ML20125C657
| ML20125C657 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 09/17/1979 |
| From: | Baer R Office of Nuclear Reactor Regulation |
| To: | Robert E. Uhrig FLORIDA POWER & LIGHT CO. |
| Shared Package | |
| ML20125C659 | List: |
| References | |
| REF-GTECI-A-44, REF-GTECI-EL, TASK-A-44, TASK-OR NUDOCS 8001110134 | |
| Download: ML20125C657 (2) | |
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- spej3 Dross Riitzpatrick Docket No. 53-3M SAVarga W0imstead FJWi11icms ifPa ton i?LBaer FResa R,Bi rkel Dr. Robert E. Uhrig JLee Vice PresiPt of b
- lear and RJn, ts or, General Engineeris.;
. qiana' e rf Florida Powr and Light Company J 'ni gh f P. C. Box 529133 RTede,ce Mia-i, Florica 33H:
RD('.wn-yvio,rc.
Dear Dr. U*.ri g :
Ware?er HL E rr.s t ADEQUACY OF REACTOR C00'_ ANT PUMP SEAL DESIGN DU SUb)ECT.
STATIO BLACK 0UT CONMIO.is (St. Lucie Plant, Un t No. 2) i
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One of the open issues related to ALAB-537 pertaining to St. Lucie Nuclear Power Plant, Unit 2, involves the stability of the Florida Power and Light Company's i
In response to the ALAB order of electrical grid (Question B2 of ALAD-537').
March 10,197F;, both the staff ar!d the Florida Power and Light Company discussed with sirnultaneous on-site power failure the consequences of offsite powerFlorida Power and Light Company suggested that the fi (stationblackout).
significant milest"ne encountered would b? excessive core heating due to loss of water from the condensate st.orage tar.k about 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> after loss of all AC 31,1978). The staff judgment was that a power (Flugger Affidavit of Marchloss of reactor coolant pump seals at coo powr - resulting in a loss of coolant accident (Fitzpatrick Affidavit of j
Juw 12, 1976) would be more limiting.
We have evaluated the potential of reactor coolant pump Seal failures for the the plant would be subjected to a total loss of AC power (see duration of tint Enclosure).
Based on odr evaluation we require that a confirmatory test on one of the four seal assemblies that comprises the seal cartridge be performed under expected blackout.' conditions of ter:perature, pressure and time, to pro-i vide the additional verification necessary to detemine the adequacy of the i
The results of this test should be included l
reactor coolant pump s.'eal design.
in the FSAR for St. L.Licie Plant, Unit No. 2, when it is filed.
90012277 Sincerely, f
Original Slgned by-8 0 01 11013(f Robert L. Baer, Chief Light Water Reactors Branch No. 2
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f.ee next *4ge......,........................
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4 Robert E. Uhrig
.Dr.
Vice President of Nuclear and General Engineering Florida Power' & Light Company P. O. Box 529100 Miami, Florida 33152 cc: Jack R. Newnan, Esq.
Lowenstein, Newnan, Reis & Axelrad 1025 Connecticut Avenue, N. W.
Washington, D. C.
20036' Norman. A. Coll, Esq.
Mc Carthy, Steel, Hectory & Davis 14th Floor, First hational Bank Building Mi ami, Florica 33131 Mr. Martin H. Hodder 1131 h. E. 86 Street Miami, Florida 33138 Edward Luton, Esq., Chairman Atonic Safety and Licensing Board U. S. Nuclear Regulatory Conmission Washington, D. C.
20555 Dr. David L. Hetrick Professor of huclear Engineering The University of Arizona Tucson, Arizona 85721 90012L278 Dr. Frank F. Hooper School of Natural Resources University of Michigan Ann Arbor, Michigan 48104 e
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