ML20091M842

From kanterella
Jump to navigation Jump to search
Responds to NRC Re Violations Noted in IE Insp Repts 50-373/84-05 & 50-374/84-05.Corrective Actions: Discussion Held W/Lead Workman on Job to Emphasize Attention to Detail & Valve Position Verified
ML20091M842
Person / Time
Site: LaSalle  Constellation icon.png
Issue date: 05/18/1984
From: Farrar D
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20091M830 List:
References
8659N, NUDOCS 8406120125
Download: ML20091M842 (4)


Text

7

.[.'*

7^ 'N Commonwealth Edison l

) one First Nationit Pitzt, Chicago, Ilknois

+

O Addrtss Rtply to: Post Offica Box 767 1

(j}< Chicago, Illinois 60690 3

May 18, 1984 Mr.' James G. Keppler Regional Administrator U.S. Nuclear Regulatory Commission 799 Roosevelt Road - Region III Glbn Ellyn, IL 60137

Subject:

LaSalle Station Units 1 and 2 Response to Inspection Report Nos.

50-373/84-05 and 50-374/84-05 NRC Docket Nos. 50-373 and 50-374 Reference (a):

C. E. Norelius letter to Cordell Reed dated April 18, 1984.

Dear Mr. Keppler:

This letter is in response to the inspection conducted by Messrs. W. Guldemand, S. Guthrie and C. Evans on February 13 through March 23, 1984, of activities at LaSalle County Station.

Reference (a) indicated that certain activities appeared to be in noncompliance with NRC requirements.

The Commonwealth Edison Company response to the. Notice of Violation' is provided in the enclosure.

If you have any further questions on this matter, please direct them to this office.

~Very truly yours,

g. M. v/M W

D. L. Farrar Director of Nuclear Licensing lm Attachment

.cc:

NRC Resident Inspector'- LSCS m

3406%[o 8659N E

l ATTACHMENT COMMONWEALTH EDISON COMPANY LASALLE COUNTY STATION UNITS 1 and 2 RESPONSE TO NOTICE OF VIOLATION Dated April 18, 1984 ITEM OF NONCOMPLI ANCE 1.

Technical Specification 3.0.4 states, " Entry into an OPERATIONAL CONDITION or other specified condition shall not be made unless the conditions for the Limiting Condition for Operation are met without reliance on provisions contained in the ACTION requirements.

This provision shall not prevent passage through OPERATIONAL. CONDITIONS as required to comply with ACTION requirements.

Exceptions to these requirements are stated in the individual Specifications."

Technical Specification 6.2A states, " Detailed written procedures including applicable checkoff lists covering items listed below shall be prepared, approved, and adhered to:

Instrumentation operation which could have an effect on the safety of the facility and surveillance and testing requirements."

Contrary to the above, on March 4, 1984 the isolation valves for instruments IB21-N413 8 and D were left closed contrary to the requirements of surveillance procedure LIS-NB-ll5 with the result that a Unit 1 operational condition change was made with Division II Low Pressure Coolant Injection systems inoperable.

CORRECTIVE ACTION TAKEN AND RESULTS' ACHIEVED 1.

.A discussion was held between the Plant Superintendent and the lead workman on the job to' emphasize the importance of attention to detail, 2.

A verification of valve position for these valves and all additional valves covered by LIP-GM-35, LOP-NB-01 Attachment C, plus other selected valves was conducted with no'other valves found out of position.

CORRECTIVE ACTION TAKEN TO AVOID FURTHER NONCOMPLIANCE' l.

A review of_ all instrument surveillance procedures is being performed to ensure that they contain double verification when returning instruments to service.

t

~.- -

2.-

-2.

LIP-GM-35 has been revised to incorporate verification of additional instrument valve positions following a shutdown of 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or greater.

3.

A tailgate session was held with Instrument Maintenance Department personnel to review this event and to emphasize that the mass production approach to signoffs is unsatisfactory.

4.

LIS-NB-ll5 and LIS-NB-ll6 will be revised to include double verification when returning instruments to service.

DATE OF FULL COMPLIANCE The above corrective action will be complete by August 1, 1984.

9 i

i 8659N L

r c.

. 4r 3.c

._ 3 _

' ITEM' 0F NONCOMPLI ANCE 2.-

TechnicaliSpecification16.2A' states, " Detailed written procedures including applicable checkoff lists covering items

11sted below shall be prepared, approved, and adhered to

Preventive-and-corrective maintenance operations which could have an effect on the safety of the facility."

LaSalle Administrative Procedure LAP-240-6, " Temporary System Changes," requires that, in the absence of other formal

< controls,=all temporary system changes be strictly controlled including review and approval, documentation, verification of

. change,-and verification-of system restoration.

LContrary to the above, the detector signal and high voltage leads 1forLIntermediate Range' Monitor 8 were lifted in the absence of administrative controls, including those of LAP-240-6, withJthe result that a reactor startup was conducted with the subject. leads disconnected.

-CORRECTIVE' ACTION TAKEN AND RESULTS ACHIEVED 1.

'All SRM and IRM cables were~ verified installed on Unit One-and Unit Two.

2.

IRM B' cables'were reconnected and IRM B subsequently functioned properly.

CORRECTIVE ACTION-TAKEN TO AVOID FURTHER NONCOMPLIANCE l.-

LIP-GM-35 will be revised to add verification of proper IRM and :SRM cables connection prior to startup following a shutdown'of 72_ hours or greater.

2.

A meeting was held with the Instrument Department to re-emphasize the use of administrative controls.

-3..

Station -management :is currently evaluating the adequacy of

. administrative controls utilized by the Instrument Maintenance Department,1with special ' consideration for situations / conditions:which appear to increase the risk of i

a breakdown in control.

OATE - OF FULL COMPLI ANCE -

The above: corrective action will be complete by-July 1, 1984.

J

.8659N-

/

2

.