ML20210S853

Summary of ACRS 760304 Meeting to Consider CP Application. Seismic Concerns & Exclusion Area Control Discussed.Agenda Encl

ML20210S853
Person / Time
Site:	Satsop
Issue date:	03/16/1976
From:	Bournia A Office of Nuclear Reactor Regulation
To:	Office of Nuclear Reactor Regulation
References
CON-WNP-1645 NUDOCS 8605290457
Download: ML20210S853 (4)

Text

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216 m6 DOCKLT 5 STN 50-509 APPLICANTS: Washington Public Power Supply Syste, et al (WPPSS)

FACILITY: lbcle,ar Project Nos. 3 and Nos. 5 (WNP-3 and WNP-5)

SMIARY OF AINISORY 03HITHI ON RFKIDR SATInIARDS >EETING 10 CONSIDER

}0CIIAR PinIDCf 10S. 3 AND 10S, S.

The Advisory Canadttee on Reactor Safeguards met on March 4,1976 to consider the construction permit application for the WNP-3 and WNP-5.

A detailed agenda is attachal.

We presental a stamary of the outstanling issues of which there were eight. We inlicated that we were awaiting further information with respect to one open its which addressed to controlling the aclusion arca a: prescribed by 10 CFR Part 100. Por this item the staff indicated to the Corrittee that the control of the exclusion area had to be sub-i stantiatal before the consttuction permits would N issued. On the other seven naas, the staff inlicatal that for six itms we had received further 1

informtion from the applicant and were reviewing the information. Our finiings on these itms would be reported in the supplanent to the Safety Evaluation Report. For the seventh item, it was indicated that for the construction pemit stage of review, the staff considered this its resolval. Ilowever, we would review this item as a post-constmetion permit itm. A further its that was discussed with the staff was the j pinbability of occurrence of the safe slutdown earthquake (SSE) 8esign of 0.32g or approximately an 81/4 Hodifial Mercalli (>W). We statal that this was an upper bount and a conservative design level and we were not in a position to report the probability of the SSE. However, we did state that (

order of 10gr 8to)H 10'gt.Aberdeen,

!ktrapolating Washington, beyont 8 the FN,probability was in the the staff indicated that the curve would drop very fast, but could not give a probability raaber.

icant presented talks em the subjects listed in the attached

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i before the Joint Comittee on the f.tmic Energy) stated that the Committee would try to write a letter regarding the two units considered in this meeting.

Cr ' . ' . ;aed by:

Antaany Bournia ,

Anthony Bournia 2 Light Water Reactors Branch No. 3 Division of Project finnagment

Enclosure:

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TENTATIVE PRESENTATION SCHz._ E WASHINGTON PUBLIC POWER SUPPLY SYSTEMS UNITS 3 & 5 CONSTRUCTION PERMIT 1717 H ST., N. W., WASHINGTON, D. C.

191ST ACRS MEETING APPROXIMATE TIME 1.0 MEETING WITH APP 1TCANT AND NRC STAFF (OPEN SESSION) 1.1 Opening Statement by Chairman 5 mins.

1.2 Introductory Presentations By Applicant 20 mins.

Washington Public Power Supply Systems (NPPSS)

- Organization

- Previous nuclear experisnce Schedule General Plant Description and Layout Experience of Major Contractors and Key Contractor Personnel 1.3 Report by the NRC Staff 20 mins.

Outstanding / Unresolved Issues (detailed discussion)

Staff Conclusions 1.4 Applicant's Response to Staff Report 5 mins.

1.5 Technical Presentations by the Applicant with NRC Gtaff Response Site Characteristics

- Demography 5 mins.

- Seismicity (selection of the SSE and 45 mins.

significance of faulting near the site)

Ultimate Heat Sink 5 mins.

Nuclear Steam Supply System 20 mins.

- Exceptions taken to CESSAR (discuss changes and justification)

- Future changes anticipated

- Status of unresolved CESSAR issues

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APPROXIMATE

, TIME s Balance of Plant -

20 mins.

- Containment design Offsite dose, calculations

- ESF Cystem cable separation The Applicant Should be Prepared to Discuss 20 mins.

The Following Itdast Interfaces between. NSSS s and BOP

- Auxillary feedwater by, stem design .

s Tornado missile protection, Offsite power reliability \s s Fire protection s

Emergency Planning N N

N

- Other items as requested by the Committee, 2.0 INDUSTRIAL SECURITY (CLOSED SESSION) 10 mins.

3.0 CAUCUS (CLOSED SESSION) 5 mins.

4.0 MEETING WITH THE NRC STAFF AND APPLICANT (OPEN SESSION) 5 mins.

Conclusions / remarks ,

5.0 ADJOURNMENT NOTES:

(1) The above schedule aqd agenda itema, will be re' viewed towards the end of the Februa N 4th Subcomm h ee Meeting and agenda items will be added or deleted as considered necessary by the Subcommittee Members.

I (t) A maximum of 30 minutes will be allowed for receiving oral statements from members of the public, if requested.

v (4) The speakers should have prepared presentations. An allowance amounting to approximately 50% of the presentation time should be made for questioning by the Committee and its consultants.

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