SOW.doc

USS MOUNT WHITNEY

(LCC-20)

MACHINERY, AUXILIARY

N32205-19-R-XXXX

11 SEPTEMBER 2019

WORK ITEM NO. 501 CATEGORY "A"

MSC N754/BARTON/DLB

SSTG TURBINE ROTOR BALANCE (ABS)

1.0 ABSTRACT:

1.1 This item describes the requirement to procure and install a high coupling on the spare SSTG Steam Turbine Rotor and accomplish high speed balance of assembly.

2.0

REFERENCES/ENCLOSURES:

2.1 Technical Manual S9311-BP-MMM-010, Turbine Generator Units; 2000KW AC Geared 2.2

3.0

ITEM LOCATION/DESCRIPTION/QUANTITY:

3.1 Equipment:

3.1.1 SSTG Turbine (1 ea.):

Mfr: Worthington Corporation

Model: LJ106200 Drawing: LJ106200 3.2 SSTG Turbine Rotor Rotor:

PIECE#

QTY

DESCRIPTION

PART #

1 1

TURBINE ROTOR ASSEMBLY

LH-106220

3.3 SSTG Turbine High Speed Coupling:

PIECE#

QTY

DESCRIPTION

PART #

SSTG HIGH SPEED TURBINE

CC-74757

COUPLING DRAWING C-36037

4.0 GOVERRNMENT FURNISHED MATERIAL/SERVICES:

4.1 Government furnished Material:

4.1.1 SSTG Turbine Rotor Rotor:

PIECE#

QTY

DESCRIPTION

PART #

1 1

TURBINE ROTOR ASSEMBLY

LH-106220

5.0 NOTES:

5.1 All material listed in 3.2 is currently located at the MSC W-143 Warehouse. The government will ship the material to the Contractor’s Repair Facility. Once the repairs are complete the Government will arrange for shipment of the material from the Contractor’s Facility back to the MSC W-143 Warehouse.

6.0

QUALITY ASSURANCE REQUIREMENTS:

6.1 The requirements of this Work Item shall be accomplished to the satisfaction of the MSCREP.

6.2 The requirements of this Work Item shall be accomplished in accordance with current ABS Regulatory Body rules and regulations.

7.0 STATEMENT OF WORK:

7.1 Arrangement/Outfitting:

7.1.1 Contact the MSCREP (David Barton, (757) 462-2539, david.barton1@navy.mil) to make arrangements for shipment of the materials from the W-143 Warehouse to the contractors facility. Provide the following information:

RMA # (if required)

Delivery Address Point of Contact

Phone # for Point of Contact

Hours of operation for the Receiving Facility.

7.1.2 When repairs are complete, separately package each item for long term storage. The shipping containers shall meet the requirements for overseas shipment.

7.1.2.1 Fabricate and install a label on each side and top of each shipping container with the following information:

MSC LCC CLASS VEESSEL SHORE BASE SPARES

REQUISITION #: N21637_________

(Quantity) Description of Contents

WEIGHT: ____ LBS

CUBE: __” X __” X __”

7.1.3 Noltify the MSCREP (David Barton, (757) 462-2539, david.barton1@navy.mil) when all items are ready for return shipment. Provide the following information:

Pickup Address

Point of Contact

Phone # for Point of Contact

Hours of Operation for Pickup Facility Weight of each Item to be Shipped

Cube of each Item to be Shipped

7.2 Mechanical:

7.2.1 Clean all items listed in 3.2 for inspection using Reference 2.1 for guidance.

7.2.2 Accomplish a detailed inspection of each item listed in 3.2 for the suitability of further service using References 2.1 and 2.2 for guidance.

7.2.3 Submit a typed written report to the MSCREP listing the results of the inspections accomplished in 7.2.2. The report shall provide the “As Found” conditions for each item listed in 3.2. Identify any descrepancies found.

7.2.4 Provide and install the high speed coupling listed in 3.3 using Reference 2.1 for guidance.

7.2.5 When all repairs are complete accomplish a high speed balance of the Turbine Rotor to full design operational speed using Reference 2.1 for guidance. The high speed balance shall be witnessed by the MSCREP and ABS Surveyor.

7.2.5.1 Set the High Speed Trip Mechanism during the accomplishment of the High Speed Balance using Reference 2.1 for guidance.

7.2 Documentation:

7.3.1 Submit a typed written report to the MSCREP to supliment Reference 2.2 that provides the “As Released” condition for each item listed in 3.2 (with photographs) recording all conditions, balancing, alignments, clearances, post repair test results and verification of Class “A” Condition ready for Issue.

7.4 Manufactures Representative:

7.4.1 Provide the services of an MSC N7 Recogonized Repair Facility to accomplish the requirements of this work item. The following are MSC N7 Recogonized Repair Facilities for the requirements of this work item:

Cutriss-Wright

1101 Cavalier Blvd

Chesapeake, Virginia 23323

POC: Bryan Murphy

Phone: (757) 592-0973

E-mail: bryan.murphy@siemensgovt.com MI-Tech Inc.

6685 Jet Park Road

North Charleston, SC 29406 POC: Bill Totten

Phone: (843) 553-2743

E-mail: bill@mi-tech.net PJ Schwalbenberg & Associates Inc

26 Spear Mill Road

Cushing, Maine 04563

POC: Pete Schwalbenberg Phone: (207) 354-0700

E-mail: office@turbinesandgears.com

8.0 GENERAL REQUIREMENTS: NONE

501-4