IR 05000498/1989002
| ML20245L557 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 06/29/1989 |
| From: | Milhoan J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Goldberg J HOUSTON LIGHTING & POWER CO. |
| References | |
| NUDOCS 8907050525 | |
| Download: ML20245L557 (2) | |
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In Reply' Refer To:
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' Dockets: ~ 50-498/89-02-50-499/89-02~
l Houston Lighting & Power Company ATTN: J H. Goldberg, Group Vice
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President, Nuclear P.O. Box 1700 Houston, Texas' 77001 Gentlemen:
.Thank you for your letter of 4.:y 25, 1989, in response to our letter and
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Notice of Violation dated April 25, 1989. We have reviewed you'r reply and find it responsive to the concerns raised in our Notice of Violation., We will review the implementation of your corrective actions during a future ir.spection to determine that full compliance has been achieved and will be maintained.
Sincerely, OriginalSigned By:
James L Milhoan James L. Milhoan, Director Division of Reactor Projects cc:
l Houston Lighting & Power Company ATTN:'
M. A. McBurnett, Manager Operations Support Licensing P.O. Box 289 Wadsworth,-Texas 77483 i
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Houston Lighting & Power Company ATTN:
Gerald E. Vaughn, Vice President
Nuclear Operations-P.O. Box 289 Wadsworth, Texas 77483
. Houston Lighting & Power Company ATTN: l J. T. Westermeier, General >lanager South Texas Project P.O. Box.289 Wadsworth, Texas '77483 i
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-P.O.. Box 2121-Corpus Christi, Texa's 78403-C1ty of Austin Electric. Utility cATTH:
'R. -J. Miner, Chief Operating Officer (2 copies)
721 Barton Springs Road
' Austin, Texas: 78704-
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Newman & Holtzinger, P.C.
ATTN:
J.'R. Newman, Esquire-1615 L Street, N.W.
-Washington, D.C.
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Houston Lighting alPower Company ATTN:.;S. L.'Rosen;
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P.O. Box 289'
Wadsworth,. Texas :7/483 Houston Lighting &_ Power Company ATTH:
-R..W. Chewning Chairman Nuclear Safety Review Board P.O. Box 289.
Wadsworth, Texas 77483 City Public Service Board ATIN:.-
R.-'d. Costello/M. T. Hardt P.O. Box'1771 San. Antonio, Texas 78296 Houston Lighting & Power Company ATTN: L1 censing Representative
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Sulte 610 Three Metro Center Bethesda, Maryland 20814 lexas Radiation Control Program Director bectoDMB(IE01)--
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DRP3 RRI SectionChief(DRP/D)
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Lisa Shea,'RM/ALF.
'R. Bachmann, OGC RSTS Operator G. Dick, NRR Project Manager (MS: '13-D-18)
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The Light I
company P.O. Box 1700 Houston. "Ibxas 77001 (713) 228 9211 llouston Lighting & Power
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May 25, 1989
ST-HL-AE-3106
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File No.:.G02.04 10CFR2.201 ( [$(U)[IOh U. S. Nuclear Regulatory Commission j,{
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Attention:
Document Control Desk
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Washington, DC 20555 jut 4-813d9 b.,
South Texas Project Electric Generating Station
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Unit 2 Docket No. STN 50-499 Response to Notice of Violation 499/8902-01 Houston Lighting & Power Company (HIAP) has reviewed Notice of Violation 499/8902-01 dated April 25, 1989. H14P concurs that the cited violation occurred. The violation has been fully addressed as the subject of the attached Licensee Event Report 89-002, " Failure to Properly Restore Control Room' Ventilation System Following Testing."
As indicated in the attached Licensee Event Report, HL&P is now in full compliance.
Corrective actions have been taken to prevent recurrence.
However, as noted in Corrective Action #3, a schedule is being developed to cover preparation of a formal training program for procedure writers and personnel responsible for procedure performance.
This schedule will be developed by July 31, 1989.
If you should have any questions on this matter, please contact Mr. M. A. McBurnett at (512) 972-8530.
