ML20127A872
| ML20127A872 | |
| Person / Time | |
|---|---|
| Site: | 05000000, Susquehanna |
| Issue date: | 08/10/1983 |
| From: | Perch R Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20127A737 | List:
|
| References | |
| FOIA-84-794 NUDOCS 8308260362 | |
| Download: ML20127A872 (7) | |
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(7590-01)
UN!.TEDSTATESNUCLEARREGULATORY' COP.i!SSION e'
PENNSYLVANIA PO*n'ER AND LIGHT COMPANY
' ALLEGHENY ELECTRIC C00 PERATIVE, INC. -
DOCKET NO. 50-387 NOTICE OF CONSIDERATION OF ISSL'ANCE OF A'<ENDMENT TO FACILITY OPERATINS LICENSE AND PRC?0 SED NO SIGNIFICANT HAZAROS CONSIDERATION DETERMINAilCN AND CFPCRTi.NiiY FGR EEAR:NG" 4
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- The U. S. Nuclear Regulatory Ccmission (the Cc mission) is censicering
_P issuance of an amendment to Facility Operating License No. NPF-14, issued to i
Pennsylvania Power & Light Company and Allegheny Electric Cooperative, Inc.
(the licensees), Ifor operation ~ of the Susquehanna Steam Electric Station, Unit I located in Luzerne County, Pennsylvania.
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.The amendment would change Technical Specification '4.8.1.1.2.d.12 from
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requiring "...the diesel generator starts at least 5 times frca arbient con-ditiens and accelerates to at least 600 RPM in less than or equal to 10 seconds for the first 2 starts and accelerates to at least 600 RPM in less than or equal' to 19 seconds for the remaining 3 starts.", to requiring that "...the
. diesel generator starts at least 5 times froin ambient conditions and accelerates to at least 600 RPM in less than or equal to 10 sec:nds for the initial start and less than'or equal to 25 seconds for each subsequent start.", in accordance with the licensee's application for amendment dated September 24,1982, and supplemented by information provided by licensee's letters dated July 9,1982; July 14,1982; September 2,1982; and January 7,1983.
Before-issuance of the propcsed license amendment, the Co=nission will
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have made findings required by the Atomic Energy Act of 1954, as amended
- (the Act) and the Co. mission's regulations.
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s The Connission has made a proposed determination that the amendment
. request involves no ~ significant hazards consideration. Under the Co nission's regulations in 10 CFR 50.92, this means that cperation of the facility in accordance with the propcsed amendment would not (1) involve a significant.
increase in the prchability or consequences of an accident previously evaluated; or (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 rargin of safety.
The only accidents of. concern regarding diesel generater starting tices Ir are loss of offsite pcwer and loss of coolant accidents (LOCA).
In the sit-uation of a loss of effsite power, the diesel generators are not required for appecxicately 30 minutes af ter the loss of offsite p0wer; therefore, a change in diesel generator start time from 10 to 25 seconds is insignificant.
In the situatien of a LOCA, the most limiting LOCA from the licensee's Final Safety Analysis Report is a break in the recirculation discharge line with a break area of 1.3 square feet (0.69 times the maximum break area) which results in a peak centerline temperature (PCT) of the fuel of 1574
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The PCT remains the same in this most limiting LOCA even if the diesel generator start time is 25 seconds because reactor pressure does not reach the injection valve opening permissive set pressure until approximately 63 seconds which permits injection of water into the reactor vessel. Pumps used to inject water into the vessel l
will reach full speed bef ore the opening of the injection valves even if the
' diesel start time is 25 seconds.
In the case of the largest'LOCA, the injection valve opening permissive set pressure is reached'almost immediately and the injection,of water into the vessel is affected by the diesel generator start l
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's time. A diesel generator start time of 25 seconds will result in a PCT increase of approximately 100* F (ie from 1688* F to 1793* F) over the previous analysis
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using a diesel generator start time of 10 seconds, but the PCT, even in this case, is below the PCT of the limiting LOCA. Therefor.e, the proposed change to Technical Specification 4.8.1.1.2.d.12 may result in some increase to the pr:bability or consequences of a previcusly analyzed accident or msy reduce.
in sc e way a safety margin, but the results of the change are clearly within all acceptable criteria with respect to the system or component specified in the Standard Review Plan.
One of the exac;les of actions involving no y+
significant ha:ards consideration, example vi, a change which either may result in scme increase to the prcbability or censequences of a previously analyzed accident or may reduce in some way a safety margin, but where the results of the~ change are clearly within all acceptable criteria with respect to the system or ccaponent specified in the Standard Review Plan, clearly applies to such a change (48 FR 14871).
The Cor:nission is seeking public cc=ents on this proposed determination.
Any comments received within 30 days af ter the date of publication of this notice will be considered in making any final determination.
The Ccomission will not normally make a final determination unless it receives a request for a hearing.
Cc=ents should be addressed to the Secretary of the Comission, ll. S.
Nuclear Regulatory Commission, Washington, D. C.
20555, ATTN: Docketing and Service Branch..
By
, the licensee may file a request for.a hearing with respect to iss,uance of the amendnent to the subject facility operating license and any person whose interest may be affected by this proceeding and who wishes to participate as a party in the proceeding must file a written petition for'
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. (7590-01) s-leave to interve'ne. Request for a hearing and petitions for leave to intervene
-shall be filed in accordance with the' Commission's " Rules of Practice for Domestic Licensing Proceedings" in 10 CFR Part 2.
