ML20138A290
| ML20138A290 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 09/21/1985 |
| From: | Reinaldo Rodriguez SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| RJR-85-469, NUDOCS 8510080501 | |
| Download: ML20138A290 (6) | |
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%p SACRAMENTO MUNICIPAL UTIUTY DISTRICT Q 6201 S Street. P.O. Box 15830, Sacrams.nto CA 95852/1
. (916) 452-3211 AN ELECTRIC SYSTEM SERVING THE HEART F8/%L RNIA RJR 85-469 M /
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September 21, 1985 J B MARTIN ADMINISTRATOR U S NUCLEAR REGULATORY COMMISSION REGION V 0FFICE OF INSPECTION AND ENFORCEMENT 1450 MARIA LANE SUITE 210 WALNUT CREEK CA 94596 DOCKET 50-312 RANCHO SECO NUCLEAR GENERATING STATION UNIT NO. 1 CONCERNS ARISING FROM THE JUNE 23, 1985 HIGH POINT VENT LEAK AT RANCHO SECO
Reference:
1)
R. J. Rodriguez to J. B. Martin, Management Report Concerning June 23, 1985 High Point Vent Leak at Rancho Seco Dated August 6, 1985 2)
J. B. Martin to R. J. Rodriguez, Resolution of Problems Associated with High Point Vent Leak / Resumption of Operations, Confirmatory Action Letter Dated August 9, 1985 By Reference 1, the District provided for your information a report addressing concerns arising from the June 23, 1985 high point vent leak at Rancho Seco.
As indicated in Reference 1, the District's Management has committed to:
complete certain items prior to restart of the plant, and provide a schedule for completion of the long term items identified in the report by September 21, 1985.
These items were also the subject of your Confirmatory Action Letter, Reference 2.
In accordance with the reference letters, the District has completed the items required for restart of the plant.
In addition, the District has completed many of the other items of the subject report, as identified in Attachment I.
The schedule for completion of the balance of the long term items is provided in Attachment II.
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ATTACHMENT II COMPLETION SCHEDULE FOR LONG TERM ITEMS Item Scheduled Date Complete drawing changes due to valkdown NCRs January 3, 1986 Complete detailed analyses to incorporate February 3, 1986 walkdown information Begin issuance of Construction Standards October 1, 1985 Provide a schedule for surveillances of October 1, 1985 modification work Investigate methods to enhance tracking NCRs October 1, 1985 Provide procedural controls for removing October 1, 1985 structural support members NSEB 85-01 Task Force review of LER 79-14 November 30, 1985 NSEB 85-01 Task Force complete reviews, March 3, 1987 identify and implement corrective actions Implement new inspection procedures January 3, 1986 s
Majority of QC inspectors to be District personnel April 1, 1986 Provide dedicated engineers for QC support April 1, 1986 Establish a program to monitor engineering April 1, 1986 design activities Develop a DCN training session and train December 15, 1985 appropriate staff Issue NEP 4112, including DCN preparation September 30, 1985 guidelines Provide training on new construction procedures November 15, 1985 Construction procedure program to be fully January 3, 1986 operational Obtain accreditation of the training program December 31, 1986 Nuclear Training Department fully staffed April 1, 1989 including simulator instructors i
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ATTACHMENT I ACTIONS COMPLETED TO DATE Nuclear Engineering issued NEP 4109, Configuration Control, and performed training.
The District trained craft supervision with respect to installation to approved drawings.
The District trained field engineers to perform installation verification prior to Quality Control (QC) inspection.
The District trained QC inspectors emphasizing that inspection and acceptance work must be performed to approved design drawings.
The NSEB 85-01 Task Force has responded to the Licensee Event Report generated due to the high point vent leak.
The NSEB 85-01 Task Force has completed the root cause evaluation of the high point vent leak.
QA has issued surveillance reports for the walkdown systems.
The District has established the Incident Analysis Group (IAG).
The District has issued the IAG Inter-Departmental procedure.
The District has implemented a contractor qualification review program.
The District has transmitted an accountability statement to architect / engineer consultants and the maintenance contractor.
Nuclear Engineering re-evaluated the qualified life of the nuclear service cooling water pump.
Nuclear Engineering issued the Fire Protection Manual.
District management has designated a meteorological program coordinator.
The District has obtained the services of a meteorological consultant.
The District has reconfigured the channel A and B meteorological displays and printouts.
QA has scheduled periodic audits of the meteorological program.
The District corrected the new MIDAS program to meet the RG 1.23 criteria.
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f Item Scheduled Date l
l Issue the simulator specification December 1, 1985 Complete the General Dynamics review of April 1, 1987
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Chem-Rad group and implement recommendations
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Perform review of outage management, planning February 1, 1986 and staffing Obtain Quality Control supervisor with December 31, 1985
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c plant experience Acquire QA engineer with environmental April 1, 1986 i
qualification experience Acquire an additional 71 engineers January 4, 1988 for Nuclear Engineering staff Revisit the decision of the 1 to 1 District July 1, 1986 l
to contractor ratio Implement the Lessons Learn Program October 1, 1985 Complete the nuclear service cooling water January 3, 1986 breaker failure root cause evaluation i
Prepare detailed procedure to continue february 3, 1986 reactor trip breaker failure investigation Update preventive maintenance procedure for November 1,1985 reactor trip breakers to include the 13 NRC items t
Complete auxiliary feedwater task force review May 1, 1986 l
activities and issue report Acquire two additional environmental qualification August 15, 1986 engineers Complete correction of fire door problems March 15, 1986 Complete fire barrier analysis and replacement November 3, 1986 of any defective barriers Complete correction of deficiencies in meeting To be determined a
applicable NFPA codes by Living Schedule Complete silicon bronze bolt failure root cause November 1, 1985 I
evaluation and determine corrective actions t
Revise refueling equipment preventive maintenance March 2, 1987 procedures and maintenance instructions to in-corporate more detail l
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Item Scheduled Date i
Modify fuel handling system to incorporate an March 2, 1987 above water drive system Complete spare parts review and improve March 2, 1987 inventory for fuel handling equipment Install fuel handling inching system March 2, 1987 1
Complete modifications to improve fuel March 2, 1987 handling equipment serviceability 1
i Install new lighting to aid refueling March 2,1987 operations Upgrade housekeeping practices to improve March 2,1987 the refueling environment i
Establish approved meteorological data reduction January 3, 1986 f
and manipulation procedure Complete installation of precipitation instrumentation November 1, 1985 a
Generate surveillance procedure cross reference November 1, 1985 to source documents Prepare surveillance procedures writer's guide December 1, 1985 i
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Complete evaluation of surveillance procedures January 5, 1987 j
against writer's guide and rewrite as necessary E
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Prepare surveillance procedure biannual January 3, 1986 l
l review guide I
l Prepare surveillance procedure results June 30, 1986 l
review guide l
Complete computerization of surveillance March 1,1986 l
scheduling l
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Complete development of trending program January 5, 1987
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Implement balance of reorganization recommendations December 1, 1985 l
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J. B. Martin RJR 85-469 September 21, 1985 If you have any questions, feel free to contact Robert Little of my staff at (916) 732-6021.
. J.
DRIGU ASSISTANT GENER
- MANAGER, NUCLEAR Attachments