ML19320A168: Difference between revisions
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: 1. Reportabic occurrence Report No.'50-313/76-15 | : 1. Reportabic occurrence Report No.'50-313/76-15 | ||
: 2. Report Date: 8/3/76 3. Occurrence Date_: 7/7/76 | : 2. Report Date: 8/3/76 3. Occurrence Date_: 7/7/76 | ||
: 4. Facility: Arkansas Nuclear One-Unit 1 | : 4. Facility: Arkansas Nuclear One-Unit 1 | ||
; Russellville, Arkansas | ; Russellville, Arkansas S. Identification of Occurrence: | ||
S. Identification of Occurrence: | |||
A cracked weld in the Resin Sluice line. | A cracked weld in the Resin Sluice line. | ||
~ | ~ | ||
' 6. | ' 6. | ||
Conditions Prior to Occurrence: | Conditions Prior to Occurrence: | ||
Steady-State Power X Reactor Power 2414 MWth llot Standby Not Output 778 MWe i | Steady-State Power X Reactor Power 2414 MWth llot Standby Not Output 778 MWe i | ||
Cold Shutdown Percent of Full Power 94 'a e | Cold Shutdown Percent of Full Power 94 'a e | ||
Refueling Shutdown Load Changes During Routinc Power Operation i Routine Startup - | Refueling Shutdown Load Changes During Routinc Power Operation i Routine Startup - | ||
: i. Operation | : i. Operation Routine Shutdown Operation j | ||
i Other (s'pecify) i | |||
Routine Shutdown Operation | |||
j | |||
i Other (s'pecify) | |||
i | |||
: 7. Description of Occurrence: . | : 7. Description of Occurrence: . | ||
A leak was discovered at 0830 hrs. on 7/7/76 in the heat effected | A leak was discovered at 0830 hrs. on 7/7/76 in the heat effected | ||
:one of valve CZ-65 (Resin Sluice Water to Spent- Resin Storage Tank) . . | :one of valve CZ-65 (Resin Sluice Water to Spent- Resin Storage Tank) . . | ||
The crack was approximately two inches long around the upstream weld j of CZ-65. , | The crack was approximately two inches long around the upstream weld j of CZ-65. , | ||
i | i (t . | ||
(t . | |||
Attachuent "C" | Attachuent "C" | ||
' !! arch 23,1976 NSP-10, Rev. 4 - Page 2 of 4 8004210fpO | ' !! arch 23,1976 NSP-10, Rev. 4 - Page 2 of 4 8004210fpO | ||
*g', | *g', | ||
- Reportablu Occurrence !!cport No. 50-313/76-15 6 | - Reportablu Occurrence !!cport No. 50-313/76-15 6 | ||
: 8. Designation of Apparent Cause ol]k currence: | : 8. Designation of Apparent Cause ol]k currence: | ||
g Design l'rocedure | g Design l'rocedure Flanufacture Unusunt' Service Condition Including Environmental Installation / 'X Construction Component Failure | ||
* 4 Operator Other (specify) i i . | |||
Flanufacture Unusunt' Service Condition | |||
Including Environmental Installation / 'X Construction Component Failure | |||
* 4 Operator | |||
Other (specify) i i . | |||
1 i | 1 i | ||
i i | i i | ||
: i | : i | ||
? | ? | ||
Line 108: | Line 57: | ||
l | l | ||
- 1 V 9. Analysis of Occurrenec: | - 1 V 9. Analysis of Occurrenec: | ||
i | i Due to location, all leakage was confined to the Reactor Auxiliary building and therefore presents no danger to the health and safety of the public. - | ||
Due to location, all leakage was confined to the Reactor Auxiliary building and therefore presents no danger to the health and safety of the public. - | |||
s i | s i | ||
i- | i-i .. | ||
: j. - | : j. - | ||
1 - | 1 - | ||
4 4 . | 4 4 . | ||
4 | 4 | ||
) | ) | ||
Line 131: | Line 69: | ||
