19-008_Vents_Class_SOW.pdf

USNS PUERTO RICO

(T-EPF 11)

HEATING, VENTILATION & COOLING CONTRACT NO. 19-008

VENT. SCREEN & EQUIPMENT MODS. 2018-12-04

ITEM NO. SO 19-008 MSC – KOZAK

CATEGORY “A”

19-008 - 1

1.0 ABSTRACT

1.1 This item describes the installation of ventilation

plenum opening screens, dual check backflow preventers installation and appliance modification required during the EPF-11 through 14 Post Delivery Availability (PDA).

2.0 DRAWINGS/REFERENCES

2.1 References

2.1.1 Drawing No. 630-601-01-202, JHSV General

Arrangement and Profile Drawings REV K.

2.1.2 Drawing No. 8445378, Schematic Machinery &

Equipment Ventilation System REV A.

2.1.3 Drawing No. 8444975 Mission Bay CBG Fire Panels

REV A.

2.1.4 Drawing No. 803-7081122, General Technical

Requirements. (GTRs)

2.1.5 Drawing No. 630-630-02-201 Corrosion Prevention

and Control Plan.

2.2 Enclosures

2.2.1 JHSV Ventilation Screen List

3.0 LOCATION/QUANTITY

3.1 Location

3.1.1 Various Locations per Enclosure 2.2.1 JHSV

Ventilation Screen List

3.1.2 Navigation Bridge (04-18-0)

3.1.3 C4I (03-28-0)

3.1.4 Food Service (02-32-0)

3.1.5 Mess (02-31-3)

3.2 Quantity

3.2.1 Forty-Five (45) – Various Locations

3.2.2 One (1) – Coffee Maker (04-18-0)

3.2.3 One (1) – Coffee Maker (03-28-0)

3.2.4 One (1) Toaster Oven (02-32-0)

3.2.5 One each (1-each) Hot Water Dispenser (02-31-3), Microwave & Ice/Water Dispenser

HEATING, VENTILATION & COOLING CONTRACT NO. 19-008

VENT. SCREEN & EQUIPMENT MODS. 2018-12-04

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4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICE

4.1 Government Furnished Service

4.1.1 110V Electrical service, 125 PSI compressed air.

NOTE: Government will not furnish hoses, wiring, plugs and receptacle connectors.

5.0 NOTES

5.1 Performance Periods:

5.1.1 EPF-11 June 10-July 10, 2019

5.1.2 EPF-12 (notional) December 10, 2019-January 10,

5.1.3 EPF-13 (notional) June 10-July 10, 2021

5.1.4 EPF-14 (notional) December 10, 2021- January

10, 2022

5.2 Performance Location: Austal USA Shipyard, Vessel

Completion Yard, Mobile, Alabama.

5.3 Port Engineer:

5.3.1 EPF 11:

David Kozak Mobile: (757) 636-4292 Email: david.w.kozak@navy.mil

5.3.2 EPF 12: TBD

5.3.3 EPF 13: TBD

5.3.4 EPF 14: TBD

5.4 For access to the Austal USA Shipyard, Vessel Completion

Yard, Mobile, Alabama, the contractor shall make arrangements, furnish all credentials and fulfill requirements for access. The Point of Contact (POC) is lisabower@austalusa.com for Joint Personnel Adjudication System (JPAS) information, security and visitor passes.

5.5 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 mailto:david.w.kozak@navy.mil mailto:lisabower@austalusa.com%20for

HEATING, VENTILATION & COOLING CONTRACT NO. 19-008

VENT. SCREEN & EQUIPMENT MODS. 2018-12-04

19-008 - 3 requirements of all applicable GTR’s including but not limited to GTR’s 1 through 7, 22, 23, 26, 28 and 29.

5.6 The contractor shall follow the MSC Lock Out Tag Out

Procedure administered by the vessel’s Chief Engineer.

5.7 If the contractor performs “Hot Work”, the contractor

shall furnish the services of a Marine Chemist to provide a Certificate for “Hot Work” and maintain the Certificate throughout the work period.

5.8 The contractor shall be responsible for the removal and

replacement of interferences such as but not limited to CBG Fire Panels, bulkhead panels, overhead panels and ventilation duct work.

5.9 The contractor shall be responsible for all requirements

for rigging, positioning, and lifting such as but not limited to crane, man-lift and scaffolding.

