ML19319E536: Difference between revisions
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{{#Wiki_filter:. . | {{#Wiki_filter:. . | ||
i | i | ||
!ICENSEE EVENT REPO" 4 | !ICENSEE EVENT REPO" 4 | ||
(% CONTROL BLOCK:l l l l l l l (PLEASE PRINT ALL REGulRED INFORMATION) | (% CONTROL BLOCK:l l l l l l l (PLEASE PRINT ALL REGulRED INFORMATION) | ||
! ) 1 8 | ! ) 1 8 | ||
' eau'E - | ' eau'E - | ||
ocENSE NuusER TE "'"e' TYP | ocENSE NuusER TE "'"e' TYP E l Al Rig la Inli l lolol-lololelolol-loloi 141/ I e iI Il I lol/I 7 89 14 15 25 26 30 31 32 . | ||
E l Al Rig la Inli l lolol-lololelolol-loloi 141/ I e iI Il I lol/I 7 89 14 15 25 26 30 31 32 | |||
CATEGORY T SO 00CKET NUMBER EVENT DATE REPORT DATE O 1 CONT l h I Ol 7 8 57 58 59 W60 l Ol 6la l-lol31/ lA l Il 12l2I91715l 61 68 69 74 lol/I/l'3l7IGl 75 80 EVENT DESCRIPTION . | CATEGORY T SO 00CKET NUMBER EVENT DATE REPORT DATE O 1 CONT l h I Ol 7 8 57 58 59 W60 l Ol 6la l-lol31/ lA l Il 12l2I91715l 61 68 69 74 lol/I/l'3l7IGl 75 80 EVENT DESCRIPTION . | ||
DE lb> rib' n ota sh. h un i Ac ym d e t. c ooI&n , e t e ,- w de m reacfor I 7 89 ' ' | DE lb> rib' n ota sh. h un i Ac ym d e t. c ooI&n , e t e ,- w de m reacfor I 7 89 ' ' | ||
Line 36: | Line 29: | ||
80 UE ! co A C, O nM D l c oo m . h a d u n d a n 4- tk o k Q (g ts n Vakue lea s e c t. r a b e . I 7 89 80 E ICowdiNow 3C '' | 80 UE ! co A C, O nM D l c oo m . h a d u n d a n 4- tk o k Q (g ts n Vakue lea s e c t. r a b e . I 7 89 80 E ICowdiNow 3C '' | ||
oa r e. ril l s had Q Meel | oa r e. ril l s had Q Meel | ||
% l yt t e. Lue Q.t es ( Otdober D. I~ | % l yt t e. Lue Q.t es ( Otdober D. I~ | ||
7 89 ' | 7 89 ' | ||
Line 43: | Line 35: | ||
11 12 17 43 44 47 48 CAUSE DESCRIPTION O l L v o. g 4 [0 a {r e rt e4 0 G alt.d 4had 7 89 G."tf* C. ta' 'b 'O \ v k 94kve oO@.cador ' | 11 12 17 43 44 47 48 CAUSE DESCRIPTION O l L v o. g 4 [0 a {r e rt e4 0 G alt.d 4had 7 89 G."tf* C. ta' 'b 'O \ v k 94kve oO@.cador ' | ||
uJa s I 80 | uJa s I 80 | ||
' l isola 4ed 89 na valve ua, kuu n,a | ' l isola 4ed 89 na valve ua, kuu n,a he' he n diat " | ||
t cco ra tor aocarenild 80 - | |||
he' he n diat " | |||
t cco ra tor aocarenild | |||
80 - | |||
lCailed b mako ornnor value I;not,o L k eime Oel RM skiddn.on. I STA US % POWER OTHER STATUS OSCOVERY DISCOVERY DESCRIPTON 1 | lCailed b mako ornnor value I;not,o L k eime Oel RM skiddn.on. I STA US % POWER OTHER STATUS OSCOVERY DISCOVERY DESCRIPTON 1 | ||
7 8 khJ 9 10 lololol I 12 13 NA I 44 | 7 8 khJ 9 10 lololol I 12 13 NA I 44 | ||
Line 58: | Line 46: | ||
45 LOCATON OF PELEASE uA I 80 g PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTON DE lololol Lal I NA I 7 89 11 12 13 80 i PERSONNEL INJURIES NUMBER OESCRIPTON | 45 LOCATON OF PELEASE uA I 80 g PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTON DE lololol Lal I NA I 7 89 11 12 13 80 i PERSONNEL INJURIES NUMBER OESCRIPTON | ||
,l | ,l | ||
. DE ~ lo lo l ol I NA l l 7 89 11 12 80 l OFFSITE CONSEQUENCES BB I NA I | . DE ~ lo lo l ol I NA l l 7 89 11 12 80 l OFFSITE CONSEQUENCES BB I NA I 7 89 I 80 LOSS OR OAMAGE TO FACit.lTY - | ||
7 89 I 80 LOSS OR OAMAGE TO FACit.lTY - | |||
TYPE CESCRIPTON D2 LFJ l NA I l | TYPE CESCRIPTON D2 LFJ l NA I l | ||
