circuits 1S-4P-(2-14-2) , 1S-4P-(2-72-2) , 2S-4P-

(1-97-2) and 2S-4P-(1-116-2) are replaced by Work Item 308. 1, Switchboard Upgrade.

d. Dispose of all removed material as directed by the MSCREP.

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ELECTRICAL 10 November 2015 ITEM NO. 308. 3 Category “A” TMMG/GRILLS/DNG

REPLACE POWER PANEL, FEED CABLES AND CIRCUIT BREAKER TRIP

ELEMENT (SPECIAL CONTROL SPACES) (ABS)

308. 3-6

7. 4. 3 Installations

a. Install new Deck Handling Machinery Power

Panel 1-97-2 with MIL-DTL-23928/8 Manual Bus Transfer (MBT) panel

(with double NQB-A250 breakers) and new MIL-SPEC load breakers, in Passage 1-97-2-Q, using Reference 2. 2 as guidance.

7. 4. 3. a. 1 Connect existing load cables to

Deck Handling Machinery Power Panel 1-97-2 using Reference 2. 2 as guidance.

b. Install replacement feed cables to designated power panels and switchboards using Reference 2. 2 as guidance. Coordinate with the switchboard manufacturer identified in Government Furnished Services, 4. 3. 2, for installation and termination of feed cables internal to the 1S and 2S switchboards. Contractor shall be responsible for all other installations and terminations required by this Work Item.

c. Install new 150 ampere Trip Element in the retained Circuit 1E-4EP-(1-97-2) Circuit Breaker in 1E

Switchboard using Reference 2. 2 as guidance.

7. 5 Electronics: None additional

7. 6 Preparation of Drawings/Documentation: None additional

7. 7 Inspection/Test

7. 7. 1 Inspections

a. Clean all power panels and switchboards prior to final acceptance. Remove all dirt, dust, foreign objects and fabrication debris upon completion of removals, installations, modifications and repairs. Notify the MSCREP and the Chief Engineer to inspect power panels and switchboards for cleanliness prior to final closeout and before energizing power panels and switchboards.

b. Verify all connections are properly torqued using Section 3. 10 of Reference 2. 6 as guidance.

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ELECTRICAL 10 November 2015 ITEM NO. 308. 3 Category “A” TMMG/GRILLS/DNG

REPLACE POWER PANEL, FEED CABLES AND CIRCUIT BREAKER TRIP

ELEMENT (SPECIAL CONTROL SPACES) (ABS)

308. 3-7

c. Inspect all welds in accordance with the shipyard’ s Quality Assurance Plan. Deliver a copy of a report containing the results of all weld inspections associated with this work item to the MSCREP and the ship’ s Chief Engineer for approval. Where the MSCREP deems necessary, perform

Nondestructive Tests (NDT) at no additional cost to the

Government. MSC reserves the right to reject any welds based on a visual inspection, review of the inspection report, or result of the NDT.

7. 7. 2 Tests

a. Testing of Power Panel Feed cables shall be accomplished in conjunction with Work Item 308. 1, Switchboard

Upgrade.

b. Demonstrate continuity and insulation resistance readings, phase to phase and phase to ground, to the satisfaction of ABS Surveyor and the Chief Engineer.

c. Energize feed circuits.

d. Energize and verify proper operation of all loads connected to affected power panels using Reference 2. 2 as guidance.

e. Accomplish thermographic surveys of all new electrical connections to verify that connections are acceptable.

If any connections are found to be defective, take corrective actions and repeat thermographic surveys to validate repairs.

Continue until all connections are acceptable.

f. Demonstrate proper operation of ABT.

7. 8 Painting

7. 8. 1 Paint all new and modified surfaces to match surrounding surfaces. Touch up all surfaces where paint was damaged in the conduct of work required under this work item to match surrounding surfaces.

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ELECTRICAL 10 November 2015 ITEM NO. 308. 3 Category “A” TMMG/GRILLS/DNG

REPLACE POWER PANEL, FEED CABLES AND CIRCUIT BREAKER TRIP

ELEMENT (SPECIAL CONTROL SPACES) (ABS)

308. 3-8

7. 9 Markings

7. 9. 1 Fabricate and install new name plates, notices, cable tags, labels, and markings for all new or modified areas using Reference 2. 1, GTR No. 29 and as noted on referenced drawings.

7. 10 Manufacturer’ s Representative: None additional

8. 0 GENERAL REQUIREMENTS: None additional

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