ML19352B012
| ML19352B012 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 05/19/1981 |
| From: | Baker K, Gildner M NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML19352B008 | List: |
| References | |
| 50-282-81-08, 50-282-81-8, 50-306-81-09, 50-306-81-9, NUDOCS 8106020553 | |
| Download: ML19352B012 (6) | |
See also: IR 05000282/1981008
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U.S. NUCLEAR REGULATORY COMMISSION
OFFICE OF INVESTIGATION AND ENFORCEMENT
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REGION III
Reports No. 50-282/81-08; 50-306/81-09
Docket Nos. 50-282; 50-306
Licensee: Northern States Power Company
414 Nicollet Mall
Minneapolis, MN 55401
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Facility Name: Prairie Island Nuclear Generating Plant, Units I snd 2
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Inspection At: Red Wing, MN
Inspection Conducted: April 20-24, 1981
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Inspector:
M. L. Gildner
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Approved By:
Ske
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Management Programs Section
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Inspection Summary
Inspection on April 20-24 1981 (Reports No. 50-282/81-08; 50-306/81-09
Areas Inspected: Routine unannounced inspection of calibration of safety-
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related components and equipment. The inspection involved a total of 40
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inspector-hours onsite by one NRC inspector. None of the inspector-hours
were spent onsite during offshifts.
Results:
In the area inspected, the inspector identified one apparent
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item of noncompliance. The apparent item of noncompliance was a failure
to record the as-found data on test equipment and certain safety-related
component calibrations per Details Paragraphs 2.b and 5.b.
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DETAILS
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1.
Persons Contacted
- F.
P. Tierney, Jr., Plant Manager
- J. L. Hoffman, Superintendent Technical Engineering
- W. C. Gauger, I&C Supervisor
D. W. Swenson, I&C Coordinator
K.J. Albrecht, Superintendent Quality Engineering
Additional plant technical and administrative personnel were
contacted during the course of the inspection.
- Deno'tes those personnel present during the exit meeting.
2.
Test Equipment Calibration
The inspector selected the below listed test equipment used in the
calibration of safety-related equipment and determined that the
accuracy of those instruments were traceable to the National Bureau
of Standards or other independent testing agencies; the equipment
was properly controlled; and storage of equipment was adequate,
Teyt Equipment Reviewed
a.
T-PI-1
Mansfield/ Green Deadweight Tester Model TQ-50
T-PI-33
Heise Test Gauge 0-200#
T-PI-63
General Radio Decade Resistance Model 1433-T
T-PI-150 Leeds and Northrop Millivolt Potentiometer 8686
T-PI-172 Fluke Digital Thermometer Model 2100A
T-PI-174 Fluke Multifunction Meter Model 8800A
T-PI-231 Roylyn Test Gauge 0-60#
b.
Findings
Noncompliance.
Technical Specification 6.5 requires that written procedures
for maintenance and tests be followed. Administrative Control
Directive 5 ACD 3.14 " Control of Measuring and Testing Equipment"
requires in part that when calibrating instruments as-found and
as-left condition be recorde,d.
NSP Administrative Control Directive 5 ACD 3.14 " Control of
Measuring and Testing Equipmenr." Section 6.10 " Required Records"
states in part, that the following minimum information shall be
included...as-found and as-left condition.
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NSP Operational Quality Assurance Program Section 13.
" Test
Control" states in part, that test results shall be documented.
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In addition the approved QA Program commits to ANSI N18.7-1976
Section 5.3.10 " Test and Inspection Procedures" which states in
part, that tent and inspection procedures shall require recording
the date, identification of those ' performing the test or inspec-
tion, as-found conditions, corrective actions performed, if any,
and as-left condition.
Contrary to the above, the calibration record cards for test
and measuring equipment calibrated by the I&C shop do not have
as-found data recorded. The calibration record cards have the
as-lef t data for instruments that required adjustments or the
notation of " Cal Check Ok" for those instruments which did not
require adjustments.
(282/81-08-01; 306/81-09-01)
c.
Discussions
(1) The inspector's review of calibration records found that
the instruments were being calibrated properly and at
proper intervals. As-found data was taken for instrument
evaluation but was not retained on the permanent calibration
record cards.
(2) The inspector noted that scheduling of test equipment
calibrations was based on a computer listing and a manual
system. When conflicts occurred between the two systems,
the manual system took precedence. The computer based
system requires updating to reflect equipment changes and
calibration updates. The manual system appeared to be the
actual working system.
3.
Surveillance of Safety-Related Components or Equipment
The inspector reviewed plant surveillance / calibration procedures
listed below. This review was performed to determine if the sur-
veillance test was covered by properly approved procedures; the
procedures contained prerequisites and preparations for the test;
the procedures contained functional testing of instrumentation;
the procedures included acceptance criteria; the procedures in-
cluded operational checks prior to returning equipment to service;
the technical content of the procedures would result in satisfactory
testing.
a.
Documents Reviewed
SCP-1002A
Analog Protection System Calibration.
