ML19308E164
| ML19308E164 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 10/09/1973 |
| From: | Anthony Giambusso US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Rodgers J FLORIDA POWER CORP. |
| References | |
| NUDOCS 8003240682 | |
| Download: ML19308E164 (2) | |
Text
. _ _ _ _
~
OCT 9 W3 l
Docket No.
50-302 i
Plorida Power Corporation ATTN: Mr. J. T. Rodgers Assistant Vice President and Nielaar Project Manaper P. O. Box'14042 St. Petersburg, Florida 33733 6
Gentlemen:
The Regulatory staff has had the subject of anticipated transients without scram (ATUS) in vster-cooled reactor power pAaasts under study for some time.
4 A
The staff has complated its review of ATWS and has concit.'.ad that near2res should be *=han to improve nuclear plant designs in this regard. Details of the staff review and conclusions and of the steps that should be taken to deal with ATUS are given in the staff
'" Technical Esport on Anticipated Transients Without Scram for Water-Cooled Power Reactore." September 1973, a copy of which is enclosed for your information. N improvement measures acceptable to the staff are outlined in the staff position on ATWS, Appendix A, of the enclosed report in descending order of preference; that is, the "A" sections of the staff position describe the ultimate objective. For those facilities for which the imposition of the requirements of the "A" sections is not practical, the staff will accept the alternate approaches of the "B" or "C" sections subject to the limitations specified in the staff position. The rationale sad bases for this approach are given in the enclosed report.
I Acceptable measures that should be taken for the subject facility (s) are either those in the "A" or the "C" sections of the staff position.
l If there is reasonable assurance that the provisions of the "A" sections can be met satisfactorily on a reasonable schedule (less than 3 years) for the subject facility (s), you need not analyse the consegnane== of ATWS.
l s
, You must, however, provide sufficient analyses and discussion to justify l
Ef
...g.....
-nu, a
suRNM4E>
u.;;a ic $,Y', h M J L ai = =
^^
.B.?:57:U;f=~ ~ ~
~~
'~
~~
8003 240 M f
a i
I Florida Power Corporation 007 9 1973 your position and a commitment that you will meet the provisions of the "A" sections or revert to the provisions of the "C" sections if required by the staff. You should advise the staff by no later than January 1, 1974, of the approach you intend to take and submit a detailed report addressing fully, either the "A" or "C" sections of the staff position by October 1, 1974, as an
====A===t to the Safety Analysis Report.
The staff is prepared to discuss this matter with you at a amatually agreeable time.
Sincerely.
Original signed t
b A. Ciambusso Deputy Director for Reactor Projects Directorate of Licensing
Enclosure:
Technical Report on ATWS for Water-Cooled Power Reactors, September 1973 cc:
S. A. Brandinore DISTRIBUTION:
Vice President &
AEC PDR General Counsel Local PDR P. O. Box 14042 Docket St. Petersburg, Florida 33733 PWR-4 Rdg RCDeYoung RWKlecker JHendrie AKenneke OGC R0 (3)
BCBuckley EIGoulbourne VStello RMaccary RTedesco HDentca ASchwencer ACRS (16)
JPanzarella AGiambusso RSBoyd DEisenhut n.
~~
OFFICE >
I
$URNAMt>
- - ~ -
- - - - - - - - - - ~ - - -
DATE >
~ ~ - -
-~---
Farm A Ff".4 t a # N n CW AFCM 02 0
- 3-3***J-I 44 3-'J8
_Y