ML20098B314

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Submits Revs That Will Be Incorporated Into Vendor Recommended EHC Lineup Instructions Currently Utilized at Plant to Calibr EHC Sys
ML20098B314
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 09/21/1995
From: Pearce L
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20098B316 List:
References
LWP-95-086, LWP-95-86, NUDOCS 9510030164
Download: ML20098B314 (2)


Text

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Commonwealth Edimn Company Quad Citics Generating Station 22710 206 h Avenue North Cordova,11.61242 9740

. Tel'309M4 2241 LWP-95-086 September 21, 1995 U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555

Reference:

Quad Cities Nuclear Power Station Docket Number 50-265, DPR-30, Unit Two Enclosed is Licensee Event Report (LER)95-005, Revision 00, for Quad Cities Nuclear Power Station.

This report is submitted in accordance with the requirements of the Code of Federal Regulations, Title 10, Part 50.73(a)(2)(v)(D).

The licensee shall report any event or condition that alone could have prevented the fulfillment of the safety function of structures or systems than are needed to mitigate the consequences of an accident.

The following commitments are being made by this letter.

The following revisions will be incorporated into the vendor recommended EHC lineup instructions currently utilized at Quad Cities Station to calibrate the EHC system:

1.

Proper method for setting up the 3 psig " effective" pressure setpoint bias between the pressure regulators.

2.

Inclusion of the 500 mS minor lag time constant on the SLRC circuit boards.

If there are any questions or comments concerning this letter, please refer them to Nick Chrissotimos, Regulatory Assurance Administrator at 309-654-2241, ext. 3100.

Respectfully, COMMONWEALTH EDIS0N COMPANY QUAD CITIES NUCLEAR POWER STATION A /3. (al /

L. W. Pearce Station Manager LWP/NC/pim Enclosure cc:

J. Schrage C. Miller INPO Records Center NRC P.&gion III GRW8695.LWP 9510030164 950921 PDR ADOCK 05000265 c/

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Licensee Event Report Reviewer Assignment Form Revised 12/01/94 LER # 2651809500500 Date:

Auoust 25. 1995

Subject:

Unit Two Automatic Reactor Scram durino EHC Pres:ure Reculator Fail-Over Testina.

l Signatures of reviewers indicating review and approval of ites:

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Systems Eng. Supv:

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9.16-76 Approved:

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