Work Item 2 COMPARTMENT INSULATION.pdf

SPECIFICATION FOR WMEC INSULATION

8 (Rev-1)

WORK ITEM 2: Compartment Insulation, Renew

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew compartment insulation (bulkhead and/or overhead) aboard US Coast Guard Cutter DILIGENCE, as designated locations on Table 1 in the SOW.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 618 WMEC 635-002, Rev J, Sheathing and Installation Coast Guard Drawing 618 WMEC 635-003, Rev E, Insulation & Sheathing In Machinery Spaces Coast Guard Drawing 618 WMEC 635-004, Rev E, Sheathing & Insulation Dets Hull Galley &

Scullery Coast Guard Drawing 618 WMEC 635-005, Rev A, Insulation Mod 2nd Deck Berthing Coast Guard Drawing 627 WMEC 635-002, Rev B, Sheathing & Insulation Coast Guard Drawing 627 WMEC 635-003, Rev B, Insulation & Sheathing In Machinery Spaces Coast Guard Drawing 627 WMEC 635-004, Rev D, Sheathing And Insulation Hull, Galley, Scullery & Ventilation Duct - Details Coast Guard Drawing 627 WMEC 635-008, Rev A, Insulation Modificaition 2nd Deck Berthing Coast Guard Drawing 901 WMEC 635-001, Rev K, Hull Thermal & Acoustic Insulation

Arrangement and Details Coast Guard Drawing 905 WMEC 635-001, Rev F, Hull Thermal & Acoustic Insulation

Arrangement and Details

NOTE TO CONTRACTOR

Unless otherwise specifically stated in the work item, Coast Guard Drawings are provided for general system reference only and must not be used for installation methods or material specifications.

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General Requirements

SPECIFICATION FOR WMEC INSULATION REPAIRS FY2023

9 (Rev-1)

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2020, Requirements for Preservation of Ship Structures

OTHER REFERENCES

ASTM International (ASTM) C534, 2020, Specification for Preformed Flexible Elastomeric

Cellular Thermal Insulation in Sheet and Tubular Form ASTM International (ASTM) F683, 2014, Standard Practice for Selection and Application of

Thermal Insulation for Piping and Machinery MIL-A-23054, Aug 1982, Acoustic Absorptive Board; Fiberous Glass, Perforated Fiberous Glass, Cloth Faced MIL-DTL-32585, July 2021, Insulation, Thermal and Acoustic, Fiberglass MIL-I-742, Mar 1980, Insulation Board, Thermal, Fiberous Glass MIL-I-22023, Aug 1982, Insulation Felt, Thermal and Sound Absorbing Felt, Fiberous Glass, Flexible NAVSEA Drawing 804-5773931, Rev-A, Insulation for Compartments, Acoustic and Thermal –

Installation Details

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).

3.1.3 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the following:

• Overhead panels.

• Wireways.

• Bulkheads.

• Machinery.

3.2 Insulation types. Insulation material type(s) will be designated by the Coast Guard from “Table 3

– Insulation Materials” below.

TABLE 3 – INSULATION MATERIALS

INSULATION DESCRIPTION MATL. SPECIFICATION*

Fiberous Glass Cloth-Faced Board, Thermal Insulation (Hullboard) -w/ lamination.

MIL-DTL-32585, Type I

10 (Rev-1)

*Legacy specifications MIL-I-742, MIL-I-22023, and MIL-A-23054 have been superseded by

MIL-DTL-32585.

3.3 New installation (Thermal treatment where no sheathing is required). The Contractor must install new faced thermal insulation material, over plating surfaces and structural members, as shown on NAVSEA Drawing 804-5773931 or ASTM F683-14 as applicable to system application and insulation type. Coat the newly installed insulation using the system specified for “Insulation Surfaces, Fiberglass Sheet/Closed Cell PVC Foam” in SFLC Std Spec 6310, Appendix B (Cutter and Boat Interior Painting Systems).

3.4 New installation (Thermal treatment where sheathing is required). The Contractor must install new un-faced thermal insulation material, over plating surfaces and structural members, as shown on NAVSEA Drawing 804-5773931 or ASTM F683-14 as applicable to system application and insulation type.

3.4.1 Perforated aluminum metal sheathing. For installation of perforated aluminum metal sheathing the Contractor must refer to Coast Guard Drawings provided for metal sheathing material specification and installation guidance.

3.5 New installation (Thermal and acoustic treatment). The Contractor must install new perforated faced thermal and sound absorptive insulation material over plating surfaces and structural members, in accordance with NAVSEA Drawing 804-5773931 or ASTM F683-14 as applicable to system application and insulation type. Coat the newly installed insulation using the system specified for “Insulation Surfaces, Fiberglass Sheet/Closed Cell PVC Foam” in SFLC Std Spec 6310, Appendix B (Cutter and Boat Interior Painting Systems).