ML20210J661

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Forwards Lists of Valves Isolating Unborated Water Sources to Rcs,Per 860905 Discussion of Plans for Special Valve Alignment & Control During Modes 3-6 While Operating Under Provisions of 860818 Motion Per 10CFR50-10CFR57
ML20210J661
Person / Time
Site: Braidwood Constellation icon.png
Issue date: 09/05/1986
From: Farrar D
COMMONWEALTH EDISON CO.
To: Harold Denton
Office of Nuclear Reactor Regulation
References
NUDOCS 8610010210
Download: ML20210J661 (4)


Text

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['D Commonwealth Edison s

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O Address R: ply to: Post Office Box 767 Chicago. Illinois 60690 September 5, 1986 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555

Subject:

Braidwood Station UNIT 1 Commonwealth Edison request pursuant to 10 CFR 50-57 (c)

NRC DOCKET NO. 50-456

References:

August 18, 1986 Peter Thornton letter to ASLB providing motion for authorization of fuel loading and precritical testing.

Dear Mr. Denton:

On September 5, 1986, Mr. H. Wallace and others of Commonwealth Edison met with Messrs. R. Loebel-and B. Mann of your staff to discuss plans for special valve alignment and control during modes 6,5,4 and 3, while operating under the p(c) visions described in our motion pursuant to 10 CFR 50-57 ro As discussed, please find the following attachments:

A..

Valves Isolating Direct Unborated Water-Sources to Reactor Coolant System B.

Valves Isolating Other Unborated Water Sources Should you have any questions concerning this matter, please contact this office.

One signed original and fifteen copies of this letter and the attachments are provided for your review.

Very ruly yours,

~'

8610010210 860905 PDR ADOCK 05000436 D L. FARRAR A

PDR Director of Nuclear Licensing cc:

Braidwood NRC Resident Inspector Braidwood Project Director (RIII) - W.S. Little L. 01shan s@\\

l) \\

i

1 ATTACHMENT A VALVES ISOLATING DIRECT UNB0 RATED WATER SOURCES TO RCS Valve EPN PGID/ location Type Status ICV 111B M64-4 E4 Air Operated Always Locked Closed 1CV8439 M64-4 C4 Manual Always Locked Closed 1CV8453 M64-4 D2 Manual Always Locked Closed ICV 8441 M64-4 B1 Manual Always Locked Closed 0AB010 M65-5A D3 Manual Always Locked Closed 1AB8629A M65-1B B3 Manual Always Locked Closed ICV 8523A M64-6 C6 Manual Locked Closed Except When Sluicing Demineralizer Resin 1CV8515 M64-6 B5 Manual Locked Closed Except When Sluicing Demineralizer Resin 1CV8523B M64-6 C3 Manual Locked Closed Except When Sluicing Demineralizer Resin 1CV8428 M64-4 D5 Manual Locked Closed Except When Adjusting Oxygen Concen-tration

  • t ATTACHMENT B VALVES ISOLATING OTHER UNB0 RATED WATER SOURCES I.

Indirect Sources of Unborated Water to Reactor Coolant System Valve EPN PSID/ location Type Status ISI8936 M61 E7 Manual Always Locked Closed ISI8931 M61 D7 Manual Locked Closed When RWST is Making Up To RCS 1CV8434 M64-4 D4 Manual Locked Closed When RWST is Making Up To RCS

'0AB8494 M65-5A F3 Manual Locked Closed When Boric Acid Batch Tank is Discharging to Boric Acid Blender II.

OTHER CONSERVATIVE ACTIONS Valve EPN PSID/ location Type Status 1BR7053 M64-6 B8 Manual Always Locked Closed 1BR7054 M64-6 E7 Air Operated Always Locked Closed 2AB8468 M65-5A B6 Manual Always Locked Closed 2AB8465 M65-5A B4 Manual Always Locked Closed 1RH004C M62 F5 Manual Locked Closed Except When Shell Side Vent is Locked Closed 1RH004D M62 C6 Manual Locked Closed Except When Shell Side Vent is Locked Closed 1RH008A M64-4 E8 Manual Locked Closed Except When Shell Side Vent is Locked Closed ICV 032A M64-5 E2 Manual Locked Closed Except When Shell Side Vent is Locked Closed ICV 032B M64-5 D2 Manual Locked Closed Except When Shell Side Vent is Locked Closed i

--_.__-.,.,y~

ATTACHMENT B (Cont.)

ICV 8527A M64-6 B6 Manual Locked Closed Except When Sluicing Demineralizer Resin ICV 8521 M64-6 A5 Manual Locked Closed Except When Sluicing Demineralizer Resin 1CV8527B M64-6.

B4 Manual Locked Closed Except When.

Sluicing Demineralizer Resin 9

.