ML19320A169: Difference between revisions
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UCENSEE EVENT ECPORT CONTROt 8tOCx:l l l l l l l c,tsass namer au. assumso moonmanoni | UCENSEE EVENT ECPORT CONTROt 8tOCx:l l l l l l l c,tsass namer au. assumso moonmanoni | ||
[ ' | [ ' | ||
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0 0 L E AMOUNT OF ACTMTY LOCATON OF AELEASE | 0 0 L E AMOUNT OF ACTMTY LOCATON OF AELEASE | ||
' l) Lx) I ivx l l ivn l 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRPTON | ' l) Lx) I ivx l l ivn l 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRPTON | ||
[E lolcici (z_J 7 89 11 12 l | [E lolcici (z_J 7 89 11 12 l | ||
13 M i 80 PERSONNEL IN IURIES NUueeR cESCR - ON D pp l D ! | 13 M i 80 PERSONNEL IN IURIES NUueeR cESCR - ON D pp l D ! | ||
E lololcI I 7 89 11 12 4re ~ | E lololcI I 7 89 11 12 4re ~ | ||
-[ n i .I | -[ n i .I 80 EI OFFSITE CONSEQUENCES | ||
80 EI OFFSITE CONSEQUENCES | |||
,v 4 D | ,v 4 D | ||
n 0 h hI la | n 0 h hI la i | ||
l l 7 89 " --- - - - - | |||
80 | 80 l | ||
LOSS OR DAMAGE TO FACIUTY *l TYPE otSCRpTON | |||
/tlk . | /tlk . | ||
7 89 10 80 PUBUCITY | 7 89 10 80 PUBUCITY | ||
&I 7 89 WA I 80 ADDITIONAL FACTORS gM | &I 7 89 WA I 80 ADDITIONAL FACTORS gM | ||
[]I #4 i l l | []I #4 i l l | ||
N 7 89 800421o g | N 7 89 800421o g 80 NAME: A V'E N- A C 'J PHONE: b# ) T7/ ~ M' GPO 901 467 | ||
. ~ | . ~ | ||
j | j l | ||
l | |||
. .. I v x | . .. I v x | ||
: 1. Reportahic Occurrence Report ik . 50-313/76-16 | : 1. Reportahic Occurrence Report ik . 50-313/76-16 | ||
: 2. Report Dato: 8/3/76 .. h irrence Inste: 7/12/76 4 Facility: Arkansas Nuclear One-Unit 1 Russellville, Arkansas | : 2. Report Dato: 8/3/76 .. h irrence Inste: 7/12/76 4 Facility: Arkansas Nuclear One-Unit 1 Russellville, Arkansas | ||
: 5. Identification of Occurrence: | : 5. Identification of Occurrence: | ||
T-9 was below the 37,500 lb. Na2 S02 3 limit per Tech. Spec. 3.3.4B. | T-9 was below the 37,500 lb. Na2 S02 3 limit per Tech. Spec. 3.3.4B. | ||
: 6. Conditions Prior to Occurrence: | : 6. Conditions Prior to Occurrence: | ||
I Steady-State Power X Reactor Power 2S17 MWth Ilot Standby Net Output 809 MWe I | I Steady-State Power X Reactor Power 2S17 MWth Ilot Standby Net Output 809 MWe I | ||
Line 80: | Line 62: | ||
Refueling Shutdown Load Changes During Routine Power Operation i Routine Startup . | Refueling Shutdown Load Changes During Routine Power Operation i Routine Startup . | ||
i_ Operation | i_ Operation | ||
: Routine Shutdown Operation Other (specify) s t | |||
: Routine Shutdown Operation Other (specify) s | |||
t | |||
: 7. Description of Occurrenec: | : 7. Description of Occurrenec: | ||
At 0905 hours on July 12, 1976, a. sample was taken from the Sodium Thiosulfate Tank (T-9) . A'n analysis found T-9 to be below the 37,500 lb. . | At 0905 hours on July 12, 1976, a. sample was taken from the Sodium Thiosulfate Tank (T-9) . A'n analysis found T-9 to be below the 37,500 lb. . | ||
sodium thiosulfate limit. ' | sodium thiosulfate limit. ' | ||
l . | l . | ||
l O . Attachuent "C" i '- !'. arch 23, 1976 NSP-In. Rev. 4 Page 2 of 4 | l O . Attachuent "C" i '- !'. arch 23, 1976 NSP-In. Rev. 4 Page 2 of 4 | ||
_I | _I | ||
N D | N D | ||
Reportable' Occurrence Peport No. 50-313/76-16 | Reportable' Occurrence Peport No. 50-313/76-16 | ||
.i | .i | ||
