ML19319A982
| ML19319A982 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 04/16/1975 |
| From: | Thies A DUKE POWER CO. |
| To: | Anthony Giambusso Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8001020854 | |
| Download: ML19319A982 (3) | |
Text
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MM NON-FROM: Duke Power Co.
DATE OF DOC DATE REC'D, LTR TWX RPT OTHEfi Charlotte, N.0,
A.C. Thies 4-16-75 4-21-75 XXX TO:
ORIG CC OTHER SENT AEC POR N A. Giambusso, 1 Signed SENT LOCAL PDR CLASS UNCLASS PiiOP. INFO INPUT NO CYS REC'D DOCKET NO:
XXX 1
50-269/270/287
. DESCRIPTION:
ENCLOSURES:
Ltr. trans the following.r...
Abnorm. Occurr, on 4-10-75, concerhing
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fish impingement d a ta........,-
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'samion vice Poessoser Peoouction ano 7masosassosion.
(April'16,.1975~
- Mr. Angelo Giambusso, Director S Division of ' Reactor Licensing U.;S. Nuclear. Regulatory Commission
. Washington, D.,C.'
20555 Re: Ococse Nuclear Station-Docket Nos.' 50-269, -270,' -287
Dear Mr..Giambusso:
j' On April-10, 1975, six of the 24 condenser cooling water (CCW) intake screens at the'Oconee Nuclear Station were inspected.- A total of approximately 6,000 small fingerling fish, weighing 15.2 kilograms, had collected lon the screens. The fish, averaging 2.5 grams per fish, were removed from the screens and categorized, where possible, as to screen; location, type, size, degree of decomposition, and weight.
This,information is' tabulated in Enclosure 1.
It is concluded that the mortality.of.these 15.2 kilograms of fish had an insignificant effect'on fisheries resources in Lake Keowee.
-Very truly yours, F -
A. C.-Thies=
.ACT:vr
- Enclosure
' ec': llMrkH.J.-Logan l
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.S. C. Wildlife & Marine Resources Dept.
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. Summary of Fish Impingement Data' iPer Intake' Screen Oconee Nuclear Station April 10, 1975
~
Screen-.1A1 iTotal1 Fish Impinged - 2,825 Species Composition Size Groups Decomposition
- Weight Yellow Perch 375-2-4 en -
946 Class 1 - 0 Bluegill 27.
4-6'em - 1,502 class 2 -
286 6.6 kg Crappie-1:
6-8 cm -
371 Class 3 -
579
-Threadfin Shad -' 462 18410cm -
6
. Class 4 - 1,960
. Unidentifiable - 1,960 Screen!1A2 Total Fish Impinged
.2,122-s Species Composition Size Groups Decomposition
- Weight Yellow Perchi 407 2-4 cm --
538 Class 1 -
1
-Bluegill:
29 4-6 cm - 1,003 Class 2 -
383 5.6 kg Crappie-.
.351-8-10cm -
4 Class 4 - 1,333 2
6-8 cm -
575 Class 3 -
205 Threadfin-Shad -
Unidentifiable - 1,333 10-12cm -
2
- Screen 2Al-No Fish Impinged-
- Screen 2A2
'No. Fish Impingedc
~ Screen 3Al Total Fish Impinged'- 801 Species Cegg,o,sition Size Groups Decomposition
- Weight
. Yellow Perch. 2-4 cm - 250 Class 1 -
-2 17
'4-6 cm'- 420 Class 2 - 128 2.0 kg
. Bluegill
.Threadfin Shad' 1356-6-8 cm - 131 Class 266
'UnidentifiableL-'405-Class 4 - 405-4
- Screen 3A2 Total Fish Impinged - 388 Species Composition-Size Groups Decomposition
- Weight 1 Yellow Perchi - 12-4 cmi-111
' Class 1 -
4
' Bluegill....'
14 4-6 cm-- 201 Class 2 - 111 1.0 kg
-Threadfin Shad - 170-6-8 em - 75 Class 3 - 103 Unidentifiable - --170 -
10-12cm -
11
-Class 4 - 170
' tClass'l - No noticeable decomposition'
- Class'2 - Slightly decomposed.
Class-3 -; Badly: decomposed, identifiable
.ClassL4
.BadlyLdecomposed.. unidentifiable k
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