.\ttachment "C" bbrch 23, l'J76 NSI'- 10, Itev. 1 l'a ge 3of4 i: | .\ttachment "C" bbrch 23, l'J76 NSI'- 10, Itev. 1 l'a ge 3of4 i: | ||
i | i | ||
l,' , .. ., -c 4 5; .. | |||
i Reportable Occurrence Report ilo. 50-313/76-15 1 | |||
l,' , .. ., -c | |||
4 5; .. | |||
i | |||
Reportable Occurrence Report ilo. 50-313/76-15 1 | |||
l | l | ||
: 10. Corrective Action: 1 | : 10. Corrective Action: 1 The defective weld was removed by cutting out the piping and replacing | ||
The defective weld was removed by cutting out the piping and replacing | |||
; | ; | ||
i | i with a 3'-0" section of Schedule.10 piping. ' | ||
with a 3'-0" section of Schedule.10 piping. ' | |||
i t | i t | ||
i' J | |||
i' | |||
J | |||
l I | l I | ||
I i | I i | ||
j- | j-i | ||
i | |||
; 11. Failurc Data: | ; 11. Failurc Data: | ||
None, i | None, i | ||
i | i | ||
} - | } - | ||
] | ] | ||
3 | 3 i s i | ||
i s i | |||
8, i | 8, i | ||
l | l d. | ||
d. | |||
--l , | --l , | ||
E 4 | E 4 | ||
J | J i | ||
i | |||
J | J | ||
; | ; | ||
j. | j. | ||
At tachinent "C" j March 23, 1976 NSP-10,.Hov. 4 Page . of . | At tachinent "C" j March 23, 1976 NSP-10,.Hov. 4 Page . of . | ||
1 1 | 1 1 | ||
1. | 1 1. | ||
1 i ' | 1 i ' | ||
, . - - , ,.-- an-,, ,.r- ,..,r-ln, n n ..-- -a.--,. - - , - , , -- , ._,. .- - - - - - ,-- -., _.. - . - . . . . _ - - - . n.-...~n , | , . - - , ,.-- an-,, ,.r- ,..,r-ln, n n ..-- -a.--,. - - , - , , -- , ._,. .- - - - - - ,-- -., _.. - . - . . . . _ - - - . n.-...~n , | ||
1 | 1 | ||
' ~ | ' ~ | ||
-~ | -~ | ||
UCENSEE EVENT REPORT CONTTEL BLOCK:l l 'l l l l l [ptaAss pettNT ALL REGuillED INFOftMATION) | |||
UCENSEE EVENT REPORT | ( 1 e U) T uCENsE NuM,,ER "J#' W,"E t | ||
CONTTEL BLOCK:l l 'l l l l l [ptaAss pettNT ALL REGuillED INFOftMATION) | |||
( 1 e U) T uCENsE NuM,,ER "J#' W,"E | |||
t | |||
O 14lEl#1Rlel/I lolol-lololcicicl-lclol lel/I/I/I/l Icls!32 ' | O 14lEl#1Rlel/I lolol-lololcicicl-lclol lel/I/I/I/l Icls!32 ' | ||
7 89 14 15 25 28 30 31 CATEGORY YPE SC DOCKET NUMBER EVENT DATE REPORT CATE O CONT l l l (g_) {L] l6l 5l Ol-l Cl3 l / l3 l lCl7lCl7l7l6l lCl ?lC l 3l 7l6 l 7 8 57 58 59 80 81 88 89 74 75 80 EVENT DESCRIPTION BB l%vn m e- m ,s- wwer own-rror (9+ 7s rP) H-r C83e wares e x 7~u 7.197d l l 7 89 - ' | 7 89 14 15 25 28 30 31 CATEGORY YPE SC DOCKET NUMBER EVENT DATE REPORT CATE O CONT l l l (g_) {L] l6l 5l Ol-l Cl3 l / l3 l lCl7lCl7l7l6l lCl ?lC l 3l 7l6 l 7 8 57 58 59 80 81 88 89 74 75 80 EVENT DESCRIPTION BB l%vn m e- m ,s- wwer own-rror (9+ 7s rP) H-r C83e wares e x 7~u 7.197d l l 7 89 - ' | ||
'80 ' | '80 ' | ||
BE l9 z.ew we 31sco veresa iv rm o e w re m vr e vsLve C2 -/ 5 (E=sni l 7 89 80 ' | BE l9 z.ew we 31sco veresa iv rm o e w re m vr e vsLve C2 -/ 5 (E=sni l 7 89 80 ' | ||
& l%ree !Am ,, S w h ie 5 % e A x % ). T e c ra c x m- p n exixa v u | & l%ree !Am ,, S w h ie 5 % e A x % ). T e c ra c x m- p n exixa v u l l 7 89 80 BE l na rucaes tem a rr~u e r r se upsrem r ez n nr c2 -t r 7 89 Yr- a w?rr 80 l | ||
l l 7 89 80 BE l na rucaes tem a rr~u e r r se upsrem r ez n nr c2 -t r 7 89 Yr- a w?rr 80 l | |||
~ | ~ | ||
BG l occurg_nace- 7 % - w ac m e e. sci.2 ,a renActs ( ro - 3/3 /74- is ) l 7 89 m 80 CooE DE COMPONENT CODE VIOLATION HE IMI di Lg] I FI / I rial xi xi 12] 12IaIaIal I.SJ 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION | BG l occurg_nace- 7 % - w ac m e e. sci.2 ,a renActs ( ro - 3/3 /74- is ) l 7 89 m 80 CooE DE COMPONENT CODE VIOLATION HE IMI di Lg] I FI / I rial xi xi 12] 12IaIaIal I.SJ 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION | ||
