HOSES SOW.docx

STATEMENT OF WORK (SOW)

FOR

U.S. Coast Guard SBPL Alameda 1 Eagle rd Alameda, CA 94501

1. SCOPE:

The objective of this contract is to obtain professional custom fabrication, assembly, and fitting services for new marine hoses for the Over The Horizon - IV (OTH MK4) and Long Range Interceptor (LRI) vessels. This includes marine gear hoses, engine hoses, and fuel service line hoses. All services must be performed to Original Equipment Manufacturer (OEM) and Maintenance Procedure Card (MPC) specifications to ensure optimal system pressure, leak-free performance, and maritime safety compliance. Note: The MPC does not state the actual hose lengths; therefore, all newly created hoses must be measured and referenced directly from the present (existing) hoses. Assest is unavailbe to leave base, reference must be performed on location

2. COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK:

Upon acceptance, the contractor shall commence work within 02 days and work diligently to complete the entire project and have the fabricated hose assemblies ready for delivery or installation by 02 working days.

3. INFORMATION AND REQUIREMENTS:

Marine Hose and Fitting Fabrication

SCOPE OF WORK:

A. PRELIMINARY STEPS

WARNING: VARIOUS STEPS IN THIS PROCEDURE MAY INVOLVE HIGH-PRESSURE TESTING EQUIPMENT OR SHARP EDGES. OBSERVE ALL SAFETY PRECAUTIONS WHEN WORKING WITH EQUIPMENT WITH SHARP EDGES. FAILURE TO COMPLY MAY RESULT IN SERIOUS PERSONAL INJURY. BEFORE EXECUTING THIS TASK, ENSURE ALL SAFETY AND HANDLING PROCEDURES ARE FOLLOWED.

· NOTE: All fabricated hoses and fittings must be marine-grade and comply strictly with the exact material and safety specifications outlined on the applicable MPC.

· Identify and verify the required hose lengths, internal/external diameters, pressure ratings, and fitting types required for the specific LRI and OTH systems.

B. SCOPE OF WORK (Fabrication, Assembly, & Testing)

1. Move hose to work space.

2. Inspect existing hose fittings visually for the following:

· (1) Burrs.

· (2) Stripped threads.

· (3) Bends.

· (4) Mushroomed areas.

3. Inspect all fuel service lines and fittings, for the following:

· a. Correct hose.

· b. Chaffing.

· c. Splits.

· d. Holes.

· e. Bulges.

· f. Leaks.

· g. Proper fittings.

· h. Loose fittings.

· i. Loose connections.

4. Remove fittings from old hose.

· a. Hold fitting socket in a bench and machine table vise.

· b. Insert hose assembly tool into swivel end of fitting.

· (1) Use assembly tool for 3/8 inch hose.

· (2) Use assembly tool for 1/2 inch hose.

· NOTE: There is no torque value required, do not over tighten.

· c. Tighten assembly tool into swivel end of fitting.

· d. Remove swivel and assembly tool from socket and hose turning counterclockwise.

· (1) Leave swivel and assembly tool together for reinstallation.

· NOTE: The socket is reverse threaded.

· e. Remove socket from hose by turning clockwise.

· f. Remove hose from vise.

· g. Repeat Steps to remove fitting from other end of hose.

· h. Retain fittings for reinstallation.

5. Measure length of old hose using a measuring tape.

· a. Save old hose as a template for length of new hose. (Reference from present hose as stated in Scope).

6. Cut a correct length of hose using a metal cutting handsaw from the following:

· a. Hose, nonmetallic

· b. Hose, nonmetallic

· c. Hose.

7. Replace fittings with elbow pipe to tube and ferrule.

8. Install fittings on new hose.

· a. Remove any burrs on inside of cut edge of hose with craftman’s knife.

· b. Position hose in vise.

· NOTE: The socket is reverse threaded.

· c. Install socket on hose by turning counterclockwise with a wrench.

· (1) Turn socket until it bottoms out on hose.

· (2) Turn socket back 1/4 turn.

