ML20058M833

Forwards Rev 2 to Prairie Island Nuclear Generating Plant Sbo/Esu Project Design Rept.

ML20058M833
Person / Time
Site:	Prairie Island
Issue date:	09/23/1993
From:	Richard Anderson NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20058M837	List: ML20058M833 ML20058M841
References
TAC-M68588, TAC-M68599, NUDOCS 9310070055
Download: ML20058M833 (2)

Text

n- ~

.O' Northem States Power Company 414 Nicollet Mall Minneapolis Minnesota 55401-1927 Telephone (612) 330-5KO September 23, 1993 10 CFR Part 50 Fection 50.63(c)(4)

U S Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 PRAIRIE ISLAND NUCLEAR CENERATING PLANT Docket Nos. 50-282 License Nos. DPR-42 50-306 DPR-60 Desi gn Report for the Station Blackout / Electrical Saferuards Uperade Proiect. Revision 1 (TAC Nos. 68588 and 68599)

References:

(1) Letter from Thomas M Parker, Northern States Power Company, to U S Nuclear Regulatory Commission dated November 27, 1990 titled: " Design Report for the Station Blackout / Electrical Safeguards Upgrade Proj ect" (2) Letter from Thomas M Parker, Northern States Power Company, to U S Nuclear Regulatory Commission dated December 23, 1991 titled: " Design Report for the Station Blackout / Electrical Safeguards Upgrade Project, Revision 1" On November 27, 1990 se submitted for NRC Staff review Revision 1 of our Design Report for the Station Blachout/ Electrical Safeguards Upgrade Project (Reference 1) and on December 23, 1991 we submitted Revision 1 of our Design Report for the Station Blackout / Electrical Safeguards Upgrade Project (Reference 2). This Design Report detailed our commitments for design, procurement, fabrication and construction related to the addition of two safeguards emergency diesel generators, upgrade of the safeguards electrical distribution system and upgrade of the #121 cooling water pump to become a swing safeguards pump.

Enclosed is Revision 2 of the project Design Report submitted for NRC Staff information. Revision 2 contains both revised and additional information necessary to bring the Des gn Banort up to date.

Responses and other pertinent information resulting from NRC Staff requests for additional information have been included in Revision 2.

We do not intend to revise this document in the future. Future changes to the configuration will be documented with our internal design control process and incorporated into revisions of the Updated Safety Analysis Report as 9310070055 930923 Ih PDR ADOCK 05000282 M }h P PDR J ll 3

.i ,

l t

Northem States Power Company ^

USNRC September. 23, 1993 ,

Page 2 of 2 .

appropriate. Changes requiring prior NPC approval will be submitted'for NRC approval prior to implementation. i Elease contact Jack Leveille (612-388-1121, Ext. 4662) if you have any questions related to this Design Report revision.

l

,/ +f h h!!( b'Nl'V

' Roger 0 Anderson  ;

Director l Licensing and Management Issues c: Regional Administrator - Region III, NRC Senior Resident Inspector, NRC i NRR Project Manager, NRC i J E Silberg l

Attachment:

Design Report for the Station Blackout / Electrical  ;

Safeguards Upgrade Project, Revision 2 j i

l i

l t

I t

l l l

i l

1 i

l I

.)