ML20247K199
| ML20247K199 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 05/17/1989 |
| From: | Everett R, Terc N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | |
| Shared Package | |
| ML20247K175 | List: |
| References | |
| 50-498-89-12, 50-499-89-12, NUDOCS 8906010239 | |
| Download: ML20247K199 (7) | |
See also: IR 05000498/1989012
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APPENDIX
U.S. NUCLEAR REGULATORY COMMISSION
REGION IV
NRC Inspection Report:
50-498/89-12
.0perating Licenses:
50-499/89-12
Dockets:
50-498
'
- 50-499-
Licensee: , Houston Lighting & Power Company (HL&P)
P.O. Box 1700
. Houston, Texas 77001'
Facility Name:
South Texas Project (STP), Units 1 and 2
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Inspection At:
STP,'Matagorda County, Texas.-
Inspection Conducted:
April 2 -28, 1989
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Inspector:
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N. M. Terc, Emergency Preparedness Anal st
Date
(NRC Team Leader)
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- Accompanying.
J. Tapia, Senior'NRC Resident Inspector, STP
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Personnel:
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Unit 1
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J. Sears, Comex Corporation
D. Schultz', Comex Corporation
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Approved:
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5~//7/89
R. J. Everett, Chief, Security and Emergency
Date
Preparedness Section
Inspection Summary
Inspection Conducted April 24-28, 1989 (Report 50-498/89-12; 50-499/89-12)-
[
Areas Inspected:
Routine, announced inspection of the licensee's performance
and capabilities during an annual exercise of the emergency plan and
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procedures.
The NRC inspection tean observed activities in the Control
Room (CR), Technical Support Center (TSC), the Emergency Operations
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Facility (EOF), and-the Operations Support Center (OSC) during the exercise,
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Results: Within.the areas inspected, no violations or deviations were
identified. -Four exercise weaknesses were identified by the NRC inspection
team (paragraphs 4-6).
Weaknesses identified include inadequate personnel
accountability methods, inattentiveness to personnel safety _during the medical
emergency scenario, errors in notification messages, and inaccurate dose
projections.
Generally, the licensee's response was adequate to protect the
health and' safety of the public.
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DETAILS-
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.1.
Persons Contacted.
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.HL&P
- W. H.: Kinsey, Plant Manager
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- G. E. Vaughn, Vice' President, Nuclear Operations
- M. A.'McBurnett, Licensing Manager
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- W. A. Randlett, Security Manager
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- S. L. Rosen; Vice President, Nuclear Engineering'& Construction
- J. A. Brady,' Manager, Emergency Preparedness
- S. M. Head, Supervising Licensing Engineerc
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- C. G. ; Walker,. Site Public Affairs Manager
. P. L. Walker,- Senior Licensing Engineer
- M.-R. Wisenburg, Plant Superintendent, Unit 1
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- D; ~ A.- Leazar, Reactor Support Manager
- J. E. Geiger, General-Manager, Nuclear Assurance
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- J. R. Loven, Technical Services Manager
NRC
- J.-Bess, Senior Resident Inspector, STP, Unit 2
The NRC inspection team also held discussions with other station and'
corporate personnel in the areas of security, health physics, operations,
training, and emergency response.
- Denotes'those present"at the exit interview.
2.
Followup on Previous Inspection Findings (92701)'
(Closed) Exercise Weakness (498/8842-01; 499/8842-01):
Ineffective
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Control Room Communicator - The NRC inspection team noted_that the control
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room communicators had been retrained and demonstrated their proficiency
during.the 1989 exercise.
'
(Closed) Exercise Weakness (498/8842-02; 499/8842-02):
Delay of Repair
Teams - During the 1988 exercise, a repair team was delayed due to the
lack of personnel exposure data. The NRC inspection team noted that
during the 1989 exercise, repair teams were not delayed for lack of
. personnel exposure data. A new method for obtaining personnel exposure
histories was in: place. This method provides necessary data to allow
a
higher emergency exposures.
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3.
