0622_A_Second Deck Cargo Hold Modifications.doc

USNS MATTHEW PERRY

(T-AKE 9)

OUTFIT, FURNISHINGS and Habitability

RFP NO. N40442-10-R-3012

04 March 2010

ITEM NO. 622

Category "A" MSFSC/ZAEPFEL/BVV/French

SECOND DECK CARGO HOLD MODIFICATIONS (T-ALT 0071)

1.0 ABSTRACT:

This item describes outfitting modifications to the Second Deck Cargo Holds 4, and 6 areas.

2.0

REFERENCE/ ENCLOSURES

2.1 References:

2.1.1 US Joiner Drawing J166, Grating Arrangement and Details

2.1.2 US Joiner Drawing J250-2, Storerooms and Workshops 2nd Deck

2.1.3 NAVSEA Dwg 631-7488891 Rev G, Paint Schedule

2.1.4 NAVSEA Dwg 631-7489177 Rev B, Non-skid Arrangement

2.1.5 MSC dwg 651-8195889 SECOND Deck Cargo Hold Mods

3.0

ITEM LOCATION/DESCRIPTION

3.1 Location:

Cargo Hold No. 4 (2-66-01)

Cargo Hold No. 6 (2-79-0)

4.0

GOVERNMENT FURNISHED MATERIAL/EQUIPMENT/SERVICE:

Type W-19-4

Bearing bars at 1-3/16” O.C Cross Bars at 4” O.C

1X 1/4, 10.1 lbs ft sq 1800 Ft Sq

Cargo Hold

# 4 Overhead Grating GR-130 Aluminum Grating Overhead type IV ACE Industries 179 Manchester, NH 03103 1800 ft sq

Type W-19-4

Bearing bars at 1-3/16” O.C Cross Bars at 4” O.C

1X 1/4, 10.1 lbs ft sq 2600 Ft sq

ACE Industries 179 Manchester, NH 03103 2600 FT sq

ACE Industries 179 Manchester, NH 03103 400 each

5.0

NOTES:

5.1 The contractor an all subcontractors, regardless of tier, must consult the General Technical Requirements 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 and 29.

5.2 This item was written based on shipcheck of the USNS LEWIS AND CLARK (T AKE-1) in Norfolk, VA, Jan/Feb 2007. Verification shall occur before implementation of the work item.

5.3 The Contractor shall be responsible to keep and maintain areas free of oil and water and maintained gas free for hot work and shall offload and dispose of ship generated or contractor generated garbage and debris through the end of testing, or as directed by the MSC Representative.

5.4 NO WELDING SHALL TAKE PLACE ON TOP OF LO OR FUEL TANKS WITH OUT OBTAINING A GAS FREE CERTIFICATE FOR THE TANK FIRST.

6.0 QUALITY ASSURANCE REQUIREMENTS: None additional

7.0

STATEMENT OF WORK REQUIRED

7.1 With assistance from the ships crew, isolate, tag out and secure all affected electrical, piping & HVAC systems.

7.2 Arrangements/Outfitting

7.2.1 Removals:

a.

Remove outfitting (vidmar cabinets, and shelves) from Cargo Holds 4 and 6 as indicated in Reference 2.1.5. Outfitting,(vidmar cabinets and shelves) shall be retained for reinstallation elsewhere in this spec. Grind all removed supports, foundations, etc, flush with surrounding structure. All excess outfitting not relocated shall be turned over to MSCREP.

b.

Deleted.

7.2.2 Modifications/Installations:

a. OVERHEAD GRATING: Install Cargo Hold 4 and 6 overhead grating, (provided as GFM) using Reference 2.1.5 as guidance. Note only grating is provided as GFM. Contractor to provide all structural and mounting foundations and hardware.

b. Reference 2.1.1 shall be used as guidance on overhead grating installation details and requirements. Gratings installation salient characteristics as follows:

· Aluminum construction

· Overhead grating panels – 2134 x 152 mm – Item 44 in Reference 2.1.1.

· Portable battens grating to grating height – 2149 mm – Items 37 and 38 in Reference 2.1.1. 800 required (25 per 100 SF of grating required)

· Mounting clips (steel) detailed in as Item 45 in Reference 2.1.1 Det 9-1A.

· Furring Angles (steel) – Item 48 in Reference 2.1.1.

· Height over finished deck grating to permit double stacking of palletized cargo (approx vert clearance of 9’-0” required)

c. DECK GRATING: Install Cargo Holds 4 and 6 deck grating (provided as GFM) using Reference 2.1.5 as guidance. Note only grating is provided as GFM. Contractor to provide all structural and mounting foundations and hardware.

d. Grating installation to have the following salient characteristics:

· Strength required to support FT operating with 4000 lb pallet load

· Steel or Aluminum construction

· Compatible with portable battens specified in para 7.2.2.b, above

· Removable to allow cleaning underneath

· Maximum weight per panel not to exceed 100 lbs.

· Ramps provided for transition between steel deck and grating for FT operations.

e. CAGE INSTALLATION: Install expanded metal (steel) bulkheads in Cargo Holds 4 and 6, using Reference 2.1.5 as guidance.

f. Install expanded metal doors with lock hasps suitable for padlocking. Fit into overhead and around ducting, piping, cabling, etc, leaving minimal gaps. Template construction installation details of EM bulkhead and supporting structure from existing EM bulkhead installation in COSAL Stores (2-34-0), port side.

g. Relocate overhead lights as required to clear EM bulkhead installations.

h. All materials for cages and structure to support cages, doors and hardware to be provided by contractor.

7.3 Documentation:

7.3.1 Preparation of Drawings:

-Prepare working drawings showing the following minimum:

1) Material list

2) Expanded metal cage typ detail

3) Door details

4) typ detail for structure to connect overhead grating.

5) typ detail for deck grating connections

- Provide final “as-built” drawings to reflect the actual installation configuration(s). All drawings shall be submitted in AutoCad 2000 format. Drawings as a minimum shall include:

a. Arrangement Drawings

b. Joiner Details

7.4 Inspection/Test

7.4.1 Conduct a final walk thru inspection of each space with the MSC Rep, Master & Shipyard Rep to:

· Verify that all requirements of the work item, manufacturer & regulatory bodies have been completed.

· Verify the proper installation and operation of components and gear such as gratings/battens, shelves, cabinets, etc.

· Verify cleanliness.

7.5 Painting

7.5.1 Scale, prime, paint and insulate all new and disturbed surfaces to match the surrounding areas.

7.5.2 Remove non-skid deck coverings in way of new grating installations. Paint these surfaces per para 7.5.3 after foundation installations and prior to grating installations.

7.5.3 Paint decks in way of modifications IAW Reference 2.1.3 and 2.1.4, using NASSCO Paint Codes “CD” and “NT” for all modified Cargo Hold decks. Exact non-skid pattern to be per MSCREP.

7.6 Marking

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

7.7 Manufacturer's Representative:

8.0 GENERAL REQUIREMENTS: None additional.

622-7