ML19319E001
| ML19319E001 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 11/04/1977 |
| From: | Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | |
| Shared Package | |
| ML19319D999 | List: |
| References | |
| NUDOCS 8003270713 | |
| Download: ML19319E001 (1) | |
Text
O UCENSEE EVENT REPORT m
CONTROL stOCx:l l
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1 6
D NM UCENSE NUMBE4 TYP TV W AlR lS lS l1l l 0 j 0 l-l 0l 0l0 l 0 l 0 l-l Ol 0l l4l1 l1l1l1l l0l1l O1 7 89 14 15 25 26 30 31 32 CATECoRY TYPE CoCKET NUMSER EVENT DATE REPORT CATE O 1 CON'T l M l Il lLl lL l l 015 l 0l-l 013 l1 l 2 l ji l0 l0 l4 l7 l7 l l1 l 012 l 7 l7 l7 l 7 8 57 58 59 60 61 68 69 74 75 60 EVENT DESCRPTION g l During pressurization of the Reactor Building for an ILRT, the NSCW Surge Tank levels l g 7 89 80 ;f EIE l began rising. It was determined that two Re'accor Building emergency coolers became l
7 89 80 g l partially airbound, losing their full cooling capability. Two 25% coolers and the l
7 89 80 O
l 100% Reactor Building Spray System were still available.
(R0 77-13)
-l 7 89 80 I _;
7 89 80 pseue E
00E CCMPONENT CCCE MANLF VOLATON O
lSlBl W lH l Tl ElX l C l H I l Zl lZ l9 l9 l9 l lN]
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j 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRioTION aff l The A cooler was leaking through a vent valve. The D cooler was leaking through an l,,.
7 82 60 0
l improperly tightened head gasket. All cooler vents were capped and gasket tightness l 9
80 :
l checked.
l ST
% POWER QTHER STATUS O CCVE CISCOVERY DESCRIPTON W
l0 l0 l 0 l l NA l
l Bl l
NA j
1 7 8 9
10 12 13 44 45 48 tJ ANS$o 0F E
AMOUNT OF ACTMTY LOCATCN OF AELEASE
]E lZl yl NA l
l NA l
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7 8 9
10 11 44 45 80 ~
PERSONNEL EXPOSURES NUMBER TYPE CESCRIPTON l0l 0l0l yl NA l
1 7 89 11 12 13 60 PERSONNEL INJURIES NUMBEA CESCAIPTCN
]E l 0l 0 l 0 l l NA l
7 89 11 12 30 OFFSITE CONSEQUENCES y
39 l Minimal to none.
l 7 89 60 LOSS CA OAMAGE TO FACtLITY TYPE DESCRIPTCN l
NA
[
t 7 89 10 80 PUBL! CITY 1
l Local newspapers notified 10/27/77.
l 7 89 eO ADCmONAL FACTORS l
l
'\\ j 8 9 80 gl 8003270 7/3
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R.W. Colombo /F.T. Eisenhuth (916) 452-3211 g
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