ML17187A608
| ML17187A608 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 10/08/1996 |
| From: | Capra R NRC (Affiliation Not Assigned) |
| To: | Johnson I COMMONWEALTH EDISON CO. |
| Shared Package | |
| ML17187A609 | List: |
| References | |
| TAC-M96507, NUDOCS 9610100275 | |
| Download: ML17187A608 (3) | |
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Ms. Irene Johnson, Acting Manager Nuclear Regulatory Services Commonwealth Edison Company Executive Towers West III October 8, 1 996 1400 Opus Place, Suite 500
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Downers Grove, IL 60515
SUBJECT:
EVALUATION OF INSERVICE TESTING RELIEF REQUEST - DRESDEN NUCLEAR POWER STATION, UNIT 3 (TAC NO.. M9650!)
Dear Ms. Johnson:
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By letter dated September 5; )996, *you submitted* a one,~ime req~est for relief from certain. provisions of Secfion; XI.of the Ameriqrn Society *of Mechanical Engineers (ASME) Boiler a.nd/~r~ss,lire Vess.el Code, (~ode),, pursuant td 10 CFR 50.55a for certain plant safe~y/,rel ief.valves;
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I As required by 10 CFR 50.55'a, itfaervite ~testing OST),,. o.f certain ASME Code Class l, 2, and 3 pumps and valves must b..e*.performed.in: accordance with Section XI of th.e ASM~ Code, e~ce'pt 'whe~e a*lte)'.'.nat*i ves are ~authorized.or relief is granted by the CommiSsion pur.suant ~to paragr~phs *ca)(3)(i),.
(a)(3)(ii), or (f)(6)(i}.
In'orcjer to pbtain authqr.izatfon or relief, *the*
licensee must demonstrate, thar~Cl) *the*' proposed alternatives pro vi de an acceptable level of quality *and 'safety, (2) compliance*wpuld result in hardship or unusual difficulty '.w~thout a compensating increase in the. leve.l of quality and safety, o~ (3)*conformance is impractical ~for its facility.
Guidance on acceptable alternatives,to Section XI requir,em~nts for certain aspects of the IST program was prq:v.i ded. by th~.,rmc in Generic Letter 89-04.
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The staff has reviewed the relief request proposed in your September 5, 1996, letter. The alternative you have proposed to the ASME Code testing of the main steam safety valves and the safety/relief valve is authorized pursuant to 10 CFR 50.55a(a)(3}(ii} in that co~pliance with the code requirements would result in hardship* without a compensating increase in the level of quality and safety.
The specific details are contained in the enclosed SE.
Sincerely, Original signed by: Clyde Shiraki for
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96101002*75 961008
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Rotjert A.
Capra~ Project birector Project Directorate 111-2
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~DOGK 05000249 Pj 'I PDR
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Df~ision of Reactor Projects - Ill/IV Office of Nuclear Reactor Regulation Docket No. 50-249 NBC fll CENTER CIWY I) I
Enclosure:
Safety.Evaluation cc w/encl:
see next page DISTRIBUTION:
Wo.~~l;~J:~
PUBLIC POii 1-2 r/f ACRS, T2E26 J. Stang Ofo J J. Roe, JWR E. Adensa~
OGC, 015Bl9 P. Hiland, Rill DOCUMENT NAME:
DR96507.LTR
- SEE R. Capra G. Hill (4}, T5C3 PREVIOUS CONCURRENCE.
C. Moore G. Hammer, 07E23 bo "C" = Copy without enclosures "E" = Copy with enclosures "N" = No copy OFFICE PM:
& OGC NRR:EMEB D: POI II-NAME JS ar E. Holler
- R. Wessman*
RCAPRA DATE 10 10/7/96 10/04/96 10/ B /96 OFFICIAL RECORD COPY
A UNITED STATES A
. *CLEAR REGULATORY COMMlsmt:>N WASHINGTON, D.C. 20555-4001 Ms. Irene Johnson, Acting Manager Nuclear Regulatory Services Commonwealth Edison Company Executive Towers West III 1400 Opus Place, Suite 500 Downers Grove, IL 60515 October 8, 1996
SUBJECT:
EVALUATION OF INSERVICE TESTJNG RELIEF REQUEST - DRESDEN NUCLEAR POWER STATION, UNIT 3 (TAC NO. M96507)
Dear Ms. Johnson:
By letter dated September 5, 1996, you submitted a one-time request for relief from certain provisions of Section XI of the American Society of Mechanical*
Engineers (ASME} Boiler and Pressure Vessel Code (Code) pursuant to 10 CFR 50.55a for certain plant safety/relief valves.
As required by 10.:CFR 50.55a, 1nservice testing (IST) of certain ASME Code Class 1, 2~ *and 3 pumps and valves must be performed in accordance with Section XI of the ASME Code, except where alternatives ~re authorized or.
relief is granted by the Commission pursuant to paragraphs (a)(3)(i),
(a)(3)(ii), or (f)(6)(i).
In order to obtain authorization or relief, the licensee must demonstrate that (l} the proposed alternatives* provide an acceptable level of quality and safety~ (2) compliance would result in hardship or unusual. difficulty without a compensating increase in the l~vel of quality and safety, or (3) conformance is impractical for its facility.
Guidance on acceptable alternatives to Section XI requirements for certain aspects of the IST program was provided by the NRC in Generic Letter 89-04.
The staff has reviewed the relief request proposed in your September 5, 1996, letter. The alternative you have proposed to the ASME Code testing of the main steam ~afety valves ~nd the safety/relief valve is authorized pursuant to 10 CFR 50.55a(a)(3)(ii) in that compliance with the code requirements would result in hardship without a compensating increase in the level of. quality and safety~ The specific details are contained in the enclosed SE.
Docket No. 50-249 Enc.losure: Safety Evaluation cc w/encl:
see next page Sincerely, cr~t;.Jw Robert A. Capra, Project Director Project Directorate IIl-2 Division of Reactor Projects - Ill/IV Office of Nuclear Reactor Regulation
I. Johnson Convnonwealth Edison Company cc:
Michael I. Miller, Esquire Sidley and Austin One First National Plaza Chicago, Illinois 60603 Site Vice President Dresden Nuclear Pewer Station 6500 North Dresden Road Morris, Illinois 60450-9765 Station Manager Dresden Nuclear Power Station 6500 North Dresden Road Morris, Illinois 60450-9765 U.S. Nuclear Regulatory Conunission Resident Inspectors Office Dresden Station 6500 North Dresden Road Morris, 111 i no is 60450.-976.6 Regional Administrator U.S. NRC, Region III 801 Warrenville Road Lisle, Illinois 60532-4351 Illinois Department of Nuclear Safety Office of Nuclear Facility Safety 1035 Outer Park Drive Springfield, Illinois 62704 Chairman Grundy County Board Administration Buil~ing 1320 Union Street Horris, Illinois 6G450 Document Control Desk-Licensing Commonwealth Edison Company 1400 Opus Place, Suite 400 Downers Grove, Illinois 60515 Dresden Nuclear Power Station Unit Nos. 2 and 3