ML19308A522
| ML19308A522 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 07/20/1977 |
| From: | Ohanlon J METROPOLITAN EDISON CO. |
| To: | |
| References | |
| RO-77-20-4P, NUDOCS 7910250785 | |
| Download: ML19308A522 (1) | |
Text
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& rw -andss, METROPOLITAN EDISON COMPANY r.
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POST OFf"CE BOX 490 MIDDLC TOW N 5'E NNSYL.V ANI A 17057 TELEPHONE 717 984.4CW r
20 July 1977 W. Boyce Grier s
Diretterste of Degulatory Operations Region 1 )
Nuclear Pegulatory Comission E31 Park Avenue.
j MingofPrussia,PennsylYania 18406
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Deeratina License DDR-50 Decket 50-289
Subject:
Reportable Occurrence No. 77-20/4D
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Dea * "r. Grier:
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This teleorr9 is to confim the on-site verbal comunication between 5'r. Meliogg (Picion 1-NRC) and Fr. J. F. O'58anlon (TMi-1 Unit Superintendent) at "330, July 20, 1977.
At 1680, Jur.c 19.1977, violation of Environ 4 Mal Technical SNcification
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2.1.a(1) occurred in t!'at the plant river water discharge temerature exceeded the lir.it of 3"F below the inlet river water troerature. The incident lasted ten -inutes with the naxir=.r violation difference in tercerature reaching 3.20F
- T.
The ircident was the result of a stom front passino throuo'h the area causino wind velecities to rapidiv increase fron 5 to 35 noh and arbient air 98 'to 82 F in apbroximately'15 ninutes which had 0
0 t rreentures to decrease frta the overall eHect of increasino the Siver Water AT in the negative direction.
Further deta.ils centenino this incident shall be documnted in our written recort.
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Very truly yours, l
v
- d. e n *Fanlon t' nit 1 Superintendent Three Mile Island Nuclear Statien 3 0/011
$910260 } gg-
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