: 8. Desip, nation' of Apparent Cause _of Occurrenec: | : 8. Desip, nation' of Apparent Cause _of Occurrenec: | ||
j Design Procedurc Flanufacture Unusual Service Condition | j Design Procedurc Flanufacture Unusual Service Condition lucluding Environmental Installation / , | ||
lucluding Environmental Installation / , | |||
Construction Component Failurc Operator 1 | Construction Component Failurc Operator 1 | ||
~ | ~ | ||
Other (specify) X Suspecting a leak from T-9 into the Reactor Building Spray System. | Other (specify) X Suspecting a leak from T-9 into the Reactor Building Spray System. | ||
t | t | ||
; | ; | ||
: 9. Analysis of Occurrence: | : 9. Analysis of Occurrence: | ||
Since more so .um thiosulfate was added and 37,500 lbs. is a conservative estimate, tb .e was n.) effect on the health and safety of the public. | Since more so .um thiosulfate was added and 37,500 lbs. is a conservative estimate, tb .e was n.) effect on the health and safety of the public. | ||
l 1 | l 1 | ||
. 1 1 | |||
. 1 | |||
1 | |||
I i | I i | ||
i | i | ||
\ Attachiwnt "C" l l hhrch 23, 1976 NSP-10, Rev. 4 Page 3 of 1 l | \ Attachiwnt "C" l l hhrch 23, 1976 NSP-10, Rev. 4 Page 3 of 1 l | ||
i-l l | i-l l | ||
__ ___.._1..._...._, _ . . _ _ . . . _ _ _ . . . . _ _ _ _ , . _ . . . , . . _ , _ | __ ___.._1..._...._, _ . . _ _ . . . _ _ _ . . . . _ _ _ _ , . _ . . . , . . _ , _ | ||
. L e | |||
. L | |||
e | |||
: I - | : I - | ||
.I - | .I - | ||
Reportable Occurrence Report iio. 50-313/76-16 4 | Reportable Occurrence Report iio. 50-313/76-16 4 | ||
4 | 4 | ||
: 10. Corrective Action: | : 10. Corrective Action: | ||
On July 13, 1976. 056 lbs of sodium thiosulfate was added to T-9. | On July 13, 1976. 056 lbs of sodium thiosulfate was added to T-9. | ||
I | I Efforts are being made, including lapping of the isolation valves, to reduce this leakage. | ||
Efforts are being made, including lapping of the isolation valves, | |||
to reduce this leakage | |||
; | ; | ||
l 1 | l 1 | ||
: 11. Failure Data: | : 11. Failure Data: | ||
None. | None. | ||
4 I | 4 I | ||
s i | s i | ||
Line 190: | Line 107: | ||
1 | 1 | ||
. ^= | . ^= | ||
i 4 | i 4 | ||
/st taciunent "C" Sbrch 23,1976 NSP-10, Rev. ' 4 ' Page .1 of .1 4 | |||
1- | |||
/st taciunent "C" Sbrch 23,1976 NSP-10, Rev. ' 4 ' Page .1 of .1 | |||
+ | + | ||
-,-e.x, -- --yw,y vy-w.--e, ,--my,wegg-w w w rw w -==rw- e = wywy v - Fwg e 't-W-rMw-}} | -,-e.x, -- --yw,y vy-w.--e, ,--my,wegg-w w w rw w -==rw- e = wywy v - Fwg e 't-W-rMw-}} |
Revision as of 05:19, 1 February 2020
ML19320A169 | |
Person / Time | |
---|---|
Site: | Arkansas Nuclear ![]() |
Issue date: | 08/03/1976 |
From: | Mardis D ARKANSAS POWER & LIGHT CO. |
To: | |
Shared Package | |
ML19320A166 | List: |
References | |
NUDOCS 8004210475 | |
Download: ML19320A169 (4) | |
Text
__ _ - . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
UCENSEE EVENT ECPORT CONTROt 8tOCx:l l l l l l l c,tsass namer au. assumso moonmanoni
[ '
1 8 k" / UCENSE NUMBER TYP TYPE Oi l # l x l 4 l I l d f_] l c l o l-l ol cl olo l ol-l ol c l 141/ l e l il / l 10131 7 89 14 .15 25 28 30 31 32 CATEGORY TYPE AC1 00CKET NUMBER EVENT DATE REPORT OATE O 1 CONT l l l [f] (f_j ldlSlCl-ldlJl/13l l C l 7 l / l 2 l 7 ld' l Id i F 18 I 3l 7Id l 7 8 57 58 59 60 61 88 89 74 75 80 EVENT DESCRgrTION 08 Durrvin src Avy- s~rrrE- Peater optrA rved (9.T S FP ) AT~ d'IO S" aeu>rs a M r' /2 I 7 89 ' 80
