IR 05000312/1981033
| ML20039F670 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 12/15/1981 |
| From: | Canter H, Obrien J, Thomas Young NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | |
| Shared Package | |
| ML20039F652 | List: |
| References | |
| 50-312-81-33, NUDOCS 8201130205 | |
| Download: ML20039F670 (5) | |
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U.S. NUCLEAR REGULATORY COMMISSION
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0FFICE OF INSPECTION AND ENFORCEMENT
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REGION V
Reprt No.
50-312/81-33 Docket No.
50-312 L' cense No.
DPR-54 Safeguards Group Licensee:
Sacramento Municipal Utility District P.
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Box-15830 Sacramento, California 95813 Facility Name:
Rancho Seco Unit 1 Inspection at:
Herald, California (Rancho Seco Site)
Inspection conducted:
November 1-30_.
1981,
Inspectors:
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Date Signed O'Brien,f'it Res'idd'nt Inspector John Un Date Signed ktZbM
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-Approved By:
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Date Signed T. Young, Chief keactor FloJects Section 2, Reactor Operations Projects Branch Summary.
Inspection between November 1-30, 1981 (Report No. 50-312/81-33)
Areas Inspected: Operational safety verification; review of plant operations; maintenance observations; surveillance operations; followup on significant events; and independent inspection effort.
The inspection activities involved 91 inspector-hours by the Resident Inspectors.
Results:
Of the six areas inspected, no items of noncompliance or deviations were identified.
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8201130205 811215 DRADOCK05000g RV Form 219 (2)
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DETAILS 1.
Persons Contacted
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Rodriguez, Manager, Nuclear Operations
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Oubre', Plant Superintendent
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Blachly, Operations Supervisor N.
Brock, Electrical /IEC Maintenance Supervisor D.
Cass, Mechanical Maintenance Supervisor Q. Coleman, Quality Assurance Engineer
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Colombo, Technical Assistant
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Coward, Maintenance Supervicor S.
Crunk, Associate Nuclear Engineer D.
Elliott, Quality Assurance Engineer
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Fraser, Mechanical Engineer D.
Gardiner, Senior Chemical and Radiction Assistant H.
Heckert, Quality Assurance Engineer J.
Jewett, Quality Assurance Engine'er F.
Kellie, Assistant Chemistr and Health Physics Supervisor
V.
Lewis, Site Project Engineer s
- R.
McQuade, Quality Assurance 'F.ngineer
- R.
Miller, Ch'e,mistry/ Radiological Supervisor T. Perry,~0n-site l Quality Assu_rance-Supervisor S. Rutter.,' Quality A'ssurance Engineer /,3,,
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Schwieger, Quality Assurance Director ^
T. Tucker, Planne'r/ Scheduler
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Whitney, Engineering and Quality Control Supervisor B.
Wichert, Mechanical Engineer-
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Wilson, S'enior Chemical and Radiation Assistant y
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The inspect' ors also talked with and interviewed several other
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licensee employees, including members of the engineering, maintenance, operations anu quality-assurance (QA) organizations.
- Denotes those attending the. Exit Interview on November 30, 1981.
2.
Operational Safety Verification The plant was critical or at power for the periods between November 1-11, 1981, and November 12-22, 1981.
The inspector observed control room operations, reviewed applic-able logs and conducted discussions with control room operators.
The inspector verified the operability of selected emergency systems, reviewed tagout records and verified proper return to service of affected components.
Tours of the auxiliary building and turbine building were conducted to observe plant equipment conditions, including potential fire hazards, fluid leaks, and excessive vibrations and to verify that maintenance requests had been initiated for equipment in need of maintenance.
The inspec-tor, verified that the physical security plan was being implemented in accordance with the station security plan.
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The inspector'cAamine'd' plant [bou'sekeeping/ cleanliness conditions-and verified implementation of: radiation protection controls.
The inspector.also walk'ed-down'the' ac'cessible portiens.of the
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auxiliary ~ feed,sy, stem and emer'gency> power system to verify g
operability, and witnessed portions ~of'the radioactive waste system controls a s sociit'ed with ~ra'dwas t e barreling.
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The plant was taken to Hot'Standly'for.a four shift period on November 11-12,.1981.
This was~a,p1'anned outage to make an entry into theLReactor Building,to.addfoil to the
"A" Reactor Coolant Pump lube oil system, and'toiperform routine maintenance.
