W3P83-1078, Informs That Description of C-E Owners Group Program & Schedule for Completion of plant-specific Activities Resolving NUREG-0737,Item II.K.3.5, Automatic Trip of Reactor Coolant Pumps, Will Be Provided by 830701
| ML20073B435 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 04/08/1983 |
| From: | Maurin L LOUISIANA POWER & LIGHT CO. |
| To: | Knighton G Office of Nuclear Reactor Regulation |
| References | |
| RTR-NUREG-0737, RTR-NUREG-737, TASK-2.K.3.05, TASK-TM 3-A1.01.04, GL-83-10A, Q-3-841, W3P83-1078, NUDOCS 8304120415 | |
| Download: ML20073B435 (2) | |
Text
e. O g
~
L o u i s i A m a
,4,oc m -ONc,c s, <<,
P O W E R & L 1 G H T! NEW OALEANS LOUISIANA m eO,eeo, 70174-8000 9 (504)360-2345 UTIUT!LS SYSTEM L.V. MAURIN April 8, 1993 vice President Nuclear Operations W3P83-1078 3-A1.01.04 Q-3-B41 Director of Nuclear Reactor Regulation Attention:
Mr. G. W. Knighton, Chief Licensing Branch Number 3 Division of Licensing U.S. Nuclear Regulatory Commission Washington, D.C.
20555
SUBJECT:
Waterford SES Unit 3 Docket No. 50-382 NUREG 0737, Item II.K.3.5
Reference:
NRC Generic Letter 83-10a, Resolution of TMI Action Plan Item II.K.3.5, " Automatic Trip of Reactor Coolant Pumps"
Dear Sir:
In accordance with guidance provided in the referenced NRC letter, the CE Owners Group has selected an operational strategy which will close out TMI Action Plan Item II.K.3.5, " Automatic Trip of Reactor Coolant Pumps" for participating utilities, including LP&L. Following a current review of several possible stra-tegies, we have chosen to trip two pumps initially followed by the trip of the remaining two pumps at the time a LOCA has been diagnosed. The " trip two, leave two" strategy, which has been discussed in the past as a preferred approach, remains the preference of CE, the CE Owners Group, and LP&L.
A program is being developed whose goal will be to provide information which both meets the NRC guidelines stated in the reference letter and provides the operational requirements for participating utilities to use in developing emer-gency operating procedures and conducting training. We expect that the selected operational strategy for the RCPs will make use of manual operator actions. The operational strategy currently in use at Waterford 3 is to trip all RCPs during the initial phase of a depressurization transient followed by pump restart when it is confirmed that the event is not a LOCA. This strategy will remain in effect until replaced by the new approach which will be implemented when supported by appropriate documentation and operator training.
00 8304120415 830408 PDR ADDCK 05000382 A
P gg 2 W3P83-1078 o
u LP&L is actively participating in the development of the CE Owners Group Program.
We believe the resolution of the RCP operational strategy issue to be of consi-derable importance in enhancing plant operational safety. The CE Owners Group expects to have its program for addressing this issue finalized in May, 1983.
-Based on this expectation, results should be available in the first quarter of next year. LP&L will provide a description of the CE Owners Group program and a schedule for completion of plant-specific activities by July 1, 1983. Plant-specific activities include factoring the results of the CE Owners Group program into the operator training and emergency operating procedures for Waterford 3.
Should you have any questions or comments in this matter please contact me or Mike Meisner at (504) 363-8938.
Yours very truly, j/)
n?duun L. V. Maurin LVM/MJM/ssd cc:
W. M. Stevenson, E. L. Blake, J. Wilson 9
~
t
-r 3