ML17292B453
| ML17292B453 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 11/11/1998 |
| From: | Webring R WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 50-397-98-18, G02-98-189, G2-98-189, NUDOCS 9811160013 | |
| Download: ML17292B453 (9) | |
Text
REGULATORY INFORMATXON DI DISTRXBUTION SYSTEM (RIDS) i i
ACCESSION NBR:9811160013 DOC.DATE'ACXL'50-397 WPPSS Nuclear AUTH.NAME uc ear Project, Unit 2, Washin t WEBR BRI?~G,R.LE Washington Public P
RECIP.NAME RECXP IENT AFFILIATION ic ower Supply System Records Management Branch ranch (Document Control Desk)
SUBJECT:
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~ Richlrtrtd, Washhtgtott 99352-0968 G02-98-189 November 11, 1998 Docket No. 50-397 U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555
.Gentlemen:
Subject:
WNP-2 OPERATING LICENSE NPF-21 NRC INSPECTION REPORT S0-397/98-18 RESPONSE TO EXERCISE WEAM%ESS
Reference:
Letter, dated October 8, 1998, Blaine Murray (NRC) to JU Pamsh (SS), "NRC Inspection Report 50-397i98-18" e Supply System hereby replies to the exercise weakness identified in your letter dated October 8, 1998.
Our reply, pursuant to the provisions of 10 CFR 50, Appendix B.IU.F, provides a description of corrective measures and the schedule for completion of those actions.
Section P4.4, "Operations Support Center," of the referenced inspection report included an identified weakness for failure to properly monitor habitability in the Operations Support Center (OSC).
The specific weakness consisted of six examples where the habitability process was not effectively implemented in the OSC.
The Supply System concurs with the assessment that the habitability monitoring of the OSC was inadequate to prevent or limit facility contamination and minimize personnel exposures P
and recognizes that improvements should be made in this area.
Corrective measures consist of:
1) remedial training for Health Physics (HP) Technicians and Supervisors on the procedural requirements and necessary activities described in PPM 13.10. 10, Health Physics, Chemistry, Operations Support Center Duties, Revision 12 for maintaining OSC habitability;
- 2) procurement of battery powered air samplers for OSC use; and 3) development of a survey map for OSC habitability use.
The scheduled completion date for corrective actions is February 26, 1999.
ifi60013 'PBiiii R
ADOCK 05000397
NRC INSPECTION REPORT 50-397/98-18
RESPONSE
TO TO EXERCISE WEAKNESS Page 2 tion rtainin to the six examples which make up the The following supplemental information pertaining weakness is also provided for clarification purposes.
For eas f f, summary r ease of reference, a summary statement for each example is provided.
E~xm le I surve s) were either never performed "Habitabilit surveys'airborne, contammation, and area surv y )
ed s occu ied b OSC personnel.
Maps were not us or were not regularly performed in all areas occupi y
ar s surveyed, and differen p y eren ar nt health h sics technicians survey i eren ar Survey documentation was unclear since only one o
g d se readin was recor or e
surveyed."
~Rg one We agree that habitability surveys were not performed to our ex tations. Occupied areas g
A h
ld be resurveyed when conditions change or are e pec ex ted to change significantly.
rea tel rtra s the radiologi surve s should be sufficient to provide information which accura y po y
cu ied b rsonnel with results recorded on an appropriate p
i pi y pe survey map and record form.
Corrective ac
've action will include a ressing is during remedial training for HP Technicians and Supervisors on PPM 13.1.,
an e
development of a survey and barrier map for OSC habitability use.
~Ex m le2 "The continuous air monitor and portable area radiation mon'ti or were not positioned to nditions in the center.
Moreover, there were provide a representative sample of habitability con i multiple ventilation zones and multiple paths for air to circulate into the center and ypass e
monitors."
~Res ese Th ed ral steps are written to allow the HP Lead to locate ate the Continuous Air Monitor e proc ur ders to be the most appropriate (CAM)/Area Radiation Monitor (ARM) in what he considers o
he CAM and ARM were located in the hallway outside the entrance to the OSC.
Due to the fact General Service Building (GSB) access was no res window was open inside te, mu i the OSC multiple pathways and airflow patterns
- existed, This comp ica 1'ed the locating of the air monitors to achieve a
representaive m
ed'al t ning for HP Technicians and Supervisors will stress
'o s the im rtance of locating am les of the breathing area air air sampling equipment in locations where representative samp es o under working conditions can be obtained.
NRC INSPECTION REPORT 50-397/98-18
RESPONSE
TO EXERCISE WEAKNESS Page 3 Exam le "An alternative means of air sampling was not established following the loss of power and the corresponding loss of the continuous air and portable area radiation monitors.
There were no battery powered air samplers available for use within the plant."
~Re ease We agree that OSC personnel did not pursue the need to locate alternative sources of power or to obtain. battery powered air samplers.
The need to procure and stage portable generators for OSC use during loss of power conditions is being evaluated.
The evaluation will determine generator size, number of portable generators needed and minimum requirements for battery power to the OSC.
A minimum of three battery powered air samplers for OSC use during loss of power conditions willbe purchased.
~Ex m~14 "Potential contamination paths were not properly evaluated and controlled.
For example:
(1) contamination control boundaries were not established to define the areas to be monitored; (2) an exterior window in the OSC command area remained open until 1:22 p.m., about 2.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> after the start of the release; (3) exterior doors into the area near the conference room (the area occupied by craft personnel) was not controlled; and (4) contamination surveys were not performed in occupied areas after the window was discovered open and the continuous air monitor alarmed."
R~e~nse We agree that potential contamination paths were not properly evaluated and controlled.
Following activation of the OSC, OSC personnel are staged in the GSB lunchroom, access control area, and the work control conference room.
Procedure 13.10.10 requires the performance of routine radiation and contamination surveys of the OSC and GSB work areas not monitored by the CAM, ARM and IPM-8s.
This issue will be addressed in remedial training for HP Technicians and Supervisors.
~Exam le "When plant conditions worsened and a radiological release was anticipated, access to the general services building was not restricted to a single entry point, and a step off pad and frisker were not staged at this entry point as required by Procedure 13.10.10, Health Physics, Chemistry, Operations Support Center Duties, Revision 12."
/
~
NRC INSPECTION REPORT 50-397/98-18
RESPONSE
TO EXERCISE WEAKNESS Page 4
~Re p~ne We agree that following activation of the OSC, as radiological conditions worsened, access to the GSB should have been restricted per the procedure to specific access points with a step off pad and frisker available at these locations.
Remedial training for HP Technicians and Supervisors will stress the importance of proper OSC access
- control, minimizing contamination of OSC work areas, and the need to follow procedural guidance.
Exam le "Hourly habitability surveys were performed instead of every 30 minutes, as specified in Procedure 13.10.10, Health Physics, Chemistry, Operations Support Center Duties, Revision 12."
~Res nse We agree that habitability surveys were not performed at the frequency identified in Procedure 13.10.10.
It is our expectation that procedures willbe complied with.
Remedial training for HP Technicians and Supervisors will stress the importance of 30 minute surveys for trending radiological conditions and for specific personnel exposure prediction.
Should you have any questions or require additional information pertaining to this letter, please contact Mr, Tim Messersmith at (509) 377-8568.
Respectfully, RL Webring Vice President, Operations Support/PIO Mail Drop PE08 rej cc:
EW Merschoff - NRC RIV GA Pick - NRC RIV C Poslusny, Jr. - NRR NRC Sr. Resident Inspector - 927N DL Williams - BPA/1399 PD Robinson - Winston 8c Strawn
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