ATTACHMENT 3 - STATEMENT OF WORK FOR REPAIR EDUCTOR AND SEWAAGE PIPIING.docx

General Requirements

1. SCOPE

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

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 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 Fire Prevention Specification. The Contractor must submit a Fire Prevention Plan in accordance with paragraph 3.1 of SFLC Standard Spec 5550.

3.3. Period of Performance. The period of performance for this work starts on 08SEPT2025 and ends on 26SEPT2025.

3.4. Location. The Contractor must perform the work while the USCGC ALEX HALEY (WMEC 39) is alongside the pier at USCG Base Seattle, 1519 Alaskan Way South, Seattle, WA 98134

63110_BJA_0725_282

WORK ITEM 1: Emergency Eductor, Repair

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to repair the emergency eductor and visually inspect the eductor check valve in the Main Machinery Room (MMR).

1.2 Government-furnished property.

None

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 282-WMEC-506-001, Rev J, Firemain & Sprinkling Arrangement Coast Guard Drawing 282-WMEC-508-003, Rev H, Ships Drainage & Ballast Piping Arrangement in Machinery Space Coast Guard Drawing 282-WMEC-545-019, Rev G, Diagram of Drainage, Ballasting, De-ballasting and De-watering Systems.

Coast Guard Drawing FL-1204-3, Rev A, Fleet Welded Padeyes and Links 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 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures Other References ASME B16.5, 2020, Pipe Flanges and Flanged Fittings NPS ½ through NPS 24 HH-P-151G, 2020, Packing, Rubber-Sheet, Cloth-Insert

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

None.

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:

Piping Hose Insulation Pipe contents Valve flanges Deck Plating Ladderwells

3.1.5. Hazardous material disclosure. The Contractor must be aware of the following hazardous conditions:

WARNING

Asbestos must be treated as friable during removal.

· Asbestos in excess of 1% is present in the existing gaskets.

3.1.6 Residual Fluids. The Contractor must dispose of residual fluids in compliance with all applicable Federal, state, and local laws, ordinances, regulations and SFLC Standard Specification 0000. Notify the technical representative (in writing) at least 5 days prior to removal of wastes and fluids. Document a complete chain of custody record of the removed contents and generated wastes, from the vessel to the point of final destination or delivery. Submit document to the technical representative upon completion of work.

3.1.6 Cofferdam. The Contractor must install a cofferdam to complete the work in this work item

3.1.7 Rigging. The Contractor is responsible for all rigging with the following considerations:

3.1.7.1 All existing padeyes that will be used for a lift must be pull tested to 1.5 times their Working Load Limit in accordance with SFLC Standard Spec 5000 Paragraph 3.2.7. All testing must occur in the presence of a Coast Guard Inspector.

3.1.7.2. If new padeyes are required, fabricate them in accordance with Coast Guard Drawing FL-1204-3 and SFLC Standard Spec 0740. Newly fabricated padeys must be pull tested to 2 times their Working Load Limit in accordance with SFLC Standard Spec 5000 Paragraph 3.2.7. All testing must occur in the presence of a Coast Guard Inspector.

3.1.7.3. Upon completion of testing, install a label plate in accordance with SFLC Standard Spec 5000 Paragraph B2.9.

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.

NOTE

The existing educator weighs 417 lbs.

3.3. Eductor Repair. The contractor must remove the “BG-E-2” eductor shown in the MMR on CG Drawing 282-WMEC-545-019 and renew the pinholes shown in Figure 1. In ADDITION to the pinholes shown in Figure 1, the Contractor must crop and renew the entirety of a weld (either a linear weld that supports the ribs or a radial weld for the flanges or cone) at the discretion of the COR. Reinstall after the weld is complete.

3.3.1. Do not use the asbestos gaskets specified in CG Drawing 282-WMEC-508-003 to make up the flanges. Acceptable gaskets are 1/8” thick cloth inserted rubber, HH-P-151 Class 1 or 1/8” thick Blue-Gard style 30000 or 3200.

