ML20125A882

Requests Addl Info Re Plant Reliance on Control Room Operators Not to Take Action in Specific Time Periods.Info Requested within 30 Days of Receipt of Ltr

ML20125A882
Person / Time
Site:	Oyster Creek
Issue date:	11/25/1992
From:	Dromerick A Office of Nuclear Reactor Regulation
To:	J. J. Barton GENERAL PUBLIC UTILITIES CORP.
References
TAC-M77789, NUDOCS 9212090103
Download: ML20125A882 (3)

Text

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November 25, 1992 Docket No. 50-219 Distribution:-

Docket File. ACRS (10)-

NRC & Local PDRs JFRogge, RI Mr. John J. Barton PD I-4 Plant Vice President.and Director SVarga GPU Nuclear Corporation JCalvo 0yster C*eek Nuclear Generating Station SNorris Post Office Box 388 ADromerick Forked River,' New Jersey 08731 OGC JArildsen

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION CONCERNING OYSTER CREEK RELIANCE ON CONTROL ROOM OPERATORS TO NOT TAKE ACTION IN SPErlFIC TIME PERIODS (TAC NO. M77789)

The staff has reviewed GPU Nuclear Corporation's (GPUN's) September 25, 1992-L response regarding a requirement for a 35 second delay in the closure of the l isolation condenser system (ICS) isolation valves. In order to complete our review, we need additional information. The enclosed request for additional i information is necessary to clarify information presented in the licensee's earlier response.

We request that you provide the requested information within 30 days of receipt of this letter. If you have any questions regarding this request, please contact me.

This requirement affects one respondent and, therefore, is not subject to Office of Management and Budget review under P.L.96-511.

Sincerely, Original signed by Alexander W. Dromerick, Senior Project Manager Project Directorate 1-4 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation

Enclosure:

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Mr. John J. Barton. _ Oyster Creek Nuclear GPU Nuclear Corporation Generating Station CC:

Ernest L. Blake, Jr., Esquire- Restwnt_ Inspector l Shaw, Pittman, Potts & Trowbridge c/o U.S. Nuclear Regulatory Commission 2300 N Street, NW. Post Office Box 445-u ashington, DC 20037 Forked River, New Jersey 08731 onal Administrator, Region I Kent Tosch, Chief v.s. Nuclear Regulatory Commission New Jersey Department of 475 Allendale Road Environmental Protection King of Prussia, Pennsylvania 19406 Bureau of Nuclear Engineering CN 415 BWR Licensing Manager Trenton, New Jersey 08625 1 GPL' Nuclear Corporation 1 Upper Pond Road Parsippany, New Jersey 07054 Mayor Lacey Township 818 West Lacey Road Forked River, New Jersey 08731 Licensing Manager Oyster Creek Nuclear Generating Station Mail Stop: Site Emergency Bldg.

Post Office Box 388 Forked River, New Jersey 08731

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c-RE0 VEST FOR ADDITIONAL INFORMATION OYSTER CREEK NUCLEAR GENERATING STAIIDH RELIANCE ON CONTROL ROOM 0PERAIDRS TO NOT TAKE ACTION IN SPECIFIC TIME PERIODS

1. Provide a copy of the current revision to the following alarm /arounciator response procedures (ARPs):

a. 2000-RAP-3024.01, the ARP for "lCS A & B High Flow-Possible Rupture Alarm"

b. The ARP for " Condenser A or B Vent Hi Alarm"

c. All ARPs associated with alarms on isolation condenser temperature or level

2. State the location (building, room, and panel) and exact labelling associated with each of the following alarms or indications:

a. "ICS A & B High Flow-Possible Rupture Alarm"

b. " Condenser A or B Vent Hi Alarm"

c. Isolation condenser temperture alarms or indications

d. Isolation condenser level alarms or indications

e. Redundant indicators of high rad (ation level

3. Describe all ICS timers incorporated in alarms, indications, or automatic actions in addition to the "!CS A & B tt1 h9 Flow-Possible Rupture" alarm,

4. State the specific alarms and/or indications that are used to verify an ICS pipe rupture as presented in training and/or written guidance.

5. Since no guidance or direction is given regarding overriding the 35 second delay to manually isolate the ICS on an immediate basis, describe in detail how you assure that an operator will not close the ICS condensate line isolation valves as soon as the pipe break is verified.

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