ML19318C251

Responds to IE Bulletin 80-06, Engineered Safety Feature Reset Controls. Safety Sys Schematics Reviewed.Test Demonstrating Safety Equipment Remains in Emergency Mode After Reset Will Be Completed at Next Refueling Outage

ML19318C251
Person / Time
Site:	Prairie Island
Issue date:	06/09/1980
From:	Gilberts D NORTHERN STATES POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
IEB-80-06, IEB-80-6, NUDOCS 8007010267
Download: ML19318C251 (2)

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MSP NORTHERN 5 TATE 5 POWER COMPANY M I b.N E A PO L.l S. M I N N E S CTA 5 5 401 June 9,1980 Mr. James G. Keppler Director, Region III Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

Dear'Mr. Keppler:

PRAIRIE ISLAND NUCLEAR GENERATING PLANT Docket Nos. 50-282 and 50-306 In response to IE Bulletin No. 80-06, the following is offered:

Item 1 The safety system schematics were reviewed. Upon reset of the safety signal, safety related equipment remains in its emergency mode. The systems reviewed included:

Safety Injection Residual Heat Removal Component Cooling Containment Spray Containment Isolation Aux Feedwater Cooling Water Shield Building Ventilation Fan Coil Units Diesel Generators Reactor Coolant System Aux Building Special Vent System Control Room Air Handling Containment and Inservice Purge Chilled Water Main Steam I

Item 2 The test, demonstrating that safety equipment stays in its emergency mode after reset, will be completed at the next refueling outage for each unit. Presently scheduled dates are: Unit 1 in August - September 1980 Unit 2 in February - March 1981 Yours truly, q f

D. E. Gilberts, Vice President L\$ \

Power Production cc: Mr. G. Charnoff NRC Office of Inspection and Enforcement Division of Reactor Operations Inspection, Washington, D. C.

80070107_67

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v UNITED STATES NUCLEAR REGULATORY COMMISSION NORTHERh STATES POWER COMPAW PRAIRIE ISLAND NUCLEAR GENERATING PLANT Docket Nos. 50-282 and 50-306 LETTER DATED JUNE 9, 1980 RESPONDING TO NRC REQUEST FOR INF0PRATION IN IE BULLETIN 80-06 Northern States Power Company, a Minnesota corporation, by this letter dated June 9,1980, hereby submits information in response to NRC request for in-formation concerning IE Bulletin 80-06.

This request contains no restricted or other defense information.

NORTHERN STATES POWER COMPANY By: w" D. E. Gilbert's Vice President Power Production on this _ day f/ , 19 [ , before me a notary in and for said County, pt.sonally appeared D. E. Gilberts, Vice President Power Production, and being first duly sworn acknowledged that he is authorized to execute this document on behalf of Northern States Power Company, that he knows the contents thereof ar.a that to the best of his knowledge, information and belief, the statement.s made in it are true and that it is not interposed for delay.

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JEANNE M. HACKER 980TAmy Pust C MINNisof4

,? HENNEPIN COUNTY

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