ML17202U945

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Requests Confirmation in Writing Whether Facility Will Conform W/Staff Position Re Diversity of Trip Units Between Alternate Rod Injection Sys & Reactor Trip Sys
ML17202U945
Person / Time
Site: Dresden, Quad Cities, LaSalle  Constellation icon.png
Issue date: 01/11/1991
From: Barrett R
Office of Nuclear Reactor Regulation
To: Kovach T
COMMONWEALTH EDISON CO.
References
NUDOCS 9101160100
Download: ML17202U945 (5)
v • d • e


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UNITEDSTATES N

LEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 Docket Nos. 50-237, 50-249 50-254~ 50-265 and 50-373, 50-374 Mr. Thomas J. Kovach Nuclear Licensing Manager Conunonwealth Edison Company-Suite 300 OPUS West III 1400 OPUS Place*

Downers Grove, Illinois 60515

Dear Mr. Kovach:

January 11, 1991

SUBJECT:

IMPLEMENTATION OF ALTERNATE ROD INJECTION SYSTEM (ARI) DIVERSITY,.

REQUIREMENTS IN 10 CFR 50.62 (ATWS RULE) FOR DRESDEN UNITS 2 AND 3,

~UAD CITIES UNITS 1 AND 2, LASALLE UNITS 1 AND 2 The NRC's Ex~cutive Dire~tor fqr -Operations (EDO), in' letter dated

.September 20, 1990 (Enc 1 osure 1) to Mr. George J. Beek, Chairman of the BWR Owners' Group (BWROG), indicated that the staff's position on ARI trip unit.

(TU) diversity was the proper implementation of the ATWS Rule *. Specifically, the staff's position requires trip units in the ARI to be diverse from the

. ;trip units in the-reactor trip system (RTS).... -.

Accordingly, the st~ff requests you_ to confirm in writing *whether the Dresden, Quad Cities and LaSalle Statfons conform with the* staff's position regarding *

  • *
  • diversity of TUs between the ARI system and the RTS *. To *assist you in making

~his determination, we ~re enclosing relevant.porti~ns of th~ staff's submittal

  • to the.Committee to Review Generic Requ"_irements (CRGR) (Enclosure 2) and the Minutes of CRGR Meeting No. 189 (Enclosure 3).

In the event that your plants do not conform to the staff's position on this matte*r, you should negotiate a schedule hi accordance with 10 CFR *so~62(d) with the appropriate project manager for ~ach of.these stations.

In his letter to the BWROG, the EDO also indicated that, nit should be recognized, that this is a generic po'sition and there could be reason for making exceptions in specific tases; however, no requests for relief are currently under.reviewr" Requests for relief from thh requirement should be submitted in accordance -

with 10 CFR 50.12.

  • we request that.you respond within 60 days from receip_t of this. letter. If you have any questions on this*matter, please.contact the appropriate Project Manager for each of these stations.

n*. I 9101160100 910111

~DR ADDCK O~fi~J

, Mr. Thomas January 11, 1991

  • \\-

. :\\This request is covered by Office of Management and Budget Clearance Number 3150-0011, which expfres January 31, 1991.

The estimated average number of

. *-burden hours is 20 person hours per licensee response, including searching data sources, gathering and analyzing the information, and writing the requested reports. Send comments regarding this burden estimate or any other asp~ct of this collection of information~ including suggestions for reducing this burden, to the Information and Records Management Branch

{MNBB-7714)~ Division of Information Support Services, Office of Information Resources Management, U.S. Nuclear Regulatory Commission, Washington,

  • p.c. 20555; and to the Paperwork Reduction Project {3150-0011), Office of Information and Regulatory Affairs, NEOB-3019, Office of Management and Budget, Washington, D.C.

20503~

Enclosures:

As stated

. cc:. See next page

  • . DISRTIBUTION Docket Fi le NRC & Local PDRs PD-3/2. r/f A. Thadani B. Boger J. Zwolinski R. Barrett J. Hannon C. Moore B. Siegel L. Olshan J. Hickman S. Newberry D. Lynch.

.

  • Or1wna1 Signed By:
  • Richard J. Barrett, Direc~or.

Proj~ct Dire~totat~ III/2 Division of Reactor Projects III/IV/V Office of Nuclear Reactor Regulation A. Gody, Jr.

