ML20059G161
| ML20059G161 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 09/06/1990 |
| From: | Taylor D COMMONWEALTH EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| RTR-NUREG-0737, RTR-NUREG-737 GL-89-06, GL-89-6, NUDOCS 9009120170 | |
| Download: ML20059G161 (2) | |
Text
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CommonweaQ Edison
(
_ ) 1400 Opus Place y
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Downers Cr:ve. Illinois 60515 v
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September 6, 1990 i
i 1
U.S. Nuclear Regulatory Commission i
l Attp: Document Control Desk Hashington, D.C.
20555 i
Subject:
Zion Station Units 1 and 2 i
Supplemental Response to Generic Letter 89-06 MC_DCLCiet No. 50-295/304 1
References:
(a) Generic Letter 89-06, Task Action Plan Item I.D.2 - Safety Parameter Display System, dated April 12, 1989.
(b)
M. Richter (CECO) letter Dr. T. Murley (NRC),
dated July 11, 1989.
(c)
M. Richter (CECO) letter to Dr. T. Murley (NRC) dated September 11, 1989.
(d)
C. Patel (NRC) letter to T.J. Kovach dated May 3, 1990.
Dear Str:
Reference (a) requested that Commonwealth Edison Company (CECO) certify that the Safety Parameter Display System (SPDS) presently satisfies, or will be modified to satisfy, the requirements of NUREG-0737.(Supplement 1),
taking into account the information provided in NUREG-l42, for Zion Station.
Reference (b), which provided Edison's initial response to Reference (a), indicated that the Safety Parameter Display System e-Zion Station had outstanding items which would have to be addressed to meet the requirements of NUREG-0737 (Supplement 1).
Reference (c) provided a schedule for addressing those outstanding items.
Reference (d) requested that CECO notify the staff in writing upon full implementation of SPDS for Zion Station.
The outstanding items identified for Zion Station were the incorporation of the Reactor Vessel Level Indication System (RVLIS) into the SPDS, and the strengthening of-the SPDS operator training program, The RVLIS has been incorporated on the SPDS display for each unit at Zion Station.
A validation and verification has been performed for this modification in addition to a human factors review.
i 9009120170 900906 PDR ADOCK 05000295
' [ 68,3 PDC N
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To strengthen the SPDS operator training at Zion Station, the use of-SPDS during simulator training has been incorporated into the initial training progrem to complement the existing classroom training. With regard to the retraining program, classroom instruction on SPDS has been incorporated into' the program in addition to use of the SPDS during simulator:retraint_ng' All-licensed personnel have received this enhanced SPDS instruction through the-retrat,.ing program.
1 This letter completes the reporting requirements for Reference-(')
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for Zion Station.
Pisase direct any questions that you may have regarding this response to this office.
Respectfully, j
D.L. Taylor- -
Generic Issues Administrator j
ZNLD/ID218 1
cc:
A.B. Davis Resident Inspector C. Patel-Project Manager-NRR l
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