ML19322C998
| ML19322C998 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 04/20/1978 |
| From: | Vassallo D Office of Nuclear Reactor Regulation |
| To: | Ross D Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML19322C999 | List: |
| References | |
| TASK-TF, TASK-TMR NUDOCS 8002070570 | |
| Download: ML19322C998 (1) | |
Text
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APR 2 0 378 Docket No. 50-320 MDORANDUM FOR:
D. P. Ross, Assista t Director for Reactor Safety, Division of System Safety PRON:
D. B. Vassallo, Assistant Director for Light Water Reactors. Division of Project Management
SUBJECT:
TMI-2 PARTIAL LOOP OPERATION h THI-2 *achnical spee4MeMans call out requirements for plant operation with two and three reactor coolant pumps. The operating '
11-does not pomit two-pump operation, but does allow three-pump operatica. nae ***= of an earlier mechanical failure in the anti-reverse rotation asehmaien on one pump, TMI-2 went critical with only three peups in operatica and is pH-: Wing into Mode 1 (Power Operatiod Mfore repairing the fourth pump.
Became di=~ei-with RSB on this matter confirm that there is r,
=fstr c.com in sour to - ith three -. so
. th.r. are areas of Justifying h=+iam drich are Lmiste. Metror.,11 tan Edison (with the ea=e=vrance of their vender Babcock 4 Wilco 6 has provided same -rgdag infor==tieur and ammaitammes in their letter armerch 29,1978 (eaciosed) and R$3 indleme+d they will soon prepare a.sequest for additional info
, response to which they expect will==tisfme+avily co g lets the doc e motation required.
Based on the above, we fatrad to make no changes in the operating license e
zwgarding partial loop operation at this tias.
If you have a problem with this approach, please let as know.
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origtnit! ped by D. B. Ymalle.
D. R.* Vaasallo,.A==4 emat Director for Light Water Isactors l' ' ;
-r; Biv4=ina of Project Maangement u
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