ML20206F615

Requests Description of long-term Resolution Actions,Due within 30 Days of Completion of Actions,Per NRC Bulletin 88-04, Potential Safety-Related Pump Loss

ML20206F615
Person / Time
Site:	Fort Saint Vrain
Issue date:	11/14/1988
From:	Heitner K Office of Nuclear Reactor Regulation
To:	Robert Williams PUBLIC SERVICE CO. OF COLORADO
References
IEB-88-004, IEB-88-4, TAC-69917, NUDOCS 8811210234
Download: ML20206F615 (4)

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November 14, 1988 Docket No. 50-267 Hr. R. O. Williams, Jr.

Senior Vice President, Nuclear Operations Public Service Company of Colorado Post Office Box 840 Denver, Colorado 80201-0840

SUBJECT:

RESPONSE TO NRC BULLETIN 88-04 (TAC NO. 69917)

On May 5,1988, the NRC staff issued NRC Bulletin 88-04, "Potential Safety-Related Pump Loss." The bulletin requested the evaluation of all safety-related purps for 1) pump-to-pump interaction during miniflow operation that could result in dead-heading of one or more of the pumps and 2) the adequacy of che minimum ficw bypass lines with respect to damage resulting from operation and testing in the minimum flow mode. The bulletin also requested that within 60 days of receipt of the bulletin, licensees provide a written response that (a) surrarizes the problems and the systems affected, (b) identifies the short-term and leng-terni ncdifications to plant operating procedures or hardware that have been oc are being implemented to ensure safe plant operations, (c) identifies an apprrf riete schedule for long-term resolution of this and/or other significant problems that are identified as a result of this bulletin, and (d) provides justification for continued operation particularly with regacd to General Design Criterion 35 of Appendix A to Title 10 of the Code of Federal Regulations (10 CFR Part 50), "Emergency Core Cooling" and 10 CFR 50.46, "Acceptance Criteria for Emergency Core Cooling Systems for Light Water Nuclear Power Reactors." Additionally, the staff requested that within 30 days of cornpletion of the long-term resolution actions, that licensees provide a written response describing the actions taken.

By letters dated July 11 and September 8,1988 (P-88236 and P-88324), Public Service Company of Colorado (PSC) responded to Bulletin 88-04 PSC's response adequate'y providea the information requested in a, b, c, amd d above. The staff awaits your description of the long-term resolution actions due within 30 days of the completion of those actions.

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'c Mr. R. O. Wil11ains, Jr. ;

As discussed in Bulletin 88-04, you should document and inaintain for at least two years an evaluation of your actions in responding to the bulletin. These records inay be subject to future auditing.

Sincerely,

\\ SI Kenneth L. Heitner, Project Manager Project Directorate - IV Division of Reactor Projects - III, IV, V ano Special Projects Office of fluclear Reactor Regulation cc: See next page r

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Mr. R. O. Williams, Jr.

-2 As discussed in Bulletin 88-04, you should document and int.'ntain for at least tw years an evaluation of your actions in responding to the bulletin. These records may be subject to future auditing, j

Sincerely.

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Kenneth L. Heitner, Project Manager Project Directorate - IV Division of Reactor Projects - !!!,

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Mr. R. O. Williams, Jr.

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Mr. D. W. Warembourg, Manager Albert J. Hazle, Director Nuclear Engineering Division Radiation Control Division Public Service Company Department of Health of Colorado 4210 East 1.lth Avenue P. O. Box 840 Denver, Colorado 80220 Denver, Colorado 80201-0840 Mr. David Alberstein, 14/159A Mr. R. O. Williams, Jr., Acting Manager GA Technologies, Inc.

Nuclear Production Division Post Office Box 85608 Public Service Company of Colorado San Diego, California 92138 16805 Weld County Road 19-1/2 Platteville, Colorado 80651 Mr. H. L. Brey, ihnager Nuclear Licensing and Fuel Division Mr. P. F. Tomlinson, Manager Public Service Company of Colorado Quality Assurance Division P. O. Box 840 Public Service Company of Colorado Denver, Colorado 80201-0840 16805 Weld County Road 19-1/2 Platteville, Colorado 80651 Senior Resident Inspector U.S. Nuclear Regulatory Comission Mr. R. F. Walker P. O. Box 640 Public Service Company of Colorado Platteville, Colorado 80651 Post Office Box 840 Denver, Colorado 80201-0840 Kelley, Stansfield & 0'Donnell Public Service Company Building Comitment Control Program Room 900 Coordinator 550 15th Street Public Service Corpany of Colorado Denver, Colorado 80202 2420 W. 26th Ave. Suite 100-D Denver, Colorado 80211 Regional Administrator, Region IV U.S. Nuclear Regulatory Comission 611 Ryan Plaza Drive Suite 1000 Arlington, Texas 76011 Chairman, Board of County Connissioners of Weld County, Colorado Greeley, Colorado 80631 Regional Representative Radiat, ion Programs Environmental Prot-On Agency 1 Denver Place 999 18th Street, Suite 1300 Denver, Colorado 80202-2413