SOW Nr. 3 SSDG Exhaust Piping RenewR1.docx

General Requirements

1. SCOPE

1.1 Intent. This standard specification invokes general requirements for conducting vessel repairs for Coast Guard vessels performed by commercial contractors at USCG Facilities.

2. REFERENCES

COAST GUARD DRAWINGS

None.

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and Allied Processes Surface Forces Logistics Center Standard Specification 5550 (SFLC Std Spec 5550), 2022, Fire Prevention and Response

OTHER REFERENCES

None

3. REQUIREMENTS

3.1 General. The Contractor must conform to all requirements specified in SFLC Std Spec 0000 and in this item, as applicable, during the performance of this availability. The requirements of this WI applies to all work under the scope of this contract, whether explicitly stated in all following work items or not, and to all other work subsequently authorized by changes, modifications, or extensions to the contract.

3.2 Welding and brazing requirements. The Contractor must perform all welding and allied processes, and NDE in accordance with SFLC Std Spec 0740.

3.3 Fire Prevention. The Contractor must submit a Fire Prevention Plan in accordance with paragraph 3.1 of SFLC Standard Spec 5550. Coordinate with COR/KO and submit to upon contract award.

3.3.1 Fire Watch. The Coast Guard will provide fire watch personnel and equipment.

3.4 Period of Performance. The period of performance for this work is 21 April 2025 through 25 April 2025.

3.5 Location. The Contractor must perform the work while the USCGC HAMILTON is alongside the pier at the Federal Law Enforcement Training Center (corner of S. Hobson Ave and Chaffe St), Charleston, SC 29405.

3.6 FLETC Base access is required. Vendor must have a valid US driver’s license and show identification. Contractors working on this project must not have felony convictions. Forms will be provided for base access. A CG representative from the cutter will sponsor and escort vendor to the cutter.

S25_000_23410_BJA_0425_754

1. Nr. 3 SSDG Exhaust Piping, Renew

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew a section of exhaust piping and install lagging for the Nr.3 Ships Service Diesel Generator.

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 418A-WMSL-100-001, Rev B, General Arrangements Coast Guard Drawing 750-WMSL-100-041, Rev H, Unit 3220 Structure 1st Platform to 2nd Deck – FR 76 to 88 Coast Guard Drawing 750-WMSL-508-001, Rev C, Piping and Machinery Insulation Schedule and L/M

Coast Guard Publications Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and Allied Processes Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2022, Auxiliary Machine Systems Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures Other References None

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not applicable.

3.1.3 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).

3.1.4 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:

· Oil in bilges (gas free certification required for hot work)

· Fuel tank 5-44-0-F

· Deck plating/grating

· Piping

· Piping Supports

3.1.5 Gas Free. The Contractor must certify and maintain work area to a condition ‘Safe for Hotwork’ in accordance with SFLC Std Spec 0740 paragraph 3.3.

3.1.5.1 The affected piping is in the Central Storeroom, 1st Platform, Frame 77.

3.1.6 Fluid handling. The Contractor must remove and dispose of removed fluids from the affected piping system and any cleaning fluids, in accordance with all applicable Federal, state, and local regulations and SFLC Std Spec 0000.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.2 Operational test, initial. Prior to commencement of work, the Contractor must witness Coast Guard personnel perform an initial operational test of all items or shipboard devices to be disturbed, used, repaired, or altered, to demonstrate existing operational condition. Submit a CFR. This includes, but is not limited to SSDG #3.

3.3 Piping Repair. The Contractor must renew the damaged section of the exhaust trunk shown in Detail 13B-4A of CG Drawing 750-WMSL-100-041. See Figures 1 and 2 for photographs of the affected area.

NOTE

The USCGC HAMILTON is NSC 4. This part is PP 533 in Detail 13B-4A.

3.3.1. All welding repairs must be conducted in accordance with SFLC Std Spec 0740. NDE must be in accordance with SFLC Standard Spec 0740 Appendix C, and a form of NDE in addition to visual inspection must be used. If a build-up weld is used to repair this elbow, then Paragraph C2.4.3 must be followed.

3.3.2. For bidding purposes, assume that a radius of 1 foot around the hole shown in Figure 2 has been affected.

3.3.3. The Contractor must notify the COR when all surface preparation is complete and they are ready to start the repair PRIOR to conducting any of the repairs.

3.4 Insulation. The Contractor must install new lagging over the entire elbow shown in Detail 13B-4A of CG Drawing 750-WMSL-100-041 in accordance with CG Drawing 750-WMSL-508-001 Sheet 25. Any of the insulation options rated for 400 degrees F or above may be used at the Contractor’s discretion.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.5 Operational test, post repairs. After completion of work, the Contractor shall thoroughly test, in the presence of the Coast Guard Inspector and demonstrate all items or shipboard devices that have been disturbed, used, repaired, altered, or installed to be in satisfactory operating condition. Submit a CFR.

3.6 Touch-up preservation. The Contractor must prepare and coat all new and disturbed surfaces to match existing adjacent surfaces in accordance with SFLC Std Spec 6310, (Touch-ups and minor coating repairs.)

4. NOTES

Figure 1 – Location of hole

Figure 2. Close-up view of hole and surrounding location.

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