RC-17-0085, Special Report (Spr) 2017-005: Difference between revisions

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| issue date = 06/13/2017
| issue date = 06/13/2017
| title = Special Report (Spr) 2017-005
| title = Special Report (Spr) 2017-005
| author name = Lippard G A
| author name = Lippard G
| author affiliation = South Carolina Electric & Gas Co
| author affiliation = South Carolina Electric & Gas Co
| addressee name =  
| addressee name =  
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=Text=
=Text=
{{#Wiki_filter:}}
{{#Wiki_filter:George A. Lippard Vice President, Nuclear Operations 803.345.4810 June 13, 2017 A SCANA COMPANY Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555
 
==Dear Sir / Madam:==
 
==Subject:==
VIRGIL C. SUMMER NUCLEAR STATION (VCSNS), UNIT NO. 1 DOCKET NO. 50-395 OPERATING LICENSE NO. NPF-12 SPECIAL REPORT (SPR) 2017-005 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.ii. This report addresses the number of operable channels for radiation monitoring instrumentation less than required by the Minimum Channel operable requirement for more than 72 hours.
On May 31, 2017, at approximately 1730, the Main Steam Line B Radiation Monitor (RMG-19B) was declared inoperable due to periodically spiking above the alarm setpoint and then returning to normal. Upon declaring RM-G19B inoperable, VCSNS implemented a preplanned alternate method of monitoring in accordance with the requirements of Action 30 of the Technical Specification.
The detector has been replaced. Once the calibration source has been received from the vendor, RM-G19B will be tested to verify operability. A follow-up report will be made when the cause of the detection failure has been determined.
Should you have any questions, please call Bruce Thompson at (803) 931-5042 at your convenience.
Very truly yours, RLP/GAL/wk c:      K. B. Marsh                                                              S. A. Williams S. A. Byrne                                                              NRC Resident Inspector J. B. Archie                                                            K.M.Sutton N. S. Cams                                                              NSRC J. H. Hamilton                                                          RTS (CR-17-03159)
S. M. Shealy                                                            File        (818.08)
W. M. Cherry                                                            PSRF (RC-17-0085)
C. Haney                                                                INPO Records Center V. C. Summer Nuclear Station
* P. 0. Box 88
* Jenkinsville, South Carolina
* 29065
* F (803) 941-9776
* www.sceg.com}}

Latest revision as of 03:09, 30 October 2019

Special Report (Spr) 2017-005
ML17164A404
Person / Time
Site: Summer South Carolina Electric & Gas Company icon.png
Issue date: 06/13/2017
From: Lippard G
South Carolina Electric & Gas Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
RC-17-0085, SPR-17-005
Download: ML17164A404 (1)
v • d • e


Text

George A. Lippard Vice President, Nuclear Operations 803.345.4810 June 13, 2017 A SCANA COMPANY Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555

Dear Sir / Madam:

Subject:

VIRGIL C. SUMMER NUCLEAR STATION (VCSNS), UNIT NO. 1 DOCKET NO. 50-395 OPERATING LICENSE NO. NPF-12 SPECIAL REPORT (SPR) 2017-005 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.ii. This report addresses the number of operable channels for radiation monitoring instrumentation less than required by the Minimum Channel operable requirement for more than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.

On May 31, 2017, at approximately 1730, the Main Steam Line B Radiation Monitor (RMG-19B) was declared inoperable due to periodically spiking above the alarm setpoint and then returning to normal. Upon declaring RM-G19B inoperable, VCSNS implemented a preplanned alternate method of monitoring in accordance with the requirements of Action 30 of the Technical Specification.

The detector has been replaced. Once the calibration source has been received from the vendor, RM-G19B will be tested to verify operability. A follow-up report will be made when the cause of the detection failure has been determined.

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

Very truly yours, RLP/GAL/wk c: K. B. Marsh S. A. Williams S. A. Byrne NRC Resident Inspector J. B. Archie K.M.Sutton N. S. Cams NSRC J. H. Hamilton RTS (CR-17-03159)

S. M. Shealy File (818.08)

W. M. Cherry PSRF (RC-17-0085)

C. Haney INPO Records Center V. C. Summer Nuclear Station

  • P. 0. Box 88
  • 29065
  • F (803) 941-9776
  • www.sceg.com
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