7 89 10 80 PUBUCITY 3l89 N A. ' | 7 89 10 80 PUBUCITY 3l89 N A. ' | ||
N A001TIONAL FACTORS I NA 800411' oho I 7 89 80 Xl I NAuE: Ib e.1 # kI;ll,$,u, - | N A001TIONAL FACTORS I NA 800411' oho I 7 89 80 Xl I NAuE: Ib e.1 # kI;ll,$,u, - | ||
PsONe;(sor)37/-4iq | PsONe;(sor)37/-4iq | ||
.u | .u | ||
\^ - | \^ - | ||
: 1. Abnormal Occurrence Report No. 50-313/75/11 | : 1. Abnormal Occurrence Report No. 50-313/75/11 | ||
Line 81: | Line 61: | ||
Reactor Building Isolation valve CV-2233, failed to close. , | Reactor Building Isolation valve CV-2233, failed to close. , | ||
: 6. Conditions Prior to Occurrence: | : 6. Conditions Prior to Occurrence: | ||
Steady-Stato Power Reactor Power 0 Mh'th ibt Standby Not Output 0 MNe Cold Shutdown X Percent of Fu'11 Power 0 g Refueling Shutdown _ Load Changes L1uring Routinc Power Operation j Routine Startup ~~ l Operation 1 Routinc Shutdown Operation - | |||
Steady-Stato Power Reactor Power 0 Mh'th ibt Standby Not Output 0 MNe Cold Shutdown X Percent of Fu'11 Power 0 g Refueling Shutdown _ Load Changes L1uring Routinc | |||
Power Operation j Routine Startup ~~ l | |||
Operation 1 Routinc Shutdown Operation - | |||
5 Other (specify) i, | 5 Other (specify) i, | ||
. l | . l 1 | ||
1 | |||
~ | ~ | ||
: 7. Description of Occurrence: | : 7. Description of Occurrence: | ||
At-1658 hours on December 29, 1975, the intermediate cooling water system | At-1658 hours on December 29, 1975, the intermediate cooling water system reactor. building isolation valve, CV-2233, would not close remotely from ,; | ||
the control room. An investigation was made and the air supply to the operator was found isolated and the valve held open by a handjack pre-venting it from closing. It appears this condition has existed since the week of October 26, 1975, when the. plant was shutdown for control rod repatch. | |||
reactor. building isolation valve, CV-2233, would not close remotely from ,; | |||
the control room. An investigation was made and the air supply to the | |||
operator was found isolated and the valve held open by a handjack pre-venting it from closing. It appears this condition has existed since the | |||
week of October 26, 1975, when the. plant was shutdown for control rod repatch | |||
( | ( | ||
. March 4, 1975 NSP-10,' Rev. 2 Page 2 of 4 a _ | . March 4, 1975 NSP-10,' Rev. 2 Page 2 of 4 a _ | ||
. 6 . | . 6 . | ||
' l | ' l l | ||
C l A6 normal Occurrence Report No.- 50-313/75-11 Y | |||
l | l | ||
, 8. Designation of Apparent Cause of Occurrence: | , 8. Designation of Apparent Cause of Occurrence: | ||
4 Design Procedure | |||
4 | ; Manufacture Unusual Service Condition Including Environmental | ||
Design Procedure | |||
; Manufacture Unusual Service Condition | |||
Including Environmental | |||
, Installation / | , Installation / | ||
* l Construction Component Failure. . | * l Construction Component Failure. . | ||
1 | 1 Operator X | ||
Operator X | |||
~ | ~ | ||
Other (specify) , | Other (specify) , | ||
