ML20137S758

Ack Receipt of 850625 Schedule for Meeting Requirements of Hydrogen Control Rule.Date of 861231 for Final Analysis Required by Rule Acceptable

ML20137S758
Person / Time
Site:	Clinton
Issue date:	09/23/1985
From:	Butler W Office of Nuclear Reactor Regulation
To:	Spangenberg F ILLINOIS POWER CO.
References
NUDOCS 8509300497
Download: ML20137S758 (3)

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t SEP 2 31985 Docket No.'50-461' Mr. Frank A. Spangenberg Director of fiuclear Licensing &

Configuration Management Clinton Power Station P.O. Ecx 306 Mail Code V920 Clinton, Illinois 61727

SUBJECT:

SCHEDULE FOR MEETING REQUIREllENTS OF THE HYDROGEN CONTROL RULE FOR CLINTON POWER STATION 1

i The NRC staff acknowledges receipt of your letter dated June.25,1985, setting forth your proposed schedule for reeting the requirements of the final rule on hydrogen control as required by 10CFR50.44(3)(c)(vii)(A). The' proposed schedule l

is based upon the current schedule for completion of all tasks incorporated in the Mark III Contairment Hydrogen Control Owners Group (HCGG) Program Plan I

j (Revision 3). As you are aware, the staff is continuing to work with and racet frequently with HC0G toward the conpletion of this effort. Some adjustments in the intetudiate milestones identified in this schedule can reasonably be expected and can be periodically cocumented in updates of the Program Plan.

The Program Plan identifies December 31, 1986, as the scheduled date for completion and submittal to the staf f of all elements of the final analysis required by the rule. This date is acceptable to the staff for completion of the final analysis.

In the event that the final analysis should provide a basis for the staff to conclude that certain equipment enhancements are necessary to j

assure. survivability of certain essential equipment during the postulated hydrogen burn events, as required by the rule, an additional period of time will be necessary to icplenent such enhancements Any enhancenents determined to be necessary shall be implemented prior to startup following the first refueling l

outage, as indicated in your letter of June 25, 1965.

Sincerely, l

7riginal s!gned by Walter R. Butler, Chief Licen-sing Branch No. 2 i

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s SEP 2 31985 Docket No. 50-461 Mr. Frank A. Spangenberg Director of Nuclear Licensing &

Configuration Management Clinton Power Station P.O. Box 306 Mail Code V920 Clinton, Illinois 61727

SUBJECT:

SCHEDULE FOR MEETING REQUIREMENTS OF THE HYDR 0 GEN CONTROL RULE FOR CLINTON POWER STATION The NRC staff acknowledges receipt of your letter dated June 25, 1985, setting forth your proposed schedule for meeting the requirements of the final rule on hydrogen control as required by 10CFR50.44(3)(c)(vii)(A). The proposed schedule is based upon the current schedule for completion of all tasks incorporated in the Mark III Containment Hydrogen Control Owners Group (HC0G) Program Plan (Revision 3). As you are aware, the staff is continuing to work with and meet frequently with HCOG toward the completion of this effort. Some adjustments in the intermediate milestones identified in this schedule can reasonably be expected and can be periodically documented in updates of the Program Plan.

The Program Plan identifies December 31, 1986, as the scheduled date for completion and submittal to the staff of all elements of the final analysis required by the rule. This date is acceptable to the staff for completion of the final analysis.

In the event that the final analysis should provide a basis for the staff to conclude that certain equipment enhancements are necessary to l

assure survivability of certain essential equipment during the postulated l

hydrogen burn events, as required by the rule, an additional period of time will be necessary to inplement such enhancements. Any enhancements detennined to be necessary shall be implemented prior to startup following the first refueling outage, as indicated in your letter of June 25, 1985.

Sincerely, Waaw?BJL Walter R. Butler, Chief Licensing Branch No. 2 O' vision of Licensing cc: See next page t

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Mr. Frank A. Spangenberg Clinton Power Station Illinois Power Company Unit 1 cc:

l Mr. Allen Samuelson, Esquire Jean Foy, Esquire Assistant Attorney General 511 W. Nevada Environnental Control Division Urbana, Illinois 61801 Southern Region Richard D. Hubbard 500 South Second Street Springfield, Illinois 62706 Vice President Technical Associates Mr. D. P. Hall 1723 Hamilton Ave. - Suite K i

Vice President San Jose, CA 95125 Clinton Power Station P. O. Box 678 Clinton, Illinois, 61727 a

lir. H. R. Victor Manager-Nuclear Station Engineering Opt.

Clinton Power Station P. O. Box 678 i

Clinton, Illinois 61727 4

Sheldon Zabel, Esquire Schiff, Hardin & Maite 7200. Sears Tower 233 Wacker Drive Chicago, Illinois 60606 Resident Inspector U. S. Nuclear Regulatory Commission RR 3, Box 229 A

~Clinton, Illinois 61727 Mr. R. C. Heider Project Manager Sargent 8 Lundy Engineers 55 East Monroe Street Chicago, Illinois 60603 j

Hr. L. Larson Project Manager L

-General Electric Con:pany 175 Curtner Avenue, N/C 395 San Jose, California 95125 Regional Administrator, Region III~

1 799 Roosevelt Road t

Glen Ellyn, Illinois-60137

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