0401_A_NGW_Upgrade_Support_rev_11-4-2012.doc

USNS GRASP

( T-ARS 51 )

COMMUNICATION AND NAVIGATION

SPEC. NO. N40442-12-R-4006

ITEM NO. 0401

CATEGORY "A"

10/9/2012 NGW Upgrade Support

Hulick

1.0 ABSTRACT:

This item describes crane, rigging support services required during the NGW installation. This includes the removal of the Bandwidth Efficient Satellite Transport (BEST) equipment and the installation of the Next Generation Wideband (NGW) equipment for the T-ARS GRASP 51 class vessels.

2.0 REFERENCES/ENCLOSURES:

2.1 References:

2.1.1 MSC Drawing No. 401-8392391, NGW Topside Arrangement Modifications Incidental

2.1.2 NAVSEA Drawing number 5762872 General arrangement of antennas

2.1.3 EE130-DK-MMC-010 Saturn BM Technical Manual

2.1.4 IEE-45, Electrical Practices

2.1.5 MSFSC Standard Item 008, Topsides Painting

2.1.6 NGW Ku Band SEATEL Antenna Product Sheet

2.1.7 NGW L Band Sailor 500 Antenna Product Sheet

2.1.8 USNS GRASP Antenna Layout Picture

3.0 ITEM LOCATION/DESCRIPTION/QUANTITY:

3.1 Location/Quantity:

3.1.1 Communication Center 01-49-2-0

3.1.2 Weather Deck 05 level, Frame 47, Centerline, atop

Signal Bridge.

3.1.3 Main Mast, Frame 53.

4.0 GOVERNMENT FURNISHEDEQUIPMENT/MATERIAL/SERVICES:

4.2 ABS Services

4.3 Government Contractor (MAETS)

4.4 Paint

5.0 NOTES:

5.1 Location is a US Navy Communications space which has the capability to handle classified material including Communications Security (COMSEC) equipment on a Need to Know Basis. If there is a requirement or a condition when classified message processing or any other classified procedures will occur, all work will stop until the area can be sanitized. This decision will be the sole responsibility of the Captain or his designated Communications Department representative.

5.2 All welding must be in accordance with certified ABS Procedures.

5.3 Government furnished contractor will be pulling and installing the wire for the installation.

5.4 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 including but not limited to GTR’s 1 through 7 and 25.

5.5 The contractor shall provide ABS Grade “A” Steel as contractor Furnished Material.

5.6 No Paint shall be given to the contractor for application without the consent of the MSCREP.

6.0 QUALITY ASSURANCE REQUIREMENTS:

6.1 None additional.

7.0 STATEMENT OF WORK REQUIRED:

7.1 Arrangements/Outfitting:

7.1.1 Provide the labor, material and services for scaffolding the Main Mast per OSHA requirements.

7.1.2 Provide crane, rigging services, and labor for the removal and installation of two BEST – NERA B antennas, relocation of one TV/DTS antenna and installation of 1 TV-DTS antenna listed on picture provided above and scrap cables pulled by Government Furnished Contractors. Maximum weight to be lifted is approx. 250 LBS.

7.1.3 Provide material and labor to prepare and crate removed NERA B Antennas QTY (2) for shipping using ref 2.1.3.

7.2 Structural:

7.2.1 Provide a condition survey of existing stack studs, cable hangers; kick pipes/stuffing tubes and existing Antenna foundations.

7.2.2 Provide the material, labor and welding for the replacement of damaged stack studs, cable hangers, kick pipes and stuffing tubes. For bidding purposes, assume that there are 30 stack studs, 30 cable hangers, 5 kick pipes and 5 stuffing tubes to be replaced. Any additional items will be addressed via RFP. (All topside studs and cable hangers shall be CRES 316 Stainless steel material)

7.2.3 Modify the existing antenna foundation on the Main Mast to accommodate the new SEATEL Antenna.

7.2.4 Provide gas free services and furnish gas free certification, "safe for entry and safe for hot work”.

7.2.5 Install the required cables between the new NGW Transceiver and the SeaTel Antenna. All cables should use existing deck penetrations whenever possible. If necessary install new stainless steel penetrations.

7.2.6 Proper Fire Watches shall be maintained at all times during “Hot Work.

7.2.7 The ABS Surveyor will witness initial “fit-up” of the steel plate before any welding commences, the initial “root pass” of the weld, the Final Production welds and a NDT for each production weld as required

7.2.8 Contractor shall provide all labor and material to relocate the existing DTS antenna and it’s cabling to the after foundation on the mast. This includes the removal and replacement of one additional antenna on the main mast.

a) Mechanically and electrically remove the antenna on the top of the mast.

b) Remove antenna on after side of mast.

c) Remount antenna on after side of mast with all new self locking hardware.

d) Re-route cabling and shorten cables as required, remaking all connectors. Suppport cabling in accordance with IEEE requirements.

e) Connect cabling and test unit with the assistance of Ship’s Force.

7.3 Mechanical/Fluids: None

7.4 Electrical: None

7.5 Electronics: None additional.

7.6 Preparation of Drawings/Documentation: None

7.7 Inspection/Test:

7.8 Painting:

7.8.1 Prepare, prime and paint all new and disturbed surfaces to match the adjacent areas.

7.8.2 Prepare, prime and paint the mast and yardarm structures in their entirety in accordance with MSFSC Standard Work Item 008.

a) Prepare all surfaces to SSPC-SP3 standards.

b) Paint with 2 coats of amercoat 240, 5-6 mils DFT and one topcoat of amershield, 3-4 mils DFT.

7.9 Marking: None additional.

7.10 Manufacturer’s Representative: None.

8.0 GENERAL REQUIREMENTS:

8.1 None additional.

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