ML18025A290
| ML18025A290 | |
| Person / Time | |
|---|---|
| Site: | Susquehanna  |
| Issue date: | 10/09/1975 |
| From: | Curtis N Pennsylvania Power & Light Co |
| To: | Butler W Office of Nuclear Reactor Regulation |
| References | |
| 840-1, ER 100450, PLA-87 | |
| Download: ML18025A290 (6) | |
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. eIBUTION FOR PART 50 DOCl<LT...'TEBfAL=
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FROM Pennsylvania Power & Lig Co, Allentown, Pa
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1 0-387 and 388 DFSCR IPTION:
Ltr,.advising io'ifi~the reclassification of fuel pool"cooling and cleanup system from' Qualmy Group C to Quality Group D
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TWO NORTH NINTH STREET, ALLENTOWN, PA.
18101 PHONEME (215) 821-5151 October 9, 1975 Director of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, DC 20555 Attention:
Dr. Walter R. Butler, Chief Branch No. 1-2
/ /~J SUSQUEHANNA STEAM ELECTRIC STATION RECLASSIFICATION OF FUEL POOL COOLING AND CLEANUP SYSTEM ER 100450 FILE 840-1 PLA-87
Dear Dr. Butler:
As' result of studies made by Bechtel, we have reclassified the Fuel Pool Cooling and. Cleanup System from Quality Group C to Quality Group D.
The system will also be designed. to seismic Category II requirements rather than Category I.
Cooling of stored spent fuel, in the event of a design basis earthquake and the unavailability of the Fuel Pool Cooling System, is provided. by permitting the pool to boil.
Two independent Quality Group C, seismic Category I make-up water supplies from the Emergency Service Water. System will be provided.
The make-up water supplies will be hard. piped to the pool and manual isolation values willbe provided on the floor below the operating floor to permit operator access under pool boiling conditions.
These changes are based.
on the following generic correspondence between Bechtel and. NRC:
1.
Letter of January 3, 1975.
Mr. J.
V. Morowski (Bechtel) to Directorate of Regulatory Standards; 2.
Letter of May 12, 1975.
Mr. R. L. Tedesco to Mr. J.
V. Morowski; 3.
Letter of June ll, 1975.
Mr. J.
V. Morowski to Mr. R. L. Tedesco.
If you require additional information, please let us know.
Ve truly yours, N.
W. Curtis Vice President-Engi eering h Construction WEB: AAW PENNSYLVANIA POWER IL LIGHT COMPANY
C h
"I Docket Nos.
50-387 50-388 OCT 6 ~9j5 Pennsylvania Power and Light Company ATTN:
Hr. N. M. Curtis, Vice President Engineering and Construction Two North Ninth Street.
Allentown, Pennsylvania 18101 REF!
DEPICIENCIES IN BOX COLUHN SUPPORTS Gentlemen!
Thank you for your letter dated August 29, 1975, which forwarded a final report pursuant to 10 CPR 50.55(e) regarding the above referenced item.
Your report will be reviewed and evaluated
- and, should we require additional information concerning this matter, we willcontact you.
Your cooperation is appreciated.
Sincerely, bcc:
PDR LPDR NSIC TIC Region I IE Central Files IE Files Original oignedl, 5-r'J, G.
David'ohn G. Davis, Acting Director Division of Pield Operations Office of Inspection and Enforcement 0/PICII~
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