$$ I 1978, Af -TA/VPLE' VAT TNrfM FWM tut &fuM J Hr4 TulFA 9E' /ANh* f7*- 9 h kN l 7 85 80 -
5$ I AA!4LY5"!T );*00AJ3 7"* 9 'rv nf M L o t./ Tue* 37 Sdd tn .50D r u r4 'rurp suu~ A-rr* u sv 9 r*. I 7 89 80 hI o T* A K M Y7 T VE' dCC u tRE~NC C" kvarp 9Sd i a r e s*
- raru rw - ure s ult:~o W l 7 89 80 UE l 'T~b Y9 nu T/L V l5 l$7h. fS*0~]/3f74-//) l
~
7 89 m 80 CD E COMPONENT CODE MANUF 'n R VOLATON M 15141 [f]
7 89 10 11 1212l21212121 12 17
[z]43 151 a 1a la_ l 44 47 lyl 48 CAUSE DESCRIPTION US I LEAF PP!N 'l~ $ IN Ttt - $=Ac~rt? SinLa rIV& $P94Y TVs TW /T s<t3'PEC M i 7 89 80 h I04 $C Y l3 l97$
7 89 '
9 TA LBT - &l" 3 0)!UM 'T*Wf C *Tu t.JVA'M" W5PE NPOED l 80 0 l vc T-9. l s % POWER QTHER STATUS C COVE CISCOVERY DESCAPTON 8
7 8 9 Ls_J I cl 9131 I 10 12 13 ue i 44 15_]
45 I
48 so 80 I
0 0 L E AMOUNT OF ACTMTY LOCATON OF AELEASE
' l) Lx) I ivx l l ivn l 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRPTON
[E lolcici (z_J 7 89 11 12 l
13 M i 80 PERSONNEL IN IURIES NUueeR cESCR - ON D pp l D !
E lololcI I 7 89 11 12 4re ~
-[ n i .I 80 EI OFFSITE CONSEQUENCES
,v 4 D
n 0 h hI la i
l l 7 89 " --- - - - -
80 l
LOSS OR DAMAGE TO FACIUTY *l TYPE otSCRpTON
/tlk .
7 89 10 80 PUBUCITY
&I 7 89 WA I 80 ADDITIONAL FACTORS gM
[]I #4 i l l
N 7 89 800421o g 80 NAME: A V'E N- A C 'J PHONE: b# ) T7/ ~ M' GPO 901 467
. ~
j l
. .. I v x
- 1. Reportahic Occurrence Report ik . 50-313/76-16
- 2. Report Dato: 8/3/76 .. h irrence Inste: 7/12/76 4 Facility: Arkansas Nuclear One-Unit 1 Russellville, Arkansas
- 5. Identification of Occurrence:
T-9 was below the 37,500 lb. Na2 S02 3 limit per Tech. Spec. 3.3.4B.
- 6. Conditions Prior to Occurrence:
I Steady-State Power X Reactor Power 2S17 MWth Ilot Standby Net Output 809 MWe I
Cold Shutdown Percent of Full Power 98 's i
Refueling Shutdown Load Changes During Routine Power Operation i Routine Startup .
i_ Operation
- Routine Shutdown Operation Other (specify) s t
- 7. Description of Occurrenec:
At 0905 hours0.0105 days <br />0.251 hours <br />0.0015 weeks <br />3.443525e-4 months <br /> on July 12, 1976, a. sample was taken from the Sodium Thiosulfate Tank (T-9) . A'n analysis found T-9 to be below the 37,500 lb. .
sodium thiosulfate limit. '
l .
l O . Attachuent "C" i '- !'. arch 23, 1976 NSP-In. Rev. 4 Page 2 of 4
_I
N D
Reportable' Occurrence Peport No. 50-313/76-16
.i
- 8. Desip, nation' of Apparent Cause _of Occurrenec:
j Design Procedurc Flanufacture Unusual Service Condition lucluding Environmental Installation / ,
Construction Component Failurc Operator 1
~
Other (specify) X Suspecting a leak from T-9 into the Reactor Building Spray System.
t
- 9. Analysis of Occurrence:
Since more so .um thiosulfate was added and 37,500 lbs. is a conservative estimate, tb .e was n.) effect on the health and safety of the public.
l 1
. 1 1
I i
i
\ Attachiwnt "C" l l hhrch 23, 1976 NSP-10, Rev. 4 Page 3 of 1 l
i-l l
__ ___.._1..._...._, _ . . _ _ . . . _ _ _ . . . . _ _ _ _ , . _ . . . , . . _ , _
. L e
- I -
.I -
Reportable Occurrence Report iio. 50-313/76-16 4
4
- 10. Corrective Action:
On July 13, 1976. 056 lbs of sodium thiosulfate was added to T-9.
I Efforts are being made, including lapping of the isolation valves, to reduce this leakage.
l 1
- 11. Failure Data:
None.
4 I
s i
I i
1
. ^=
i 4
/st taciunent "C" Sbrch 23,1976 NSP-10, Rev. ' 4 ' Page .1 of .1 4
1-
+
-,-e.x, -- --yw,y vy-w.--e, ,--my,wegg-w w w rw w -==rw- e = wywy v - Fwg e 't-W-rMw-