ML19317F900

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RO-77-01:on 770214,nuclear Svc Raw Water Pump a Failed to Autostart When Diesel Started & Would Not Start Manually. Cause Undetermined.Reset Switch Was Actuated & Pump Started. Breaker Trip Flag Signal Absent
ML19317F900
Person / Time
Site: Rancho Seco
Issue date: 03/07/1977
From: Mattimoe J
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317F898 List:
References
NUDOCS 8002210625
Download: ML19317F900 (1)


Text

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UCENSEE EVENT REPORT h CONTROL 8 LUCK:l l

l l l l

l (PLEASE PRINT ALL REQUIRED INFORMATION)

.W 1

6 NA LCENSE NUMBER PE Y

lC l A lR l Sl Sl 1l l0 l0 l-l 0 l 0 l 0l 0l 0l-l0 l 0 l' l 4 l 1 l1 l 1l 1l l0l1l 7 89 14 15 25 26 30 31 32 CATEGORY Ty p E

OCCKET NUM8ER EVENT CATE REPORT DATE 1 COril Nl 1l Lgj

[n_j l 013101-101,13 l 2 l l 0l 2l1 l417171 l 013 1 01 717 17 L 7 8 57 58 59 60 81 88 69 74 75 80 EVENT DESCRPTION O

lOn February 14, 1977, the "A" Diesel Generator was started for a surveillance test.

l 7 89 80 gg lThe "A" NSRW pump which supplies cooling water to the diesel failed to auto-start, andl y

8 gg could not be started manually. The "B" NSRW pump was available throughout the 7 89 80 gg l occurrence.

(R0 77-1) l 7 89 80

$1 I

7 89 80 pm, Ecs NCE COMPONENT Coot VOLATON lu i e l Le_l IClxlTIBIalRI IAJ L'l0101si I NI o

7 89 10 11 12 17 43 44 47 48 f

CAUSE OESCRIPTION

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b O8 lThe reset switch was actuated on the pump breaker, which cleared it although the l

7 89 80 DE Ibreaker trip flag had noe signaled.

No cause could be determined for the aooarent

  • l 7 89 80 s

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ST Tu

% POWER QTHER STATUS DIS VE OfSCOVERY CESCRIPTON h

d l1l 0l 0l l NA l 1 l

NA l

7 8 9

10 12 13 44 45 48 80 RE SFO O ASE AMOUNT OF ACTMTV LOCATCN CF RELEASE

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@l Wl NA l

l NA l

7 8 9

10 11 44 45 80,

PERSONNEL EXPOSURES NUMSER TYPE DESCRIPTON 1

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[Zj l

NA l

7 89 11 12 13 80 PERSONNEL INJURES NUM0!R CEECR?PTON IM l0l0l0l l NA l

7 89 11 12 80 OFFSITE CONSEOUENCES i Minimal to none 15 7 89 80

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LOSS OR OAMAGE TO FAC1!TY TTPE DESCMTCN Ld i

NA I

7 89 10 80 PUCUCITY 17 l Notified local newspapers on 2/17/77 and 2/22/77.

l 7 89 80 g}lAODmONAL FACTORS

{

ITE P.odel 5HK, 4160 Volt Circuit Breaker, Serial No. 45966-Cl-1-6-4B l

\\_ _/ 9 80 Il9 l 8 0 02 210 (2f l

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R.W. Colonbo/7.T. Eisenhuth (916) 452-3211 g

GPO 889 6E7