ML17265A335

Revocation of Exemption from Requirements of 10CFR50, Appendix R,Section Iii.G Re Exemption for Absence of Continuous fire-rated Barrier in Common Boundary Between Fire Areas at Refueling Water Storage Tank of Gnpp

ML17265A335
Person / Time
Site:	Ginna
Issue date:	06/15/1998
From:	Bajwa S NRC (Affiliation Not Assigned)
To:	ROCHESTER GAS & ELECTRIC CORP.
Shared Package
ML17265A336	List: ML17265A335
References
NUDOCS 9806190131
Download: ML17265A335 (3)

Text

7590-01-P UNITEDSTATES OF AMERICA NUCLEAR REGULATORYCOMMISSION In the Matter of ROCHESTER GAS AND ELECTRIC CORPORATION R. E. Ginna Nuclear Power Plant Docket No. 50-244 REVOCATION OF EXEMPTION The Rochester Gas and Electric Corporation (the licensee) is the holder of Facility Operating License No. DPR-18, which authorizes operation of the R. E. Ginna Nuclear Power. Plant. The license provides that the licensee is subject to all rules, regulations, and orders of the U.S.

Nuclear Regulatory Commission (NRC or the Commission) now or hereafter in effect.

The facilityconsists of a pressurized-water reactor at the licensee's site located in Wayne County, New York.

On March 21, 1985, the NRC issued 11 exemptions from the requirements of Section III.G of Appendix R to 10 CFR Part 50. The first exemption, relevant here, related to the Refueling Water Storage Tank (RWST). The licensee was granted an exemption from the technical requirements of Section III.G.2 in connection with the absence of a required continuous fire-rated barrier between redundant shutdown systems in the AuxiliaryBuilding Fire Areas ABBM and ABI. The RWST extends through the concrete fioor/ceiling at elevation 271 feet, which provides the common boundary between Fire Area ABBMand ABI. An 8-foot concrete block wall partially circles the circumference of the RWST on the upper side of the barrier. At the time the

'xemption was granted, thero was a 3-inch gap around the circumference of the RWST.

9806i90i3i 9806i5 PDR ADOCK 05000244 F

PDR By letter dated Januaiy 13, 1998, the licensee informed the NRC that the exemption is no longer required.

The licensee indicated that the subject barrier has now been sealed by insertion of a 12 inch minimum depth of kaowool into the 6-inch gap around the circumference of the tank and closure of the gap by a 3/4-inch thick steel plate.

On the basis of the licensee's submittal, the Commission hereby revokes the exemption granted on March 21, 1985, from the technical requirements of Section III.G of Appendix R to 10 CFR Part 50 with respect to the absence of a continuous fire-rated barrier at the common boundary between Fire Areas ABBMand ABI. The NRC staff did not review the modification that the licensee implemented to eliminate the need for the original exemption.

The NRC staff may review the modification and its supporting technical bases during a future on-site inspection.

'Pursuant to 10 CFR 51.32, the Commission has determined that the revocation of the exemption willhave no significant impact on the quality of the human environment (63 FR 31534).

This revocation of exemption is effective upon issuance.

FOR THE NUCLEAR REGULATORYCOMMISSION Dated at Rockville, Maryland, thistly day of June 1998.

S. Singh Bajwa, Director Project Directorate I-1 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation

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