ML19257B587
| ML19257B587 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco, Crane |
| Issue date: | 07/16/1975 |
| From: | Kerr W Advisory Committee on Reactor Safeguards |
| To: | Anders W NRC COMMISSION (OCM) |
| Shared Package | |
| ML19257B579 | List: |
| References | |
| TASK-TF, TASK-TMR NUDOCS 8001170680 | |
| Download: ML19257B587 (2) | |
Text
ADVI:. COY COMMITTEE ON REAbTCR SAFEGUARDS NUCLEAR HEGUL ATORY cG.W.il5' HON W/5Hlf;GlofJ. D. C. 20055 i.
July 16, 1975 6
9 9
h Honorable Uilliam A. Anders Chairmn U. S. Euclear Rc;ulatory Conaission Washirston, D. C. 20555
Subject:
IGPORT bl RANCHO SECO UUCLEftR 09!ERATI!!G STATIO:1, UI!IT 1
Dear fir. Anders:
Durirn its 103rd ractirc, July 10-12, 1975, the Advisory Cox-ittee on Reacter Safo3uards reviewed the proposal of the Sacramento Municipal Utility District to incroacc the pouer level of the Rancho Scco 1:uclear Generatim, Station, Unit 1, from 2568 M'.i(t) to 27721:*!(t). This propocal uas also considered at a SubccI-mittee ncetirg in Washituton, D..C.
on June 24, 1975 In the courso of its review, the Cc:md.tt.ee had the benefit of discussions with representatives and consultants of the Sacremento !!unicipal Utility District, the Babcock and Hilecx Ccmpany (B&W), and the NRC Staff, and of the documents listed.
The Cemittec last reported on the operctic7 of this plant in its letter of Septe:.bcr 11, 1973 At that tino, the Co=11ttee reco.n-mondcd that three conditions be r,atisfied before the plant uas per:aitted to operate at its design pouer 1cvel of 2772 !@!(t).
Operation of Unit 1 of the Oconce IIucIcar Station, the a.
prototype for Ibncho Seco Unit 1, should be revicued and found satisfactory by tha Rc;ulatory Staff, Operatien of Rancho Seco Unit 1 at 2568 tal(t) should b.
be revicwed by the Ro;ulatory Staff and the ACf.S and detemined to be naticractocy.
Tne Requirtorv Staff chould perfom an ir: dependent c.
confir.tation of the licun ec'c lir. car heat r,cncration rates, oper;itirr, limits md ECC3 effiency, r.n<l should cubnit a supple"lant 11 S::fety Cycluation Report.
Theco three cor.dition:; invc been natinfied.
8001170[IO A
Ilonorable t'illiam A. Anders July 16, 1975 f.
The applicant is usirn control of the boron concentration in the core coolinr, uater as an aid for rcuctivity control ducirg pouer mn:uverin;.
Durirg the pact several r..onths, plant operatora inve applied this system in a variety of pouar Operatin3 experience with the system to date has maneuvers.
been acceptable.
The Advisory Com.nittee on Reactor Safc;uards believes that, if due re;ard is given to those itens ncntioned in its report of September 11, 1973, there is reasonable assurance that Rancho Seco !!uelcar Gs ;ratim Station, Unit 1, can be cperated at design pouce (2772 M'.!(t)) without undue risk to the health and safety of tha public.
p Sincerely yours, 9
V $/A k
9 t'. Kere k
Cnairman 9
m Referencas:
1.
Supplement !!o.1 to the Safety Evaluation by the Directorate of Licensiin, U. S. Atomic Eneg;y Corc.nission in the matter of Sacramento Municipal Utility District, Rancho Seco Iluclear Generatiin Station, Unit No.1, Docket No. 50-312, Nov. 28,1973 Supplement !!o. 2 to the Safety Evaluation by the Office of 2.
Nuclear Reactor Rc;ulation, U. S. Nuclear Regulatory Commission in the matter of Sacramento Minicipal Utility District, Rancho Seco I!uclear Generatirg Station Unit th.1, Docket No. 50-312, June 10, 1975.
3.
Safety Evaluation Report by the Directorate of Licensirg, U. S.
Atomic Ener;;y Commission in th.: rnttca of Sacramento Municipal Utility Dintrict, Rancho Seco Uuclear Generatire Station Unit No.1, Docket !!o. 50-312, Decc:nber 27, 1974.
4.
L
' from E. K. Davis, General Manm er, Sacramento Municipal I
,y District of March 12, 1975 to Mr. An.r,clo Giambusso, Licector, Divi : ion 'T I?cactor Licensin;, NRC, Re: f!RC Docket No. 50-312, Propcced Technical Specification Charge No.1, Ranebo Seco !!ualear Cencratiru Station, Unit I!o.1.
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