ML19308A532
| ML19308A532 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 08/27/1975 |
| From: | Colitz J METROPOLITAN EDISON CO. |
| To: | |
| References | |
| NUDOCS 7910260523 | |
| Download: ML19308A532 (2) | |
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METRO?OLtTi.: ED1SC
- CC:.1PANY cu=:cuayoracnewrusucununesconeounwe
. JST OFFICE BOX 4SO MIDDLE 7CWN. PENNSYLVANIA 17057 TELEPHONE 717-944-4041
- August.27,1975
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tir. J. P. C'.".2111y, Cirector Directorate of Regulatory Cperations
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.c Cucicer Re cictory Cc=tission C
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631 Park Ave-:a King.of Prussia, Pa. 19406
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Operating License DPR-50:
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.' Docket :50-289 7
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Subject:
Em f roamental Incident tb. '.EI :.75-08
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. Cear Mr. O'Reilly:
This telegran is to confirm the telecon-between Bert Davis (Region 1-fGC) and J. J. Colitz (Unit 1 Superintencent.' Thme Mile Island. Nuclear Station)
' at 1690 hours0.0196 days <br />0.469 hours <br />0.00279 weeks <br />6.43045e-4 months <br />, 27 Au2ust 1975. -
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Violation of the Environ:nental Technical Specification 2.1.a.(1) in that 0
the Plant River Water Discharge tc perature exceeded the limit of 3 F beloor inlet temperature on.26 f.ugust.1975... _ -
Review of the control roon AT recorder. chart indicated.that at ~.2100 on
, 26 August'1975 the river water effluent terrperature dropped to 3.4CF lower than the river water inlet tc-greture.-
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. The river water a :bfent temrature twas '87' 3 F at the time and the 0
operator was raintaining the AT at.accrcxicately -2.4 F.
Assignificant cold front a :d associated thunderstor.n coved throuch t%. area:during this period and thoja::Sient air.tc:=erature changed frain 885to 76"in 30 minutes, causing the AT to drop sharply to -3.40F.
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EI-75 Mr. J. P. r ailiy
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The opera : re:Mnded i-ediately by securf-- c..e of the cooling tower
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fans to rertera the AT wi:.in allowable li:.i:: in =15 minutes..
Due to the c~rc: tic charme in c=51ent te perete. es and the ' inability to anticipate i - fcst or he:t cuch change will ecet when such a cold front c: oves thrc-i the ' area. it is felt that this J.co of occurrence cannet invariably De 7: ever.ted.
7 lVerytrulyyours.
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Three Hile Island Kuclear Station,.
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