IR 05000261/1986029
| ML14175B450 | |
| Person / Time | |
|---|---|
| Site: | Robinson  |
| Issue date: | 12/22/1986 |
| From: | Fredrickson P, Krug H, Latta R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| Shared Package | |
| ML14175B449 | List: |
| References | |
| 50-261-86-29, NUDOCS 8612290244 | |
| Download: ML14175B450 (10) | |
Text
CIV tpg RG~j4UNITED STATES 0G NUCLEAR REGULATORY COMMISSION
REGION II
101 MARIETTA STREET, ATLANTA, GEORGIA 30323 Report No.:
50-261/86-29 Licensee:
Carolina Power and Light Company P. 0. Box 1551 Raleigh, NC 27602 Docket No.:
50-261 License No.:
DPR-23 Facility Name:
H. B. Robinson Inspection Conducte \\:
November 11 - December 10, 1986 Inspectors:
I2
/2 I r H E. P. r ig, Senior Resident Inspector Date Signed R.".
Latt, Resident Inspector Date Signed
- Approved by:
-
)
1-6 P E. Fredrickson, Section Chief Date Signed Division of Reactor Projects SUMMARY Scope:
This routine, announced inspection was conducted in the areas of Technical Specification (TS)
compliance, plant tour, operations performance, reportable occurrences, housekeeping, site security, surveillance activities, maintenance activities, quality assurance practices, radiation control activities, outstanding items review, IE Bulletin and IE Notice followup, organization and administration, independent inspection, Plant Status Report, Systematic Assessment of Licensee Performance (SALP)
and enforcement action followu Results:
No violations or deviations were identified within the areas inspecte PDR ADOCK 05000261 G
REPORT DETAILS 1. Licensee Employees Contacted R. Barnett, Maintenance Supervisor, Electrical G. Beatty, Manager, Robinson Nuclear Project Department A. Beckman, Principal Specialist, Planning and Scheduling J. Benjamin, Supervisor, Operations R. Chambers, Engineering Supervisor, Performance D. Crocker, Principal Health Physics Specialist J. Curley, Director, Regulatory Compliance J. Eaddy, E&C Supervisor W. Flanagan, Manager, Design Engineering W. Gainey, Maintenance Supervisor, Mechanical P. Harding, Project Specialist (Acting), Radiation Control E. Harris, Director, Onsite Nuclear Safety D. Knight, Shift Foreman, Operations E. Lee, Shift Foreman, Operations F. Lowery, Manager, Operations M. Marquick, Senior Specialist, Planning and Scheduling
.
D. McCaskill, Shift Foreman, Operations A. McCauley, Principal Specialist, Onsite Nuclear Safety R. Moore, Shift Foreman, Operations R. Morgan, Plant General Manager M. Morrow, Specialist, Emergency Preparedness D. Nelson, Operating Supervisor B. Murphy, Senior Instrumentation and Control Engineer M. Page, Engineering Supervisor, Plant Systems R. Powell, Principal Specialist, Maintenance D. Quick, Manager, Maintenance B. Rieck, Manager, Control and Administration W. Ritchie, Supervisor (Acting), Radiation Control D. Sayre, Senior Specialist, Regulatory Compliance D. Seagle, Shift Foreman, Operations R. Smith, Manager, Environmental and Radiation Control R. Steele, Shift Foreman, Operations R. Wallace, Manager, Technical Support L. Williams, Supervisor, Security H. Young, Director, Quality Assurance/Quality Control (QA/QC)
Other licensee employees contacted included technicians, operators, mechanics, construction personnel, security force members, and office personne. 2. Exit Interview (30702,30703)
The inspection scope and findings were summarized on December 9, 1986, with the Plant General Manager, the Director of Quality Assurance and the Director of Regulatory Complianc The licensee acknowledged the findings
without exception. The licensee did not identify as proprietary any of the, materials provided to or reviewed by the inspectors during this inspectio No written material was given to the licensee by the Resident Inspectors during this report perio.
