A1 - SSTG Repair Errata 2 Work Package.pdf

THIS PERMANENT CHANGE UPDATES THE SPECIFICATION BID PACKAGE.

SHIP: USS ILLINOIS (SSN 786)

HRMC-504-24

ERRATA NUMBER:

SPECIFICATION NUMBER:

THE FOLLOWING ITEMS ARE REPLACED:

311-10-001

DATED: 10/24/2023 9:00:48PMPage 1 of 1 luz.thibeau Highlight

SHIP: USS ILLINOIS (SSN 786) ITEM NO: 311-10-001 (E2)

COAR: 26 PCN: EE01-L007

EE01-L008

CMP: NONE

PLANNER: UMHOLTZ, PAUL

DEFRIES, JACOB

SSP: HRMC-504-24 1 of 3 ITEM NO: 311-10-001

ERRATA NO. 2

1. SCOPE:

1.1 Title: No. One and No. 2 Ships Service Turbine Generator (SSTG);

repair

1.2 Location of Work:

1.2.1 Engine Room

1.3 Identification:

1.3.1 Quantity: (One EA), No. One, SSTG, Mfr: Northrop Grumman

1.3.2 Quantity: (One EA), No. 2, SSTG, Mfr: Northrop Grumman

2. REFERENCES:

2.1 Standard Items, FY-24

2.2 S9311-DE-MMO-010, Turbine Generator Set Technical Manual

2.3 6511E72, Steam Turbine Generator Assembly

2.4 S9G-N3B-TG-2.1, TG SETS, GDEB TEST PROCEDURE

2.5 1TS-3835, VACL SSTG Field Service THR Tuning Procedure

2.6 6511E83C, Housing, Thrust Bearing Machining THP

2.7 SHIPALT 4950D, SSTG Mag Bearing Axial Sensor and Wirewell Mod

3. REQUIREMENTS:

3.1 Accomplish the requirements of 009-90 of 2.1, for the disassembly, inspection, and repair of the equipment listed in 1.3.1 and 1.3.2, for the location listed in 1.2.1. See Note 4.1.

3.1.1 Provide the services of a qualified Original Equipment

Manufacturers (OEM) representative to disassemble, clean free of corrosion, and inspect, the No. 1 Turbine High Pressure (THP) bearing assembly, THP Radial Rotor, Turbine Low Pressure (TLP) Bearing Assy, Generator Coupling End (GCE) Bearing Assy, Turbine to Generator Coupling, Thrust Rotor, inboard and outboard Thrust Stator Assembly of the equipment listed in 1.3, for signs of overheating or defects, in accordance with the requirements of 2.2, 2.3, and OEM proprietary drawings and specifications. Record the inspection results.

3.1.1.1 Submit one legible copy, in approved transferrable

media, of a report listing results of 3.1.1 to the SUPERVISOR.

3.2 Provide 30 days of technical assistance to PHNSY in support of Catcher Bearing removal and reinstallation for the equipment listed in

1.3. Catcher Bearing work to be performed by PHNSY shipyard personnel.

(E2)

3.3 Remove existing Thrust Bearing Housing from the equipment listed in

1.3 and air freight to the OEM facility listed in 4.2 for modification in accordance with OEM proprietary drawings and specifications. Upon completion of modification return to PHNSY via air freight.

(E1)

3.3.1 Accomplish Thrust Bearing Housing air flow modifications in (E1) luz.thibeau Highlight luz.thibeau Highlight

SSP: HRMC-504-24 2 of 3 ITEM NO: 311-10-001

ERRATA NO. 2

accordance with the requirements of 2.6 and OEM proprietary drawings and specifications.

3.4 Remove existing and install new material listed in 4.5, in accordance with the requirements of 2.2, 2.3 and OEM proprietary drawings and specifications.

(E1)

3.4.1 Accomplish the requirements of 2.7 for the equipment listed in

1.3 and located in 1.2.

(E1)

3.4.2 Accomplish in-place machining and grinding to final finish, the THP Radial Rotor and Sensor target area in accordance with the requirements of 2.2, 2.3, and OEM proprietary drawings and specifications. Record final dimensional readings.

(E1)

3.4.2.1 Submit one legible copy, in approved transferrable

media, of a report listing results of 3.3 to the SUPERVISOR.

(E1)

3.5 Provide a letter which gives permission to Pearl Harbor Naval Shipyard Radiological personnel to monitor the radiation exposure of NORTHROP GRUMMAN personnel involved in the SSTG Dynamic Tuning evolution.

See Note 4.4.

(E1)

3.5.1 Provide a report listing the NORTHROP GRUMMAN personnel who will be involved in the SSTG Dynamic Tuning evolution, and their current level of radiation exposure.

(E1)

3.5.1.1 Submit one legible copy, in approved transferrable

media, of a report listing the requirements of 3.4 and 3.4.1, to the SUPERVISOR, one week prior to SSTG Dynamic Tuning.

(E1)

3.6 Accomplish SSTG Static Tuning, grooming, and SSTG testing in accordance with the requirements of 2.2 through 2.5, and OEM proprietary drawings and specifications. Record the results.

(E1)

3.6.1 Submit one legible copy, in approved transferrable media, of a report listing the requirements of 3.5 to the SUPERVISOR.

(E1)

3.7 Accomplish SSTG Dynamic Tuning and micro-balancing in accordance with the requirements of 2.2 through 2.5, and OEM proprietary drawings and specifications. Record the results. See Note 4.3.

(E1)

3.7.1 Submit one legible copy, in approved transferrable media, of a report listing the requirements of 3.6 to the SUPERVISOR.

(E1)

3.8 Upon completion of work, submit one legible copy, in approved transferrable media, of a report certifying all work has been completed.

(E1)

4. NOTES:

4.1 Known source for OEM qualified Technical Representative:

NORTHROP GRUMMAN MARINE SYSTEMS

401 E HENDY AVE

SUNNYVALE, CA 94086

Point of contact:

- Paul Bunkers, Northrop Grumman Marine Systems Manager

Cell: 757-513-7856, Email: paul.bunkers@ngc.com

- Eric Beyer, Northrop Grumman Field Service Manager

Cell: 908-635-9290, Email: eric.beyer@ngc.com luz.thibeau Highlight

SSP: HRMC-504-24 3 of 3 ITEM NO: 311-10-001

ERRATA NO. 2

4.2 Northrop Grumman Shipping Address:

NORTHROP GRUMMAN

ATTN: CHRIS MORT

500 E CALIFORNIA AVE

SUNNYVALE, CA 94086

Phone: 408-735-2490

4.3 PHNSY Shipping Address:

PEARL HARBOR NAVAL SHIPYARD & IMF

667 SAFEGUARD ST, BLDG 167 RECEIVING

JBPHH, HI 96860

ATTN: 786 SSTG, Paul Umholtz PHNSY C420, Phone: 808-726-0698

4.4 SSTG Dynamic Tuning requires reactor plant operation. NORTHROP GRUMMAN personnel are required to wear a thermo luminescent dosimeter (TLD) device during this evolution.

4.5 Bill of Materials furnished on Contract No. N32253-22-C-0011.

4.6 All interference shall be removed by ships force and PHNSY & IMF as required.

4.7 PHNSY & IMF shall provide all rigging and crane service as required.

4.8 PHNSY & IMF and ships force shall be responsible for the disposal of all solid and liquid waste generated during the execution of this contract.

5. GOVERNMENT FURNISHED MATERIAL(GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

5.3 KITTED MATERIAL:

1. None.