ML12188A542

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Special Report 2012-001
ML12188A542
Person / Time
Site: Summer South Carolina Electric & Gas Company icon.png
Issue date: 07/03/2012
From: Gatlin T
South Carolina Electric & Gas Co, SCANA Corp
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML12188A542 (1)


Text

Thomas D. Gatlin Vice President,NuclearOperations 803.345.4342 A S*CANA COMPANY July 3, 2012 Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555

Dear Sir / Madam:

Subject:

VIRGIL C. SUMMER NUCLEAR STATION (VCSNS) UNIT 1 DOCKET NO. 50-395 OPERATING LICENSE NO. NPF-12 SPECIAL REPORT (SPR) 2012-001 South Carolina Electric & Gas Company (SCE&G) is submitting this Special Report pursuant to the requirements of Technical Specification 6.9.2 as required by Action 30 of Technical Specification 3.3.3.1.b, Table 3.3-6, Item 2.d.i.

On June 23, 2012, at 0015 hours1.736111e-4 days <br />0.00417 hours <br />2.480159e-5 weeks <br />5.7075e-6 months <br />, the Main Plant Vent Radiation Monitor (RM-A13) was declared inoperable due to erratic monitor display (high voltage failure). Upon declaring RM-A13 inoperable, VCSNS implemented a preplanned alternate method of monitoring in accordance with the requirements of Action 30 of the Technical Specification. After extensive trouble-shooting, the failure of RM-A13 was determined to be due to a failed detector/preamp assembly. The detector/preamp assembly is currently being refurbished by a vendor. Once the monitor is repaired and tested satisfactorily, it will be returned to service and declared operable.

Should you have any questions, please call Bruce Thompson at (803) 931-5042 at your convenience.

Very truly yours, Thomas D. Gatlin TS/TDG/jw c: K. B. Marsh R. E. Martin S. A. Byrne NRC Resident Inspector J. B. Archie INPO Records Center N. S. Carns K. M. Sutton J. H. Hamilton NSRC R. J. White RTS (CR-12-02589)

W. M. Cherry File (818.08)

V. M. McCree PRSF (RC-12-0103)

Virgil C.Summer Station

  • Post Office Box 88
  • Jenkinsville, SC. 29065 - F(803) 345-5209 tJ~gz-~