Licensee Action on Previous Enforcement Matters (92702)
(Closed) Violation 50-261/86-24-01:
The inspectors reviewed the licensee's corrective actions concerning the failure to maintain Safeguards Information in a locked security container while unattended and determined that the licensee's corrective action appeared adequate. This item is close.
Licensee Action on Previously Identified Inspection Items (92701)
(Closed)
Inspector Followup Item 50-261/85-07-02:
The inspectors reviewed licensee documentation associated with an exemption request for use of Rockbestos Cable in lieu of a radiant heat shield to provide a level of fire protection equivalent to the technical requirements of Section III. G.2.F of Appendix R. As documented in an NRC letter from:
Mr. L. S. Rubenstein (NRR), to:
Mr. E. E. Utley (CP&L) dated September 17, 1986, with enclosed staff safety evaluation and technical evaluation report, the staff granted the subject request without exception. This item is close (Closed)
Inspector Followup Item 50-261/85-07-09:
The inspectors reviewed licensee documentation associated with an exemption request involving fire zones outside the containment where fire detection and fixed fire suppression systems had not been installed throughout the are As documented in an NRC letter from:
Mr. L. S. Rubenstein (NRR), to:
Mr. E. E. Utley (CP&L) dated September 17, 1986, with enclosed staff safety evaluation and technical evaluation report, the staff granted the subject request without exception. This item is close (Closed)
Inspector Followup Item 50-261/86-06-01:
The inspectors witnessed the successful load test of the security system emergency power supply on November 20, 1986, and determined that the controlling procedure had been revised to provide the needed clarification. The inspectors also determined that additional batteries had been installed to provide the required generator starting capacity and that this modification appeared to be adequate. This item is close.
Plant Tour (71707, 62703, 71710)
The inspectors conducted plant tours periodically during the inspection interval to verify that monitoring equipment was recording as required, equipment was properly tagged, operations personnel were aware of plant conditions and maintenance activities, and plant housekeeping efforts were adequat The inspectors determined that appropriate radiation controls were properly established, excess equipment or material was stored properly, and combustible material was disposed of expeditiousl During tours the inspectors looked for the existence of unusual fluid leaks, piping vibrations, pipe hanger and seismic restraint abnormal settings, various valve and breaker positions, equipment clearance tags and component status, adequacy of fire fighting equipment, and instrument calibration dates. Some
tours were conducted on backshift Plant housekeeping and contamination control were observed to be outstanding. In particular, housekeeping in the RHR Pit was observed to be good and the motor operated valves in this area had been stenciled with their corresponding valve numbers thus facilitating identificatio The inspectors performed system status checks on the following systems:
a. Safety Injection System b. Component Cooling Water System c. Auxiliary Feedwater System Vital Station Batteries Electrical Switchgear Chemical and Volume Control System Emergency Diesel Generators No violations or deviations were identified within the areas inspecte. Technical Specification Compliance (71707, 62703, 61726)
During this reporting interval, the inspectors verified compliance with selected limiting conditions for operation and reviewed results of certain surveillance and maintenance activitie These verifications were accomplished by direct observation of monitoring instrumentation, valve positions, switch positions, and review of completed logs and record No violations or deviations were identified within the areas inspecte.
Plant Operations Review (71707, 62703, 61726, 61707, 61711)
Periodically during the inspection interval, the inspectors reviewed shift logs and operations records, including data sheets, instrument traces, and records of equipment malfunction This review included control room logs, maintenance work requests, auxiliary logs, jumper logs, and equipment tagout records. The inspectors routinely observed operator alertness and demeanor during shift changes and plant tours. The inspectors conducted random off hours inspections during the reporting interval to assure that operations and security were maintained in accordance with plant procedure The inspectors periodically verified the reactor shutdown margi The inspectors also periodically observed the reactor axial flux difference and compared the observed values with those required by the T No violations or deviations were identified within the areas inspecte.
