05000413/FIN-2007007-05
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Finding | |
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| Title | Charging Pump Mini-Flow Valves 2NV202B and 2NV203A |
| Description | Operating License Condition 2.C.(5), for Units 1 and 2, requires that the licensee implement and maintain in effect all provisions of the approved FPP as described in the UFSAR, as amended, for the facility and as approved in the SER through Supplement 5. BTP CMEB 9.5-1, which incorporated the guidance of Appendix A to BTP ASB 9.5-1 and the technical requirements of Appendix R to 10 CFR 50, established the regulatory and licensing requirements for the FPP at CNS. The CNS FPP was reviewed against and approved for conformance with BTP CMEB 9.5-1 in the SER through Supplement 5. BTP CMEB 9.5-1, Item C.5.b.1, requires that fire protection features be provided that are capable of limiting fire damage so that one train of systems necessary to achieve and maintain hot standby conditions from either the control room or emergency control station(s) is free from fire damage. BTP CMEB 9.5- 1, Item C.5.b.2 requires one redundant train to be protected from fire damage by one of three specified methods. Contrary to the above, on June 25, 2004, the inspectors identified that the licensee failed to provide fire protection features to protect control circuits and cables associated with charging pump mini-flow valves NV202B and NV203A on Units 1 and 2. This condition has existed since original construction. Pursuant to the Commissions Enforcement Policy and NRC Manual Chapter 0305, under certain conditions fire protection findings at nuclear power plants that transition their licensing bases to 10 CFR 50.48(c) are eligible for enforcement and ROP discretion. The Enforcement Policy and ROP also state that the finding must not be evaluated as a finding of high safety significance (Red). Because the licensee committed, prior to December 31, 2005, to adopt NFPA 805 and change their fire protection licensing bases to comply with 10 CFR 50.48(c), the NRC is exercising enforcement discretion for this issue in accordance with the NRC Enforcement Policy, Interim Enforcement Policy Regarding Enforcement Discretion for Certain Fire Protection Issues (10 CFR 50.48). Specifically, this issue would have been expected to be identified and addressed during the licensees transition to NFPA 805, was entered into the licensees corrective action program and will be corrected, was not willful, and was not associated with a finding of high safety significance. The licensee entered this issue into the CAP as PIP report C-04-04276. The licensee revised the fire response procedure AP/045 to incorporate contingency actions for local valve operation to restore isolated flow paths and to increase seal injection flow to restore minimum flow. A new caution statement was added to the procedure to warn the operator not to run a charging pump for more than 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> with less than 35 gpm flow through the pump. A new step was added to the procedure to require the operator to verify operating charging pump has 60 gpm minimum flow by looking at charging flow, SI valves open or pump mini-flow valves open. A note was also added to inform the operators of alternate locations of charging and seal injection flow indication. The long term corrective actions will be determined as part of the reconstitution project. |
| Site: | Catawba  |
|---|---|
| Report | IR 05000413/2007007 Section 4OA5 |
| Date counted | Sep 30, 2007 (2007Q3) |
| Type: | Violation: Severity level Enforcement Discretion |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | |
| Inspectors (proximate) | N Merriweather R Rodriguez G Wiseman R Fanner D Merzke |
| INPO aspect | |
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Finding - Catawba - IR 05000413/2007007 | |||||||||||||||||||||||||
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Finding List (Catawba) @ 2007Q3
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