0101_A_REPLACEMENT_AND_PRESERVATION_OF_HANDRAILS_REV_1.doc

USNS MATTHEW PERRY

(T-AKE 9)

HULL STRUCTURE

N32205-18-R-4254

11 October 2017

ITEM NO. 101

CATEGORY "A"

MSC/N756/DGC

KINGPOST HANDRAIL AND PLATFORM PRESERVATION

1.0 ABSTRACT

1.1 This item describes the replacement and the preservation of handrails and Preservation of the platforms on all King Posts1, 2, 3, 4, 5, 6, and 8 throughout the exterior of the ship.

2.0 REFERENCES/ENCLOSURES

2.1 MSC Drawing No. 802-8498848, General Arrangement.

2.2 NAVSEA Drawing No. 571-6695876 Rev C, UNREP Fuel Kingpost Service Platforms

2.3 IMECO Drawing No. 22024-570-0103-1 Rev J, Solid Cargo Delivery Kingposts Fabrication Details – Station No. 1.

3.0 ITEM LOCATION/DESCRIPTION

3.1 Location/Quantity

3.1.1 Locations: Various.

A. King Post 1, FR 40 STBD Side B. King Post 2, FR 40 Port Side

C. King Post 3, FR 48 STBD Side

D. King Post 4, FR 48 Port Side

E. King Post 5, FR 54 STBD Side

F. King Post 6, FR 54 Port Side

G. King Post 8, FR 73 Port Side

3.1.2 Quantity:

A. 20 Platforms of various sizes and dimensions.

B. Hand Rails per the below table:

3.2 Item Description/Manufacturer’s Data:

3.2.1 Bill of Materials (Contractor Furnished Material (CFM)).

A. 160 LFT 1.25” dia. Stainless Steel Round Stock.

B. 300 LFT 1” dia. Stainless Steel Round Stock.

3.2.2 Quantities are considered estimates. The contractor shall provide exact quantities and additional material such as miscellaneous pipe end fittings, etc.

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES:

4.1 Government Furnished Equipment (GFE): None

4.2 Government Furnished Material (GFM):

4.2.1 AMERCOAT 240 Red Oxide

4.2.2 AMERCOAT 240 Buff

4.2.3 AMERSHIELD 240 Haze Gray

4.2.4 Prep 88

4.3 Government Furnished Services (GFS): 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 GTR’s.

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.

5.3 This ship contains High Voltage (HV) electrical systems. The Contractor and Subcontractors shall obey all posted and verbal instructions regarding safety and exclusion from High Voltage areas. At no time shall a Contractor or Subcontractor approach, work on, or enter a High Voltage area without proper authorization.

5.4 THE T-AKE CLASS ELECTRICAL COLOR CODING DOES NOT FOLLOW CONSISTENT COLOR SCHEME. THE SHIP IS KNOWN TO HAVE CURRENT CARRYING CONDUCTORS COLORED GREEN, BLUE, BLACK AND WHITE. THE CONTRACTOR SHALL ASSUME ALL ELECTRICAL CABLES ARE HOT UNTIL TESTED OTHERWISE. THE CONTRACTOR SHALL TEST ALL ELECTRICAL CABLES TO ENSURE THEY ARE DEAD PRIOR TO WORK ON THE ITEM.

6.0 QUALITY ASSURANCE REQUIREMENTS:

6.1 All work performed is to be IAW ABS and USCG rules.

7.0 STATEMENT OF WORK REQUIRED:

7.1 Develop a work plan for the replacement of handrails and platform preservation so not to impact other works and the safe operation of the ship and crew accessibility.

7.2 Prepare deck protection so as not to damage deck in work areas from burn and rust from slag material and scaffolding, if necessary.

7.3 Replace all hand rails that are identified in 3.1.2.

7.4 All new handrails shall be welded to the existing vertical supports as original handrails.

7.5 Upon completion of the handrail installation, the Port Engineer shall inspect and approve all welds prior to painting.

7.6 Mechanically clean and preserve SSPC SP 11 all Kingpost platforms with material identified in 3.2.

7.6.1 All platform substructures will be cleaned to SSPC-SP-11 standards.

A. Call out MSCREP for surface preparation prior to painting.

7.7 Painting:

7.7.1 All new material shall be prepared to SSPC-SP 11, “Near-White Blast Cleaning” Notify the Port Engineer for a surface preparation inspection prior to the application of paint.

7.7.2 Upon installation of new railing, prepare all disturbed areas to SSPC-SP 11, “Power Tool Cleaning to Bare Metal” and notify the Port Engineer for a surface preparation inspection.

7.7.3 Apply one (1) spot coat of Amercoat 240 red oxide paint at 5-6 mils DFT

7.7.4 Apply one (1) spot coat of Amercoat 240 Buff paint at 5-6 mils DFT

7.7.5 Apply one (1) full topcoat of Amershield haze gray CFM paint at 3-4 mils DFT.

7.8 Upon completion of task, MSCREP shall be called out for final inspection of all handrails. Apply a three hundred pound (300 lb.) force load test of new handrails in the horizontal plane perpendicular to the rails and hold same for ten (10) minutes. Prove that all welds are acceptable.

7.9 All residual material left over shall be provided to the ship.

7.10 All scrap generated shall be removed and disposed of by the contractor and nothing shall be left for ships disposal.

8.0 GENERAL REQUIREMENTS: None Additional:

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