ML19319E554: Difference between revisions
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
||
Line 18: | Line 18: | ||
=Text= | =Text= | ||
{{#Wiki_filter:. | {{#Wiki_filter:. | ||
,s UCENSEE EVENT RE,JsT | |||
,s | |||
UCENSEE EVENT RE,JsT | |||
'O - | 'O - | ||
CONTROL 8tOCel l.l l l .l I masa m8rT au.nemusum swea8anwg C | CONTROL 8tOCel l.l l l .l I masa m8rT au.nemusum swea8anwg C | ||
Line 29: | Line 24: | ||
'?"J" l A lRIA lt Is i t I uCE~SE Nuo-R le lo l-loie le lo lol-lo lo25l 14.l "Ra" t I il t I t l | '?"J" l A lRIA lt Is i t I uCE~SE Nuo-R le lo l-loie le lo lol-lo lo25l 14.l "Ra" t I il t I t l | ||
'r'#' | 'r'#' | ||
1013 l 7 89 14 15 28 30 31 32 CATEGORY TYPE DOCKET NUMeER EVENT OATE REpopf Daft 01 CONT I l l [1.J [1.,j | 1013 l 7 89 14 15 28 30 31 32 CATEGORY TYPE DOCKET NUMeER EVENT OATE REpopf Daft 01 CONT I l l [1.J [1.,j l0 l510 l-10 l311131 1011l\10 17171 10 l 210 l 217 l't 7 8 57 58 59 80 81 88 89 74 75 fC EVENT DESCRIPTON H5 l E cim Jske.lu-sk.km e.o.c | ||
l0 l510 l-10 l311131 1011l\10 17171 10 l 210 l 217 l't 7 8 57 58 59 80 81 88 89 74 75 fC EVENT DESCRIPTON H5 l E cim Jske.lu-sk.km e.o.c | |||
( %7 7. Fv3 A booD S\ t\c duw Q a.s I 7 89 1 80 BE I \nhcA d b..L emsb.\ vo m . \nwcLA.e ve.ved.1 d\ SooE. sen 1%s SCI 7 89 BE I \ines ve. k m m = 4 ocessoce. s ek %zWB B 6 L M bu/nd 32 I b d =ebuaL ,1 . % edod.sk s,A _, o,- oudl\. .bsino \;-s 7 89 % 8C | ( %7 7. Fv3 A booD S\ t\c duw Q a.s I 7 89 1 80 BE I \nhcA d b..L emsb.\ vo m . \nwcLA.e ve.ved.1 d\ SooE. sen 1%s SCI 7 89 BE I \ines ve. k m m = 4 ocessoce. s ek %zWB B 6 L M bu/nd 32 I b d =ebuaL ,1 . % edod.sk s,A _, o,- oudl\. .bsino \;-s 7 89 % 8C | ||
'ad I wece b e.X 1 4 L a b..cse. [ook'd b L . fce -sw /,$d ~ | 'ad I wece b e.X 1 4 L a b..cse. [ook'd b L . fce -sw /,$d ~ | ||
Line 39: | Line 30: | ||
8C E CIot CoupoNENT CODE MANuF VOLATON O 1C.1 DI Ls.1 ItiulsiTle.lul giy Iz l I <l .J lul 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPT!ON E I Veer , L,.m. \;nes 4. Stat %rk 7 89 % J doe. k. %%kb.) 80 I | 8C E CIot CoupoNENT CODE MANuF VOLATON O 1C.1 DI Ls.1 ItiulsiTle.lul giy Iz l I <l .J lul 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPT!ON E I Veer , L,.m. \;nes 4. Stat %rk 7 89 % J doe. k. %%kb.) 80 I | ||
I b o ..k_, .s. I 9 ' | I b o ..k_, .s. I 9 ' | ||
SC i 1 STa % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRpTON 1 LEj l O l '1 lE l l wlA l [(j l wl A l 7 8 9 10 12 13 44 45 48 | SC i 1 STa % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRpTON 1 LEj l O l '1 lE l l wlA l [(j l wl A l 7 8 9 10 12 13 44 45 48 80 RELE SED OF EL ASE AMOUNT OF ACTMTV LOCATON OF RELEASE DE 7 8 9 La.J L5j 10 l e ' | ||
80 RELE SED OF EL ASE AMOUNT OF ACTMTV LOCATON OF RELEASE DE 7 8 9 La.J L5j 10 l e ' | |||
I 44 L | I 44 L | ||
43 wia I 11 ' | 43 wia I 11 ' | ||
80 PERSONNEL EXPOSURES NUMBER TYPE CESCR@ TON DE 10101o1 lij l alA I 7 89 11 12 13 ' | 80 PERSONNEL EXPOSURES NUMBER TYPE CESCR@ TON DE 10101o1 lij l alA I 7 89 11 12 13 ' | ||
A0 PERSONNEL INJURIES NUMBER CESCRPTON DE lololol I xIn I 7 89 11 12 ' | A0 PERSONNEL INJURIES NUMBER CESCRPTON DE lololol I xIn I 7 89 11 12 ' | ||
80 OFFSITE CONSEQUENCES DE I iA l 7 89 80 LOSS OR OAMAGE TO FACILITY | 80 OFFSITE CONSEQUENCES DE I iA l 7 89 80 LOSS OR OAMAGE TO FACILITY TYPE DESCR@ TON D2 L*J 7 89 l 6 ' | ||
