ML20058D100
| ML20058D100 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 10/23/1990 |
| From: | Diianni D Office of Nuclear Reactor Regulation |
| To: | Parker T NORTHERN STATES POWER CO. |
| References | |
| IEB-89-002, IEB-89-2, TAC-74298, TAC-74299, NUDOCS 9011050314 | |
| Download: ML20058D100 (3) | |
Text
October 23, 1990 Docket flos. 50-282 and 50-306 Hr. T. M. Parker, Mereger Nuclear Suriort Services Northern Stetts Pcket Cor:patiy 414 Nico11tt Vt,11 Mitineapolis, Mirnesote 50401 Oter !!r. Parler:
Sl!PJFCT : CLOSE0lti Of HRC Bull [111114 02 "51RESS CORkO510N CRACL1hG OF HIGH-PAfthE551ML 410 51AlblLS5 STEEL BOLT 1hG IN ANCHOR DARLiliG CHECK VALVES OR VALVES Of SIMILAR DL510h" (1AC h05. 74298 AFD 74299)
By letter deted February if, end Septer.ber 27, 1990 ycu responded to Bullttin f:9-02 for the Preirie Island Nuc1cer Geneteting Plant Unit Nos.1 end 2.
These letters provided results on Anchor Dorling check volve irspection et Prairit-Island and describe en inspection schedule for siniilar c'esigned check velves in ute et Prairie Islenc'.
In the response you confiroied the replectn.ent of ell tetoining block studs in the Anchor 0erling chect volves end presented e schtdule for inspecting end replacing the block studs in the check v61ves of siniiler design. L'e find your contnitnent to replect ell check valve bolts on both Units prior to Mey 31, 1991, to be reasonable end therefore acceptoble.
On this basis, we consider that you have coop 11td with the requireo.ents of tht-bulletin end no further action beyond what you elready (ortnitted to is required.
This closes TAC Nos. 74298 and 74299.
Sincerely,
/s/
Don.inic C. Dilenni, Project Heneger Project Directerete 111-1 Division of Reactor Projects - III, IV, V & Speciel Projects Office of Nuclear Feettor Reguletion cc: See next page.
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' Doc.itt Nos. 50-282 and 50-306 Nr. T. M. Parker, Manager Nuclear Support Services Forthern States tower Coropany 414 Nicolle-t Pell Mintieepolis, Finnesota S!401 Otar l'r. Parker:
SlN EC1:
C10$E0010F NK LULLE11h 09-02 SikES$ C0kkO510h CLACK 1h6 Of HIGH-HAR0hE55 life 410 51AINLI55 STEEL is0L11hG 1H ANC00k DARLING CHECKVALVESORVALVESOfSlH1LARDESIGh"(1ACN05.74298AND 74299) 1:y letter dated February 10, atd Septen.ber 27, 1990 you responded to Bulletin 09-02 for the Prairie Island Muclear Getiet atir.g rierit Unit Nos. I ar.d P.
These 1ctiers providec' results cri Anchor Darlir.g check valvt it,su ctiori et trairie Isler.d and describe en inspction schedule fcr sin.ilet desigried check valves ir, uit et Prairit Islard.
In the response you cor.firn.ed the rep 1Lcen4r.t of all tetaitiit.t b10c) studs in the Ancher Derling check valves and prescrited i schtc'ule for inspecting er.d replacirg the block studs it' the check valves of sirnilar design. W find your conritn;ent to replace all. check valve bolts on both Units prior. to May 31, 1991, to be reasonable er.d therefore acceptabit.
On this besis, we consic'tr that you have con. plied with the r(ciuiterients of the bulletin enc t.o further action beyond what you elready cormitted to is required.
This closes TAC Nos. 74298 and 74299.
Sincerely, c
n 1
/ hw s i
Derr.inic C. Dilanni, Project Mariagtr Project Directcrate 111-1 Divisicn of Reactor Projects - III, l.'
IV, V & Special Proje:ts Office of Nuclear Reactor Regulation cc: Ste tiext page
Mr. T. M. Parker Prairie Island Nuclear Generating Northern States Power Company Plant CC:
Gerald Charnoff, Esq.
Shaw, Pittman, Potts and Trowbridge 2300 N Street, N.W.
Washington, DC 20037 Dr. J. W. Ferman Minnesota Pollution Control Agency 520 Lafayette Road St. Paul, MN 55155 Mr. E. L. Watzl, Plant Manager Prairie Island Nuclear Generating Plant Northern States Power Company Route 2 Welch, Minnesota 55089 Joseph G. Maternowski Assistant Attorney General Environmental Protection Division Suite 200 520 Lafa ette Road St. Paul Minnesota 55155 U.S. Nuclear Regulatory Commission Resident Inspector's Office 1719 Wakonade Drive East Welch, Minnesota 55089 Regional Administrator Pegion III U.S. Nuclear Regulatory Comission Office of Executive Director for Operations 799 Roosevelt Road Glen Ellyn, Illinois 60137 Mr. William Miller, Auditor Goodhue County Courthouse Red Wing, Minnesota 55066
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