ML19308D193

RO 77-50E:on 770505-06,fish Impingement on Intake Screens Exceeded Tech Specs Limits.Caused by Oil Barge & Strong Tides in Canal

ML19308D193
Person / Time
Site:	Crystal River
Issue date:	06/08/1977
From:	FLORIDA POWER CORP.
To:
Shared Package
ML19308D190	List: ML19308D189 ML19308D193
References
NUDOCS 8002270659
Download: ML19308D193 (1)

Text

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E!"*!R05 MENTAL LICENSEE EVIST REPORT (#77-50E)

1. Faciliev: Crystal River Unic #3

2. Reoort Date: June 8, 1977

3. Occurrence Date: May 5-6, 1977 .

4. Identification of Occurrence:

Sio= ass of fish and shellfish impinged on the intake screens of Units 1, 2 and 3 exceeded the 50 kg/24hr reporting level of section 3.1.3 of the Environmental Technical Specifications.

5. Conditions Prior to Occurrence:

Unit #1 - All water circulation pu=ps operational.

Unit #2 - All water circulation pu=ps non-optional (Unit 2 .

down. =aintenance).

Unic #3 - All water circulation,pu=ps operational.

ps 6. Descriotion of Occurrence:

s_s During the period 0900 May 5, 1977 to 0900 May 6, 1977 54.18 kg of fish and shellfish were i= pinged on the in-take screens of Crystal River Units 1, 2 and 3. Of the 54.18 kg impinged, Unit 3 accounted for 51.01 kg (94% of total). One co==ercially unimportant species, the bat-fish accounced for 5.21 kg (10% of total). Two c6mmercial-ly utilized species, the pink shrimp and the blue crab ac-counted for 45.25 kg (84% of total). Impingement of all other coc=ercially utili:ed species was less than 1 kg during the period in question. The remaining biomass i= pinged was distributed among several species of fish and shellfish, i

7. Designation of Anoarent Cause of Occurrence: l l

The following unusual or periodic events were noted prior l co or during the occurrence: i A. One oil barge left canal at 1500 May 5,1977.

3. Very strong tides during survey. l 4

1 i \

J These events may have been partially responsible for the  ;

impingement observed.

80022roggy

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