05000220/LER-1976-015, :on 760424,fish Impingement Found Increasing. Caused by Annual Migration

:on 760424,fish Impingement Found Increasing. Caused by Annual Migration

ML20090C326
Person / Time
Site:	Nine Mile Point
Issue date:	04/26/1976
From:	Hedrick M NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20090C325	List: 05000220/LER-1976-014, :on 760420,fish Impingement on Traveling Screens Found in Excess of ETS Limits of 20,000/24 H.Caused by Annual Migration 05000220/LER-1976-015, :on 760424,fish Impingement Found Increasing. Caused by Annual Migration 05000220/LER-1976-016, :on 760427,fish Impingement on Traveling Screens Found in Excess of ETS Limits of 20,000 Per 24 H.Caused by Annual Migration
References
LER-76-015, LER-76-15, NUDOCS 8302170474
Download: ML20090C326 (1)

LER-1976-015, on 760424,fish Impingement Found Increasing. Caused by Annual Migration

Event date:
Report date:
2201976015R00 - NRC Website

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O LICENSEE EVENT REkT s- ~.

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A E UCENSE NUMBER E

TYPE i NI Yl Nl Ml Pl 1l l

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l l4 l1 l1l1l1l l0l4l o1 7 89 14 15 25 28 30 31 32 CATEGORY yPE DOCKET NUMBER EVENT oATC REPORT DATE hCON'T l M l I l y

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7 8 57 58 59 60 61 69 69 74 75 00

EVENT DESCRIPTION

O9 l During routine surveillance of fish impingment by offsite contractor personnel on l

7 89 DO

$l 4/23/76 it was found that impingement numbers were increasing and trould exceed ETS

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7 89 gg

$l i i T,i t of 20,000/hr. period. This limit was exceeded on 4/24-25/76.(ETS-Sect. 3.1.2.a2p 7 89 80

@l 04/24/76 - 80,156't96% alewives) - 04/25/76 - 67,328 (97% alewives)

RO 76-15 l

7 89 hl 7 89 Pave 80 DE CODE COMPONENT CODE P

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VOLATON E I nl F l [FJ l Z l Z l Zl Zl Zl Zl lZJ lZl9l9l9l 7 89 10 11 12 17 43 44 47

<a CAUSE DESCRIPTION aa l There was no apparent cause for this occurrence related to changes in plant l

7 89 80 l

operation. The principle species impinged, alewives and smelt migrate inshore l

09 7 89 10 l for spawning annually at this tiac of year.

l FACLiry METHOD OF STATUS

% POWER OTHER STATUS DISCOVERf DISCOVERY DESCR:PTION

[ FJ l 0l 6l 9l l N/A l

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7 8 9

10 12 13 44 45 4S gg ACTi/ TTY COSTENT RELEASED OFRELEASEl AVOUNT OF ACTNITV LOCATION OF RELE SE W

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12 7 8 9

10 11 44 45 PERSONNEL EXPOSURES 80 NUME,ER TYPE DESCR;PTION l0l0l0l [2]

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7 89 11 12 13 80 PERS'ONNEL INJUR!ES NUMBER OESCRiPTION l0l0l0l l

N/A 14 l

7 89 11 12 80 Ch%StMc CONSEQUENCES Probabic 1

l NONE l

7 89 LOSS OR DAMAGE TO FACIUTY TYPE

DESCRIPTION

Wl N/A 1~

l 7 89 10 8302170474 760420 00 PUBUCITY PDR ADOCK ONOO220 17 l N/A S

PDR 7 0D 80 ADDITIONAL FACTORS 11 5 l Contractor personnel remained on site to monitor impingement until numbers fell g

7 89 80 below 20,000/24 hr. as per ETS.

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