0020_A_GAS FREE CERTIFICATES.docx

USNS GRAPPLE

(T-ARS 53)

1.0 ABSTRACT

1.1 The intent of this work item is to provide and maintain Marine Chemist gas free certificates to certify spaces and systems as Gas Free Safe for Personnel Entry and Safe for Hotwork on the ship where work will be accomplished on a daily basis.

2.0 REFERENCES: None

3.0 ITEM LOCATION AND DESCRIPTION:

3.1 Location/Description:

a. Machinery rooms, pump rooms, and tanks and spaces as noted in enclosure 2.2.1 of work item 021 of this work package.

b. Areas throughout the vessel where hot work is being performed by the contractor.

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES: None

5.0 NOTES:

5.1 The contractor and subcontractors must consult Military Sealift Command’s General Technical Requirements, (GTR’s), to determine applicability to this work item. The contractor and all subcontractors must comply with all applicable GTR requirements.

5.2 The contractor and subcontractors shall review other work items under this contract, to determine their effect on the work required by this item. Based on this review the contractor shall plan and schedule work to minimize conflicts between work items.

6.0 QUALITY ASSURANCE REQUIREMENTS: None additional

7.0 STATEMENT OF WORK REQUIRED

7.1 In the United States or its territories and possessions, a NFPA Certified Marine Chemist shall be used to certify spaces Gas Free Safe for Personnel Entry and Safe for Hot Work. (46 CFR 115.710 (a)). Outside of the United States, a Marine Chemist or Industrial Hygienist, certified in the country or locale where the work is to be accomplished, shall be utilized.

7.1.1 Contractor actions to prepare tanks and spaces to attain gas free certification shall be accomplished in accordance with USCG, OSHA (Subparts 1915.11, 1915.12, and 1915.13) and OCONUS specific locale requirements.

7.2 Test and prove Gas Free "Safe for Men" and "Safe for Hot Work" as applicable for all areas as listed in 3.1, including all other spaces where work requiring gas free condition is required by the work items of these specifications.

7.2.1 Cleaning required to attain gas free status is covered under individual work items.

7.3 Furnish the MSCREP with two (2) copies of the gas free certificates signed by a NFPA certified Marine Chemist (or equivalent OCONUS Marine Chemist or Industrial Hygienist) prior to start of any confined space entry and/or hot work. Furnish a new gas free certificate, signed by a NFPA certified Marine Chemist (or equivalent OCONUS Marine Chemist or Industrial Hygienist), daily thereafter for the duration of the particular work necessitating gas freeing of spaces safe for men and hot work. One (1) copy of said certificate is also to the posted near the gangway(s).

7.3.1 Gas free certificates shall be maintained on a daily basis. This may be accomplished by a shipyard Competent Person, provided same Competent Person is acceptable to all regulatory agency (e.g.: USCG, ABS) inspection personnel during inspections. Should regulatory agency inspectors require NFPA certified Marine Chemist (or equivalent OCONUS Marine Chemist or Industrial Hygienist) certificates, the additional costs of contracting a Marine Chemist shall be borne by the Contractor.

7.3.2 Shipyard Competent Persons shall be trained by a NFPA certified Marine Chemist (or equivalent OCONUS Marine Chemist or Industrial Hygienist), and credentials demonstrating this training shall be provided to the MSCREP prior to any confined space entries.

7.4 Any variation of originally certified conditions such as shifting vessel, changing ballast, and transport of any other fluids, etc, must be immediately brought to the attention of the MSCREP. A new Marine Chemist gas free certificate shall also be issued.

7.5 Burning or other hot work shall not be done by the contractor on any part of the vessel, including piping systems unless permission to do so is specifically granted by the NFPA certified Marine Chemist (or equivalent OCONUS Marine Chemist or Industrial Hygienist), documented with issued certificates.

7.6 Manufacturer's Representative: None

7.7 Preparation of Drawings: None

8.0 GENERAL REQUIREMENTS: None additional

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