The operaitor apparently failed to make proper valve line up verification per Standing Order No. 3 which requires the operator to insure air is available to,the operator and all manual overrides are removed. | The operaitor apparently failed to make proper valve line up verification per Standing Order No. 3 which requires the operator to insure air is available to,the operator and all manual overrides are removed. | ||
.~ | .~ | ||
: 9. . Analysis of Occurrence: , | : 9. . Analysis of Occurrence: , | ||
4 | 4 Since the redundant isolation valve was operable, this incident did not affect the health and safety of the public. | ||
Since the redundant isolation valve was operable, this incident did not affect the health and safety of the public. | |||
] | ] | ||
t i s: | t i s: | ||
~i | ~i | ||
~; | ~; | ||
1 , | 1 , | ||
i J | i J | ||
f | f | ||
;. | ;. | ||
; | ; | ||
:- March 4, 1975 NSP-10, Rev. 2 Page 3Of4 i | :- March 4, 1975 NSP-10, Rev. 2 Page 3Of4 i | ||
w a. - | w a. - | ||
^ | ^ | ||
*T'- ,- mp-,,-----& >,-m-- "- w w mas,-w+ - - .engem- y-- rg -ga,e n'-- +m -m-,q----vsv - | *T'- ,- mp-,,-----& >,-m-- "- w w mas,-w+ - - .engem- y-- rg -ga,e n'-- +m -m-,q----vsv - | ||
t-a | t-a | ||
....;.- ,_s ,; | ....;.- ,_s ,; | ||
. t Abnormal Occurrence Report No. 50-313/75-11 4 | |||
. t | |||
i | i | ||
: 10. Corrective Action: | : 10. Corrective Action: | ||
l 4 The correct valve alignment was made and all other remotely operated i safety related valves were checked and verified overable. This incident will be discussed with the operators to assure they'are all familist with l l | l 4 The correct valve alignment was made and all other remotely operated i safety related valves were checked and verified overable. This incident will be discussed with the operators to assure they'are all familist with l l | ||
how to"make a valve line up verification. | how to"make a valve line up verification. | ||
l . | l . | ||
;. | ;. | ||
i 4 | i 4 | ||
; | ; | ||
I, | I, i | ||
i | |||
.; | .; | ||
i j | i j | ||
: 11. Falliire Data: ! | : 11. Falliire Data: ! | ||
1 None | |||
1 | |||
None | |||
! e. | ! e. | ||
I 5 4 | I 5 4 | ||
! 6. | ! 6. | ||
~; | ~; | ||
i 4 | |||
i | |||
4 | |||
i-l l | i-l l | ||
. i l | . i l | ||
March ~4, 1975 NSP-10, Rev. 2 Page 4 e ea | March ~4, 1975 NSP-10, Rev. 2 Page 4 e ea | ||
. _ _ _ . . _ _ _ . . _ . - _ . . _ _ ___._..;...__, . _ . . _ - _ - . _ . . . . _ . _ _ _ . . . _ . . . , _ _ _ _ . . .._.._.:_ _.._. - , _. _, _ .. _ J}} | . _ _ _ . . _ _ _ . . _ . - _ . . _ _ ___._..;...__, . _ . . _ - _ - . _ . . . . _ . _ _ _ . . . _ . . . , _ _ _ _ . . .._.._.:_ _.._. - , _. _, _ .. _ J}} |
Revision as of 05:31, 1 February 2020
ML19319E536 | |
Person / Time | |
---|---|
Site: | Arkansas Nuclear |
Issue date: | 01/13/1976 |
From: | David Williams ARKANSAS POWER & LIGHT CO. |
To: | |
Shared Package | |
ML19319E529 | List: |
References | |
NUDOCS 8004110800 | |
Download: ML19319E536 (4) | |
Text
. .
i
!ICENSEE EVENT REPO" 4
(% CONTROL BLOCK:l l l l l l l (PLEASE PRINT ALL REGulRED INFORMATION)
! ) 1 8
' eau'E -
ocENSE NuusER TE "'"e' TYP E l Al Rig la Inli l lolol-lololelolol-loloi 141/ I e iI Il I lol/I 7 89 14 15 25 26 30 31 32 .
CATEGORY T SO 00CKET NUMBER EVENT DATE REPORT DATE O 1 CONT l h I Ol 7 8 57 58 59 W60 l Ol 6la l-lol31/ lA l Il 12l2I91715l 61 68 69 74 lol/I/l'3l7IGl 75 80 EVENT DESCRIPTION .
