SOW.doc

USNS Catawba

( TATF 168 )

1.0 ABSTRACT

1.1. This item describes the requirements to provide the OEM service technicians to open and inspect the port and starboard main reduction gears, replace the port and starboard clutch assemblies, and to replace the Port and STBD reduction high speed pinion bearings and associated components.

2.0 REFERENCES/ENCLOSURES:

2.1. Reference: Reduction Gear Technical Manual: L-T0330-MMA-010_0_0

2.2. Enclosure: Contractor Furnished Materials – Falk (list is attached at the end of this work specification)

3.0 ITEM LOCATION/DESCRIPTION/QUANTITY

3.1. Location/Description/Quantity:

3.1.1 Location: Main engine room.

3.1.2 Quantity: One (1) – Port Falk 3035 MVL-C Reduction Gear Assembly.

One (1) – Starboard Falk 3035 MVL-C Reduction Gear Assembly.

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES:

4.1. Reduction Gear, Refill fluids.

4.2. MSC shall coordinate transport/shipping of Contractor Furnished Materials (CFM) (ref para 2.2) and the contractor’s tools from the contractor’s shop to the vessel located OCONUS. MSC shall coordinate return transport/shipping of the contractor’s tools from the vessel (OCONUS) back to the Contractor’s shop after completion or work activities.

4.3. Shipyard support to be provided to the tech reps: Support services shall include crane services, rigging services, hatch/access openings and closures, and general labor support for removal of interferences.

5.0 NOTES:

5.1. Any Additional growth work identified, must be approved by the MSC contracting officer in writing before start of the additional work.’

5.2. Contractor must provide a master inventory list of all items being shipped (materials and tools). The list must provide P/N, item description, item unit (each, kit, etc…) and cost/value for each item. Contractor must provide an inventory of parts located in each crate/box/package used for shipping the materials. Crating/packaging of materials must be suitable for overseas delivery.

6.0 QUALITY ASSURANCE REQUIREMENTS

6.1. All work and materials must meet all applicable ABS/USCG rules and regulations.

6.2. All work shall be in accordance with the original equipment manufacturer’s specifications. All parts replaced must be OEM parts.

7.0 STATEMENT OF WORK REQUIRED

7.1. Provide the services of Two (2) Authorized Falk OEM Service Technicians to open and inspect the Port and Starboard main reduction gear, renew the Port and Starboard clutch assemblies and Replace all High-speed bearings and seals.

7.2. Period of Performance (POP): 01 OCT 2018 to 21 OCT 2018. Location of the Vessel: Jebel Ali, UAE.

7.3. CFM/Tools/Shipment:

7.3.1 Contractor Furnished Materials (CFM): The OEM must procure and provide FALK OEM parts listed under paragraph 2.2 - Entitled “Enclosure: List of Contractor Furnished Materials – Falk”. The materials must be packaged, sealed/preserved and secured in packing suitable for overseas shipment.

7.3.2 Tools: OEM shall supply all general and specialized tools needed to complete all work listed in this work specification. Tools to be used overseas onboard the ship, must be packaged, sealed and secured in packaging suitable for overseas shipment.

7.3.3 Shipment of the Contractor Furnished Parts (CFM) and Tools: Contractor to contact MSC LOGISTICS REP to coordinate pick up instructions of the CFM and tools. MSC will pick up the CFM and tools directly from the contractor’s facility and transport to the vessel (OCONUS), reference paragraph 4.2 and paragraph 5.2; Upon completion of all work, MSC shall to coordinate return shipping/transport of vendor’s tools from the vessel (OCONUS) back to the contractor’s shop.

7.4. The Falk OEM Tech Reps must be present for completion of all work and testing activities.

7.5. During completion of work activities including inspections, repairs and any testing, if additional work, repairs and or materials are found needed to repair/restore the system and is not included in this original work specification requirements; the additional items/repairs needed shall be considered as growth work. The contractor shall provide to the MSC Port Engineer, a condition report detailing the additional requirements needed.

7.6. The OEM shall procure and install the Contractor Furnished Material listed under paragraph 2.2 for renewal of the port and starboard clutch assemblies and renewal of the reduction gear high-speed bearings and seals.

7.7. Prior to start of work, conduct a blue test of the Port and Starboard red gear teeth surface contact areas.

7.8. The OEM reps shall coordinate with the chief engineer to tag out and lock out the Port and Starboard main reduction gears as needed for completion of work activities.

