ML20141D461
| ML20141D461 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 03/31/1986 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20141D458 | List: |
| References | |
| NUDOCS 8604080088 | |
| Download: ML20141D461 (4) | |
Text
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NUCLEAR REGULATORY COMMISSION 5
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SAFETY EVALUATTON BY THE OFFICE OF NUCLEAR REACTOR REGULATION SUPPORTING AMENDMENT N0.100 TO PROVISIONAL OPERATING LICENSE NO. DPR-16 GPU NUCLEAR CORPORATION AND JERSEY CENTRAL POWER A LIGHT COMPANY OYSTER CREEK NUCLEAR GENERATING STATION DOCKET NO. 50-219
1.0 INTRODUCTION
Ry letters dated December 10, 1982, and April 15, 1985 as suoerseded November 13, 1985, GPU Nuclear (the licensee) has reouested an amendment to Provisional Operatino License No. DPR-16 for Oyster Creek Nuclear Generating Station (0yster Creek). This amendment would authorize channes to the Appendix A Technical Specifications (TS) pertainino to mechanical and hydraulic snubbers. These changes are to Section 3.5 and 4.5, Containment, and to Section 6.10.2, Administrative Controls - Record Retention, and the Bases for these sections in the TS, 2.0 DISCUSSION AND EVALUATION Operating experiences, advances in the state-of-the-art, voids in some specific reouirements, and non-uniform interpretations indicated the need for changes, clarifications, and imorovements in the Boiling Water Reactor Standard Technical Specifications (STS) for inservice operability and surveillance reauirements for snubbers. To reflect accumulated experience obtained in the past several years, the NRC staff issued Revision I of the snubber STS. By NRC Generic Letters dated November 20, 1980 to power I
reactor licensees (except SEP licensees) and March 23, 1981 to SEP licensees, the NRC reauested all licensees to incorporate the requirements of this revision into their plant-specific TS.
The revised STS included:
Addition of mechanical snubbers to the surveillance program; Deletion of the blanket exemption for testing of areater than 50,000 lb. rated capacity snubbers.
(Snubbers of greater than 50,000 lb.
capacity are now included in the testino proaram);
Deletion of the requirement that seal material receive NRC approval; Clarification of test requirements; Provision for in-place testing; and Addition of a service life monitoring proaram.
9604080088 860331 PDR ADOCK 05000219 P
. Recently the NRC staff reassessed the inclusion o# snubber listings within the TS and concluded such listings are not necessary orovided the snubber TS is modified to specify which snubbers are required to be operable and plant records containing the appropriate snubber data are maintained. By NRC Generic letter 84-13 dated May 3, 1984 to power reactor licensees (except SEP licensees) and to all apolicants for licenses to operate power reactors, the NRC advised that licensees may choose to request a license amendment to delete the tabular listing of snubbers from its TS. By NRC letter dated July 31, 1984, Generic Letter 84-13 was also made applicable to all SEP licensees.
In response to the initial NRC request, by letter dated December 10, 1982, the licensee submitted an application for license amendment and proposed TS l
changes for operability and surveillance reouirements for snubbers. By letter dated April 15, 1985, the licensee responded to the NRC Generic letter 84-13, and submitted Revision 1 requesting deletion of snubber tables from its proposed snubber TS.
Durine an NRC Region I inspection of the plant on August 14-73, 1985, the licensee's submittal was reviewed and compared with the model STS, and clarification was obtained in several areas where there were differences between the licensee's submittal and the STS.
(9ee Inspection Report No.
50-219/85-27 dated September 9, 1985). As a result of the staff's comparison review, the licensee by letter dated November 13, 1985, submitted Devision 2 of its proposed snubber TS. This safety evaluation is for the licensee's November 13, 1985 Revision 2 TS submittal.
3.0 EVALUATION The staff has evaluated the licensee's snubber TS submittal and has determined it to be in agreement with the intent o# the STS.
The snubbers STS apply to Oyster Creek. The licensee's proposed snubber operability and surveillance requirements have done the followino: defined testino and acceptance criteria, included mechanical snubbers, removed the exemption #cr testing snubbers areater than 50,000 lb. capacity, and included a service life monitoring proaram.
During the evaluation, the staff recognized that the licensee's TS are in a custom format (nct STS format). The proposed snubber TS are consistent with the existing TS format. The staff also recognized that there can be circumstances where a plant-specific approach is warranted. Several soecifics of this evaluation are addressed below.
TS Snubber Tables The licensee's Table listino of snubbers has been deleted from the proposed snubber TS based on the NRC Generic letter 84-13 guidance.
The staff has reviewed the licensee's submittal and has determined that the snubber TS include service life monitoring, record keeping requirements, and specifies the snubbers required to be operable as stated in the NRC Generic Letter, therefore, the staff finds the licensee's oroposed snubber Table deletion acceptable.
. Functional Test Frequency The licensee's proposed TS defines functional testing to be performed once each refueling cycle instead of refueling outage. The licensee has stated that the removal of one accessible snubber, and testino and replacing it on a one-at-a-time (another snubber not removed until the first is replaced) planned basis prior to shutdown provides the licensee latitude to avoid snubber testing becomino the critical path for the planned shutdown work.
The licensee stated that it has been followino this process with its existing TS and when any snubber is removed the snubber is declared inoperable and the appropriate action statements followed.
The staff has reviewed the licensee's TS and the conditions under which the functional testing of a snubber durina operation is to be performed. The staff has determined that the licensee's present and proposed system of being able to remove and functionally test one snubber at a time during the refuelino cycle time period while stayino within the limiting condition for operation action statements is consistent with staff policy regardino voluntary entry into TS action statements. Therefore, the staff #inds the licensee's proposed functional testing durina the refueling cycle to be accentable.
Rases The proposed chances to the Rases of the TS have been reviewed by the staff and found to be correct and, therefore, acceptable.
Conclusion Based on the above, the staff finds that the licensee's proposed snubber TS are acceptable.
4.0 ENVIRONVENTAL CONSIDERATION This amendment involves a change to a requirement with respect to the installation or use of a facility component located within the restricted area as defined in 10 CFR Part 20 and chanaes to the surveillance requirements. The staff has determined 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 radiation exposure. The Conmission has previously issued a proposed finding that this amendment involves no significant hazards consideration and there has been no public comment on such finding. Accordingly, this amendment meets the elioibility criteria for categorical exclusion set forth in 10 CFR 51.22(c)(9). Pursuant to 10 CFR 51.22(b) no environmental impact statement nor environmental assessment need be prepared in connection with the issuance of this amendment.
5.0 CONCLUSION
The staff has concluded, based on the considerations discussed above, that:
(1) there is reasonable assurance that the health and safety of the Dublic will not be endanaered by operation in the proposed manner, and (2) such activities will he conducted in compliance with the Commission's regulations and the issuance of this amendment will not be inimical to the common defense and security nor to the health and safety of the public.
Principal Contributor:
H. Gregg.
Dated: March 31,1986 i
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