ML20045E145
| ML20045E145 | |
| Person / Time | |
|---|---|
| Site: | Dresden, Quad Cities  |
| Issue date: | 06/23/1993 |
| From: | Schuster T COMMONWEALTH EDISON CO. |
| To: | Murley T NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), Office of Nuclear Reactor Regulation |
| References | |
| REF-PT21-93 93-007, 93-7, NUDOCS 9307010175 | |
| Download: ML20045E145 (2) | |
Text
w A i} 1400 Opus Place Ccmm:nwealth Edison
,.s V
Downers Grove, Illinois 60515 June 23,1993 Dr. Thomas E. Murley-Oflice of Nuclear Reactor Regulation l'
U.S. Nuclear Regulatory Commission Washington, DC 20555 i
Attn: Document Control Desk
Subject:
Commonwealth Edison Company 10 CFR Part 21 Interim Report 93-007 Dresden/ Quad Cities Station Emergency Operating Procedures and Guidance Related to the Alignment of Post-LOCA Decay IIcat Removal Systems
References:
(a)
T.K. Schuster to T.E. Murley letter dated March 19,1993.
(b)
T.K. Schuster to T.E. Murley letter dated April 23,1993.
Dear Dr. Murley:
The purpose of this letter is to revise the information contained in the 10 CFR Part 21 interim report submitted in References (a) and (b). The interim report addressed the concerns by Conunonwealth Edison Company (CECO) regarding the subject procedures and information provided by the Boiling Water Reactor Owners Group (BWROG)in Revision 4 of the BWROG Symptomatic Emergency Procedure Guidelines.
As stated in the Reference (a) letter, ECCS may not be capable of achieving the required water level as specified in Dresden Station's Emergency Operating Procedures.
CECO indicated (Reference (a)) that review of this issue would be complete by April 26, 1993. Ilowever, due to additional on-going analyses, our evaluation has not been completed. CECO will complete the 10 CFR Part 21 evaluation and submit a final 10 CFR Part 21 Report by July 23,1993.
Provided as an attaclunent to this letter is CECO's final report in accordance with the requirements of 10 CFR Part 21, Section 21.21(a)(2).
If there are any questions regarding this notification, please direct them to Eric S. Steckhan at (708) 663-7437.
4 Respectfully, 300013
%g Mg/
j Terence K. Schuster Licensing Operations Manager i.
Attachment:
10 CFR Part 21 revised Interim Report ec:
J. Martin, Regional Administrator - RIII Q
'l J.E. Dyer, Directorate III-2 Director, NRR 9307010175 930623
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PDR _ADOCK 0500 0
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4 Corrective Actions:
Operations personnel have evaluated the potential defect, and made the appropriate changes to opernwr training to ensure that if core level cannot be established or maintained at or above the tope of active fuel, then appropriate a'ctions will be taken to ensure that CCSW is aligned in a timely fashion _in.
conjunction with other recovery actions intended to flood containment and recover core level.
10 CFR 21 Evaluation ECCS may not be capable of achieving the required water level as specified in Dresden Station's Emergency Operating Procedures. CECO will complete the 10 CFR Part 21 evaluation by June 16,1993. A Final 10 CFR Part 21 Report will-be issued by July 23,1993.
Contacts Questions pertaining to this notification should be addressed to:
Eric S. Steckhan Engineering & Construction - PRA & Reliability Engineering Commonwealth Edison Company 1400 Opus Place, Suite 300-Downers Grove, Illinois 60515 (708) 663-7437 A
l J
.