· d. Mark hose using a pen. Lubricate swivel and assembly tool and inside of hose with general purpose lubricating oil.

· NOTE: Maximum allowable gap between swivel and socket is 1/16 inch.

· e. Lightly lubricate fittings using lubricating oil.

9. Install swivel and assembly tool into hose and socket until swivel almost touches socket.

· a. Ensure hose does not turn inside socket during installation of swivel.

10. Check hose for push out.

· a. Ensure socket is still at pen mark made previously.

11. Remove assembly tool from swivel with two wrenches.

· a. Verify swivel moves freely.

12. Install new hose assembly.

· a. Tighten both end fittings hand-tight.

· b. Ensure there are no twists or kinks in hose.

· NOTE: There is no torque value required, do not over tighten.

· c. Tighten hose fitting.

13. Install hose on to the marine gear lower fitting.

· (1) Tighten fitting to 45 ft-lb using a torque wrench.

14. Fabricate, assemble, and replace the following specific hoses (Repeat replacement procedures for each):

· a. Hose from the sea chest to the fuel oil cooler.

· b. Hose from the fuel oil cooler to the bulkhead fitting.

· c. Hose from the bulkhead fitting to the sea strainers.

· d. Hose from the sea strainers to the bulkhead fitting.

· e. Hose from the bulkhead fitting to the raw water pump.

· f. Hose from the raw water pump to the aftercooler preformed hose.

· g. Hose from the aftercooler to the marine gear lube oil cooler preformed hose.

· h. Hose from the marine gear lube oil cooler to the heat exchanger preformed hose.

· i. Hose from the heat exchanger to the exhaust riser nonmetallic hose.

· j. Crankcase breather preformed hose.

· k. Lube oil filter inlet from lube oil cooler nonmetallic hose assembly.

· l. Lube oil filter hose outlet to lube oil cooler nonmetallic hose assembly.

· m. Hose from the air box to the aftercooler preformed hose.

· n. Hose from the turbocharger to the air cleaner adaptor preformed hose.

· o. Hose from crankcase filter to air inlet nonmetallic hose.

· p. Turbocharger to heat exchanger water preformed hose.

· q. Heat exchanger overflow preformed hose.

15. Fabricate new Fuel Service Line Hoses.

· Assemble compliant, fire-resistant fuel service lines.

· Install secure fittings to ensure safe, leak-free fuel transfer from storage tanks to engine components.

16. Perform hydrostatic pressure and leak testing of all completed hose assemblies to OEM and MPC certified levels.

· The contractor shall supply all necessary test benches, fittings, connectors, adapters, test plugs, and safety enclosures required to safely pressurize and isolate the hoses during testing.

4. CONDITIONS AFFECTING THE WORK:

5.

If additional work items are found, Contractor shall report findings immediately before work continues via CFR along with commercial estimate of necessary work to be completed outside the original SOW.

6. AFTER AWARD OF THE CONTRACT:

The contractor must immediately notify the contracting officer’s representative of their intended start date. The work shall be done in accordance with the specification.

7. ORAL MODIFICATION:

No oral statement of any person other than the contracting officer shall in any manner or degree, modifies or otherwise affect the terms of this contract.

8. WORKMANSHIP:

All work shall be accomplished with the best standard practices, and by workmen thoroughly experienced in the required trades. The work shall be supervised by experienced personnel and shall be satisfactory to the Contracting Officer Representative (COR).

9. PERMITS:

The contractor shall without additional expense to the government, obtain all appointments, licenses, and permits required for the prosecution of the work. The contractor shall comply with all applicable federal, state, and local laws.

10. CLEAN UP:

All HAZWASTE, trash and debris shall be removed from the site and or recycled as applicable. The job site shall be left in a clean and neat manner.

11. UPON COMPLETION OF WORK:

Contact the COR to arrange for inspection/acceptance of work.

12. POINTS OF CONTACT:

Unit Contacts:

CWO Ricardo Sotelo SBPL ALameda Phone: 310-982-3894

E-mail: Ricardo.e.sotelo@uscg.mil