SOW_SSU18-003REVB.doc

USNS SACAGAWEA

(T-AKE 2)

HEATING, VENTILATION & AIR CONDITIONING

SSU GUAM SSU18-003

04 Nov 2017

ITEM NO. SO-18-002REV B

Category “A” MSC/N756/ADT/msj

FAN ROOM 1-58-2 VENT INTAKE LOUVER & FRAME ASSEMBLY RENEW

1.0 ABSTRACT:

1.1 This item describes the requirement to fabricate and install a new 316L vent intake louvers and frame assembly for Fan Room 1-58-2.

2.0 REFERENCES:

2.1 References:

2.1.1 MSC Standard Drawing 803-7081122, Military

Sealift Command General Technical Requirements (GTRs).

2.2 Enclosures:

2.2.1

Photo of Vent Intake Louvers Installed

2.2.2

Photo of Vent Louvers Width Measurement

2.2.3

Photo of Vent Louvers Removed

2.2.4

Sketch of Vent Louver

2.2.5

Cascade General Drawing for USNS EARHART

T-AKE 6, page 6 of 8, “Louver Job #1, Ship’s

Louver 19-P”

3.0 ITEM LOCATION/DESCRIPTION/QUANTITY:

3.2 Location: Fan Room 1-58-2

3.3 Description: Louver and Frame Assembly 316L SS, with

11 Gauge louvers.

3.3.1 See Reference 2.2.5, page 6 of 8 for details

3.3.2 Approx. dimensions of individual louvers is

35-1/8” Length x 4-1/2” Total Width including ¾”L ends bent at 135 Degree angles in opposite directions as depicted in Enclosures.

3.3.3 New Louver and Frame Material: 316L SS, with

11 Gauge louvers equivalent to 1/8” thickness

3.4 Quantity: One Vent Intake Louver Frame Assembly

with center vertical louver division support for total of Sixty (60) Each

Louvers

4.0 GOVERNMENT FURNISHED EQUIPMENT/ MATERIALS/ 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.

5.2 All Welding shall be in accordance with ABS rules for building and classing steel ships.

5.3 All spaces and piping shall meet gas free certification prior to beginning any hot-work.

5.4 The contractor and all subcontractors regardless of tier are advised to review the other work items under this contract to determine their effect on the work required under this work item.

5.5 THIS SHIP CONTAINS HIGH VOLTAGE (HV) ELECTRICAL SYSTEMS. OBEY ALL POSTED AND VERBAL INSTRUCTIONS REGARDING SAFETY AND EXCLUSION FROM HIGH VOLTAGE AREAS. AT NO TIME APPROACH, WORK ON, OR ENTER A HIGH VOLTAGE AREA WITHOUT PROPER AUTHORIZATION.

5.6 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. ASSUME ALL ELECTRICAL CABLES ARE ENERGIZED UNTIL TESTED AND PROVEN OTHERWISE. TEST ALL ELECTICAL CABLES TO ENSURE THEY ARE DE-ENERGIZED PRIOR TO WORKING ON THE ITEM.

6.0 QUALITY ASSURANCE REQUIREMENTS: None additional.

7.0 STATEMENT OF WORK REQUIRED:

7.1 Using References 2.2.1 thru 2.2.5, Enclosures, Paragraph 3.0 and a ship check the Contractor shall fabricate and install a new SS 316L vent intake louvers and frame assembly for Fan Room 1-58-2 to its design form fit and function.

7.1.1 Crop out the existing remaining deteriorated

vent intake louver and frame assembly serving Fan Room 1-58-2 and grind off smooth and flush to the ship’s structure all existing louver frame assembly support brackets for painting and installation of the new contractor furnished SS 316L louver frame assembly.

7.1.2 DEVPREP or equal freshwater wash the ship’s

structure in way of the vent louver frame assembly opening free of all sale, scale, dirt and grime.

7.1.3 SSPC-SP11 mechanical scale the entire ship’s

vent louver opening and structure 12” from the opening Painting is not required.

7.1.4 Using GFM primer apply the following paint

system to all new and disturbed surfaces:

A.

One Stripe coat Amercoat 240 Red

5-6 mils DFT

B.

One Full coat coat Amercoat 240 Red

C.

One Full coat Amercoat 240 Haze Gray

D.

One Full coat Amershield Haze Gray

2-3 mils DFT

7.1.5 Install to the new fabricated 316L SS vent

louver frame assembly to design form fit and function.

7.1.6 Touch up paint all disturbed and damaged

surfaces in way of louver assembly installation rigging and hotwork per paragraph 7.1.4 7.1.7 Inspection and final acceptance of work shall be accomplished by the Chief Engineer and Port Engineer.

8.0 GENERAL REQUIREMENTS:

8.1 POP: 27NOV to 23DEC 2017

8.2

LOCATION: SAIPAN, ANCHORAGE

8.3 POC: Michael Jensen, 671-339-6046, Cell 671-483-9076

Michael.s.jensen@fe.navy.mil

SO-18-008-6