5.10 The contractor shall not operate ship’s equipment.

5.11 The contractor is responsible for cleaning and gas

freeing all effected work areas as required.

5.12 The contractor is responsible for cleaning all areas

disturbed as a result of work performed.

6.0 QUALITY ASSURANCE REQUIREMENTS

6.1 None Additional

7.0 STATEMENT OF WORK REQUIRED

7.1 Mechanical/Fluids

7.1.1 Verify with Chief Engineer that ship’s crew

performed Lock Out and Tag Out of affected systems prior to work start.

7.1.2 Ventilation screen material installation:

7.1.2.1 Using Refs 2.1.1 thru 2.1.3 as guidance, temporarily remove access panels or interferences required for installation of screen material to ventilation plenums per list Enclosure 2.2.1.

7.1.2.2 Install ventilation screen material at

vessel plenum louvers on hull flange location per list Enclosure 2.2.1.

Installation to be on inside of vessel

HEATING, VENTILATION & COOLING CONTRACT NO. 19-008

VENT. SCREEN & EQUIPMENT MODS. 2018-12-04

19-008 - 4 unless otherwise noted in Enclosure 2.2.1.

7.1.2.3 The ventilation screen shall be

furnished by the Contractor and be Stainless Steel Woven Crimped Mesh 1/2" X 1/2", 0.063 Gauge wire, with Stainless Steel Flat-bar Frame.

7.1.2.4 Contractor shall furnish hardware and

materials for securing the ventilation screen in place. Installation shall be performed in accordance with Ref 2.1.5.

7.1.2.5 Ventilation screen material shall be

installed using a 12in x 12in securing grid and edges fit to within ½” of outside louver flange. Radius edges where required to meet edge fitment criteria. No installed screen shall have less than four (4) securing points.

7.1.2.6 Re-Install contractor removed access

panels and disturbed interferences.

7.1.3 Procure and install additional hardware to perform

the following:

7.1.3.1 Raise items listed in para 3.1.2.1, 3.1.3.1, 3.1.4.1, 3.1.4.2, 3.1.5.1 and

3.1.5.2 up to achieve 4” clearance as measured from the countertop. Relocated power cords in order to gain additional clearance for raising items.

7.1.3.2 Provide four (4) dual check backflow

preventers and install one in each 3/8” water supply line to the items listed in para 3.1.2.1, 3.1.3.1, 3.1.4.2 and 3.1.5.2.

7.2 Preparation of Drawings

7.2.1 Final “as-built” of reference 2.1.2 shall be

prepared by the contractor using GTR 5 as guidance to reflect the actual installation configurations for all efforts accomplished in accordance with this work item. Final “as-built” drawings to be prepared by the contractor shall include a

HEATING, VENTILATION & COOLING CONTRACT NO. 19-008

VENT. SCREEN & EQUIPMENT MODS. 2018-12-04

19-008 - 5 completed/filled-in “Weight Control Data”, accounting for both the removals and the installations as separate line items. The contractor shall perform calculations necessary to complete/fill in the data fields on the “Weight Control Data” block. All drawings shall be submitted in AutoCAD 2004 and PDF format. All submissions will consist of at least three (3) hard copy prints and one (1) electronic copy on CD in AutoCAD 2004 and PDF format to the MSCREP.

7.3 Inspection/Test

Tests

7.3.1 Furnish a vent screen installation test to MSCREP.

Ventilation screens shall be pulled and pushed by hand. Screen frames shall be monitored for separation from mounting flange.

7.3.2 Perform leak test and operational test of all

lines and equipment modified in para 7.3.3.

MSCREP shall witness tests.

Painting/Insulation

7.3.3 Repair disturbed insulation and touch up painting

only for disturbed panels and areas of work performed. No stainless ventilation screens or un-painted aluminum surfaces shall be painted.

8.0 GENERAL REQUIREMENTS

8.1 Port and Starboard side vents of the same frame number

shall not be worked at same time. (Port engine fans will not be worked if Starboard engine fans are being worked.)

Port and Starboard sides can be worked at same time for uncommon frame numbers and spaces such as Port Forward and Starboard Aft.

HEATING, VENTILATION & COOLING CONTRACT NO. 19-008

VENT. SCREEN & EQUIPMENT MODS. 2018-12-04

19-008 - 6

Enclosure 2.2.1: JHSV Ventilation Screen List