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G. E. Vaughn kk, f
Vice President j
Nuclear Operations I
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GEV/PLW/sgs Attachment:
Licensee Event Report 89-002 l
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Ifouston Li,,hting & Power O>mpany Pile No.: C02.04 Page 2 cc:
Regional Administrator, Region IV Rufus S. Scott Nuclear Regulatory Commission Associate General Counsel 611 Ryan Plaza Drive, suite 1000 Houston Lighting 6 Power Company Arlington, TX-76011 P. O. Box 1700 Houston, TX 77001 George Dick, Project Mar.ager U. G. Nuclear R Sulato*.y Commission INPO Washington, DC 205.55 Records Center 1100 circle 75 Parkway Jack E. Bess Atlanta, CA 30339 3064 Senior Resident Inspector - Unit 1 c/o U. S. Nuclear Regulatory Commission Dr. Joseph M. Hendrie P. O. Box 910 50 Be11 port Lane
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Bay City, TX 77414 Be11 port, NY 11713 j
J. I. Tapia Senior Resident Inspector - Unit 2 c/o U. S. Nuclear Regulatory Commission P. O. Box 910 Bay City, TX 77414 J. R. Newman, Esquire Newman 6 Holtzinger, P. C.
1615 L Street, N. W.
Washington, DC 20036 R. L. Range /R. P. Verret Central Power & Light Company P. O. Box 2121 Corpus Christi, TX 78403 R. John Miner (2 Copies)
Chief Operating Officer City of Austin Electric Utility 721 Barton Springs Road Austin, TX 78704 R. J. Costello/M. T. Hardt City Public Service Board P. O. Box 1771 San Antonio, TX 78296 I
Revised 12/21/88
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The Light company P.O. Box 1700 Houston,~ Texas 77001 (713) 228 9211 Houston Lighting Ac Power l
February 8,1989 ST-HL-AE-2983 i
File No.:
G26 i
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l U. S. Nuclear Regulatory Commission Attention Document Control Desk Washington, DC 20555 l
South Texas Project Electric Generating Station l
Unit 2
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Docket No. STN 50-499
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Licensee Event Report 89-002 Regarding Failure to Properly Restore Control Room Ventilation System Following Testing Pursuant to 10CFR50.73, Houston Lighting & Power (HL&P) submits the attached Licensee Event Report (89-002) regarding a failure to properly restore the control room ventilation system following testing. This event did not have any adverse impact on the health and safety of the public.
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If you should have any questions on this matter, please contact Mr. C. A. Ayala at (512) 972-8628.
W G. E. Vaughn Vice President l
Nuclear Plant Operations GEV/BEH/n1 Attachment: LER 89-002 l
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ST-HL-AE-2983 File No.:-G26 Page 2-cc:
Regional Administrator, Region IV Rufus S. Scott
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Nuclear Regulatory. Commission Associate General Counsel 611 Ryan Plaza Drive, Suite 1000 Houston Lighting & Power Company Arlington, TX 76011 P. O. Box 1700 Houston, TX 77001 George Dick, Project Hanager U. S. Nuclear Regulatory Commission INPO Washington, DC 20555 Records Center 1100 Circle 75 Parkway Jack'E. Bess Atlanta, Ga. 30339-3064 Senior Resident Inspector-Unit I c/o U. S. Nuclear Regulatory Commission Dr. Joseph.H. Hendrie P. O. Box 910 50 Be11 port Lane Bay City, TX 77414 Bellpcrt, NY 11713 J. I. Tapia Senior Resident Inspector-Unit 2
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c/o U. S. Nuclear Regulatory. Commission
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P. O.. Box 910 Bay City, TX 77414
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J. R. Newman, Esquire Newman & Holtzinger, P.C.
1615 L' Street, N.W.
Washington, DC 20036 R. L. Range /R. P. Verret Central Powe,r & Light Company P. O. Box 2121 Corpus Christi, TX 78403 R. John Miner (2 copies)
Chief Operating. Officer City of Austin Electric Utility 721 Barton Springs Road Austin, TX 78704 R. J. Costello/M. T. Hardt City Public Service' Board P. O. Box 1771.
San Antonio, TX 78296 L
Revised 12/21/88 NL.DIST
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On January 7, 1989, Unit 2 was in Mode 6 prior to initial criticality..During
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the performance of a surveillance test to verify operability of the Control
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Room Envelope HVAC system, it was discovered that Train C did not function properly.
