ML20211B695
| ML20211B695 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 05/30/1986 |
| From: | Varga S Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20211B676 | List: |
| References | |
| NUDOCS 8606110864 | |
| Download: ML20211B695 (4) | |
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7590-01 UNITED STATES NUCLEAR RECULATORY COMMISSION PACIFIC GAS AND ELECTRIC COMPANY DOCKET NOS. 50-275 AND 50-323 NOTICE OF ISSUANCE OF AMENDMENTS TO FACILITY OPERATING LICENSESANDFINALDETERMINATIONOFNOSIGNIFICANTHAZARDSCONSIDERATIE The U.S. Nuclear Regulatory Commission (the Comission) has issued Amendment No. 8 to Facility Operating License Nos. DPR-80, and Amendment No. 6 to Facility Operating License No. DPR-82, issued to Pacific Gas and Electric Company (the licensee), which revise the combined Technical Specifications for the Diablo Canyon Nuclear Power Plant, Unit Nos. I and 2 (the facilities) located in San Luis Obispo County, California.
The amendments permit the expansion of the spent fuel storage capacity for the Diablo Canyon Nuclear Power Plant, Units 1 and 2, increasing the storage capacities from 270 to 1324 spaces for each of the two spent fuel pools. This expansion would be accomplished by reracking the existing spent fuel storage pools with new spent fuel racks composed of individual cells made of stainless steel. The new fuel storage racks will be arranged in two discrete regions within each pool. Region 1 will provide 290 poisoned cell locations which will normally be used for new fuel with an enrichment equal to or less than 4.5%
U-235. Region 2 will provide 1034 unpoisoned cell locations which will provide normal storage for spent fuel assemblies with an initial enrichment equal to or less than 4.5% U-235 and meeting required burnup considerations in accordance with the amended Technical Specifications. The existing fuel storage racks 8606110864 860530 PDR ADOCK 05000275 P
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have a nominal center-to-center spacing of 21 inch. The new racks will have a nominal 11 inch center-to-center spacing for both regions. The major conponents of the fuel racks are the fuel assembly cells, gap channels, rack base plate assembly including support legs, a girdle bar around the upper part of the rack assembly, and, in Region 1 only, neutron absorbing (poison) material Boraflex, including cover sheets. The fuel racks are designed to maintain the required subtriticality of K,ff equal to or less than 0.95 for Regions 1 and 2.
The letter requesting the license amendments, dated October 30, 1985 (LAR-85-13), includes the requested Technical Specification changes and the licensee's detennination on significant hazards consideration. The supporting report on "Reracking of Spent Fuel Pools for Diablo Canyon Units 1 and 2" had been subtr.itted to the staff by letter, dated September 19, 1985.
The application for these amendments complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Comission's rules and regulations. The Comission has made appropriate findings as required by the Act and the Comission's rules and regulations in 10 CFR Chapter I, which are set forth in these license amendments.
Notice of Consideration of Issuance of Amendments and Proposed No Signifi-cant Hazards Consideration Determination and Opportunity for Hearing in connection with this action war initially published in the FEDERAL REGISTER on January 13, 1986, (51 FR 1451) and in the bi-weekly publication on May 21, 1986, (51 FR 18699). A request for hearing was filed by (1) Mothers for Peace on February 7, 198G, (2) Sierra Club-Santa Lucia Chapter on February 10, 1986, and (3) Consumers Organized for Defense of Environmental Safety (C.O.D.E.S.)
on February 12, 1986.
_3 Under its regulations, the Comission may issue and make an amendment imediately effective, notwithstanding the pendency before it of a request for a hearing from persons, in advance of the holding and completion of any required hearing, where it has determined that no significant hazards consideration is involved.
The Comission has applied the standards of 10 CFR 50.92 and has made a final determination that these amendments involve no significant hazards consideration.
The basis for this determination is contained in the Safety Evaluation related to this action. Accordingly, as described above, these amendments have been issued and made imediately effective and any hearing will be held after issuance.
A separate Environmental Assessment has been prepared pursuant to 10 CFR Part 51. The Notice of Issuance of Environmental Assessment and Finding of No Significant Impact was published in the FEDERAL REGISTER (51 FR 19430) on May 29, 1986.
F u further details with respect to the action see (1) the application for the amendments dated October 30, 1985 and additional information provided by
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the licensee in letters dated September 19, December 20, and December 24, 1985 and January 28 (2 letters), March'11 and April 24 (2 letters),1986, (2) Amendment Nos. 8 and 6 to Facility Operating License Nos. DPR-80 and DPR-82, (3) the Comission's related Safety Evaluation and (4) Environmental l
Assessment and Notice of Issuance of Environmental Assessment and Finding of No Significant Impact. All of these items are available for public inspection at the Comission's Public Document Room,1717 H Street, N.W., Washington, D.C.,
and at California Polytechnic State University Library, Documents and Maps i
l l
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Department, San Luis Obispo, California 93407. A copy of items (2), (3) and (4) may be obtained upon request addressed to the U.S. Nuclear Regulatory Commission, Washington, D.C.
20555, Attention: Director, Division of PWR Licensing-A.
Dated at Bethesda, Maryland, this 30th day of May 1986.
FOR THE NUCLEA3 REGULATORY COMMISSION
- rha,
+ ctor PWR Project Directo a e No. 3 Division of PWR Lice ing-A, NRR 2