ML20006F277: Difference between revisions
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;-g-ENCLOSURE 1 , | ;-g-ENCLOSURE 1 , | ||
i I[ ' BRUNSWICK STEAM ELECTRIC PLANT, UNITS 1 AND 2 NRC-DOCKETS 50-325 & 50-324 OPERATING LICENSES DPR-71 & DPR-62 i . . . REQUEST.FOR LICENSE AMENDMENT I r - | i I[ ' BRUNSWICK STEAM ELECTRIC PLANT, UNITS 1 AND 2 NRC-DOCKETS 50-325 & 50-324 OPERATING LICENSES DPR-71 & DPR-62 i . . . REQUEST.FOR LICENSE AMENDMENT I r - | ||
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The intent of the 3 25 limit was to preclude extending surveillance intervals- , | The intent of the 3 25 limit was to preclude extending surveillance intervals- , | ||
' by 25 percent on a routine basis. The removal of the 3 25 limit provides 1 greater flexibility in use of the provisions for extending ' surveillance . ; | ' by 25 percent on a routine basis. The removal of the 3 25 limit provides 1 greater flexibility in use of the provisions for extending ' surveillance . ; | ||
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[ , improvement consistent with NRC policy. | [ , improvement consistent with NRC policy. | ||
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Latest revision as of 14:49, 17 February 2020
ML20006F277 | |
Person / Time | |
---|---|
Site: | Brunswick ![]() |
Issue date: | 02/16/1990 |
From: | Cutter A CAROLINA POWER & LIGHT CO. |
To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
Shared Package | |
ML20006F278 | List: |
References | |
GL-89-14, NLS-90-031, NLS-90-31, NUDOCS 9002270329 | |
Download: ML20006F277 (5) | |
Text
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- 3 Ceregne Power & Light Conipeny P o. Dos 1661
- Relegh, N c. Proca SERIAL: NLS-90.031 !
FEB 161990 ;
1 A. 8 CUTTER i
v6ce President Nuclear Services Department United States. Nuclear Regulatory Commission ATTENTION: Document Control Desk ;
Washington, DC 20555 :
BRUNSWICK STEAM ELECTRIC PLANT, UNIT NOS. 1 AND 2 k DOCKET NOJ. 50-325 & 50-324/ LICENSE NOS. DPR-71 & DPR-62 j REQUEST FOR LICENSE AMENDMENT - REMOVAL OF THE 3.25 LIMIT i ON EXTEND 1hD SURVEILLANCE INTERVALS Gentlemen:
t In accordance with the Code of Federal Regulations, Title 10, Parts 50 90 and 2.101, Carolina Power & Light Company (CP&L) hereby requests a revision to the !
Technical Specifloations for the Brunswick Steam Electric Plant (BSEP),
Unita 1 & 2.
- The proposed amendment would eliminate the maximum combined interval time for any three consecutive surveillances consistent with the guidance provided in Generic Letter 89-14 dated August 21, 1989. Enclosure 1 provides a descrip- ,
- tion of the proposed change and the basis for the change. !
~ Enclosure 2 provides the Company's determination that the proposed changes 'do-not involve a significant hazards consideration. : i 0
Enclosure 3 provides the proposed Technical Spc cifloation pages for Unit 1.
Encloaure_4 provides the proposed Technical Specification pages for Unit 2.
Please refer any questions regarding this submittal to Mr. M. R. Oates at ;
(919) 546-6063.
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A. B. Cutter DBB/eoo f
Enclosures '
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..- .7 Document' Control Desk-(NLS-90-031) / Page 2 p.
co: MP, Dayne H. Brown Mr.=S. D. Ebneter
' Mr. W. H. Ruland Mr. E. G. Tourigny
' A. B. Cutter, .having been first duly sworn, did depose and say that the t information contained herein is true and correct to the best of his information,- knowledge and belief; and the sources of his information are t officers, employees, contractors, and agents of Carolina Power & Light Company.
