ML20033B353
| ML20033B353 | |
| Person / Time | |
|---|---|
| Site: | La Crosse File:Dairyland Power Cooperative icon.png |
| Issue date: | 11/18/1981 |
| From: | Linder F DAIRYLAND POWER COOPERATIVE |
| To: | Crutchfield D Office of Nuclear Reactor Regulation |
| References | |
| RTR-NUREG-0737, RTR-NUREG-737, TASK-2.F.1, TASK-TM NUDOCS 8112010312 | |
| Download: ML20033B353 (2) | |
Text
.
A D
DA/RYLAND h
k COOPERAT/VE
- PO BOX 317 2615 EAST AV SOUTH
- LA CROSSE WISCONSIN $4601 (608) 788-4000 November 18, 1981 In reply, please refer to LAC-7930 DOCKET
-409
%g Director of Nuclear Reactor Regulation ATTN:
Mr. Dennis M.
Crutchfield, Chief g
j NOVs 0 IS8;a Operating Reactors Branch No. 5 Division of Operating Reactors U.
S. Nuclear Regulatory Commission ft,k ammaamm
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Washington, D.
C.
20555
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SUBJECT:
DAIRYLAND POWER COOPERATIVE ss LA CROSSE BOILING WATER REACTOR (LACBWR)
PROVISION 7L OPERATING LICENSE NO. DPR-45 NUREG-0737, SOATUS OF ITEMS II.F.1.1 AND II.F.
1.2 REFERENCES
(1)
NRC Letter, Crutchfield to Linder, dated October 20, 1981.
(2)
DPC Letter, Linder to Eisenhut, LAC-7876, dated October 26, 1981.
Gentlemen:
Your letter (Reference 1) requested that we notify you of any technical deviations or the need for postponement of implementa-tion dates for the subject items..
In order to meet the requirements of Item II.F.1, Attachment 1, Noble Gas Effluent Monitor, of NUREG-0737, we installed an Eberline Instrument Corporation SPING-4 a'.r monitor with a CT-2 microprocessor to continuously isokinetically sample the LACBWR stack effluent gasses.
This equipment was installed and placed
'nto service on January 14, 1981.
Eberline Instrument Corporation certified that the SPING-4 meets all requirements, purposes and designed basis maximum ranges as outlined in Table II.F.1-1 of NUREG-0737.
However, since the SPING-4/CT-2 installation on January 14,1981, we have experienced numberous and repetitive short term SPING-4/CT-2 operational failures, the most major of which, have been repeated total loss of memory in the microprocessor, and communications failures to and from the SPING-4 and CT-2 units.
Eberline has been attempting to correct these operational problems, but have not eliminated communication failures at this time.
The maximum duration of a single failure has been approximately four days.
The average failure or downtime has been approximately 2 312 9
I 81120PDR ADOCK 0 000PDR ft 8 l
l P
o Mr. Dennis M.
Crutchfield November 18, 1981 U.
S. Nuclear Regulatory Commission LAC-7930 hours.
The capability to assess operational noble gas activity releases other than accident conditions during these periods was maintained by the installed Tracerlab stack effluent gas monitor which has an effective measurement range of 1 X 10-2 pCi/cc.
At this time it appears as though the operational problems associated with the SPING equipment can be remedied to the extent that compliance with proposed Technical Specifications can be achieved by January 1, 1982.
Our request (Reference 2) for an extension of the implementation of Item II.F.1.2 (effluent monitorin?) requests that the current implementation date of January 1, 1982 be extended to our Spring-1982 refueling outage.
We will submit Technical Specifications for Items II.F.1.1 and II.F.1.2 by January 1, 1982 requesting effective Technical Specification implementation dates consistent with our request for an extension (Reference 2).
If there are any questions regarding this letter, please let us know.
Very truly yours, DAIRYLAND POWER COOPERATIVE
,b'6dC6W//' hlv dy' Frank Linder, General Manager
?L:JDP:af cc:
J.
G. Keppler, NRC-DRO Region III NRC Resident Inspector