SOW_CGC MANTA - 87 FUEL TANK CLEANING INSP (002).docx

STATEMENT OF WORK

USCGC MANTA

FUEL TANK CLEANING AND INSPECTION

CONTENTS:

1. Introduction

2. References

3. Scope of Work

4. Period of Performance

5. Deliverables

6. Acceptance Criteria

7. Notes

1.0 INTRODUCTION

The U.S. Coast Guard Cutter Manta (WPB-87320) requires commercial providers to perform cleaning of both Fuel Service Tanks.

2.0 REFERENCES

COAST GUARD DRAWINGS

· Coast Guard Drawing 87 WPB 111-001, Rev H, Shell Expansion

· Coast Guard Drawing 87 WPB 113-001, Rev G, Platform Plating & Framing

· Coast Guard Drawing 87 WPB 116-001, Rev -, Longitudinal Girders & BHD’s

· Coast Guard Drawing 87 WPB 122-001, Rev C, Watertight Bulkheads

· Coast Guard Drawing 87 WPB 601-001, Rev R, Outboard Profile & General Arrangements

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.

OTHER REFERENCES

· Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2019, Cork and Rubber Composition Sheet; for Aromatic Fuel and Oil Resistant Gaskets.

· Maintenance Procedure Card (MPC) B24101.D

3.0 SCOPE OF WORK

3.1 The work is to be accomplished through the following:

3.1.1 Travel to work site / ship location: 1790 Saturn St. New Orleans, LA

3.2 Operational Test, Initial: Prior to commencement of work, the Contractor must witness Coast Guard Personnel perform an initial operational test of the designated tank level indicator(s) (TLI’s).

3.3 Tank Content and Waste Disposal: The Contractor must remove a total of 1400 gallons of contaminated diesel fuel. The Contractor must dispose of residual tank contents and any cleaning fluids in compliance with all applicable Federal, state, and local laws, ordinances, and regulations. Document a complete chain of custody record of the removed tank contents and generated wastes, from the vessel to the point of final destination or delivery. Provide any documents to the Coast Guard Inspector (EPO) upon completion.

3.4 Tank Cleaning Requirements: The Contractor must remove tank access cover(s) and clean tank interior surfaces free of all foreign materials, such as residual fuel or water, sediment, sludge, rust, or biological growth, taking care not to damage the coating system (if applicable). Remove cleaning media and residues continuously during the washing process and dispose of wash water. Remove any residual wash media; and wipe up residual moisture with clean lint-free cloths. Ensure that the tank(s) remain open for at least 24 hours to ventilate and dry prior to inspection.

3.5 The Contractor shall conduct atmospheric testing by a competent person of the ship’s fuel service tanks, vestibule area, and any other spaces as deemed necessary by the Contractor.

3.6 The Contractor must furnish and install all protective measures and gear required for ventilation.

3.7 The Contractor must handle all interferences not limited to:

3.7.1 Fuel

3.7.2 Piping

3.7.3 Tank access cover

3.8 Plug Log: The Contractor must keep a written record of all plugs put in any tank’s vents or piping. A separate list must be kept for each tank being entered.

3.8.1 Ensure that all plugs are removed from each tank upon completion of work in the tank.

3.8.2 Ensure the Plug Log is available to the Coast Guard Inspector when performing their close-out inspection on each tank.

3.9 Visual Inspection: The Contractor in the presence of a Coast Guard Inspector (EPO) must accomplish the following tasks:

3.9.1 Visually inspect all tank interior surfaces, including, but not limited to bulkheads, floor and overhead plating, structural members, access cover surfaces, fasteners, and gasket seating surfaces.

3.9.2 Tank structural condition.

3.9.3 Inaccessible areas.

3.9.4 Condition of tank coating system, including measurements taken, percentage, location, and type of coating failure (if tank interior surfaces are coated).

3.9.5 Tank level indicator (TLI) and/or float switch condition, as applicable.

3.9.6 Sounding/vent tube and striker plate condition.

3.9.7 Suction and discharge piping condition.

3.9.8 Fastener material and condition (correct fastener material is stainless steel) and (government furnished equipment (GFE) by the Coast Guard).

3.9.9 EPO shall notify the Contract Officers Representative (COR) at PBPL Asset Management of satisfactory/unsatisfactory inspection results prior to closing the tank(s).

3.10 Tank Closing: The Contractor must accomplish the following after completion of all authorized services, repairs, and/or preservation procedures:

3.10.1 Ensure tank closure is accomplished in the presence of the Coast Guard Inspector (EPO). After a satisfactory inspection by the Coast Guard Inspector and completion of all authorized services/repairs, install tank access cover(s) using new gasket material conforming to AMS-C-6183.

3.10.2 Chase threads on studs/bolts to ensure even installation of the access covers. Renew any damaged or missing fasteners. All Nylock hex nuts must be renewed. Existing undamaged fasteners may be reused.

3.10.3 Torque access cover hardware hex bolt/nuts in star pattern using standard torque specifications for thread size and material make (Stainless Steel).

3.11 Operational test, post service/repairs: After completion of work, in the presence of the Coast Guard Inspector, the Contractor must thoroughly test and demonstrate the equipment listed below to be in satisfactory operating condition.

3.11.1 Designated tank TLIs.

3.11.2 Vent check valves.

4.0 PERIOD OF PERFORMANCE

4.1 Upon contract award, the Contractor shall contact the CGC MANTA Point of Contact (POC) within two (2) business days to coordinate and confirm final performance dates. Once a start date is set and the Contractor is prepared to conduct services, the actual period of performance shall not exceed a total of five (5) days. All work shall fall within the window of availability between 16 September 2026 and 16 October 2026, with all services completed no later than (NLT) 16 October 2026.

5.0 DELIVERABLES

5.1 The Contractor shall provide all required equipment and labor costs.

5.2 The Coast Guard shall schedule a service date and be available to receive contracted service.

6.0 ACCEPTANCE CRITERIA

6.1 The government reserves the right to witness the contract service. The service provider shall keep the Coast Guard Inspector, the Engineer Petty Officer (EPO), MKC Katie Loudermilk, fully informed of servicing plans so that the authorized representative, CG Inspector, may arrange to be present when work is being performed.

6.2 When the work is complete, the Contractor shall notify the unit’s EPO for final inspections.

7.0 QUALITY ASSURANCE

7.1 The Contractor shall develop and maintain an effective Quality Control Program (QCP) to ensure that services are performed in accordance with the terms of this Statement of Work (SOW), and in accordance with manufacturer’s guidance and procedures. The QCP is the means which the vendor assures all work complies with the terms of the awarded contract. It identifies, prevents, and ensures non-occurrence of defective services.

8.0 CONTRACTING OFFICERS REPRESENTATIVE

8.1 The Contract Officer’s Representative (COR) at the U.S. Coast Guard Surface Forces Logistics Center shall be reached at the PBPL Asset Management Section One through the EPO.

9.0 NOTES

9.1 Government Furnished Equipment (GFE) provided by the Coast Guard:

9.1.1 Access Cover, (New) Gasket(s).

9.1.2 Access Cover, (New) Hardware (Stainless Steel - Nuts/Bolts/Washers/Lock-Washers) As Required.

9.2 Tank Content Restoration: The Coast Guard shall procure and refill all tanks at the conclusion of all work.

9.3 Operate and Test: The CG will operate and test installed mechanical equipment that draws fuel from the newly cleaned fuel tanks IAW operating procedures, ensuring air has been purged from fuel suction lines to maintain constant operation.

9.4 All Government Furnished Information and work products shall remain the property of the U.S. Coast Guard and shall not be released to any third party or published without prior approval.