ML17256A478
| ML17256A478 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 01/31/1983 |
| From: | Maier J ROCHESTER GAS & ELECTRIC CORP. |
| To: | Crutchfield D Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML17256A479 | List: |
| References | |
| TASK-02-03.B, TASK-02-03.B1, TASK-02-03.C, TASK-03-03.A, TASK-2-3.B, TASK-2-3.B1, TASK-2-3.C, TASK-3-3.A, TASK-RR NUDOCS 8302070270 | |
| Download: ML17256A478 (6) | |
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.FACIL:50 244 Robert Emmet Ginna Nuclear Planti Unitt ii Rochester G
05000244
'AUTH INANE AUTHOR AFFILIATION MAIERgJ,Es Rochester Gas 8 Electric Corp+
'"REICIP NAME RECIPIENT AFFILIATION CRUTCHF IELDi D ~
Operating Reactors Branch 5
SUBJECT:
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Pleat/'I/I t/i(i/IIIIIJIII i 'liNIIIII / /IIIIIII//SI ROCHESTER GAS AND ELECTRIC CORPORATION e 89 EAST AVENUE, ROCHESTER, N.Y. t4649 JOHN E. MAICR VIce President TCI.CPHONC AREi cooc 7~e 546.2700 January 31, 1983 Director of Nuclear Reactor Regulation Attention:
Mr. Dennis M. Crutchfield, Chief Operating Reactors Branch No.
5 U.S. Nuclear Regulatory Commission Washington, D.C.
20555
Subject:
SEP Topic II-3.B, Deer Creek Flooding R.
E. Ginna Nuclear Power Plant Docket No. 50-244
Dear Mr. Crutchfield:
This letter transmits the results of a study made to deter-mine the flooding characteristics at the Ginna plant site, due to postulated overflows from Deer Creek.
Results are presented for the Standard Project Flood (SPF) and the Probable Maximum Flood (PMF). It was determined that protection is presently available for the Standard Project Flood, which is considered a conservative design basis for the Ginna site.
Further, additional margin is presently in place, such that safe shutdown conditions could be maintained, even in the event of a.Standard Project Flood plus one foot (SPF
+
1 foot).
RG&E considers that the present plant protection available meets the requirements of the regulatory basis for natural phe-nomena protection General Design Criterion 2.
This criterion specifies that the design bases for safety-related structures, systems and components shall reflect:
"(1) Appropriate consideration of the most, severe of the natural phenomena that have been historically reported for the site and surrounding area, with sufficient margin for the limited accuracy,
- quantity, and period, of ~<ze
'n whi the historical data have been accumulated, (2) appropf combinations of the effects of normal and accide'nt
'cy tions with the effects of the natural phenomena.',,
importance of the safety functions to be per The present Ginna protection level-for additional one foot margin) meets these bas 8302070270 830i3i PDR ADOCK 05000244 P
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ROCHESTER GAS AND ELECTRIC CORP.
DATE January 3 1, 1 9 8 3 Mr. Dennis M. Crutchfield SHEET NO.
2 RGSE concludes that SEP Topic II-3.B, and related topics II-,3.B.1, II-3.C, and III-3.A, are complete as related to the potential for Deer Creek flooding.
Very truly yours, Jo n E. Maier
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