0108_A_Modifications for Load Line.docx

USNS ARCTIC

(T-AOE 8)

HULL STRUCTURE RFP NO. N32205-14-R-2000

11 SEPTEMBER 2013

MODIFICATIONS FOR LOAD LINE

1.0 ABSTRACT:

1.1 This item describes modifications for load line.

2.0 REFERENCES/ENCLOSURES:

2.1 References:

2.1.1 ABS Telefax dated 14 April 2004, Vessels’ Preliminary 1966 “B- Increased” Freeboard Assignment for Ocean Service

2.1.2 MSC Standard Drawing 803-7080803, Computer Aided Design (CAD) Drawing Standard

2.2 Enclosures:

2.2.1 USNS SUPPLY Air Pipe Closures Locations AMEND 0004

3.0 ITEM LOCATION/DESCRIPTION:

3.1 Location/Quantity:

3.1.1 Locations: Various

3.1.2 Quantity: None

3.2 Item Description/Manufacturer’s Data:

3.2.1 Quantities specified in this work item are considered estimates. The contractor shall provide the exact quantities and additional material such as fittings, weld material, etc., in order to install fully functional systems that meet the requirements of this specification. AMEND 0004

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES: 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, 22, 23, 24, 27, 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 009, 010, 015, and 021, 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.

6.0 QUALITY ASSURANCE REQUIREMENTS: None Additional

7.0 STATEMENT OF WORK REQUIRED:

7.0

7.1 Arrangements/Outfitting: None Additional

7.2 Structural:

7.2.1 Removals:

a. Crop out existing Foredeck Hatchway, Fr. 33, 30" x 30", with an existing sill height of 8".

7.2.2 Installations:

a. Install Foredeck Hatchway, Fr. 33, 30" x 30", with a sill height of 18".

b. Weld Plimsoll marks, on both P&S sides, at amidships, using Reference 2.1.1 as guidance.

7.3 Mechanical/Fluids/Ventilation:

7.3.1 Removal:

a. Crop out T-fittings on vent lines on Main deck at Frames 147, 476, 550, and 578 (Port) and Frame 580 (Stbd)

7.3.2 Installations:

a. Install gooseneck with closure device on vent lines on Main deck at Frames 147, 476, 550, and 578 (Port) and Frame 580 (Stbd)

b. Install closure devices on all vent pipes on the 01 level – see Enclosure 2.2.1.AMEND 0004

7.4 Electrical: None Additional

7.5 Electronics: None Additional

7.6 Preparation of Drawings:

7.6.1 Prepare as-built drawings, including the updated Bill of Materials, in AutoCAD 2009 format, scaled to Size F (.71 meter X 1.01 meter (28 in x 40 in)) in accordance with Reference 2.1.2. All drawing sheets for each drawing number are to be contained within one AutoCAD 2009 file. Do not create a new file for each sheet within a drawing. Drawing numbers will be provided by the MSCREP.

7.6.2 Drawings to be submitted to MSCREP for review prior to submission to ABS.

7.6.3 The Contractor shall submit all drawings directly to ABS for review. The Contractor shall incorporate into the ABS Reviewed Deliverables all ABS comments, and the ABS Reviewed Deliverables shall be stamped “approved” by ABS.

7.6.4 All drawings developed shall be delivered as follows: three (3) hard copies in 11x17 format and one electronic submittal on CD/DVD containing the drawing files in both AutoCAD 2009 (*.dwg) and Adobe (*.pdf) formats. All drawing sheets for each drawing number are to be contained within one AutoCAD 2009 file. Do not create a new file for each sheet within a drawing.

7.7 Inspection and Test:

7.7.1 Inspections:

a. Prior to welding Plimsoll marks, layout the location and have ABS and MSCREP inspect.

b. Contractor and MSCREP shall conduct a joint inspection of areas to be prepared and painted before surface preparation begins to ensure that protective measures are implemented.

c. Contractor shall perform inspections after completion of each stage of surface preparation, each coat, and each stripe coat, to verify surface condition, DFT and space cleanliness, and before securing space.

d. Inspect all bulkhead and deck modifications for air/gas tightness per GTR.

e. ABS is to be called out for all inspections.

7.7.2 Testing – All testing is to be witnessed by MSCREP and ABS

a. Completion Test

b. Operation Test

c. Tightness Test

7.8 Insulation and Painting:

7.8.1 Paint Plimsoll marks using Reference 2.1.1 as guidance.

7.8.2 Prior to painting, all bulkhead and overhead insulation shall be repaired or replaced in all spaces affected by this specification work item.

7.8.3 Clean, Prime, and Paint all surfaces and insulation of all spaces to match typical coatings in spaces using GTR 7 as guidance.

7.9 Marking:

7.9.1 Install markings "For Emergency Use Only Do NOT Block" on both sides of each hatch at the following locations:

a. SWDB RM Escape Hatch Fr. 566 21" DIA – P&S

b. Escape Hatch Fr. 626 21" DIA – P&S

c. Fuel Tank Hatchway 30" x 30" – P&S

d. Escape Hatch Fr. 623 21" DIA – P&S

7.9.2 Install name plates and markings on all new BERPs. Name plates shall be brushed aluminum with black lettering.

7.10 Manufacturer’s Representative: None

8.0 GENERAL REQUIREMENTS: None Additional

01-255-2 01-275-2 01-339-2 01-407-2 01-421-2 01-423-2 01-423-2 01-491-2 01-491-2 01-507-2 01-520-2 01-563-2 01-564-2 01-592-2 01-615-2 01-641-2 01-646-2 01-635-1 01-623-1 01-622-1 01-622-1 01-589-1 01-589-1 01-582-1 01-566-1 01-515-1 01-514-1 01-509-1 01-509-1 01-509-1 01-485-1 01-485-1 01-455-1 01-455-1 01-437-1 01-435-1 01-400-1 01-400-1 01-399-1 01-399-1 01-397-1 01-368-1 01-336-1 01-318-1 01-280-1 01-265-1 01-260-1 01-259-1 01-35-0 FPK Tk 01-105-02 1.5 2.5 2.5 0.5 39.5

ENCLOSURE 2.2.1

105-5