ML19308A514
| ML19308A514 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 07/19/1974 |
| From: | Herbein J METROPOLITAN EDISON CO. |
| To: | |
| References | |
| NUDOCS 7910250760 | |
| Download: ML19308A514 (2) | |
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METROPOLITAN EDISON COMPANY sussioraarorarrienat susticursteriescosronario i
T f;Lt'P HON r.717-S54.4cA1 3ST OFFICF.DOX 480 MIDDLETOWN. PENNSYLVANIA 17C07 July 19, 1974 D1~'D o
l tfr. J.P. O'Reilly, Director g
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D Directorate of P.egulatory
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Pcifen I u
630 Park Avenue l
King of Prussia, Pa. 19406 Operating License DPR-50 Docket 50-259
Subject:
Envirc.u ntal Incident Hof EI'74-Si:
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Dear Mr. O'Reilly:
This telegras is to confim the conversation bett.sn Lee Spssard (Region I-AEC),
and J.G !!crbein (T711-Suprintendant) at 1600 tiRS.17 July 1974'.
Violation of the Environ = ental Tcchnical Specificatica 2.1.a arrd 2.1.b (page 2 & 3) i in that tha Mahanical Draft Cooling Tower Discharga tsparature was greater than 3 F balcw the rivar water inlet tercerature and that during the peric-I frca 0
I 7/9/74 to 7/17/74 certain temerature conitoring devices, required by the Envirereantal Technical Specifications, were out of service.
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On 7/17/74 an environ 2 ental consulting fir.s, which was performing a Therral Plt =o Study in th2 river adjacent to the Kechanical Draft Cooling Tever (i007) i Discharga, reported that they had detected the following abnorm 1 differential teeperature readings:
Data Differential Temerature (River Tc:perature - Discharge Tc@eratum.)
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7/11/74 9.40F Ai l
i 7/15/74 4,70F~ AT I
7/17/74 10.20F AT t
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An iceediate it.vestigatton by the Plent Operations Revia Cemittee reveiled that the nor::al mthod of unitoring the differential ten:rature (Control Roce Indicator) and the alt:rnate cethod of tenitoring differential tcsperature I
(Local indicator. 6t the PG) were t-sth out of service.
Te:r-arary irrdicators have bcen instailcd to provide the necessary information required for t.cnitoring the differential temeratura until the norr.al and alterr,ste instru;:entation can be returned service.
Ver-trply vm:ts, f
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.8 Herbein Stu.fon Superintendent 1 Nuclear Star n l
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