ML20085M466

AOs Bf EAO-7364W Through Bf EAO-7370W:on 731129-1205,fish Killed When Impinged on Intake Screens.Proposal to Change ETS to End Requirements for Daily Impingement Repts Sent to AEC Directorate of Licensing

ML20085M466
Person / Time
Site:	Browns Ferry
Issue date:	12/07/1973
From:	Gilleland J TENNESSEE VALLEY AUTHORITY
To:	Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
AO-BF-EAO-7364W, NUDOCS 8311080588
Download: ML20085M466 (3)

Text

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/ TENNESSEE VALLEY THOAITY CHATTANOOGA, T NESSEE b 37401 J UM 4g s R"Y'Y e " T ft, December 7, 1973 P^"""*'"

Mr. Norman C. Moseley, Director Region II Regulatory Operations Office U.S. Atomic Energy Commission 230 Peachtree Street, NW.

Atlanta, Georgic 30303

Dear Mr. Moceley:

Sub. ject: TENNESSEE VALLEY AUTHORITY - BROWNS FERRY NUCLEAR PIANT UNIT 1 - DOCKET NO. 50-259 - FACILITY OPERATING LICENSE DPR ENVIRONMENTAL ABNORMAL OCCURRENCE REPORT BF EAO-736hW THROUGH 7370W The purpose of thic report is to provide written notice of fish killed when impinged on the Browns Ferry Nuclear Plant unit 1 intake screens. This report is required by section h.l.2(f) of our environmental technical specifications, y :;

?. G These incidents were reported to the Region II Regulatory '$

Operations Office by telephone or telegram within a short time 'C.<Of.

after each occurrence. Each of these incidents occurred while 'Ef fy washing the circulating vater pump traveling screens at the y ,

pumping station and was similar to the occurrences which were */!p) reported for BF EAO-732W-7363W.

M.)j. S .

The numbers of fish reported for BF EAO-736h represent an accumulation of fish impinged over a period of 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or hh' longer. This was due to a mechanical malfunction which prevented .,

two of the traveling screens from moving. As a result of this malfunction, fish impinged on these two screens accumulated for the total time the screens were immobile.

The tabulation below gives the date of each occurrence and the estimates of fish impinged. ,

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Mr. Norman C. Moseley December 7, 1973 FISH IMPINCD!ENT ESTIMATES Other Item Date Shad Species Total BF EAO-7364 November 29 h,891 1,949 6,8h0 BF EAO-7365 November 30 2,000 200 2,200 BF EAO-7366 December 1 18,800 860 19,660 BF EAO-7367 December 2 9,020 704 9,724 BF EAO-7368 December 3 5,400 360 5,760 BF EAO-7369 December h 12,600 700 13,300 BF EAO-7370 December 5 11,300 1,612 12,912 A proposed change to the environmental technical specifications which would modify the specification and end the requirement for daily reports of fish impingement as well as provide for continuing reports on studies into this problem has been transmitted to the Directorate of Licensing.

Very truly yours, 7 l /

h , '-J. E. Cilleland, Assistant to the Manager of Power CC: Mr. Gerald R. Hooper District Fisheries Supervisor Alabama Game and Fish Commission Department of Conservation and Natural Resources P.O. Box 366 Decatur, Alabama 35601 Mr. J. F. O' Leary, Director Directorate of Licencing U.S. Atomic Energy Commission Washington, D.C. 20545 Mr. Sam L. Spencer, Chief Fisheries Section Alabama Game and Fish Commission Department of Conservation and Natural Resources 624 North Union Street Montgomery, Alabama 36104

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.' O O ICU DEC 131973 Letter from Tennessee Valley Authority, J. E. G111 eland, dated December 7, 1973 -

50-259 Telegram from Tennessee Valley Authority, H. J. Green, dated December 9, 1973 Mailgram from Tennessee Valley Authority, H. J. Green, dated December 9, 1973

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H. D. Thofnourg (2) g) yo:HQ (5)

DR Central Files Regulatory Standards (3)

Directorate of Licensing (13)

PDR Local PDR NSIC OIS, OR State 4

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