ML20214K435

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Followup Ro:On 861106,north Leg of Fire Suppression Water Sys Outside Ring Header Between Valves FP-109 & FP-112 Inoperable.Section Isolated to Replace Piping.Pipe Replacement Underway & Will Be Returned to Svc by 861215
ML20214K435
Person / Time
Site: Cook  American Electric Power icon.png
Issue date: 11/20/1986
From: Will Smith
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 8612020302
Download: ML20214K435 (2)


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  1. 2L P.O. Som 458, Brdgman, Mchigan 49106 ppSS ll 5-b FILE I November 20, 1986 Donald C. Cook Nuclear Plant Unit Nos. I and 2 Docket Nos. 50-315 and 50-316 License Nos. DPR-58 and DPR-74 Mr. James G.

Keppler, Regional Administrator U.S. Nuclear Regulatory Commission Office of Inspections and Enforcement Region III 799 Roosevelt Road Glen Ellyn, Illinois 61037 4

Dear Mr. Keppler:

In accordance with Technical Specification 3.7.9.1 Action 6.2.c and as stated in my letter dated November 7, 1986, this follow-up report is being submitted.

On November 6, 1986, the north leg of the fire suppression water system outside ring header between valves FP-109 and FP-ll2 was not operable as required by Technical Specification 3.7.9.1.b.

This section of the outside ring header was isolated to allow for the replacement of piping that had been discovered to be above the freeze line for this geographical location.

Backup fire suppression was available from nearby hose stations and the Plant fire truck.

No fire protection systems for safety related areas of the Plant were isolated.

The replacement of this piping and testing are underway and the system is expected to be returned to service no later than December 15, 1936.

Respect,lly,

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/g 4.G.

Smith, Jr.

Plant Manager

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See Attached Distribution List

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8612O20302 861120

+W I PDR ADOCK 05000315 PDR NOV 2 51986

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Mr.:Jcmes.G.-Kcpplcr

  • r November 20, 1986 Page.2.

cc:. James M.-Taylor John E. Dolan

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George Bruchman R.C. Callen

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Charnoff-

.NRC Resident Inspector J.G. Feinstein J.J. Markowsky

-R.W.-Jurgensen R.F. Kroeger.

M.L. Horvath E.A. Morse J.B.:Shinnock D. Wigginton, NRC - Washington, D.C.

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