ML19210A669
| ML19210A669 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 09/08/1977 |
| From: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Herbein J METROPOLITAN EDISON CO. |
| References | |
| NUDOCS 7910300699 | |
| Download: ML19210A669 (2) | |
Text
W ~[4 UNITEO STATES (p*g7dpl flL6C p
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t NUCLEAR R EGULATO RY COMMissl f3>..j aacion i e'
f 631 P ARK AVENUE KING OF PRUSSI A. PENNSYt.V ANI A 19406 0
Docket No. 50-289 Metropol! tan Edison Company ATTN: Mr. J. G. Herbein Vice President P. O. Box 542 Reading, Pennsylvania 19603 Gentlemen:
Subject:
Decay Heat Removal Pumps
References:
1.
Letter, B. H. Grier, to J. G. Herbein, September 1,1977, subject: Decay Heat Removal Pumps 2.
Letter, J. G. Herbein to R. W. Reid, September 6,1977, subject: Decay Heat Pump Shafts 3.
Letter, J. G. Herbein to R. W. Reid, September 8,1977, subject: Decay Heat Pump Shafts Reference 1 documented your agreement to examine and, based on the examination, replace or repair the Decay Heat Removal Pump shafts if appropriate unless a safety evaluation was provided which showed these actions to be unnecessary.
Reference 2 provided test data on pump vibration and ultrasonic tests obtained during the weEL2nd of September 3-5, 1977, and a safety evaluation wherein you ccricluded thJt the pumps are capable of performing their safety functions.
Reference 3 provides your commitment to perform additional testing, examinations, and evaluations to determine the cause of pump shaft failure which occurred at another facility, to increase the monitoring of your pump performanc.e, and to confirm the adequacy of the pump design for +.his application.
It also contained statements from your NSSS Vendor and the pump manufacturer concerning the suitability of these pumps for operation.
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Metropolitan Edison Company 2
SEP 8 1977 Based on tne information provided in References 2 and 3, the examinations described in Reference 1, which were to begin at 8:00 a.m., September 9, 1977, may be deferred.
The need for further examinations will depend upon findings from.the completion of commitments described in Reference 3.
Sincerely, cyc Grier Di ctor cc:
L. L. Lawyer, Manager, Generation Operations - Nuclear G. P. Miller, Superintendent J. P. O'Hanlon, Unit 1 Superintendent R. W. Heward, Project Manager, GPUSC Miss Mary V. Southard, Chairman, Citizens for a Safe Environment 1490 116
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