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The plant was taken off line on November 22, 1981, for a-planned outage and was shutdown for the remainder of the month.
This outage was to perform main turbine bearing inspection and balanc-irg operations.
In addition to the items mentioned above, the inspector verified that surveillance tests required to be per-formed during shutdown were accomplished, Plant tours were per-formed which included a tour of the reactor building. 'The plant was expected to return to power operation during the first week of December, 1981.
No items of noncompliance or deviations were identified.
3.
Review of Plant Operations On November 17, 1981, the inspector accompanied licensee personnel on an environmental sampling run.
Samples of milk, algae, mud, and silt were taken from the areas surrounding the plant.
Written en-vironmental sampling guidelines were being followed for the per-formance of the sampling.
The inspector also verified that require-ments of SurveiJlance Procedures SP212.01A and C were completed.
No items of noncompliance or deviations were identified.
4.
Maintenance Observations The inspectors observed portions of the maintenance activities listed below and verif.ted that work was accomplished'in accor-dance with approved procedures; that work was accomplished by qualified personnel; that provisions for stationing a fire watch to oversee activities involving welding and open flame were complied with; and that LCO requirements'were met during repair.
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a.
WR66007.- Radiation Monitor RIS002B (I&C).
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WR65775 - LLRT on personnel hatch (I&C).
c.
"B" Diesel bypass pump packing seal.
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WR66001 - Aux. Building particulate monitor RIS002A (ISC).
e.
WR65819 - Level indicator L1-47001 - NSRW spray pond A leve,
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-3-No items of noncompliance or deviations were identified.
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Surveillance observations The inspectors observed portions of the below listed surveillance testing to verify that the tests were covered by properly approved procedures; that the procedures used were consistent with tech-req'irements; that a minimum crew require-nical specification u
ments 'isre met; that test prerequisites were completad; that special test equipment was calibrated and in serivce; and that the test results were adequate, a.
SP206.03A -
"A" diesel generator monthly.
b.
SP208.02 - CRDM exercise.
c.
4P206.03E
r diesel generator month 1;.
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SP209.05 - CRDM venting and exercise.
e.
SP203.05B -
"B" DHS' pump quarterly.
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SP210.08 - Monthly OTSG operational data.
No items of noncompliance or deviaitons were identified.
6.
Followup on Significant Eventa At approximately 3:00 p.m.
(PST) on November 10, 1981, the licensee activated their Emergency Plan to transport a construction worker to the Methodist Hospital in Sacramento.
The construction worker fell 20 to 25 feet from a ladder.
The worker suffered fractures to the feet and hee.ls, and was transported via the site ambulance to Sacramento.
The licensee made notification of the event via the Emergency Notification _ System at 3:35 p.m.
(PST).
.No items of noncospliance or deviations were identified.
7.
Independent Inspection Effort.
Discussions were held'between the Resident Inspectors and opera-tions, security,,and maintenance personnel in an attempt to better understand problems they may:have which are celated to nuclear safety.
These discussions,wilf con,tidue as standard practice.
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On numerous occasions, during the-month,6f November, the Resident Inspectors attended ^ operationsistatus meetings.
These meetings
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are held by the. Operations Supervisor to provide all disciplines onsite with an'~updcte o n. the plant status and ongoing maintenance work.
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In addition'tb'the above, independent inspection effort was per-formed on-the following item:
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' In s t ru m e n't Air' System (Followup-Item. 81-31-01: OPEN)
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The inspectors verified.that the licensee is completing the
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maintenance and surveillance activities concerning~the:Instru-
ment Air System committed ~to.in'a~. letter, R.
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Engelken to-J.
J. Mattimoe dated October 19, 1981.
For example, the licensee has contacted the' Instrument, Air Dryer manufacturer, and.has resolved the issuelof--the.close proximity'of Instrument
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Air. filters and dryers.
Also,jthe process standard-for system
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dew point has been developed andLapproved.
The' Operations Super-visor is drafting the operator actions for alarms-on the: dew,
-point inline monitor.-
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No. items of noncompliancetor-_ deviations were identified.
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Exit Interview +
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The inspectori met with'the slicense;e repres.entatives.(denoted in
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Paragraph;l) throughou,t jthe, mon th,iand, a t.
the. scope and
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the conclusion of the inspection on~ November 30, 1981~.:/ They summarized findings of.the inspection,ac'tivities."The licensee acknowledged the statements.of;the -inspe.ctors.e
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