7.9. The OEM shall inspect the Port and STBD reduction gear assemblies.

7.10. During completion of work, the tech reps shall measure and record all bearing bores, bearing journals and seal surfaces.

7.11. The OEM shall remove and disassemble the Port and Starboard reduction gear clutches and pilot bearing assemblies and renew with new Contractor Furnished Parts (ref para 2.2).

7.12. Disassemble the Port and Starboard gear case and remove the high speed gear assembly units. Place the high speed assembly units on dunnage and move out of the way.

7.13. Disassemble the Port and Starboard reduction gear High Speed assembly units and inspect for signs of wear and scoring. The tech reps shall measure and record the Port and Starboard reduction gear high speed bearing bores and compare to manufacturers specification. Provide a condition report to the chief engineer and the MSC Port Engineer. Reassemble the port and starboard high-speed gear assemblies with new CFM provided parts (see para 2.2).

7.14. After removal and inspection of the high-speed assemblies, visually inspect the Port and Starboard reduction gear Low Speed system. Inspect low speed bearings for signs of wear and corrosion. Tech Reps shall measure and record the Port and Starboard reduction gear high speed bearing bores and compare to manufacturers specification. Provide a condition report to the chief engineer and the MSC REP. Capture all signs of wear, corrosion and conditions via digital media and provide condition report to the chief engineer and the MSC Port Engineer.

7.15. OEM shall reassemble the port and starboard reduction gear completely with new contractor provided seals (ref para. 2.2), and measure and record all final bearing end play and thrusts.

7.16. Refill the Port and Starboard reduction gear systems with new fluids. Refill fluids will be provided by Ship’s Force as Government Furnished Material.

7.17. After reassembly of the Port and Starboard Reduction Gear system, check and verify for proper reduction gear to engine alignments. Dock trail test system, run engines and clutch in at no load with zero pitch, blue test gear surface contact areas. Observe for any unusual noise and monitor system pressures and temperatures.

7.18. After successful completion of testing of the Port and Starboard reduction gear system, test operate the Port and STBD systems in the Presence of the attending ABS/USCG representatives.

7.19. Conduct an at sea trial test at full pitch for a maximum of 4 hours. Both tech reps will be required to attend during the sea trial evolution.

7.20. Final Report: Submit electronic report to MSC Port Engineer documenting all work, repairs and testing activities completed.

8.0 GENERAL REQUIREMENTS: None additional.

ENCLOSURE 2.2: List of Contractor Furnished Materials - Falk

Qty Part #

Description (2) 921560

Bearing L.S. FWD

(2) 919684

Bearing L.S. Aft.

(2) 919683

Bearing, H.S.

(2) 919680

Bearing, H.S

(2) 912578

L.S. FWD Seal

(2) 912809

L.S. Aft. Seal

(2) 912767

H.S.FWD Seal

(2) 919332

Bearing

(2) 1134228

Pin, Bearing

(4) 10324467

Falk ABS 35" Clutches

(4) 1155731

Pipe Assy.

(2) 1155732

Air Shaft Drive Stud

(4) 927094

O-ring #227

(2) 913512

Grease Fitting

(4) 900324

Socket Head Screw 10-24x3/4

(4) 913964

Hose Adapter

(12) 905001

Hex Nut 5/16-18

(12) 119361

Stud

(12) 906207

Washer 5/16 inside Star Lock

(4) 930860

Grove Pin

(64) 905283

FAS Nyloc Nut 3/4-10

(32) 900174

Bolt 3/4-10x2

(32)

900249FAS

Bolt 3/4-10x3 1/2

(4)

20260FLK

Hose

(2) 333957

Sleeve

(2) 333955

Pilot Bearing Cage

(16) 901304

Drilled Bolt 5/8-11x1 1/4

(16) 901305

Drilled Bolt 5/8-11 x 1 3/4

(2) 919687

Bearing

(2) 1201391

Oil Retainer Spacer

(4) 1146628

Oil Retainer Gasket

(4) 900324

Socket Head Screw 10-24 x 3/4

(2) 1155515

Locating Pin

List continued on next page…

(2) 912758

Oil Seal (2) 917048

Snap Ring

(20) 912741

Oil Seal

(2) 117525

Rotor Seal Gasket

(2) 912548

Oil Seal

(2) 919279

Bearing

(+2) 1146627

Retainer Gasket

(2) 912520

Deublin Union

(24)

BD1535-1

Brake Cleaner

(1) N/A

Aviation Sealer

(1) N/A

Loctite -515

End of Material List

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