SCP-1002B
Protection and Control Transmitters Calibration.
SCP-1030
Containment Sump Level Test and Calibration.
SCP-1031
Accumulator Level and Pressure Test and Calibration.
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STP-1003
Analog Protection Functional Test.
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STP-1032
Safeguards Logic Functional Test.
STP-1046
Rod Drop Time Test.
STP-1096
Battery Monthly Test.
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STP-1097
Battery Quarterly Test.
STP-1187
Diesel Fire Pump Battery Test.
Safeguards Signal Test.
b.
Findings
No items of noncompliance or deviations were identified in
this area.
4.
Calibration of Safety-Related Components Required by Technical
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Specifications
The inspector reviewed plant calibration records and selected logs
and records for the below listed calibration activities. This review
was performed to determine that the frequency of calibration was met;
the service status of the system was in conformance with the applic-
able limiting conditions of operation; the procedures used to calibrate
the components were reviewed and approved as required by the Technical
Specifications; the procedures used contained acceptable trip settings
using applicable technical specification requirements; the procedures
used contained detailed stepwise instructions; the technical content of
the procedures would result in satisfactory calibration; the trip points
conformed to applicable Technical Specifications; the qualifications of
two individuals in the I&C Group having responsibilities for performing
calibrations were adequate,
a.
Records Reviewed
Note: Those records reviewed were the most recently completed at
the time of the inspection.
IC-1002B
Protection and Control Transmitters Calibration.
IC-2002B
Protection and Control Transmitters Calibration.
IC-1020
RER Pump Flow Calibration.
IC-2020
RER Pump Flow Calibration.
IC-1025
Volume Control Tank Level Calibration.
IC-2025
Volume Control Tank Level Calibration.
IC-1031
Accumuletor Level and Pressure Calibration.
IC-2031
Accumulator Level and Pressure Calibration.
IC-1549A
NIS Source Range Calibration.
b.
Findings
No items of noncompliance or deviations were identified.
c.
Discussion
The inspector noted during the records review that the techni-
cians were engaging in several practices which could lead to
calibration problems. When an instrument was lef t unadjusted,
the as-left data column was often left blank. The as-found data
should be repeated or the notation of "same" made in that column.
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When calibrating an instrument that requires data both in-
creasing and decreasing, the instrument would not be over
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ranged and the top end point be verified in the decreasing
direction. This could lead to masking a top end hysteresis
problem.
Both of these concerns were discussed in detail with the I&C
Supervisor who stated the comments would be considered.
5.
Calibration of Safety-Related Components Not Specified by Technical
Specifications
The inspector reviewed plant calibration records for the below
listed components. This review was performed to determine if specific
calibration requirements have been established; the operating range /
accuracy of components were consistent with applicable Technical
Specifications /SAR; the procedures used to calibrate the components
were reviewed and approved as required by Technical Specifications;
the procedures used contained acceptance criterla consistent with
Technical Specifications /SAR criteria; the procedures used contained
detailed instructions commensurate with the complexity of the cali-
bration; the technicil content of the procedures would result in
satisfactory calibrat ion.
a.
Records Reviewed
0-16216
Emergency Diesel Generator Cooling Water
Temperature Controller.
0-16236
Emergency Diesel Generator Lube Oil Temperature
Controller.
0-17837
Loop "B" Cooling Water Header Pressure Transmitter.
1-PT-628
RHR Pump Discharge Pressure Transmitter.
1-PT-923
SI Pump Discharge Pressure Transmitter.
2-16020
Aux Feedwater Permissive Start /Stop Pressure Switch.
2-FI-144
Deborate Flow Indicator.
2-PC-944
SI Accumulator Nitrogen Supply Control 1'er.
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Findings
Noncompliance.
TS-16216 "D2 Emergency Diesel Generator Jacket Cooling Tempera-
ture Switch" calibration record card shows a single set of data
points marked as " Actual." It could not be determined if " actual"
indicated as-found or as-lef t.
Conflicting opinions were obtained
during discussion with licensee personnel. This was duplicated in
sever.11 other calibration records reviewed by the inspector.
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This is another example of the noncompliance identified in
Paragraph 2.b of this report.
c.
Discussion
(1) The inspector noted that in a few cases the. instruments
had as-found and as-left data when a different calibration
record card was used.
It appears that as the old cards are
completed, they are replaced with correct format cards. The
inspector suggested that the newer cards be used on the next
calibration of each instrument as it became due for recali-
bration.
(2) The inspector noted several discrepancies between data as
shown on the computerized schedule and the individual cali-
bration record cards. The inspector discussed with the I&C
Supervisor the importance of ensuring the correctness of
this scheduling document.
6.
Exit Meeting
The exit meeting was held with those plant personnel indicated by an
asterisk in Paragraph 1 on Friday, April 24, 1981. The findings and
concerns of this report were discussed with those present.
The inspector indicated to those present his appreciation of the
cooperation by plant personnel during the conduct of this inspection.
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