ML20113H875

Forwards Emergency Application for Amend to Licenses DPR-42 & DPR-60,requesting Authorization to Delay Performance of Surveillance Testing on Buses 16 & 26 Until Completion of Electrical Sys Upgrade Mods of SBO Project

ML20113H875
Person / Time
Site:	Prairie Island
Issue date:	08/03/1992
From:	Parker T NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20113H877	List: ML20113H875 ML20113H878 ML20113H882
References
NUDOCS 9208060099
Download: ML20113H875 (2)

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Northem States Power Company 414 Nicollet Mall Minneapolis, Minnesota 55401 1927 Telephone (612) 330-5500 August 3, 1992 10 CFR Part 50 Section 50.91(a)(5)

U S Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 PRAIRIE ISLAND NUCLEAR GENERATING PIANT Docket Nos. 50-282 License Nos. DPR-42 50-306 DPR-60 Emergency License Amendment Request Dated August 3, 1992 4160 V Safeguards Bus Surveillance Reauirements Attached is a requeet for an Emergency Change to the Technical Specifications, Appendix A of the Operating Licenses, for the Prairie Island Nuclear Generating Plant. This request is submitted in accordance with the provisions of 10 CFR Part 50, Section 50.91(a)(5) .

As a- result of not completing all of the individual surveillance test requirements specified in Prairie Island Technical Specift: 7 tion Section 4.6. A.3.b.1, and the associated bases for Section 4.6, wito u, the stated frequency, Unit 14160V safeguards bus 16 was declared inoperable at 1600 on July 27, 1992. The bus was oetermined to be inoperable per guidance provided in the Prairie Island Technical Specification definition of operability. Unit 2 4160V bus 26 will exceed its 18 month surveillance interval plus 25% on August 5, 1992, Northern States Power requested a NRR Waiver of Compliance from the 4160V safeguards bus surveillance test requirements of Prairie Island Technical Specification Section 4.6.A.3.b.1 on July 27, 1992. That request for Waiver of Compliance requested a delay in the completion of the surveillance test requirements and operability verification for 4160V safeguards buses as specified in Specification 4,6. A.3.b.1 and the basis for Section 4.6 until an Emergency License Amendment could be submitted and approved. An NRR Waiver of Compliance was verbally issued-by the NRC Staff at 2025 on July ~ 27, 1992. A written request for an NRR Iemporary Waiver of Compliance was submitted to the NRC by letter dated July 29, 1992.

This Emergency License Amendment Request is requesting authorization to delay the performance of the incomplete portion of the surveillance testing on buses i 16 and 26 until completion of the electrical system upgrade modifications of

- the station blackout project during the two unit outage scheduled to begin in l October 1992.

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Northern States Power Company USNRC.-

~ August 3 1992 Page 2 Exhibit A contains a description of the proposed changes, the reasons for requesting the changcs and the supporting safety evaluation /significant hazards determination. Exhibit B-contains current Prairie Island Technical Specification pages marked up to show the proposed changes. Exhibit C contains the revised Technical Specification pages, Please contact us if you have any questions related to these License Amendment Requests, w m. A Thomas M Parker Manager Nuclear Support Services c: Regional Administrator-III, NRC NRR Project Manager, NRC Senior Resident Inspector, NRC State of Minnesota Attn: Kris Sanda J E Silberg '

. Attachments:

Affidavit' Exhibit A - Evaluation of Proposed Changes to the Technical Specifications

- Exhibit B.- Proposed Changes Marked Up on Existing Technical Specification Pages Exhibit C - Revised Technical' Specification Pages 4

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