Physical Protection (71707)
In the course of the monthly activities, the Resident Inspectors included a review of the licensee's physical security program. The inspectors verified by general observation, perimeter walkdowns and interviews that measures taken to assure the physical protection of the facility met current requirements. The inspectors routinely observed the alertness and demeanor of security force personnel during plant tour The performance of various shifts of the security force was observed in the conduct of daily activities to include:
protected and vital areas access controls; searching of personnel, packages and vehicles; badge issuance and retrieval ; escorting of visitors; and patrols and compensatory post In addition, the Resident Inspectors observed protected area lighting, protected and vital areas barrier integrity and verified an interface between the security organization and operations or maintenanc The Resident Inspectors also visited the central alarm station, observed the security equipment power supply test, and verified the licensee's protection of Safeguards Informatio The inspectors observed a successful load test of the security system emergency power supply on November 20, 198 This test was conducted in accordance with the appropriate security procedure and involved the PAP diesel generator load assumption of all security electrical loads except those assigned to the TSC and EOF. The inspectors also observed activities in the Central Alarm Station and in the Personnel Access Portal diesel generator buildin Upon completion of testing, the inspectors independently verified that the system was returned to servic No violations or deviations were identified within the areas inspecte. Monthly Surveillance Observation (61726, 61700, 71710)
The inspectors observed portions of selected surveillance tests including all aspects of one major surveillance test involving safety-related system The inspectors determined that the surveillance test procedure conformed to TS requirements, that all precautions and Limiting Conditions for Operations (LCOs) were met and that the surveillance test was completed at the required frequency. The inspectors also verified that the required administrative approvals and tagouts were obtained prior to initiating the test, that the testing was accomplished by qualified personnel in accordance with an approved test procedure and that the required test instrumentation was properly calibrate The inspectors witnessed the execution of the weekly operability test of the emergency diesel as it was performed on the "A" emergency diesel generato This test was conducted using Operations Surveillance Test Procedure OST-401 (Revision 8) titled "Emergency Diesels - Weekly."
OST-401 is designed to verify the mechanical performance and operational readiness of the emergency diesels; and that the requirements of TS 4.6. and 4.6.1.4 are satisfied. With respect to tests and surveillances which are to be performed as stated, TS 4.6.1.1 requires a:
"Manually-initiated start of the diesel generator, followed by manual synchronization with other power sources and assumption of load by the diesel generator up to the nameplate ratin Normal plant operation will not be affected."
TS 4.6.1.4 requires that;
"Diesel generator electric loads shall not be increased beyond the long term rating of 2500 kw."
The inspectors noted that although the TS requires that this test be performed on a monthly basis, the licensee performs the test weekly in accordance with a vendor recommendation. As part of the test, the operator verified the operation of the redundant solenoid valves on the "A" diesel prior to the engine start. The "A" diesel generator successfully completed the test requirement Upon completion of the testing, the inspectors observed that the recorded test data was accurate and complete, and independently verified that the system was properly returned to servic No violations or deviations were identified within the areas inspecte. Monthly Maintenance Observation and Maintenance Program Evaluation (62703, 62700)
The inspectors observed several maintenance related activities of safety related systems and components to ascertain that these activities were conducted in accordance with approved procedures, TS and appropriate industry codes and standards. The inspectors determined that these activities were not violating LCOs and that redundant components were operable. The inspectors also determined (1) that the procedures used were adequate to control the activity, (2) that required administrative approvals and tagouts were obtained prior to work initiation, and (3) that proper radiological, and appropriate ignition and fire prevention controls were implemente The inspectors verified that these activities were accomplished by qualified personnel using approved procedure The inspectors independently verified that equipment was properly tested before being returned to servic Specifically, the inspectors witnessed major portions of maintenance surveillance test MST-010 (Revision 10) titled "Reactor Protection Logic Train +/-A' and +/-B' at Power and Safeguards Relay Rack Train +/-A' and +/-B'".
