ML15112A600

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Forwards Request for Addl Info Re Proposed TS Changes to Incorporate Modifications to Emergency Condenser Circulating Water Sys
ML15112A600
Person / Time
Site: Oconee  Duke Energy icon.png
Issue date: 04/09/1998
From: Labarge D
NRC (Affiliation Not Assigned)
To: Mccollum W
DUKE POWER CO.
References
TAC-M99487, TAC-M99488, TAC-M99489, NUDOCS 9804140496
Download: ML15112A600 (4)


Text

April 9, 1998 Mr. W. R. McCollum Vice President, Oconee Site Duke Energy Corporation P. 0. Box 1439 Seneca, SC 29679

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION - OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3 - EMERGENCY CONDENSER CIRCULATING WATER SYSTEM (TAC NOS. M99487, M99488, AND M99489)

Dear Mr. McCollum:

During our review of your submittal dated August 28, 1997, and additional information supplied by letters dated January 22, February 19, March 19, and April 6,1998, related to proposed Technical Specification changes to incorporate modifications to the Emergency Condenser Circulating Water System, the staff has determined that additional information is necessary to complete its review. We request you respond to the enclosed questions as soon as possible.

Sincerely, ORIGINAL SIGNED BY:

David E. LaBarge, Senior Project Manager Project Directorate 11-2 Division of Reactor Projects - 1/11 Office of Nuclear Reactor Regulation Docket Nos. 50-269, 50-270, and 50-287

Enclosure:

As stated cc w/encl: See next page Distribution:

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.01I op UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 April 9, 1998 Mr. W. R. McCollum Vice President, Oconee Site Duke Energy Corporation P. 0. Box 1439 Seneca, SC 29679

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION - OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3 - EMERGENCY CONDENSER CIRCULATING WATER SYSTEM (TAC NOS. M99487, M99488, AND M99489)

Dear Mr. McCollum:

During our review of your submittal dated August 28, 1997, and additional information supplied by letters dated January 22, February 19, March 19, and April 6,1998, related to proposed Technical Specification changes to incorporate modifications to the Emergency Condenser Circulating Water System, the staff has determined that additional information is necessary to complete its review. We request you respond to the enclosed questions as soon as possible.

Sincerely, David E. LaBarge, Senior Project Manager Project Directorate 11-2 Division of Reactor Projects - II Office of Nuclear Reactor Regulation Docket Nos. 50-269, 50-270, and 50-287

Enclosure:

As stated cc w/encl: See next page

Oconee Nuclear Station cc:

Mr. Paul R. Newton Mr. J. E. Burchfield Legal Department (PBO5E)

Compliance Manager Duke Energy Corporation Duke Energy Corporation 422 South Church Street Oconee Nuclear Site Charlotte, North Carolina 28242 P. 0. Box 1439 Seneca, South Carolina 29679 J. Michael McGarry, III, Esquire Winston and Strawn Ms. Karen E. Long 1400 L Street, NW.-

Assistant Attorney General Washington, DC 20005 North Carolina Department of Justice Mr. Robert B. Borsum P. 0. Box 629' Framatome Technologies Raleigh, North Carolina 27602 Suite 525 1700 Rockville Pike L. A. Keller Rockville, Maryland 20852-1631 Manager - Nuclear Regulatory Licensing Manager, LIS Duke Energy Corporation NUS Corporation 526 South Church Street 2650 McCormick Drive, 3rd Floor Charlotte, North Carolina 28242-0001 Clearwater, Florida 34619-1035 Mr. Richard M. Fry, Director Senior Resident Inspector Division of Radiation'Protection U. S. Nuclear Regulatory North Carolina Department of Commission Environment, Health, and 7812B Rochester Highway Natural Resources Seneca, South Carolina 29672 3825 Barrett Drive Raleigh, North Carolina 27609-7721 Regional Administrator, Region II U. S. Nuclear Regulatory Commission Atlanta Federal Center 61 Forsyth Street, S.W., Suite 23T85 Atlanta, Georgia 30303 Max Batavia, Chief Bureau of Radiological Health South Carolina Department of Health and Environmental Control 2600 Bull Street Columbia, South Carolina 29201 County Supervisor of Oconee County Walhalla, South Carolina 29621

Request for Additional Information Emergency Condenser Circulating Water (ECCW) System A.

Regarding to your April 6, 1998, response to Question Number 2 concerning the new electrical cabinets, please provide the following information:

I.

Physical dimensions of each new cabinet, single-bay or multibay,

2.

Cabinet Amplification factors used for each cabinet,

-- 3.

Information relating to the referenced data base (Enclosed Switchboards in Fig. 20-2 of EPRI NP-7149-D) for the purpose of comparing with the new cabinets:

a.

Critical characteristics for design (manufacturer, model, materials/physical properties etc.),

b.

Dimensions for each type of cabinets,

c.

Single-bay or multibay.

B.

Regarding your response to Question Number 6 pertaining to the seismic design of newly added A-1 cable trays, indicate that the seismic evaluation implemented for the new cable trays is based on the 0.15g MHE ground response spectrum input motion with the appropriate damping values indicated in the Updated Final Safety Analysis Report Section 3.7.1.3.

C.

The staff understands that the adequacy of commercial piece parts installed in the ECCW system following initial operation and prior to reclassification have not been verified with respect to their intended safety function. What precautions have been taken (e.g., procurement and work history reviews, walkdown verifications, performance testing, etc.) to provide reasonable assurance that commercial piece parts already installed in existing equipment will meet their intended safety functions.and that fraudulent or counterfeit items (reference: Generic Letter 89-02) have not been inadvertently installed in existing equipment?

Enclosure