ML18024B533

PSEG Pre-Submittal Meeting with NRC, January 24, 2018 - Hope Creek Emergency Diesel Generator (EDG) Technical Specification Action

ML18024B533
Person / Time
Site:	Hope Creek
Issue date:	01/24/2018
From:	Public Service Enterprise Group
To:	Division of Operating Reactor Licensing
Parker C, NRR/DORL/LPLI-II, 415-1603
References
EPID L-2018-LRM-0001
Download: ML18024B533 (9)

Text

Hope Creek Emergency Diesel Generator (EDG) Technical Specification Action PSEG Pre-Submittal Meeting with NRC, January 24, 2018

PSEG Pre-Submittal Meeting with NRC, January 24, 2018 Meeting Purpose Describe future license amendment request Establish common understanding of scope of request Establish a common understanding of schedule Obtain NRC feedback 2

PSEG Pre-Submittal Meeting with NRC, January 24, 2018 Current Licensing Basis With A or B Emergency Diesel Generator (EDG) inoperable, TS 3/4.8.1.1 Action b.2:

a)

Restore inoperable EDG within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, or b)

Verify Salem Unit 3 gas turbine generator (GTG) available within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> and once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> thereafter and restore inoperable EDG within 14 days.

For planned or emergent maintenance 3

PSEG Pre-Submittal Meeting with NRC, January 24, 2018 Proposed Change Remove Salem Unit 3 (gas turbine generator) from TS 3/4.8.1.1 Action b.2.b and replace with portable diesel generators.

No changes to allowed outage times (AOTs).

For planned or emergent maintenance 4

PSEG Pre-Submittal Meeting with NRC, January 24, 2018

Background

Hope Creek Station Blackout Licensing Basis

• Four hour coping duration Amendment No. 188 (November 2011), ML110610501

• Approval Extended A and B EDG AOTs to 14 days, provided Salem Unit 3 verified available.

Salem Unit 3

• Required as defense-in-depth

• Assumed to be unavailable in the base model used to develop risk metrics for extended AOT

• Able to start and run all 4.16 KV motors attached to typical 4.16 kV 1E station bus

• Three hours to supply power to 1E bus 5

PSEG Pre-Submittal Meeting with NRC, January 24, 2018 Planned Alternate AC Source for Extended AOT Portable EDGs maintained onsite 3 x 1500kW Rated EDGs

• Greater than the HC 4.16kV 1E 60 minute load requirements

• Sufficient capacity to carry all LOOP loads to bring unit to cold shutdown.

Three hours to supply power to 1E bus

• Consistent with current licensing basis Availability verified within 30 days 6

PSEG Pre-Submittal Meeting with NRC, January 24, 2018 License Amendment Request Scope Assess conformance of proposed alternate AC source to NUREG-0800, Branch Technical Position 8-8, Onsite Emergency Diesel Generators (EDGs) and Offsite Power Sources Allowed Outage Time Extensions No changes to risk-informed allowed outage times For planned or emergent maintenance 7

PSEG Pre-Submittal Meeting with NRC, January 24, 2018 Precedent Browns Ferry extended the Emergency Diesel Generator (EDG)

Allowed Outage Time (AOT), ML11227A258 Two Temporary Diesel Generators (TDGs) with paralleled output to supply power to any of the eight engineered safety feature (ESF) buses (4.16 kV Shutdown Boards) via the 4.16 kV Tie Bus.

The TDGs would supply power to only one ESF bus at a time, providing an alternate supply of AC power that could be used to bring a unit to cold shutdown, if required.

8

PSEG Pre-Submittal Meeting with NRC, January 24, 2018 Schedule Submit by March 30, 2018 Request review per normal NRC timeline 9