ST-HL-AE-3066, Suppl to Semiannual Effluent Release Rept for Jul-Dec 1988. Condenser Vacuum Exhaust Sys Process Flowmeter Removed from Svc on 881101.Condenser Vacuum Exhaust Will Be Rerouted to Unit Vent

Suppl to Semiannual Effluent Release Rept for Jul-Dec 1988. Condenser Vacuum Exhaust Sys Process Flowmeter Removed from Svc on 881101.Condenser Vacuum Exhaust Will Be Rerouted to Unit Vent

ML20246D187
Person / Time
Site:	South Texas
Issue date:	05/01/1989
From:	Vaughn G HOUSTON LIGHTING & POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
ST-HL-AE-3066, NUDOCS 8905100145
Download: ML20246D187 (3)

Text

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The Light company P.O. Box 1700 llouston, Texas 77001 (713) 228-9211 llouston Lighting & Power 1

May 1, 1989 1 ST-HL-.AE-3066 ]

File No.: G02 f 10CFR50.36a U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 i

South Texas Project Electric Generating Station Unit 1 Docket No. STN 50-498 i Supplement to Semiannual Radioactive Effluent Release Report for the Second Half of 1988

Reference:

HL&P letter by G. E. Vaughn to USNRC Document Control Desk dated March 1, 1989 (ST-HL AE-3002) transmitting Semiannual Radioactive Effluent Release Report for Second Half of 1988 Pursuant to the South Texas Project Electric Generating Station (STPEGS)

Unit 1 Operatir;g License NPF-76 Appendix A Technical Specification 6.9.1.4 and 10CFR50.36a, the following information is issued to supplement the Semiannual Radioactive Effluent Release Report for the period July 1, 1988, through December 31, 1988, Section 3.2.2. This report is submitted as fulfillment of I the commitment made in Section 3.2.2 of the referenced report.

The Condenser Vacuum Exhaunt System process flowmeter N1RA-RT-8027A was removed from service on November 1, 1988 at 0100. The actual process flow rate is consistently below the minimwr. range of the installed instrumentation hence meaningful flow measurement is not possible utilizing the installed equipment. During this period, flow estimates in accordance with Technical Specifications have been made every four hours.

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NL.89.107.01 A Subsidiary of Houston Industries Incorporated #

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flouston I..ighting & Power Company ST-HL-AE-3066 File No.: G02 10CFR50.36a Page 2 An investigation into the problem has been completed. The condenser vacuum exhaust will be rerouted to the unit vent where quantification of activity and flow will be,made by the normal unit vent monitor, NIRA-RT-8010A/B. Radiation monitor RT-8027A will remain in service as a non Technical Specification process monitor. Prior to actual implementation, applicable Technical Specification and FSAR changes shall be processed for NRC approval.

If you require any additional information, please contact C. A. Ayala at (512)972-8628.

G. E. Vau @ghn Vice President Nuclear Operations GEV/kra l

NL.89.107.01 L___________.__

Ilouston Lighting & Power Company ST-HL-AE-3066 File No.: G26 Page 3 cc:

Regional Administrator, Region IV Rufus S. Scott Nuclear Regulatory Commission Associate General Counsel 611 Ryan Plaza Drive, Suite 1000 Houston Lighting & Power Company Arlington, TX 76011 P. O. Box 1700 Houston, TX 77001 George Dick, Project Manager U. S. Nuclear Regulatory Commission INPO Washington, DC 20555 Records Center 1100 circle 75 Parkway Jack E. Bess Atlanta, Ga. 30339-3064 Senior Resident Inspector-Unit I c/o U. S. Nuclear Regulatory Commission Dr. Joseph M. Hendrie P. O. Box 910 50 Be11 port Lane Bay City, TX 77414 Be11 port, NY 11713 J. I. Tapia Senior Resident Inspector-Unit 2 c/o U. S. Nuclear Regulatory Commission P. O. Box 910 Bay City, TX 77414 J. R. Newman, Esquire Newman & Holtzinger, P.C.

1615 L Street, N.W.

Washington, DC 20036 R. L. Range /R. P. Verret Central Power & Light Company P. O. Box 2121 Corpus Christi, TX 78403 R. John Miner (2 copies) l Chief Operating Officer City of Austin Electric Utility 721 Barton Springs Road Austin, TX 78704 R. J. Costello/M. T. Hardt City Public Service Board P. O. Box 1771 San Antonio, TX 78296 Revised 12/21/88 NL.DIST

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