Further investigation revealed that plastic sheeting was installed over the makeup filter inlet during a test conducted on December 29, 1988 and had not been removed. This was a violation of Technical Specification 3.7.7.
The cause of this event was an inadequate test procedure which did not include J
specific steps for installation, removal, and independent verification of the
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plastic sheeting.
This is in violation of existing plant administrative procedures.
To prevent recurrence, plant personnel responsible for preparation of procedures will be trained on the requirements to provide positive procedural control and independent verification of actions which alter the configuration of plant systems.
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n.,,,e a nac e ann um DESCRIPTION OF OCCURRDiCE:
On January 7, 1989, Unit 2 was in Mode 6 prior to initial criticality.
During the performance of a surveillance test to verify operability of the Control Room Envelope NVAC system, it was discovered that Train C did not function At 0115 hours0.00133 days <br />0.0319 hours <br />1.901455e-4 weeks <br />4.37575e-5 months <br /> Operations personnel investigating the problem found properly.
plastic sheeting taped over the inlet of the supply duct to the Train C makeup carbon filter housing. Technical Specification 3.7.7 was entered pending removal of the plastic sheeting. At 0145 hours0.00168 days <br />0.0403 hours <br />2.397487e-4 weeks <br />5.51725e-5 months <br /> the sheeting was removed and the system was successfully tested and returned to service.
An investigation into the source of the plastic sheeting was conducted to determine the date of installation. It was discovered that the sheeting was installed to protect the control room carbon filters during the performance of
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a Halon concentration test on December 29, 1988.
Since this resulted in the inoperability of the Train C Control Room HVAC System for more than the seven days allowed by Technical Specification 3.7.7, this event was determined to be 1638 hours0.019 days <br />0.455 hours <br />0.00271 weeks <br />6.23259e-4 months <br /> on reportable and the NRC was notified pursuant to 10CFR50.72 at January 10, 1989.
.The Halon concentration t st procedure was a temporary procedure intended for
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one time use only.
It will be deleted from the plant procedure manual by February 22, 1989.
CAUSE OF OCCURREJCE:
include The cause of this event was an inadequate test procedure which did not detailed inst. ructions for the installation and removal of the plastic sheeting and did not include requirements for independent verification of these actions. This condition is a violation of existing plant administrative procedures which control preparation of test procedures.
ANALYSIS OF EVENT:
i Technical Specification 3.7.7 requires that an inoperable Control Room Makeup and Cle'anup Filtration System Train be restored to operable status within 7 days.
This condition resulted in Train C being inoperable for 9 days.
l Technical Specification violations are reportable pursuant to 10CFR50.73(a)(2)(1)(B).
At the time of this event, Unit 2 was in Mode 6 prior to initial criticality.
As such, no radioactivity had been produced and no decay heat was present.
Based on the surveillance interval defined in Technical Specification 3.7.7, the maximum time before the isolated train would have been detected was 31 days.
Therefore, in the worst case, the system would have been returned to service prior to initial criticality. The two redundant systems were operable throughout this event.
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CORRECTIVE ACTION:
The following corrective actions are being taken as a result of this event:
1.
A bulletin will be issued to plant personnel responsible for preparation of procedures which will discuss this event and reinforce the need to provide positive procedural controls and independent verification of actions which alter the configuration of'
plant systems. This action will be completed by February 15, 1989.
2.
Interim training of plant personnel responsible for the preparation.
of procedures will be completed by March 15, 1989. This training will include a discussion of the need to include positive procedural controls and independent verification of actions which alter the configuration of plant systems.
3.
A review of the need for a formal training program for procedure writers and personnel responsible for procedure performance will be completed by April 1, 1989. If additional training is determined to be necessary, a schedule for completion of the training will be developed at that time.
ADDITIONAL INFORMATION:
The following previous report has been submitted regarding failure to properly restore a system to operable condition following testing:
LER 87-012 Inoperable Feedwater Flow Transmitters Due to a Procedural Deficiency An extension of the 10CFR50.73 required due date was granted for this LER per discussion on February 6, 1989 with Mr. G. Holler of Region IV as a result of the effects of the inclement weather upon site nonessential staffing.
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