05000244/FIN-2011003-01
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Finding | |
|---|---|
| Title | Inadequate Oversight Resulting in Inadvertent Partial Safety Injection Actuation |
| Description | A self-revealing NCV of technical specification (TS) 5.4.1.a, Procedures, was identified when Ginna personnel did not correctly perform procedure STP-O-R-2.2, Diesel Generator Load and Safeguard Sequence Test, Revision 00500 during the refueling outage with the plant in Mode 5. This resulted in a partial safety injection (Sl) actuation, including the automatic start of the \'B\' emergency diesel generator and an associated service water pump. Ginna\'s corrective actions included immediately returning all equipment to its pretest position, performing a crew stand down and crew clock reset, ensuring each test had a clearly identified test supervisor, and that each test supervisor re-brief the crew if there was a break in the test, if test results were unexpected, or if any part of the test needed to be re-performed. Additionally, Ginna provided training to operation\'s personnel and verified that procedure STP-O-R-2.2 was adequate. This 1nding is more than minor because it is associated with the human performance attribute ofthe Initiating Events cornerstone and affected the cornerstone objective to limit the likelihood of events that upset plant stability and challenge critical safety functions during shutdown as well as power operations. Additionally, the inspectors determined that more than minor example 4.b of IMC 0612, Appendix E, was similar because control room operators caused a partial Sl actuation. The inspectors determined that this finding was of very low safety significance (Green) using IMC 0609, Appendix G, shutdown Operations SDP. Specifically, Ginna maintained adequate mitigation capability for a Pressurized-Water Reactor during cold shutdown operation with the reator coolant system (RCS) closed and steam generators available for decay heat removal. This finding has a cross-cutting aspect in the area of human performance, work practices, in that Ginna failed to ensure adequate supervisory and management oversight of the diesel generator load and safeguard sequence test such that nuclear safety was supported. Specifically, operations personnel failed to adequately supervise the diesel generator load and safeguard sequence test, and as a result, an Sl partial actuation occurred during testing (H.4(c) of IMC 0310). |
| Site: | Ginna  |
|---|---|
| Report | IR 05000244/2011003 Section 1R22 |
| Date counted | Jun 30, 2011 (2011Q2) |
| Type: | NCV: Green |
| cornerstone | Initiating Events |
| Identified by: | Self-revealing |
| Inspection Procedure: | IP 71111.22 |
| Inspectors (proximate) | G Dentel G Hunegs J Hawkins L Casey M Modes N Floyd N Perry R Rolph |
| CCA | H.2, Field Presence |
| INPO aspect | LA.2 |
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Finding - Ginna - IR 05000244/2011003 | |||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Ginna) @ 2011Q2
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