SOW_CHOCTAW_COUNTY_6125_4141.docx

USNS CHOCTAW COUNTY

(EPF 2)

SO-16-021

30 April, 2016

STERN RAMP MAINTENANCE, REPAIRS, and TESTING

1.0 ABSTRACT

1.1 Provide the services of an OEM OLDENBURG service engineer to perform annual maintenance and carry out the work identified below.

2.0 REFERENCES:

2.1 ENCLOSURE ONE, List of GFM parts.

2.2 OLDENBURG CFR2016-006.

3.0 ITEM LOCATION/DESCRIPTION

3.1 Location/Quantity

3.1.1 Stern Ramp/ Oldenburgh Group Incorporated, Kingsford, Michigan.

3.1.2 Oldenburgh Stern Ramp Model A07364 JHSV Class

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICE:

4.1 Government Furnished Material (GFM):

4.1.1 Parts listed in ENCLOSURE ONE attached.

4.1.2 PARKER Hydraulic Hoses, or equal.

4.1.3 Parts for Brake Gage.

5.0 NOTES:

5.1 Ramadan will be going on during the first three weeks of the yard period.

5.2 Work will be conducted in the dry dock with ramp supported by blocks approx. 20 feet above dock floor.

6.0 QUALITY ASSURANCE REQUIREMENTS: None additional.

7.0 STATEMENT OF WORK REQUIRED:

7.1 Provide the services of an OLDENBURG authorized service engineer to carry out this work.

7.2 Period of Performance 12 June – 26 July. Location:

Shipyard in Kuwait, Duqm, Oman, Bahrain, or Dubai,UAE.

Provide separate quotation for each location.

7.3 Perform the O.E.M Annual Maintenance and inspection of the stern ramp.

7.4 Ensure the shipyard carries out the following work according to OEM requirements.

7.4.1 Drain and Replace Gear Box Lubricant. Provide two samples to Chief Engineer.

7.4.2 Install the GFM parts Perform listed in Paragraph 4.1. Verify the shipyard correctly install the parts.

7.4.3 Perform lubrication of the Slew Bearing and Ramp Sheaves.

7.4.4 Clean and inspect hydraulic cylinders, hydraulic hoses, and lubricate ramp sheaves.

7.4.5 Grease fittings and lube points, clean hydraulic rams, and inspect seals.

7.4.6 Verify the shipyard replaces ramp hoses in kind with clean hoses. Anticipate 95 percent of the hoses to be replaced.

7.4.7 Verify the shipyard cleans, prepares, and paints the steel surfaces of the hydraulic winch, two (2) Main Hydraulic Cylinders, two (2) flap cylinders, and two (2) link assemblies . Coating shall be one coat of primer and one coat of epoxy haze gray International Paint to match surroundings.

7.4.8 Verify the shipyard correctly installs hydraulic hose and gage on winch brake.

7.4.9 The shipyard will erect one level of approximately 10 feet high staging to remove one bent sheave weldment and install one GFM) aluminum sheave weldment by welding, verify sheave is correctly installed.

7.4.10 Spot locations on the stern ramp for the shipyard to install 4 aluminum GFM padeyes by welding. Verify padeyes are correctly installed.

7.4.11 Assist shipyard set up for rocking test for ABS.

7.5 Correct sticking lever on HAWE manual operation block identified in CFR2016-006.

7.6 Correct bypass in the extension Ramp Valve signified by high pitch noise identified in CFR2016-006.

7.7 Provide test procedure for testing the 4 lifting padeyes, witness testing by the shipyard.

7.8 Complete all OEM annual maintenance requirements.

7.9 Provide technical advice pertaining to the stern ramp to the Port Engineer and Chief Engineer.

7.10 Ensure the shipyard carries out growth work found during the course of repairs according to OEM requirements.

7.11 Inspect ramp repairs, conduct operational test, and commission repairs.

7.12 Provide service report to the Port Engineer stating conditions found, work carried out listing parts installed, test results, and recommendations for future work to the Port Engineer with copy to Chief Engineer.

8.0 General Requirements: None additional.

SO-16-021-3