DE lb> rib' n ota sh. h un i Ac ym d e t. c ooI&n , e t e ,- w de m reacfor I 7 89 ' '
80 SE l b oitd 6 ' iscia L e va\ue CV-2233 t e o\d nel det o c a.m e hiv 'l 7 89 '
80 UE ! co A C, O nM D l c oo m . h a d u n d a n 4- tk o k Q (g ts n Vakue lea s e c t. r a b e . I 7 89 80 E ICowdiNow 3C
oa r e. ril l s had Q Meel
% l yt t e. Lue Q.t es ( Otdober D. I~
7 89 '
80 DE ll9 7 5. Tie o e o o (out simi\ar ecc.u c r e meet [6o-StM75-II) l 7 89 4 mg 80 E CODE COMPONENT CODE M R v10LATON HE l%Iel [.BJ
.7 89 10 19 l Al Livin le i LA.] I xl41419 I ldj '
11 12 17 43 44 47 48 CAUSE DESCRIPTION O l L v o. g 4 [0 a {r e rt e4 0 G alt.d 4had 7 89 G."tf* C. ta' 'b 'O \ v k 94kve oO@.cador '
uJa s I 80
' l isola 4ed 89 na valve ua, kuu n,a he' he n diat "
t cco ra tor aocarenild 80 -
lCailed b mako ornnor value I;not,o L k eime Oel RM skiddn.on. I STA US % POWER OTHER STATUS OSCOVERY DISCOVERY DESCRIPTON 1
7 8 khJ 9 10 lololol I 12 13 NA I 44
[d 45 46 i NA 80 l
ACTMTV CON' TENT RELEASE 0 0F RELEASE AMOUNT OF ACTMTV 5 8
7 8 L2.1 9
(2J 10 l
11 NA l 44 l
45 LOCATON OF PELEASE uA I 80 g PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTON DE lololol Lal I NA I 7 89 11 12 13 80 i PERSONNEL INJURIES NUMBER OESCRIPTON
,l
. DE ~ lo lo l ol I NA l l 7 89 11 12 80 l OFFSITE CONSEQUENCES BB I NA I 7 89 I 80 LOSS OR OAMAGE TO FACit.lTY -
TYPE CESCRIPTON D2 LFJ l NA I l
7 89 10 80 PUBUCITY 3l89 N A. '
N A001TIONAL FACTORS I NA 800411' oho I 7 89 80 Xl I NAuE: Ib e.1 # kI;ll,$,u, -
PsONe;(sor)37/-4iq
.u
\^ -
- 1. Abnormal Occurrence Report No. 50-313/75/11
~
- 2. Report Dato: 1/13/76 3. Occurrence Date: 12/29/75
- 5. Identification of Occurrenec:
Reactor Building Isolation valve CV-2233, failed to close. ,
- 6. Conditions Prior to Occurrence:
Steady-Stato Power Reactor Power 0 Mh'th ibt Standby Not Output 0 MNe Cold Shutdown X Percent of Fu'11 Power 0 g Refueling Shutdown _ Load Changes L1uring Routinc Power Operation j Routine Startup ~~ l Operation 1 Routinc Shutdown Operation -
5 Other (specify) i,
. l 1
~
- 7. Description of Occurrence:
At-1658 hours on December 29, 1975, the intermediate cooling water system reactor. building isolation valve, CV-2233, would not close remotely from ,;
the control room. An investigation was made and the air supply to the operator was found isolated and the valve held open by a handjack pre-venting it from closing. It appears this condition has existed since the week of October 26, 1975, when the. plant was shutdown for control rod repatch.
(
. March 4, 1975 NSP-10,' Rev. 2 Page 2 of 4 a _
. 6 .
' l l
C l A6 normal Occurrence Report No.- 50-313/75-11 Y
l
, 8. Designation of Apparent Cause of Occurrence:
4 Design Procedure
- Manufacture Unusual Service Condition Including Environmental
, Installation /
- l Construction Component Failure. .
1 Operator X
~
Other (specify) ,
The operaitor apparently failed to make proper valve line up verification per Standing Order No. 3 which requires the operator to insure air is available to,the operator and all manual overrides are removed.
.~
- 9. . Analysis of Occurrence: ,
4 Since the redundant isolation valve was operable, this incident did not affect the health and safety of the public.
]
t i s:
~i
~;
1 ,
i J
f
- .
- - March 4, 1975 NSP-10, Rev. 2 Page 3Of4 i
w a. -
^
- T'- ,- mp-,,-----& >,-m-- "- w w mas,-w+ - - .engem- y-- rg -ga,e n'-- +m -m-,q----vsv -
t-a
....;.- ,_s ,;
. t Abnormal Occurrence Report No. 50-313/75-11 4
i
- 10. Corrective Action:
l 4 The correct valve alignment was made and all other remotely operated i safety related valves were checked and verified overable. This incident will be discussed with the operators to assure they'are all familist with l l
how to"make a valve line up verification.
l .
- .
i 4
I, i
.;
i j
- 11. Falliire Data: !
1 None
! e.
I 5 4
! 6.
~;
i 4
i-l l
. i l
March ~4, 1975 NSP-10, Rev. 2 Page 4 e ea
. _ _ _ . . _ _ _ . . _ . - _ . . _ _ ___._..;...__, . _ . . _ - _ - . _ . . . . _ . _ _ _ . . . _ . . . , _ _ _ _ . . .._.._.:_ _.._. - , _. _, _ .. _ J