0712_B_MTF ENLISTED BERTHING DECKING RENEWAL (VR21-0062).doc

USNS Comfort

( TAH 20 )

1. ABSTRACT

1.1. This item describes the requirements for the contractor to accomplish PRC decking renewal in various locations.

2. REFERENCES/ENCLOSURES

2.1. References: None

2.2. Enclosures: None

3. ITEM LOCATION/DESCRIPTION

3.1. Location/Quantity

3.1.1. Location:

3.1.1.1. 2-61-3 Crew Berthing and Dressing (2730 sqft)

3.1.1.2. 2-61-4 Crew Berthing and Dressing (2730 sqft)

3.1.1.3. 2-65-0 Passageway (330 sqft)

3.1.1.4. 2-68-0 Lounge (705 sqft)

3.1.1.5. 2-68-1 Writing Room (322 sqft)

3.1.1.6. 3-61-3 Crew Berthing and Dressing (2730 sqft)

3.1.1.7. 3-61-4 Crew Berthing and Dressing (2730 sqft)

3.1.1.8. 3-65-0 Passageway (330 sqft)

3.1.1.9. 3-68-0 Lounge (705 sqft)

3.1.1.10. 3-68-1 Writing Room (322 sqft)

3.1.1.11. 4-61-3 Crew Berthing and Dressing (2730 sqft)

3.1.1.12. 4-61-4 Crew Berthing and Dressing (2730 sqft)

3.1.1.13. 4-65-0 Passageway (330 sqft)

3.1.1.14. 4-68-0 Lounge (705 sqft)

3.1.1.15. 4-68-1 Writing Room (322 sqft)

3.1.2. Quantity: Approximately (20500) total square feet (SF) of deck

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

4. GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES: None

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.

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.

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, Available onboard). 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 unstage, make all disassemblies and subsequent reassemblies, 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).

7.1.1.1. Restoration shall include complete replacement to the vinyl cove base in space listed in Para 3.1.

7.1.2. Provide and install temporary exhaust and supply dehumidified (DH) ventilation to each space listed in 3.1 to/from the weather deck to remove dust and fumes and provide dry air supply to accelerate the hard cure of the new PRC deck coating.

7.1.2.1. Secure the temporary ducting in the overhead to prevent tripping hazard. Remove the temporary ventilation when all work is complete.

7.2. PRC deck complete renewal:

7.2.1. Remove and dispose of the areas of deck and underlayment identified in Para. 3.1.

7.2.2. Accomplish the requirements of SSPC-SP3 to mechanically scale, clean and solvent wipe all areas of exposed steel deck, adjoining bulkheads in way of the deck and underlayment removed.

7.2.2.1. CHECKPOINT: Prior to applying the paint system the MSCREP paint rep shall inspect and approve the deck surface preparation.

7.2.3. Provide and apply a paint system compatible with the underlayment to the exposed steel surfaces in accordance with the manufacturer’s instructions.

7.2.4. Install new deck underlayment compatible with PRC deck covering to the areas where the original deck was removed to restore the surface to a smooth, level and continuous deck form.

7.2.4.1. CHECKPOINT: Prior to applying the underlayment system the MSCREP paint rep shall inspect and approve the deck is acceptable for the installation of underlayment.

7.3. PRC coating application

7.3.1. Accomplish the requirements of SSPC-SP3 to mechanically abrade, clean and solvent wipe all areas of existing deck surfaces (approximately 20500 SF) to prepare the surface for the installation of new PRC decking covering.

7.3.2. Provide and install new PRC decking coating system approved for Marine Use in the spaces listed in 3.1 (approximately 20500 SF). The new PRC decking shall be applied with flakes and color similar to existing.

7.3.3. Apply a minimum of three (3) coats of sealers to the PRC deck surface. Sealer shall have an even gloss and be free of botches/bubbles.

7.3.4. The PRC deck coating system shall extend above the existing edges up 4” on all vertical surfaces to seal the seam between the deck covering and the bulkhead.

7.3.5. The new system shall be free of defects and imperfections.

7.3.6. Wipe down, detergent wash and clean the entire space; all bulkheads, overhead, light fixtures, bookshelves, office equipment and furnishings to remove all dust and dirt and debris.

7.4. Preparation of Drawings/Documentation: None.

7.5. Inspection/Test:

7.5.1. Carry out a final acceptance inspection of the deck with MSCREP for air bubbles and imperfections in the new PRC Deck. Sand out, recolor and reseal as required to provide a professionally installed continuous PRC deck coating.

7.6. Painting:

7.6.1. Mechanically clean, prime and paint all new and disturbed surfaces to match surrounding areas.

7.7. Marking:

7.7.1. Install nameplates, notices, cable tags, and markings for all new and modified systems.

8. GENERAL REQUIREMENTS: None.

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