ML20058K824
| ML20058K824 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 05/27/1977 |
| From: | Wachter L NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| IEB-77-01, IEB-77-1, NUDOCS 9104240452 | |
| Download: ML20058K824 (1) | |
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w ww-NORTHERN STATES POWER COMPANY Minneapolis, Minnesota 55401 M1y 27, ]977 Pr. James G. Keppler Director - Region III Office of Inspection and Enfcrcement thited States Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137
Dear Mr. Keppler:
MATICELLO NUCLEAR GEERATING PIRsT Doci;et No. 50-263 License No. DPR-22 4
In response to the actions requested in IE Bulletin No. 77-01, the following information is submitted:
1.
There are no ITE pneunatic time delay relays installed in the safety related systens.
2.
The pneumatic tire delay relays used in the safety related systens have a repeat accuracy range of + 10 percent or better.
Yours very truly, f hl L. J. h'achter Vice President - Power Production i Systen Operation cc: Pr. Victor Stello Mr. G. Charnoff Minnesota Pollution Control Agency Attention: Mr. J. h'.
Fernan NRC Office of Inspection and Enforcement Washington, D.C.
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9104240452 770527 CF ADOCK 05000263 CF
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office of Inspection and Enforcement thited States Nuclear Regulatory Comission
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Dear Mr. Keppler:
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Docket No. 50-263 License No. DPR-22 In response to the actions requested in IE Bulletin No. 77-01, the following information is submitted:
1.
There are no ITE pneumatic time delay relays installed in the safety related systems.
2.
The pnetraatic time delay relays used in the safety related systems have a repeat accuracy range of 110 percent or better.
Yours very truly, f
YP L. J. h'achter Vice President - Power Prodxtion and Systen Operation cc: Mr. Victor Stello Mr. G. Charnoff Minnesota Pollution Control Agency Attention: Mr. J. h'. Fernan NRC Office of Inspection and Enforcement h'ashington, D.C.
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