This test is performed to insure that the reactor protection logic train "A" and "B" and safeguard relay rack train "A" and "B" function properly and satisfy TS requirement The inspectors observed the establishment of communications between the safeguards logic panel and the control room as well as the conduct of the individuals involved in the surveillanc The inspectors witnessed the safeguard relay logic testing of train "A" and "B" and determined that the safeguards and test lights and annunciator alarms were received on the reactor turbine generator board. During the conduct of this test, the inspectors noted that all prerequisites and precautions were observed by the personnel involved including the limitation that only one reactor protection logic train bypass breaker was racked out at any given time. The inspectors witnessed the return to service of both trains of the safeguard relay logic system without inciden Additionally, the inspectors reviewed several outstanding job orders to determine that the licensee was giving priority to safety-related
maintenance and that a backlog which might affect its performance was not developing on a given syste No violations or deviations were identified within the areas inspecte.
Operational Safety Verification (71707)
The inspectors observed licensee activities to ascertain that the facility was being operated safely and in conformance with regulatory requirements, and that the licensee management control system was effectively discharging its responsibilities for continued safe operation by direct observation of activities, tours of the facility, interviews and discussions with licensee management and personnel, independent verification of safety system status and limiting conditions for operation, and reviewing facility record The inspectors observed licensee activities associated with the Robinson Nuclear Plant drill dress rehearsal on November 12, 198 This exercise scenario was based on a fire in a vital area, failure of the reactor to trip on demand, fuel damage and a subsequent loss of reactor coolant acciden The inspectors witnessed the assembly of response personnel, the establishment of communications, the assessment of the simulated plant conditions, and the activation of the Technical Support Center (TSC) and the Emergency Operating Facility (EOF).
The inspectors also witnessed the licensee's response to the exercise scenari No violations or deviations were identified within the areas inspecte.
ESF System Walkdown and Monthly Surveillance Observation (71710, 61726, 56700)
The inspectors verified the operability of certain engineered safety features systems by performing a walkdown of the accessible portions of the safety injection, residual heat removal and containment spray systems as prescribed by Operations Surveillance Test Procedure OST-158 (Revision 3)
titled "Safety Injection and Containment Spray Systems Flowpath Verification Monthly Interval (At Power)".
The inspectors noted that the current revision of the subject procedure was used by qualified operations personnel and that the monthly performance of this surveillance test satisfied the requirements of Section 4.5.2.2 of the TS which states:
"At monthly intervals during power operations each valve (manual, power operated, or automatic) in the safety injection (low and high pressure)
and containment spray system flow paths that is not locked, sealed or otherwise secured in position shall be verified as correctly positioned."
The inspectors determined that the prerequisites for the performance of this surveillance test were performed and that all specified precautions and limitations were observed. The inspectors looked for equipment conditions, maintenance status and items that might degrade performance (that hangers and supports were operable, acceptable housekeeping, etc.).
The inspectors verified that valves were in proper position, power was available, and valves were locked as appropriate. The inspectors compared both local and
remote position indications and confirmed that the licensee's system lineup procedures matched plant drawings and the as-built configuratio The inspectors noted a marked improvement in the housekeeping in the Residual Heat Removal (RHR) Pump Pit area from the conditions identified in Inspection Report 50-261/86-13. Housekeeping in the RHR Pit was observed to be good and the motor operated valves in this area had been stenciled with their corresponding valve numbers thus facilitating identificatio No violations or deviations were identified within the areas inspecte.
