ML20151X487
| ML20151X487 | |
| Person / Time | |
|---|---|
| Site: | Perry  |
| Issue date: | 08/18/1988 |
| From: | Colburn T Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20151X479 | List: |
| References | |
| NUDOCS 8808250380 | |
| Download: ML20151X487 (4) | |
Text
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UNITED STATES
[
g NUCLEAR REGULATORY COMMISSION 7,
WASHING TO N, D. C. 20655
,o SAFETY EVALUATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION RELATED TO AMENOMENT NO.
16 TO FACILITY OPERATING LICENSE NO. NPF-58 THE CLEVELAND ELECTRIC ILLUMINATING COMPANY, ET AL.
PERRY NUCLEAR POWER PLANT, UNIT NO. 1 DOCKET NO. 50-440
1.0 INTRODUCTION
By letter dated February 12, 1988, the Cleveland Electric Illuminating Company, et al. (licensees), requested an amendment to Facility Operating License No.
NPF-58 for the Perry Nuclear Power Plant (PNPP) Unit No. 1.
The pro amendment would revise the limiting conditions for operation (LCO's) posed for the reactor coolant system leakage detection methods to increase flexibility for continuing operation with one or more leakage detection systems inoperable.
Specifically, the proposed amendment would have allowed operation with the drywell air cooler condensate flow rate monitoring system inoperable for an indefinite period of tira so long as the drywell floor drain sump was o>erable.
The licensees' basis for this change was to take credit for redundancy
)etween these two systems as all drywell air cooler condensate flow is part of the drywell floor drain sump flow.
The licensees also submitted the proposed amendment under exigent circumstances in accordance with 10 CFR 50.91(a)(6) because the drywell air cooler condensate flow meter had recently become inoperable, placing the PNPP Unit 1 into a 30-day LCO.
Insufficient time remained for a full 30-day notice in the Federal Register before the licensees would have been required to shut down the unit.
The staff determined that the licensee met the emergency circumstances of 10 CFR 50.91(a)(5), however, the staff intended to offer a reduced (2-wec..) notice period in the Federal Register for the proposed issuance of this amendment and opportunity for hearing in order to avoid unnecessarily shutting down the plant.
Subsequent to their February 12, 1988 amendment request Perry Unit No. 1 experienced an unplanned outage of sufficient duration to allow the licensees to repair the drywell air cooler condensate flowmeter. Therefore, the emergency circumstances associated with their request no longer existed. The licensees were informed in an April 21, 1988 request for additional infonnation that the staff intended to wait until expiration of the full 30-day notice period in the Federal Register before taking action on their request.
In response to the staff's request for additional information, by letter dated May 20, 1988 the licensees revised their original amendment request.
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2 2.0 DISCUSSION AND EVALUATION Regulatory Guide 1.45 (R.G.1.45) "Reactor Coolant Pressure Boundary Leakage Detection Systems " dated May 1973 provides guidance for meeting General Design Criterion 30. "Quality of Reactor Coolant Pressure Boundary," of Appendix A to 10 CFR Part 50. This guide describes acceptable methods of establishing reactor coolant pressure boundary leakage detection systems for light-water reactors.
Regulatory Position C.3 of R.G.1.45 states that at least three separate methods of leakage detection should be available.
It further provides guidance on which systems should be available so as to provide both diversity and redundancy of leakage detection methods. Regulatory Position C.3 states that two of the three methods of leakage detection should be (1) sump level and flow monitoring and (2) airborne particulate radioactivity monitoring (this provides diversity, one method being a direct measurement of leakage in gallons per minute (gpm), the second being an indirect measure of radioactivity which could be converted to an expected leak rate). The third method may be condensatt flow from air coolers or monitoring of airborne gaseous radioactivity (this provides redundancy with one of the two types of leakage detection methods listed above).
The staff has reviewed the licensees' May 20, 1988 submittal against the guidance contained in R.G.1.45.
The revised Technical Specifiations require 3 of 4 leakage detection systems (drywell floor drain and equipment drain sump flow monitoring, and two of drywell atmosphere particulate monitoring, drywell atmosphere gaseous activity monitoring, drywell air cooler condensate flow rate monitoring) to be operable, at least one of which will provide direct indication in gpm of indicated leakage. The revised LCO's permit continued operation for 30 days with one of the required systems inoperable under conditions that provide suitable redundancy and diversity.
Based upon its review, the staff finds that the licensees' proposed amendment meets the intent of the guidance contained in R.G.1.45 and is therefore, acceptable.
3.0 COMENTS RECEIVED By letter dated March 3,1988, coments concerning the licensees' submittal (February 12,1988) were sent to the NRC by Ms. Susan L. Hiatt representing Ohio Citizens for Responsible Energy (OCRE). Ms. Hiatt had two coments.
- First, OCRE questioned whether a unit shutdown provided sufficient legal basis for classifying an amendment as an emergency or for justifying approval. Secondly.