3.3.2. Piping associated with the eductor is shown in 282-WMEC-508-003 and 282-WMEC-545-019. The rest of the firemain system is shown in 282-WMEC-506-001.

3.3.3 All welding must be in accordance with SFLC Standard Spec 0740 and all NDE must be in accordance with SFLC Standard Spec 0740, Appendix C.

3.3.4. If hot work will occur on board the ship, the Contractor is responsible for all necessary cleaning to maintain gas free certification, fire watch and certifying that the space is safe for hot work per SFLC Std Spec 0000.

3.4 Pipe flushing. The Contractor must flush the eductor with clean fresh water until all debris is removed but no longer than five minutes. Ensure flushing fluid is directed to move scale and foreign debris away from installed machinery to prevent possible damage upon operational testing. Submit a CFR documenting date and time of flushing process and level of pipe cleanliness.

3.4.1 Dispose of flushing fluid in accordance with all applicable Federal, state, and local regulations and SFLC Std Spec 0000.

3.4.2 The Contractor must flush the eductor prior to reinstallation.

3.5 Hydrostatic test. After all authorized repairs, the Contractor must hydrostatically test all new welds on the eductor to 265 psi accordance with SFLC Std Spec 0740, Appendix C, Hydrostatic Test. Ensure zero leakage from or permanent deformation of pressure-containing parts by repairing all leaks, deformations, and discrepancies. Submit a CFR.

NOTE

The Contractor may hydrostatically test eductor weld prior to installation on board the ship or after installation

3.6 Leak test. After completing all authorized mechanical (i.e. threaded, bolted, etc.) joint repairs, the Contractor must test the firemain system and the eductor drain system operation using the system fluid at normal operating pressure. Ensure zero visible leakage from or deformation of mechanical parts by repairing all leaks and discrepancies. Submit a CFR.

3.7 Operational test, final. 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.

3.8 Preservation. After all authorized repairs and tests, the Contractor must preserve the exterior of the eductor in accordance with SFLC Std Spec 6310, Appendix B, “Piping, Insulated and Uninsulated, Under 200oF”

4. NOTES

figure 1. eductor to be repaired. Pinholes are shown in red

63110_MLA_0724_282

WORK ITEM 2: Cofferdam, Install

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to install cofferdam at the port side Main Machinery Room (MMR) eductor overboard discharge.

1.2 Government-furnished property.

None.

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 282-WMEC-506-001, Rev J, Firemain & Sprinkling Arrangement Coast Guard Drawing 282-WMEC-508-003, Rev H, Ships Drainage & Ballast Piping Arrangement in Machinery Space Coast Guard Drawing 282-WMEC-545-019, Rev G, Diagram of Drainage, Ballasting, De-ballasting and De-watering Systems Coast Guard Publications Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements Other References Naval Sea Systems Command (NAVSEA) S0600-AA-PRO-160, 11/15/2011, Underwater Ship Husbandry Manuals - Chapter 16 (Cofferdams)

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not Applicable

3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences).

3.1.5 Work coordination. The Contractor shall coordinate work on this item with following Work Item:

· Work Item #7, Emergency Eductor, Renew

3.1.6 Work Location. The concerned work area(s) is:

· Port side MMR Eductor Overboard Discharge at Frame 28. Refer to CG Drawing 282-WMEC-508-003.

3.2 Cofferdam Fabrication and Installation.

3.2.1 The Contractor shall fabricate and install a cofferdam (blank cover) over the designated overboard discharge.

3.2.2 Cofferdam fabrication and installation shall be accordance with the NAVSEA S0600-AA-PRO-160.

3.2.3 Contractor shall remove cofferdam at completion of the eductor renewal.

3.2.4 Inspect the structure surrounding the cofferdam for deterioration and corrosion and submit a Condition Found Report to the Coast Guard Inspector.

4. NOTES

This section is not applicable to this work item.