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- -g-ENCLOSURE 1 ,
i I[ ' BRUNSWICK STEAM ELECTRIC PLANT, UNITS 1 AND 2 NRC-DOCKETS 50-325 & 50-324 OPERATING LICENSES DPR-71 & DPR-62 i . . . REQUEST.FOR LICENSE AMENDMENT I r -
REMOVAL OF THE 3 25 SURVEILLANCE INTERVAL LIMIT l.
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F BASIS FOR. CHANGE REQUEST ' +
, 't Proposed Change E '
The proposed change eliminates paragraph' 4.0.2.b which defines the maximum s combined interval for any. three consecutive surveillances as 3.25 times the-specified surveillance interval.
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.6 L. Basis: !
The intent of the 3 25 limit was to preclude extending surveillance intervals- ,
' by 25 percent on a routine basis. The removal of the 3 25 limit provides 1 greater flexibility in use of the provisions for extending ' surveillance . ;
p Lintervals reduces the administrative burden on the licensee,- and has a l L positive. effeok on safety. This is a Technical Specifloation line-item
[ , improvement consistent with NRC policy.
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ENCLOSURE 2 BRUNSWICK STEAM ELECTRIC PLANT, UNITS 1 AND 2 !
NRC DOCKETS 50-325 & 50-324 H -
OPERATING LICENSES DPR-71 & DPR-62 ,
REQUEST FOR LICENSE AMENDMENT !
t REMOVAL OF THE 3 25 SURVEILLANCE INTERVAL LIMIT I
10CFR50.92 EVALUATION j ;
The- Commission has provided standards in 10 CFR 50.92(c) for determining- ;
whether a significant hazards consideration exists. A proposed amendment to ;
an operating license for a facility involves no significant hazards considera- :
j tion if operation of the facility in accordance with the proposed amendment
- i .. would not:. (1) involve a significant increase in the probability or conse. .j quences of an accident previously evaluated, (2) create the possibility' of a
(, . new or different-kind of accident from any accident previously evaluated, or (3) involve a significant reduction in a margin of safety. Carolina Power &. '
Light Company has reviewed this proposed license amendment request and deter-mined that its adoption would not involve a significant hazards considera-tion. The bases for this determination are as follows:
Proposed Change
- The proposed change eliminates paragraph 4.0.2.b which defines the maximum
[ combined interval-for any three consecutive surveillances as 3 25 times the
[ specified surveillance interval.
i Basis' t The change does not involve a significant hazards consideration for the p following reasons:
- 1. : The proposed amendment does not involve a significant increase in the probability.or consequences of an accident previously evaluated because p> there is no physical change or alteration to the facility that could cause the probability of an accident to increase. - In addition, removal of the
'3 25. combined interval enhances safety by reducing the potential. of- a -
forced shutdown or performing surveillances during unsuitable plant b(. conditions.
- 2. .The proposed amendment does not create the ' possibility of a new or
'different kind of accident from any accident previously evaluated because the design of the ~ facility and system operating parameters are not changing. Surveillance intervals are not changing and will continue to ~be limited to the 25% extension.
. 3. The proposed amendment does not involve a significant reduction in the margin of safety because surveillance frequencies will retain the 25%
extension limit which is an acceptable extension tolerance, as documented
, in Generic Letter 89-14, sufficient to ensure the reliability of equip-ment. Maintaining equipment in a reliable condition does not introduce a reduction;in any margin of. safety.
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_ ,. # - ENCLOSURE 3- ,
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BRUNSWICK. STEAM ELECTRIC PLANT, UNITS.1'AND'2 -
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'NRC DOCKETS 50-325 &-50-324 1
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, REQUEST FOR LICENSE AMENDMENT ~ . :;
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. REMOVAL OF. THE 3.25 SURVEILLANCE INTERVAL LIMIT. -,
j' , PROPOSED TECHNICAL SPECIFICATION PAGES ' UNIT 1 ;
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