Line 245: | Line 116: | ||
u=c n r e s - '''V maxnc-v --~ ,ar a=Az~u An3 sp r2'T"Y c' =~ --w~~ l 7 89 80 | u=c n r e s - '''V maxnc-v --~ ,ar a=Az~u An3 sp r2'T"Y c' =~ --w~~ l 7 89 80 | ||
$$ I PrfML/c. YW ~DcrG"C ~ri Vf a CLD Wdf Remna re=3 pov3 TGP L.AC 2"D fu / #d A f 7 89 80 hl-r9Jtef~ /~C 0~7" rL=C~r~ red o f" c M&Datt.e~- le PIP /x6 . l (L, sACUTY METHOD OF STATUS % POWER OTHER STATUS OtSCOVERY DISCOVERY DESCRipfl0N i | $$ I PrfML/c. YW ~DcrG"C ~ri Vf a CLD Wdf Remna re=3 pov3 TGP L.AC 2"D fu / #d A f 7 89 80 hl-r9Jtef~ /~C 0~7" rL=C~r~ red o f" c M&Datt.e~- le PIP /x6 . l (L, sACUTY METHOD OF STATUS % POWER OTHER STATUS OtSCOVERY DISCOVERY DESCRipfl0N i | ||
(_El Icl9lfl I m1 I LB_j l N4 I 7 8 9 10 12 13 - 44 45 48 80 RELEAS O O SE AMOUNT OF ACTMTV LOCATION OF RELEASE | (_El Icl9lfl I m1 I LB_j l N4 I 7 8 9 10 12 13 - 44 45 48 80 RELEAS O O SE AMOUNT OF ACTMTV LOCATION OF RELEASE 7 8 9 (2]. [2] | ||
7 8 9 (2]. [2] | |||
10 I se I l v4 1 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Igj L ' | 10 I se I l v4 1 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Igj L ' | ||
n leiclol v4 i 7 89 11 12 13 80 PERSONNEL INJURIES ' | n leiclol v4 i 7 89 11 12 13 80 PERSONNEL INJURIES ' | ||
Line 253: | Line 122: | ||
O M Iol clo I I N4 th in n . ; | O M Iol clo I I N4 th in n . ; | ||
I 7 89 11 12 ~ '' " | I 7 89 11 12 ~ '' " | ||
80 | 80 OFFSITE CONSEQUENCES | ||
OFFSITE CONSEQUENCES | |||
: $ , {l l' | : $ , {l l' | ||
Q@ l /1/4 i., ' '[i ll . | Q@ l /1/4 i., ' '[i ll . | ||
7 89 - | 7 89 - |
Revision as of 05:19, 1 February 2020
ML19320A168 | |
Person / Time | |
---|---|
Site: | Arkansas Nuclear |
Issue date: | 08/03/1976 |
From: | Mardis D ARKANSAS POWER & LIGHT CO. |
To: | |
Shared Package | |
ML19320A166 | List: |
References | |
NUDOCS 8004210470 | |
Download: ML19320A168 (4) | |
Text
...
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'. ,., r,
~. .
)
NJ
~
- 1. Reportabic occurrence Report No.'50-313/76-15
- 2. Report Date: 8/3/76 3. Occurrence Date_: 7/7/76
- 4. Facility: Arkansas Nuclear One-Unit 1
- Russellville, Arkansas S. Identification of Occurrence
A cracked weld in the Resin Sluice line.
~
' 6.
Conditions Prior to Occurrence:
Steady-State Power X Reactor Power 2414 MWth llot Standby Not Output 778 MWe i
Cold Shutdown Percent of Full Power 94 'a e
Refueling Shutdown Load Changes During Routinc Power Operation i Routine Startup -
- i. Operation Routine Shutdown Operation j
i Other (s'pecify) i
- 7. Description of Occurrence: .
A leak was discovered at 0830 hrs. on 7/7/76 in the heat effected
- one of valve CZ-65 (Resin Sluice Water to Spent- Resin Storage Tank) . .
The crack was approximately two inches long around the upstream weld j of CZ-65. ,
i (t .
Attachuent "C"
' !! arch 23,1976 NSP-10, Rev. 4 - Page 2 of 4 8004210fpO
- g',
- Reportablu Occurrence !!cport No. 50-313/76-15 6
- 8. Designation of Apparent Cause ol]k currence:
g Design l'rocedure Flanufacture Unusunt' Service Condition Including Environmental Installation / 'X Construction Component Failure
- 4 Operator Other (specify) i i .