Program Areas Inspected
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The NRC inspection team observed licensee activities in the CR, TSC, OSC,
and E0F during the exercise. The NRC inspection team also observed
emergency response organization staffing; facility activation; detection,
classification, and operational assessment; notifications of licensee
personnel; notifications of offsite agencies; formulation of protective
action recommendations; offsite dose assessment; in plant corrective
actions and medical rescue; Security / Accountability activities; and
recovery operations.
Inspection findings are documented in the following
paragraphs.
There were no findings for the CR, TSC, or OSC during the exercise.
4.
Emergency Operations Facility (82301) (3)
The NRC inspection team noted that dose projections performed after the
Loss of Coolant Accident did not take into consideration high range
containment monitor readings indicating core damage. As a consequence,
dose projections underestimated radioactive releases by an order of
magnitude.
The NRC inspection team also determined that
Procedure OPEP02-Z6-0007, " Coolant Activity and Radionuclides Trend for
Failed Fuel," which correlates core damage to high range containment
monitor readings was not implemented either by the TSC staff or by dose
assessors at the EOF. As a consequence, dose projections were not based
on the extent of existing core damage.
This was due, in part, to the fact
that this procedure does not specify implementation duties and
responsibilities.
The above is an exercise weakness.
(498/8912-01; 499/8912-01)
Several errors were noted on the Site Area Emergency (SAE) and General
Emergency notification messages as folicws:
SAE Message No. 4, sent at 9:52 a.m.,
stated, in Block 8 that the
message included new radioactive release information.
Block C
reflected a release was in progress with an expected duration of
8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> which started at 8:39 a.m.
However, the pathway to the
environment did not occur until 9:30 a.m. due to the failure of the
containment auxiliary hatch, and the EOF staff was not made aware of
the leak to the environment until 9:54 a.m. based on a visual report
of steam leaking f rom the hatch.
SAE Message No. 4 stated, in Block 9, that projected offsite doses
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were not available because the release rate was too low, at
9:41 a.m., to generate dose projections.
However, licensee's dose
projections available at the.t time reflected a child thyroid dose of
2.3 rems.
The above is an exercise weakness.
(498/8912-02; 499/8912-02)
No violations or deviations were identified in this program area.
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5.
Corrective Actions / Rescue and Medical Team (82301) (7) and (10)
The NRC inspection team noted that during the medical emergency 1 scenario,
the medical team did not establish priorities properly.. The extent of the
simulated injuries was of such a nature'that the medical team should have
immediately recognized their precedence over the. radioactive contamination
on the victim.
Instead of providing the victim with urgently needed
medical attention, the responders gave priority to matters pertaining to.
contamination.
In addition, the medical' team did not properly secure the
stretcher, nor the victim, and did not take proper precautions with the
oxygen bottle when transporting the victim.
Furthermore, several
responders failed to observe proper radiological controls and
cross-contaminated themselves, the victim, and equipment.
The licensee identified this item as a weakness in their critique with the
NRC.
The above is an exercise weakness.
(498/8912-03; 499/8912-03)
No violations or deviations were identified in this program area.
6.
Security / Accountability (82301) (8)
The NRC inspection team noted that during the site evacuation, the
licensee was unable to promptly provide adequate accountability of
personnel'that remained onsite.
Site evacuation was started at 9:45 a.m.
At'10:15 a.m.,
the security staff at the East Gate Security Gate reported
that 65 persons were still unaccounted for.
This delay in accountability
during site evacuation was noted in the previous exercise.
The licensee
identified this item as a weakness in their critique with the NRC.
In
addition, the NRC inspection team noted that continuous accountability of
essential OSC personnel after the site evacuation was poor.
The above is an exercise weakness.
(498/8912-04; 499/8912-04)
No violations or desiations were identified in this program area.
7.
Exit Interview
The NRC inspection team met with the NRC resident inspectors and licensee
representatives indicated in paragraph 1 on April 28, 1989, and summarized
the scope and findings of the inspection as presented in this report. The
licensee acknowledged their understanding of weaknesses and agreed to
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examine them to find root causes in order to take adequate corrective
actions.
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