OGC L Jordan

po *312 Plant Fi le W. Schafer OFFICIAL RECORD COPY Document Name:

ATWS

'i J

, *.I

". *~ :..

.:..'1

Mr. Thomas J. Kovach Commonwealth Edison Company cc:

Michael I. Miller, Esq.

Sidley and Austin One First National Plaza Chicago, Illinois 60690 Mr. J. Eenigenburg Plant Superintendent Dresden Nuclear Power Station Rura 1 Route #1 Morris, Illinois 60450 U. S. Nuclear Regulatory Commission Resident Inspectors Offic*e

  • Dresden Station Rural Route #1
  • Morris, 111 i noi s 60450 Chairman*

,Board of Supervisors of

.Grundy. County

  • Grundy County Courthouse*
  • Morris, Illinois 60450 Regional *Administrator Nuclear Regulatory Commission, Region III 799 Roosevelt Road, Bldg. #4

. ~l~n Ellyn, Illinois 60137 Illinois Department of Nuclear Safety.

Office of Nuclear Facility Safety 1035 Outer Park Drive

. Springfield, Illinois 62704 Robert Neumann Office of Public *counsel State of Illinois Center 100 w. Randolph Suite 11-300 Chicago, nunois 60601 Dresden Nuclear Power Station Unit Nos. 2 and 3

Mr. Thomas J. Kovach Conmonwealth Edison Company cc:

Mr. Stephen E. Shelton V-ice President Iowa-Illinois Gas and Electric Company P. 0. Box 4350 Davenport, Iowa 52808 Michael I. Miller, Esq.

Sidley and Austin One First National Plaza Chicago, Illinois 60690 Mr. Richard Bax Station Manager

  • Quad Cities Nuclear Power Station 22710 206th Avenue North

. Cordova, Illinois.61242 Resident Inspector U. S. Nuclear Regulatory Commission 22712 206th Avenue-North Cordova, Illinois 61242 Chairman Rock Island County Board of Supervisors 1504*3rd Avenue Rock Island County Office Bldg.

Rock Island, Illinois 61201 Illinois Department of Nuclear Safety

-Office of Nuclear Facility Safety 1035 Outer Park Drive Springfield, Illinois 62704 Regional Administrator, Region III*

U. S. Nucl~ar Regulatory Co11111ission 799 Roosevelt Road, Bldg. #4 Glen Ellyn, Illinois 60137 Robert Neumann *..

Office of Public Counsel State of I l1 i noi s Center 100 W. Randolph Suite 11-300 Chicago, Illinois 60601 Quad Cities Nuclear Power Station Unit Nos. 1 and 2

Mr. Thomas J. Kovach Conunonwealth Edison Company cc:

Phillip P. Steptoe, Esquire Sidley and Austin One First National Plaza Chicago, Illinois 60603

.Assistant Attorney General 100 West Randolph Street Suite 12 Chicago, Illinois 60601 Resident Inspector/LaSalle, NPS U.S. Nuclear Regulatory Commission Rural Route No. 1 P.* O. Box 224 Marseilles, Illinois 61341 Chairman*...

LaSalle Coun.ty Board of Supervisors Las.a 1 le County. Courthouse

,Ottawa,. Illinois 61350 Attorney General 500 South 2nd Street

  • Springfield, Illinois 62701 Chairman Illinois Commerce Corrmdssion Leland Building.

527 East Capitol Avenue Springfi~ld, Illinois 62706 Illinois Department of Nuclear Safety Office of Nuclear Facility Safety

. 1035 Outer Park Drive Springfield, Illinois 62704 Regional Administrator, Region IIT U. S. Nuclear Regulatory Commission 799 Roosevelt Road, Bl~g~ 14 Glen Ellyn, Illinois 60137

. Robert Neumann Office of Public Counsel State of Illinois Center 100 W. Randolph Suite 11-300 Chicago, Illinois 60601 LaSalle County Station Unit Nos. 1 and 2 Robert Cushing Chief, Public Utilities Division I 11 i noi s Atto*rney Genera 1 's Office 100 West Randolph Street Chicago, Illinois 60601 Michael I. Miller, Esq *.

Sidley and Austin One First National Plaza Chicago, Illinois 60690

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