ML19254F820
| ML19254F820 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 10/30/1979 |
| From: | Lainas G Office of Nuclear Reactor Regulation |
| To: | Reid R Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7911190108 | |
| Download: ML19254F820 (3) | |
Text
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OCT d 01979 MEMORANDUM FOR:
R. Reid, Chief Operating Reactors Branch #4 Division of Operating Reactors FROM:
G. Lainas, Chief Plant Systems Branch Division of Operating Reactors
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION - CONTAINMENT PURGE SYSTEM - DAVIS-BESSE NUCLEAR POWER STATION UNIT 1 (TAC 10210)
REFERENCE:
1.
Letter to R. Reid, from L. Roe dated December 13, 1978 Plant Name:
Davis-Besse Nuclear Power Station, Unit 1 Docket No.: 50-346 Project Manager:
D. Garner Review Status: Awaiting Information With regard to the containment purge and vent system at Davis-Besse Nuclear Power Station, Unit 1, the licensee has comitted to limit purging of the containment during power operation to 90 hours0.00104 days <br />0.025 hours <br />1.488095e-4 weeks <br />3.4245e-5 months <br /> per year (Reference 1). The Plant Systems Branch, Section B, after having reviewed the document (Reference 1) filed by the licensee, has prepared the enclosed mquest for additional information.
Section A is continuing their review and will provide questions regarding the electrical and instrumentation aspects of containment purging in January 1980.
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G. Lainas, Chief Plant Systems Branch Division of Operating Reactors
Enclosure:
As stated Contacts :
J. Kerrigan, X28129 cc: See next page 17'k 7911190 /08
?
1 R. Reid OCT 3 0 579 cc w/ enclosure:
D. Eisenhut B. Grimes W. Gamill L. Nichols G. Lainas E. Reeves E. Adensam D. Garner D. Tondi D. Shum J. Kerrigan J. T. Beard G. Knighton V. Noonan F. Witt J. Zudans R. Scholl 1U4 224
ENCLOSURE REQUEST FOR ADDITIONAL INFORMATION FOR THE CONTAINMENT PURGE AND VENT SYSTEM FOR DAVIS-BESSE NUCLEAR POWER STATION - UNIT 1 DOCKET NO. 50-346 1.
Describe the design of the containment purge system and/or the containment venting system.
2.
Discuss how the design of these systems satisfies the require-ments of the NRC Branch Technical Position CSB 6-4, " Containment Purging During Nomal Plant Operation." Because you have proposed to limit all purging and venting to 90 hours0.00104 days <br />0.025 hours <br />1.488095e-4 weeks <br />3.4245e-5 months <br /> per year, you need not address paragraphs 1.c and 5.a of the Branch Technical Position (ref. paragraph II.8 of the NRC Standard Review Plan, Section 6.2.4, " Containment Isolation System).
,y 4 225