ML19270F379

Requests Amend to License DPR-53 Re Removal of Unnecessary safety-related Hydraulic Snubbers.W/Encl Drawings

ML19270F379
Person / Time
Site:	Calvert Cliffs
Issue date:	01/31/1979
From:	Lundvall A BALTIMORE GAS & ELECTRIC CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
References
NUDOCS 7902060327
Download: ML19270F379 (4)

Text

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BALTI MORE GAS AN D E LECTRIC CO M PANY GAS AN D ELECTRIC BUILDING B AL rt M O R E, M ARYL AN D 212O3 Jan u't r y 31, 17IO ARTHUR E. Lu N OVALL, .)R.

wc c Pae s.cc ur S u pe t ,

'fr. Harold P. Donton, nirector Of fice o" ':uelear Peactor Pe11ation l'. P. ?!ucloar T?enu!ntory "on-iccion

'<Ta ch i n g to n , D. C. ?C595 "ubject: Calver: Cli""n 'ualenr Po'.:^r Plant

" nit "^. 1, Pc c h e t '70 . 50-317 "a rri e s t or / nentent tr Onnratinc Ticence ?"'?- 5 3

Dear t'r . Denton:

Ihltinore Oaq and Flectric Ccmam hereby requectc nn n.cndnent to Oreratinc I,icence "DF-53 for Cal tiert Cli ffn '.' nit 'To . I with the mlbnittal of the followinn propocel chance to the Annorlix A "'echni c 11 "reci fi cationn .

Technieal Precification Charro Table 3.7 h , nace 1/h I-31 "oleto nnubber ':oc 3C-1, M , S, hA.

Diccu"nicn in our continuinc e""crt to eli-inata unnececcarv cafet"-relatel hyd"aulic cnubters and, thuc, inprove everall ,ycten reliability, we have been analycine variouc n~cte c to detenine <hich rrcibb"rn could to removed co nletely or rerlaced with other tyres of hancers.

The a foranontioned nnubl ore have been deternined to noot this criterion. Accordincly, we nronona to r" novo the- or replace than ac nhevn on attached Drawine Chance 'Totice '!o. '!-1303 for the Auxiliary Peedvater Syston.

Tha fuxiliary Feoduntor O'rnten nipire outcida contain ent vac ori cin ill" decirned in accordance with I':RI B'l.1 with a decirn tenceratura and decirn prencuro of 100 F and lhho pric, recrectively. "' m T,st - r reannlyced to cri bria .unnnu.ent with B31.1 '

L aLove Stated decirn tenrerature and decirn nrescure. "he calculated ctrecc for all decirr conditionc vac helow that allowed by Cole.

"' hic reanalysic var rerfor ed b, nechtel Power Corporation and utilized their 'F 632 connuter code. 'E 632 utilizec a linear einctie nodelinr technique and is capabic of handlinF 350 decreec of freedom and 009 data noints. The code rerforna ther al, dead weicht, and ceianic analy3ec.

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Pace 2 This proposed change was reviewed by the Plant Operations and Cafety Feview Connittee and 0 T-Cite Cafetr and Peview Co =ittee, and they have concluded that the chance does not involve a significant hazards consideration and vill not result in an undue risk to the health and safety of the public.

BALTIMORE GAS A?TD ELECTRIC C0"DA?TY D

L L_ __ _ ._ _a A. E. T/ndvall, Jr.

Vice President - Supply STATE OP 'IARYI A?ID :

"O WIT-CITY Or BALTIMORF-Mr. A. r. Lundvall , Jr. beinc duly sworn , states that he is Vice President of the Baltinore Gas and Electric Connany, a cornoration of the State of Maryland; that he executed the foreroinc Anendnent for the purposes therein set forth; that the statenonts nade in said A~endment arn true and correct to the best of his knowledre, information and belief; and that he was authorized to execute the Icendment on behalf of said corporation.

'I WIT?lESS .r.v hand and I otarial Feal.

-_ w.b _ ASD

?iotary Puh3ic

'ty Connission Expires : j' Lb 1 /

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cc - J. A. Biddison, Esquire G. P. Trowbridce, Esonire Mr. E. L. Conner, ?TRC f.'r. P. W. Kruse, CE

?fr. J. W. Prothers, Bechtel BG&E Check ?!o. B075h55 ik,000.00 Fee for Operating Licenue A"enirient, Class III

....- JO8 NO. DR AWING NO. l RE V. N O. l

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