Cold Weather Preparations (71714)
The inspectors conducted a review of licensee cold weather preparations to ascertain that the licensee maintained effective implementation of the program of protective measures for extreme cold weathe During the inspection, the inspectors verified that the licensee had inspected systems susceptible to freezing to verify the presence of heat tracing, strip heaters, and/or insulation; the proper setting of thermostats; and that the heat tracing and strip heating circuits were energize The inspectors witnessed the operability verification, performed by instrumentation and control technicians, of various freeze protection panels throughout the plan The inspectors observed channel current testing in the subject panels and, for those freeze protection channels which indicated a faulted condition, the inspectors determined that corrective maintenance work requests were initiated. Subsequent to the completion of the cold weather preventative maintenance testing, the inspectors independently witnessed the return to service of the affected equipmen No violations or deviations were identified within the areas inspecte. Onsite Followup of Events and Subsequent Written Reports of Nonroutine Events at Power Reactor Facilities (92700, 90714, 93702)
For onsite followup of nonroutine events, the inspectors determined that the licensee had taken corrective actions as stated in written reports of the events and that these responses to the events were appropriate and met regulatory requirements, license conditions, and commitment No violations or deviations were identified within the areas inspecte.
IE Bulletin, Confirmatory Action Letter, and Generic Letter Followup (92703)
The inspectors reviewed licensee correspondence to ascertain that the information discussed in General Electric Service Information Letter SIL-445 was appropriately dispositioned by the licensee. This SIL concerned several deficiencies identified in a multiple fuse failure event at the Monticello Nuclear Plan These fuse failures resulted in an undetected loss of intermediate range (IR) monitoring channels in the neutron measuring syste The inspectors determined that the licensee was tracking the subject SIL, that a technical review had been performed by their On-site Nuclear Safety
(ONS) group, and that appropriate management involvement was being directed to this issu The evaluation performed by ONS indicated that H. B. Robinson, Unit 2 (HBR2)
is not susceptible to the same type of undetected loss of IR monitoring channels due to existing multiple/redundant design features and operational requirements. These include:
two independent power supplies to HBR2's IR NIS;.monthly surveillance testing of the IR, NIS alarms and logic functions; and control room annunciator alarms resulting from the loss of either control or instrument power to either IR instrument systems. The inspectors determined that the ONS evaluation appeared to be adequat No violations or deviations were identified within the areas inspecte.
Organization and Administration (36700)
The inspectors reviewed the on-site licensee organization to ascertain whether changes made to the licensee's onsite organization are in conformance with the requirements of the TS by verifying that (1) the established organization is as described in the TS and is functioning effectively, (2) personnel qualification levels are in conformance with applicable 'codes and standards, and (3) the lines of authority and responsibility are in conformance with TS and applicable codes and standard Comprehensive discussions of current safety-related activities were conducted with plant management and technical personnel during this reporting period including, and in particular, Operations, Environmental and Radiation Controls, Quality Assurance, Regulatory Compliance and Onsite Nuclear Safety organizations. Topics discussed included licensee activities associated with plant operations activities; plant modifications, including the security system upgrade; the fire protection system; ongoing construction activities; and communications interface No violations or deviations were identified within the areas inspecte.
Core Thermal Power Evaluation (61706)
On November 20, 1986, the inspectors verified that the calculation of core thermal power was properly performed in accordance with Revision 5 to Operations Surveillance Procedure OST-010 titled "Power Range Calorimetric During Power Operation Daily;"
and that the power level instruments indicated that the reactor power was within prescribed limit The inspectors also reviewed the current revision of OST-010 for technical adequacy and reviewed the results for a specific evaluation at 100% powe The licensee performed the evaluations daily, which is within the frequency prescribed by the T No violations or deviations were identified within the areas inspecte.
Followup on Headquarters Requests (92704)
The inspectors continued to follow the onsite activities associated with the construction of an Independent Spent Fuels Storage Facilit The construction phase of operations associated with reinforced concrete placement for the Horizontal Storage Module (HSM) was complete Construction of the heavy haul roadway connecting the HSM and the decontamination building were completed on December 8, 198 No violations or deviations were identified within the areas inspecte.
Participation in NRR/Licensee Meetings (94702)
The inspectors also provided a plant tour for the NRR Project Manager. The inspectors participated in discussions of a number of topics during a program status meeting held between the NRR Project Manager and the licensee on November 13, 198 No violations or deviations were identified within the areas inspected.