S24_006_54500_BJA_1224_282

WORK ITEM 3: Sewage Piping, Renew

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew two sections of sewage piping in the 42-man berthing area (2-13-2-L).

1.2 Government-furnished property.

None

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 282-WMEC-505-001, Rev A, CG Conversion Mods to Plumbing System and Gray Water

Coast Guard Publications Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2024, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2024, Welding and Allied Processes Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2024, Requirements for Preservation of Ship Structures Other References None

3. REQUIREMENTS

3.1 General.

3.1.1 CIR. The Contractor must submit a CIR for the inspections listed in the following paragraph(s):

None.

3.1.2 Tech Rep.

None.

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:

· Piping from other systems

· Shower panels

· Synthoglass temporary patch around piping.

3.1.5 Waste Removal. The Contractor must dispose of residual fluids in compliance with all applicable Federal, state, and local laws, ordinances, regulations and SFLC Standard Specification 0000. Notify the technical representative (in writing) at least 5 days prior to removal of wastes and fluids. Document a complete chain of custody record of the removed contents and generated wastes, from the vessel to the point of final destination or delivery. Submit document to the technical representative upon completion of work.

3.1.6. The Contractor must provide at least 72 hours of notice before starting this work.

3.1.7. The Contractor must mark the areas that will be cropped prior to removing the piping.

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.

3.3 Grey Water Piping. The Contractor must crop and renew 10 linear feet of vertical piping (Piece 85, CG Drawing 282-WMEC-505-001) and a sil-brazed elbow (Piece 85, CG Drawing 282-WMEC-505-001).

3.3.1. Conduct all hot work and NDE in accordance with SFLC Standard Spec 0740

3.3.2. This pipe is shown on Sheet 4 of CG Drawing 2892-WMEC-505-001 and in Figure 1.

3.4 Sewage Water Piping. The Contractor must crop and renew 10 linear feet of vertical sewage piping behind the water closets along Frame 20 on the starboard side in the 42-man berthing area (2-13-2-L).

3.4.1. Conduct all hot work and NDE in accordance with SFLC Standard Spec 0740

3.4.2. This pipe is shown not shown accurately on CG Drawing 282-WMEC-505-001. It is the “Up to 01 Dk Sew Disch Deck Con” pipe on Section 31-B, Sheet 4, CG Drawing 282-WMEC-505-001, but the location of that pipe is in the Starboard Aft corner of that space behind a shower. The location of that shower is also not shown accurately in that drawing. The material of the piping is the same as Piece 85 of CG Drawing 282-WMEC-505-001.

3.4.3. One side of the shower wall must be removed to access this pipe. See Figure 3.

3.5. Flush. The Contractor must clean and flush new and disturbed piping in accordance with Paragraph A2.6.5 of SFLC Std Spec 0740.

3.5.1 Dispose of flushing fluid in accordance with paragraph 3.1.5.

3.5.2 Do not drain any fluids, including fresh water, into any space, bilge or exterior location.

3.6 Hydrostatic test. After all authorized repairs, the Contractor must hydrostatically test all welds in the steam system in accordance with SFLC Std Spec 0740, Appendix C, Hydrostatic Test with 50 psi. Ensure zero leakage from or permanent deformation of pressure-containing parts by repairing all leaks, deformations, and discrepancies. Submit a CFR.

3.7 Leak test. After completing all authorized mechanical (i.e. threaded, bolted, etc.) joint repairs, the Contractor must test the steam system operation using the system fluid at normal operating pressure. Ensure zero visible leakage from or deformation of mechanical parts by repairing all leaks and discrepancies. Submit a CFR.

3.8 Operational test, final. Upon completion of work, the Contractor must witness Coast Guard personnel perform an operational test of all items or shipboard devices that were disturbed, used, repaired, or altered, to demonstrate existing operational condition. Submit a CFR.

3.9 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. Grey Water Piping to be cropped and renewed

Figure 2. Sewage water piping to be cropped and renewed (behind shower)

Figure 3. Shower Panel in way of sewage piping image3.png image4.png image1.png image2.png