If a request for a hearing
- or petition. for leave to intervene is filed by the above date, the ' Commission
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.or an Atcmic Safety and Licensing Ecard, desicnated by the C ~,ission or by the Chairman of the Atomic Safety and Licensing Ecard Panel, will rule on the request and/or petiticn and the Secretary or the designated Atcmic Safety and Licensing Scard will issue a notice of hearing or an appropriate order.
As required by 10 CFR 52.714, a petitit,n for leave to intervene shall set forth with particularity the interest of the petitioner in the proceeding, and how that interest may be affected by the results of the proceeding. The petition should specifically explain the reasons why intervention should be permitted with particular reference to the following factors:
(1) the nature of the petitioner's right under the Act to be made a party to the proceeding; (2) the nature and extent of the petitioner's property,. financial, or other interest in the proceeding; and (3) the possible effect of any order which may be entered in the proceeding on the petitioner's interest. The petition should also identify the specific aspect (s) of the subject matter of the proceeding as to which petitioner wishes to intervene. Any person who has filed a petition for leave to intervene-or who has been admitted as a party may amend the petition without requesting leave of the Board up to fif teen (15) days prior to the first prehearing conference scheduled in the proceeding, but such an amended petition must satisfy the specificity requirements described above.
Not later than fif teen (15) days prior to the first prehearing conferenc,e scheduled in the proceeding, a petitioner shall file a supplement to the petition to intervene which nust includia list of the contentiens which are sought
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- (7590-01) s to be. litigated in the natter, and the bases'for each contention set forth "with_ reasonable specificity. Contentions shall be limited to matters within
--the scope of 'the amendment under consideraticn. A petitioner who fails ~ to
. file such a supplement which-satisfies these requirements with respect to at least'one contention will not be permitted to participate as a party.
.Those permitted' to intervene be:cr.e parties to the ' proceeding, subject
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- to any iimitations in the ceder granting leave to intervene, and have the cpportunity to participate fully in the conduct of the hearing, including the opportunity to present evidence and cross-examine witnesses.
If a hearing is requested, the Commission will nake a final determination on the issue of no significant ha:ards consideration. The final determination will serve to decide when the hearing is held.
If the final determination is that' the amendment request involves no -
sicnificant hazards consideratien, the Ccamission may issue the amendment and make it effective, notwithstanding the request for a hearing. Any
' hearing ~ held would take place after issuance of the amendment.
If the final determination is that the amendment involves a sicnificant hazards ' consideration, any hearing held would take place before-the issuance of any amendment..
I Normally, the Commission will not issue the amendment until the expiration of the 30-day notice period. However, should circumstances change during the notice period such that failure to act in a timely way would result
.in derating or shutdown of the facility, the Commission may issue the license amendment-before the expiration of the 30-day notice period, provided that its final determination is that the amendment involves no significant hazards consideration. The final determination will consider all public and state comments received.
Should the Commission take this action, it will publish
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.a notice ~ of' issuance.and provide for cpportunity for a hearing af ter is'suance.
The Cormission expects. that-the need to take this action will occur very infrequently.
i A ~ request for a hearing or a petition for leave to intervene must be filed with the Secretary of Lthe Cornission, U. S. !;uclear Regulatory Cc aission, Washington, D. C.
20555, ATTN:
Dodeting and Service Branch, or ::ay be delivered to-the Comission's Public Doft:ent Rc0m,1717 li Street, N. W.,
Washington, D. C. by the abcve date. WhEre petitiens are filed during the last ten (10) days of. the notice paried, it is requested that the petitioner promptly so inform the Comission by 'a toll-free telephone call to Western Union at (803) 325-5000 (in Missouri (503) 34225700). The Western Union operator should be given Datagram Identification Nurber 3737 and the folicwing nessage addressed to A. Schwencer: petitioner's name and telephone number; date petition
.was tailed; plant name; and publication date and page nurber of this FEDERAL REGISTER notice. A copy of the petition should also be sent to the Executive Legal Director, U. S.. Nuclear Regulatory Ccmission, Washington, D. C. 20555, and to Jay Silberg,. Esquire, Shaw, Pittman, Potts & Trowbridge,1800 M Street,-
N. W., Washington, D. C. 20036, attorney for the licensee.
Nontimely filings of petitions for leave to intervene, amended petitions, j
supplemental petitions and/or request for hearing will' not be entertained absent a determination by the Conmission, the presiding officer or the Atomic Safety and Licensing Board designated to rule on the petition and/cr request, L
. that the petitioner has made a substantial showing of good cause for the granting-of a late petition and/or request. That determination will be based upon a balancing of the factors specified in 10 CFR 2.714(a)(1)(i)-(v) and 2.714(d).
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.s For' further details with respect to this action, see the application for ar:end:ent-which is available;for_ public' inspection at' the Cormission's Public Document Room,1717 'N Street, N. W.,-Washington, D. C., and at the Csterhout Free Library,. Reference Department, 71 Scuth Frar.klin Street,.
Willes-Earre, Per.nsylvania 18701.
L Dated at Eethesda, !!aryland, this 10th.- day of August 1983.
FOR THE !'JCLEAR REG'JLATORY C0"." SSION d L.
wk Robert L. Perch, Acting Chief Licensing Branch No. 2 Division of Licensing A
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