ML20245D257

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Forwards Latest Update of Completion Schedule for long-term Items Re Concerns Arising from 850623 High Point Vent Leak at Plant
ML20245D257
Person / Time
Site: Rancho Seco
Issue date: 04/13/1989
From: Croley B
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To: Martin J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
AGM-NTS-89-089, AGM-NTS-89-89, NUDOCS 8904280188
Download: ML20245D257 (6)


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SACRAMENTO MUNICIPAL UTILITY DISTRICT O 6201 S Street, P.o. Box 15830. Sacrame6tdTcA' 95852-1830, (916) 452-3211 AN ELECTRIC SYSTEM SERVING JHE HEART OF CALIFORNIA

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CC,'3 lq n 9: 35 AGM/NTS89-089 April 13, 1989 U. S. Nuclear Regulatory Commission Attn:

J. B. Martin, Regional Administrator Region V 1450 Maria Lane, Suite 210 Halnut Creek, CA 94596 Docket No. 50-312 Rancho Seco Nuclear Generating Station License No. DPR-54 CONCERNS ARISING FROM THE JUNE 23, 1985 HIGH POINT VENT LEAK AT RANCHO SE'X)

Reference:

1)

k. J. Rodriguez to J. B. Martin, Management Report concerning the-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 3)

R. J. Rodriguez to J. B. Martin, Concerns Arising from the June 23, 1985 High Point Vent Leak at Rancho Seco, dated Septer..ber 21, 1985 4)

R. J. Rodriguez to J. B. Martin, Concerns Arising from the June 23, 1985 High Point Vent Leak at Rancho Seco, dated August 6, 1987

Dear Mr. Martin:

By Reference 1, the District provided a report addressing concerns arising from the June 23, 1985 High Point Vent Leak at Rancho Seco. These items were also-the subject of your Confirmatory Action Letter, Reference 2.

By Reference 3, the District provided a schedule for the completion of the i

long-term items identified in Ref,erence l'.

By Reference 4, the District i

provided an update of the completion schedule.

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1 8904280188 890413 PDR ADOCK 05000312 1

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RANCHO SECO NUCLEAR GENERATING STATION O 1444o Twin Cities Road, Herald, CA 95638 9799;(209) 333-2935

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J.'B. Martin AGM/NTS89-089 Attachment'I is the latest update of the completion schedule, identifying the items which have been. completed as well as giving the status of.those items which are.still in process. Attachment II provides information concerning an overdue item.-

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Members of your staff with questions requiring additional information or clarification may contact Mr. Steve Crunk at (209) 333-2935, extension 4913.

-Sincerely, i

Bob G.'Croley Assistant. General Manager Nuclear Technical Services Attachment.

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A. D'Angelo, NRC,' Rancho Seco Document Control Desk, Washington DC I

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u, Attachment I Page 1 of 3 COMPLETION SCHEDULE FOR LONG-TERM ITEMS Ltim Scheduled Date Etittyi e' Complete drawing changes due to walkdown NCRs January 3, 1986 Closed

c. Complete detailed analyses to incorporate walkdown February 3, 1986 Closed information Begin issuance of Construction Standards October 1, 1985 Closed o

o Provide a schedule for surveillance of October 1, 1985 Closed modification work Investigate methods to enhance tracking NCRs October 1, 1985 Closed o

Provide procedural controls for removing structural October.1, 1985 Closed o

support members e NSEB 85-01 Task Force review of LER 79-14 November 30,1985 Closed NSEB 85-01 Task Force. complete reviews, identify and December 4, 1987

-Closed o

implement corrective actions Implement new inspection procedures January 3, 1986 Closed o

Majority of QC inspectors to be District personnel

. April 1,1986 Closed o

Provide dedicated engineers for QC support April 1,1986 Closed e

Establish a program to monitor engineering design April 1,1986 Closed o

activities Develop a DCN training session and train appropriate December 15, 1985 Closed o-staff Issue NEP 4112, including DCN preparation guidelines September 30, 1985 Closed o

o Begin training on new construction procedures November 15, 1985 Closed **

Construction procedure program to be fully operational

' January 3, 1986 Closed

-o o Obtain accreditation of the training program September 30, 1987 Closed Nuclear Training Department fully staffed including April 1, 1989 Delayed *

.o simulator instructors

  • See Attachment II for explanation.
    • Commitment clarified to "begin training" by November 15, 1985 to reflect the ongoing nature of training.