1 i
i i
- i
?
i i j I l I
l
- 1 V 9. Analysis of Occurrenec:
i Due to location, all leakage was confined to the Reactor Auxiliary building and therefore presents no danger to the health and safety of the public. -
s i
i-i ..
- j. -
1 -
4 4 .
4
)
e i ..
l -(j -
.\ttachment "C" bbrch 23, l'J76 NSI'- 10, Itev. 1 l'a ge 3of4 i:
i
l,' , .. ., -c 4 5; ..
i Reportable Occurrence Report ilo. 50-313/76-15 1
l
- 10. Corrective Action: 1 The defective weld was removed by cutting out the piping and replacing
i with a 3'-0" section of Schedule.10 piping. '
i t
i' J
l I
I i
j-i
- 11. Failurc Data
None, i
i
} -
]
3 i s i
8, i
l d.
--l ,
E 4
J i
J
j.
At tachinent "C" j March 23, 1976 NSP-10,.Hov. 4 Page . of .
1 1
1 1.
1 i '
, . - - , ,.-- an-,, ,.r- ,..,r-ln, n n ..-- -a.--,. - - , - , , -- , ._,. .- - - - - - ,-- -., _.. - . - . . . . _ - - - . n.-...~n ,
1
' ~
-~
UCENSEE EVENT REPORT CONTTEL BLOCK:l l 'l l l l l [ptaAss pettNT ALL REGuillED INFOftMATION)
( 1 e U) T uCENsE NuM,,ER "J#' W,"E t
O 14lEl#1Rlel/I lolol-lololcicicl-lclol lel/I/I/I/l Icls!32 '
7 89 14 15 25 28 30 31 CATEGORY YPE SC DOCKET NUMBER EVENT DATE REPORT CATE O CONT l l l (g_) {L] l6l 5l Ol-l Cl3 l / l3 l lCl7lCl7l7l6l lCl ?lC l 3l 7l6 l 7 8 57 58 59 80 81 88 89 74 75 80 EVENT DESCRIPTION BB l%vn m e- m ,s- wwer own-rror (9+ 7s rP) H-r C83e wares e x 7~u 7.197d l l 7 89 - '
'80 '
BE l9 z.ew we 31sco veresa iv rm o e w re m vr e vsLve C2 -/ 5 (E=sni l 7 89 80 '
& l%ree !Am ,, S w h ie 5 % e A x % ). T e c ra c x m- p n exixa v u l l 7 89 80 BE l na rucaes tem a rr~u e r r se upsrem r ez n nr c2 -t r 7 89 Yr- a w?rr 80 l
~
BG l occurg_nace- 7 % - w ac m e e. sci.2 ,a renActs ( ro - 3/3 /74- is ) l 7 89 m 80 CooE DE COMPONENT CODE VIOLATION HE IMI di Lg] I FI / I rial xi xi 12] 12IaIaIal I.SJ 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION
$E I Tr *w"pc 2 s _
u=c n r e s - V maxnc-v --~ ,ar a=Az~u An3 sp r2'T"Y c' =~ --w~~ l 7 89 80
$$ I PrfML/c. YW ~DcrG"C ~ri Vf a CLD Wdf Remna re=3 pov3 TGP L.AC 2"D fu / #d A f 7 89 80 hl-r9Jtef~ /~C 0~7" rL=C~r~ red o f" c M&Datt.e~- le PIP /x6 . l (L, sACUTY METHOD OF STATUS % POWER OTHER STATUS OtSCOVERY DISCOVERY DESCRipfl0N i
(_El Icl9lfl I m1 I LB_j l N4 I 7 8 9 10 12 13 - 44 45 48 80 RELEAS O O SE AMOUNT OF ACTMTV LOCATION OF RELEASE 7 8 9 (2]. [2]
10 I se I l v4 1 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Igj L '
n leiclol v4 i 7 89 11 12 13 80 PERSONNEL INJURIES '
NuM8ER DESC3hPT10N h l [} '
O M Iol clo I I N4 th in n . ;
I 7 89 11 12 ~ "
80 OFFSITE CONSEQUENCES
- $ , {l l'
Q@ l /1/4 i., ' '[i ll .
7 89 -
._. 80 LOSS OH DAMAGE TO FACruTY .
TYPE DESCRIPTION
( A/A I -
7 89 10 80 PUBLICITY 1
l l 7 89 80 ADDITIONAL FACTORS ClI
\,j 8 9
/v4 80 l
DE I l 7 89 80 NAME: 4 8' '--" 8 MNf5 pHCNE: [5F/) 37/' 4494 GPO 881 667
_ _ _ ._