ML18228A433
| ML18228A433 | |
| Person / Time | |
|---|---|
| Site: | Turkey Point  |
| Issue date: | 05/09/1978 |
| From: | Robert E. Uhrig Florida Power & Light Co |
| To: | Stello V Office of Nuclear Reactor Regulation |
| References | |
| Download: ML18228A433 (5) | |
Text
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REGULATORY INFORMATION DISTRIBUTION SYSTEM
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DISTRIBUTION FOR INCOMING MATERIAL
-25 1
REC:
STELLO V ORG:
UHRIG R E
DOCDATE: 05/09/78 NRC FL PWR 8c LIGHT DATE RCVD: 05/17/78 DOCTYPE:
LETTER NOTARIZED:
NO COPIES RECEIVED
SUBJECT:
LTR 3 ENCL 0
RESPONSE
TO NRC LTR DTD 01/25/78... FURNISHING INFO CONCERNING APPLICANT"S DETAILED SCHEDULE FOR PROVIDING AN EVALUATION OF THE EFFECTS OF ASYMMETRIC LOSS OF COOLANT ACCIDENT LOADS OF SUBJECT FACILITY.
PLANT NAME: TURKEY PT 03 REVIEWER INITIAL:
XJM TURKEY PT 04 DISTRIBUTER INITIAL:Q DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS GENERAL DISTRIBUTION FOR AFTER ISSUANCE OF OPERATING LICENSE.
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gx'III/g Office of Nuclear Reactor Regulation Attention:
Mr. Victor Stello, Jr., Director Division of Operating Reactors U. S. Nuclear Regulatory Commission Washington, D.
C.
20555 I
FLORIDA j'OWER 8(4)HT COMPANY Ar May 9;,
1974 L-7,8-..167 ~'</~
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Dear Mr. Stello:
Re:
Turkey Point Unit Nos.
3 6
4 Docket Nos.
50-250 and 50-251 Evaluation of the Overall Asymmetric Loss of Coolant Accident Loads 0 eratin License Nos.
DPR-'31 and DPR-41 Florida Power 6 Light Company was requested by your letter of January 25, 1978, to inform you within ninety (90) days of the detailed schedule for providing an evaluation of the effects of asymmetric loss of codlant accident (LOCA) loads as described in Enclosure 2 of your letter.
Prior to issuance of your letter of January 25,
- 1978, a
task group of utilities was formed, and with the assistance of Westinghouse Electric Corporation, has outlined the steps necessary to complete an evaluation of the type you have requested.
The evaluation program prepared by the task group has been broken into three parts, or phases, to facilitate the work effort and to gain some advantage by performing generic analyses applicable to several plants of similar design.
Florida Power
& Light Company is presently a member of the task group.
We have approved and are participating in Phase A of the program, but have not yet fully reviewed and approved Phases B and C.
A summary of the task group program is given below.
Phase A which is essentially
- complete, consists of a detailed examination of primary loop characteristics for each plant involved in the task group effort to categorize and group the plants for the analyses.
Phase B will evaluate the postulated ruptures which have the greatest effect.
upon the steam generator and reactor coolant pump supports.
Phase C will address the reactor vessel response for postulated pipe ruptures at the reactor vessel inlet and outlet nozzles.
The need for plant specific analyses will 781370020 PEOPLE... SERVING PEOPLE
'P 1
1
Mr. Victor Stell Jr.
U.
S. Nuclear Regulatory Commission Pa e
Two be based on the results of the generic analyses.
It is expected that the evaluation will be complete by January, l980.
Following Florida Power 5 Light Company's approval of Phases B and C,
we will notify the Commission and therein provide a summary of the scope and schedule.
Yours very truly, ob t E. Uhrig Vice President REU:WAK:PG:dt cc:
Mr. J.
P. O'Reilly, Region XZ Robert Lowenstein, Esquire