Initial training on procedures was completed mid December.

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Attachment I

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Page 2 of 3 l

Ltam Scheduled Date Status l

Issue the simulator specification December 1, 1985 Closed o

Complete the General Dynamics review of Chem-Rad group December 31, 1987 Closed o

and implement recommendations Perform review of outage management, planning and February 1, 1986 Closed o

staffing Obtain Quality Control supervisor with plant experience December 31, 1985 Closed c

Acquire QA engineer with environmental qualification April 1, 1986 Closed o

experience o Acquire sufficient additional engineers to complete July 1, 1988 Closed Nuclear Engineering staff o Revisit the decision of the I to 1 District to July 1, 1986 Closed contractor ratio Implement the Lessons Learned Program October 1, 1985 Closed e'

o Complete the nuclear service cooling water breaker January 3, 1986 Closed failure root cause evaluation Prepare detailed procedure to continue reactor trip February 3, 1986 Closed o

breaker failure investigation Update preventive maintenance procedure for reactor November 1, 1985 Closed o

trip breakers to include the 13 NRC items Complete auxiliary feedwater task force review May 1, 1985 Closed o

activities and issue report Acquire two additional environmental qualification August 15, 1986 Closed o

engineers Complete correction of fire door problems March 15, 1986 Closed o

Complete fire barrier analysis and replacement of any November 3, 1986 Closed o

defective barriers Complete correction of deficiencies in meeting Cycle 8 Refueling Closed o

applicable NFPA codes Complete silicon bronze bolt failure root cause November 1, 1985 Closed o

evaluation and determine corrective actions Revise refueling equipment preventive maintenance Cycle 8 Refueling Open o

procedures and maintenance instructions to incorporate more detail

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Attachment I Page 3 of 3 ltem Scheduled Date Status Modify fuel handling system to incorporate an above Cycle 8 Refueling Open o

water drive system Complete ' spare parts review and improve inventory Cycle 8 Refueling Open o

for fuel handling equipment Install fuel handling inching system Cycle 8 Refueling Open o

Complete modifications to improve fuel handling Cycle 8 Refueling Open o

equipment serviceability Install new lighting to aid refueling operations Cycle 8 Refueling Open o

Upgrade housekeeping practices to improve the Cycle 8 Refueling Open o

refueling environment Estat'lish approved meteorological data reduction and January 3, 1986 Closed o

manipulation procedure Complete installation of precipitation instrumentation November 1, 1985 Closed o

Generate surveillance procedure cross reference to November 1, 1985 Closed o

source documents Prepare surveillance procedures writer's guide December 1, 1985 Closed o

Complete evaluation of surveillance procedures against December 31, 1989 Closed o

writer's guide and rewrite as necessary Prepare surveillance procedure biannual review guide January 3, 1986 Closed o

Prepare surveillance procedure results review guide December 1, 1987 Closed o

Complete computerization of surveillance scheduling December 1,1987 Closed o

Complete development of trending program January 5, 1987 Closed o

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Attachment II Page 1 of 1 DELAYED ITEM Projected Completion Item Explanation Date Nuclear Training Closure of this item has been 9/30/90 Department fully delayed due to difficulties in attracting staffed including qualified operations instructors and/or simulator instructors replacing operations personnel who are needed to fully staff the Training Department with personnel experienced in the operation of Rancho Seco.

Sufficient qualified replacements should be available by September 1990.

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