ML110380104

NRC Handouts, Pre-application Meeting on 2/3/2011 with Representatives of Pacific Gas and Electric Company to Discuss Digital Upgrade and Eagle-21 Portion of Reactor Trip System at Diablo Canyon, Units 1 and 2

ML110380104
Person / Time
Site:	Diablo Canyon
Issue date:	02/03/2011
From:	Office of Nuclear Reactor Regulation
To:
Polickoski J, NRR/DORL/LPL4, 415-5430
Shared Package
ML110380098	List: ML110380104 ML110380109
References
TAC ME5284, TAC ME5285
Download: ML110380104 (11)

Text

Diablo Canyon Power Plant, Units 1 and 2 Eagle 21 Plant Process Protection System, Digital Instrumentation and Control Upgrade Pre-Licensing Meeting #3 U. S. Nuclear Regulatory Commission (US NRC)

San Luis Obispo, CA February 3, 2011 1

Agenda

• Purpose

• Meeting Context

• Discussion Topics

• Licensee Presentation

• Closing Remarks 2

Purpose

• This is an informational meeting

• Pacific Gas & Electric Company (PG&E - the licensee) will present to the NRC its license amendment request submittal status and potential submittal content with pertinent technical detail

• The NRC will participate in discussions with the licensee to facilitate its expected review of the anticipated submittal

• No decisions or opinions will be made today 3

Meeting Context

• The NRC staff recently issued Revision 1 of Digital Instrumentation & Control (Digital I&C), Interim Staff Guidance (ISG)-06, Licensing Process on January 19, 2011:

- This describes the licensing process that may be used in the review of license amendment requests associated with digital I&C system modifications in operating plants originally licensed under Part 50.

- [Agencywide Documents Access and Management System (ADAMS) Accession Nos. ML110180006 and ML101800172]

4

Meeting Context, cont.

• Two pre-licensing public meetings were held previously between PG&E and the NRC in Rockville, MD:

- August 27, 2009; the initial phase 0 meeting (as required per ISG-6) discussed:

• Project scope

• Diversity of required actions

• Cross-channel communications

• The use of a non-safety related maintenance terminal

• Safety to non-safety related system communications

• The Class I to Class II boundary

• Software development

• NRC raised questions related to cyber security, software quality assurance, and the submittal schedule

[Noticed and summarized in ADAMS Accession Nos. ML092090415 and 5 ML092450476]

Meeting Context, cont.

- March 3, 2010; this second phase 0 meeting expounded on topics from the first meeting and addressed NRC questions with the following updates:

• Project scope clarification

• Referencing of the Advanced Logic Systems (ALS) topical report for the review of the diversity of required actions

• Enforcement mechanisms for safety to non-safety related system communications

• Vendor to perform software development

• Review of cyber security approach in accordance with NRC guidance

• PG&E questions to the NRC regarding use of the maintenance terminal, loop maintenance consideration, and this review as a Tier 1 review (per ISG-6)

[Noticed and summarized in ADAMS Accession Nos. ML100110526 and ML101260206]

6

Meeting Context, cont.

• February 3-4, 2011 is the third pre-licensing, phase 0 meeting between the NRC and PG&E:

- Feb 3: Today is the public discussion to review the discussion topics in the next slide

- Feb 4: Tomorrow, the NRC staff will participate in an on-site plant tour (closed to the public) where PG&E will:

• Display in-plant equipment conditions

• Illustrate upgraded equipment layout

• Review plant equipment configurations 7

Discussion Topics

• Introductions

• ISG 6 update

• Project plan and schedule

• Proposed license amendment request Public P bli questions ti

• The intention is to move to the

• Technical Topics following topic as the previous is completed.

• Factory acceptance test

• We anticipate a mid-morning and mid-afternoon break with a working Public questions lunch at approximately midday.

• Closing remarks

• Breaks for public participation will occur between the topics described

• Adjourn to the left 8

Licensee Presentation 9

Upcoming Public Meetings

• Join the service list.. Heres how!

• Click on the link below:

http://www.nrc.gov/public-http://www.nrc.gov/public-involve/listserver/plants--by-involve/listserver/plants by-region.html 10

Contacting the NRC

• Report an emergency

- (301) 816-5100 (call collect)

• Report a safety concern

- (800) 695-7403

- Allegation@nrc.gov

• General information or questions

- www.nrc.gov

- Select What We Do for Public Affairs 11