ML19308D277
| ML19308D277 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 07/01/1977 |
| From: | FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML19308D265 | List: |
| References | |
| NUDOCS 8002270723 | |
| Download: ML19308D277 (1) | |
Text
.
O ENVIImHHENTAI, LICENSEE EVEfff REPORT 77-60E
/N s_s l.
Facility :
Crystal River Unit #3 4
2.
Report Date:
1 July 1977 3.
Occurrence Date:
June 13-14, 1977 4.
Identifictition o f Occurrence:
A niomass 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 pumps operationa.
Unit #2 - One of four water circulation pumps non-operational (1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />).
" Unit #3 - All water circulation pumps operational.
6.
Description of Occurrence:
During the period 0900 June 13,1977 to 09'00 June 14,1977 84.08 kg of fish and shellfish were impinged on the intake 1
screens of Crystal River Units 1, 2 and 3.
Of the 84.08 kg impinged, Unit 3 accounted for 38.78 kg (46% of total). One commercially unimportant species, the batfish accounted for 75.57 kg (90% of total). Two commercially utilized species, the pink shrimp and the blue crab accounted for 5.67 kg (7%
of total).
Impingement of all other commercially utilized species was less than.1 kg during the period in question. The remaining biomass impinged was distributed a_.ng several specier of fish and shellfish.
7.
Designation of Apparent Cause of Occurrence:
The following unusual or periodic events were noted prior to or during the occurrence:
1.
One oil barge entered the intake canal at 1445' on 6/13/77 and left at 0825 on 6/14/77.
2.
A dredge performing canal maintenance entered the intake canal at 1550 on 6/13/77 and left at 2020 on 6/13/77.
These events may have been par'ially responsib1'e for the impingement obse rved.
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