OCRE questioned why the amendment should be of permanent vice temporary duration and why the system cot!d not be repaired or returned to service at the next unplanned shutdown or at the one occurring the previous week.
In response to the first coment,10 CFR 50.91 (a)(5) provides "[w]here the Comission finds that an emergency situation exists, in that failure to act in a timely way would result in derating or shutdown of a nuclear unit, or in prevention of either resumption of operation or of increase in power output up to the plant's licensed power level it may issue a license amendment involving no significant hazards consideration without prior netice and opportunity for a hearing or for public coment." In the case of this particular amendment, since time existed (2rior to requiring plant shutdown) for a short duration (2-week) notice in tie Federal Register, the Comission chose to publish a 2-week notice prior to issuance of the amendment.
O 3-With respect to the second coment, the licensees did fix the component which resulted in the need for consideration of this amendment request as an emergency during the unplanned outage occurring the week prior to OCRE's letter. The reason for this proposed amendment being submitted on a permanent rather than temporary basis is that the design of the air cooler condensate flowmeter is such that clogging of the flowline occurs frequently (twice more prior to amend-cent issuance).
If no unplanned outage were to occur prior to expiration of the 30-day LC0 associated with this component, the licensees would be required to shut down or to submit a temporary license amendment request each time this occurred. While numerous temporary license amendments could be processed, it is more desirable to resolve the issue through issuance of a permanent license amendment.
3.0 ENVIRONMENTAL CONSIDERATION
This amendment changes a requirement with respect to installation or use of a facility component located within the restricted area as defined in 10 CFR Part 20 or changes a surveillance requirement. The staff has detennined that the amendment involves no significant increase in the amounts, and no significant change in the types, of any effluents that may be released offsite, and that there is no significant increase in individual or cumulative occupational radia-tion exposure. The Comission has previously issued a proposed finding that the amendment involves no significant hazards consideration. Public comments were submitted on March 3,1988 by Susan L. Hiatt representing Ohio Citizens for Responsible Energy and are addressed in this Safety Evaluation. Accordingly, the amendment meets the eligibility criteria for categorical exclusion set forth in 10 CFR 51.22(c)(9). Pursuant to 10 CFR 51.22(b), no environmental impact statement or environmental assessment need be prepared in connection with the issuance of the amendment.
4.0 CONCLUSION
The staff has concluded, based on the considerations discussed above, that:
(1) there is reasonable assurance that the health and safety of the public will not be endangered by operation in the proposed manner, and (2) such activities will be conducted in compliance with the Comission's regulations and the issuance of this amendant will not be inirical to the comon defense and security or to the health and safety of the public.
Principal Contributor: Timothy G. Colburn Dated: August, 18, 1988
Mr. Alvin Kaplan Perry Nuclear Power Plant The Cleveland Electric Unit 1 Illuminating Company cc:
Shaw, Pittman, Potts & Trowbridge Mr. James W. Harris, Director 2300 N Street, N.W.
Division of Power Generation Washington, D.C.
20037 Ohio Department of Industrial Relations David E. Burke P.O. Box 825 The Cleveland Electric Columbus, Ohio 43216 Illuminating Company P.O. Box 5000 The Honorable Lawrence Logan Cleveland, Ohio 44101 Mayor, Village of Perry 4203 Harper Street Resident Inspector's Office Perry, Ohio 44081 U.S. Nuclear Regulatory Comission Parmly at Center Road The Honorable Robert V. Orosz Perry, Ohio 44081 Mayor, Village of North Perry North Perry Village Hall Regional Administrator, Region III 4778 Lockwood Road U.S. Nuclear Regulatory Comission North Perry Village, Ohio 44081 799 Roosevelt Road Glen Ellyn, Illinois 60137 Attorney General Department of Attorney General Frank P. Weiss, Esq.
30 East Broad Street Assistant Prosecuting Attorney Columbus, Ohio 43216 105 Main Street Lake County Administration Center Radiological Health Program Painesville, Ohio 44077 Ohio Department of Health 1224 Kinnear Road Ms. See Hiatt Columbus, Ohio 43212 OCRE Interim Representative 8275 Munson Ohio Environmental Protection Mentor Ohio 44060 Agency 361 East Broad Street Terry J. Lodge, Esq.
Columbus, Ohio 43266-0558 618 N. Michigan Street Suite 105 Mr. Phillip S. Haskell, Chairman Toledo, Ohio 43624 Perry Township Board of 1rustees Box 65 John G. Cardinal, Esq.
4171 Main Street Prosecuting Attorney Perry, Ohio 44081 Ashtabula County Courthouse Jefferson, Ohio 44047 State of Ohio Public Utilities Comission Eileen M. Buzzelli 180 East Broad Street The Cleveland Electric Columbus, Ohio 43266-0573 Illuminating Company P. O. Box 97 E-210 Mr. Murray R. Edelman Perry, Ohio 44081 Centerior Energy 6200 Oaktree Blvd.
Independence Ohio 44131'
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