TYPE DESCR@ TON D2 L*J 7 89 l 6 ' | |||
I 10 80 PUBLICITY I u a I 89 80 ADDITONAL FACTORS g D2 I 7 89 u/A ' | I 10 80 PUBLICITY I u a I 89 80 ADDITONAL FACTORS g D2 I 7 89 u/A ' | ||
80041105 G So l | 80041105 G So l | ||
D2 I I 7 89 80 NAME __.. DN Q . 'M __ __ m (K_D h N h | D2 I I 7 89 80 NAME __.. DN Q . 'M __ __ m (K_D h N h | ||
. t ~\ | . t ~\ | ||
6 | 6 | ||
: 1. Reportable Occurrence Report No. 50-313/77-1 | : 1. Reportable Occurrence Report No. 50-313/77-1 | ||
: 2. Report Date: 2/2/77 3. Occurrence Date: 1/10/77 | : 2. Report Date: 2/2/77 3. Occurrence Date: 1/10/77 | ||
Line 68: | Line 51: | ||
Steady-State Power y Reactor Power 2362 MWth Hot Standby Net Output 760 MWe Cold Shutdown Percent of Full Power 92 % | Steady-State Power y Reactor Power 2362 MWth Hot Standby Net Output 760 MWe Cold Shutdown Percent of Full Power 92 % | ||
Refueling Shutdown Load Changes During Routine Power Operation __ - | Refueling Shutdown Load Changes During Routine Power Operation __ - | ||
Operation | Operation Routine- Shutdown Operation Other (specify) | ||
Routine- Shutdown Operation | |||
Other (specify) | |||
; 7. Description of Occurrence: | ; 7. Description of Occurrence: | ||
. At approximately 2200 hours on January 10, 1977 a trouble SLBIC alarm was indicated in the control room. An investigation revealed all four sensings lines were frozen and Pressure Switch PS2668B in the Red Channel had actuated. At 2330 hours on January 10, 1977, . | |||
. At approximately 2200 hours on January 10, 1977 a trouble SLBIC alarm was indicated in the control room. An investigation revealed all four sensings lines were frozen and Pressure Switch PS2668B in | |||
the Red Channel had actuated. At 2330 hours on January 10, 1977, . | |||
SLBIC was defeated in order to thaw out the sensing lines. | SLBIC was defeated in order to thaw out the sensing lines. | ||
NSP-III-2, Rev. S Attachment "D" S , | NSP-III-2, Rev. S Attachment "D" S , | ||
October 1, 1976 Page 2 of 4 l | October 1, 1976 Page 2 of 4 l | ||
's* | 's* | ||
. 1 | . 1 | ||
-s i | -s i | ||
Reportable Occurrence Report No. 50-313/77-1 4 | Reportable Occurrence Report No. 50-313/77-1 4 | ||
Line 107: | Line 66: | ||
* X Including Environmental Installation / | * X Including Environmental Installation / | ||
Construction Component Failure (See Failure Data) 5 Operator Other (specify) | Construction Component Failure (See Failure Data) 5 Operator Other (specify) | ||
* Frozen lines due to subfreezing temperatures | * Frozen lines due to subfreezing temperatures l | ||
l i | |||
i | |||
: 9. Analysis of Occurrence: | : 9. Analysis of Occurrence: | ||
Since SLBIC can be removed from service for 24 hours per Technical Specification 3.4.3 and SLBIC was restored at 1730 hours on 1/11/77, there was no hazard to the health e.nd safety of the public. | Since SLBIC can be removed from service for 24 hours per Technical Specification 3.4.3 and SLBIC was restored at 1730 hours on 1/11/77, there was no hazard to the health e.nd safety of the public. | ||
i | i l | ||
l | |||
-\ | -\ | ||
l l | l l | ||
l b | l b | ||
V October 1, 1976 NSP-III-2, Rev. 5 Attachment "D" 5 Page 3 Of 4 | V October 1, 1976 NSP-III-2, Rev. 5 Attachment "D" 5 Page 3 Of 4 | ||
- - _ . - - - . . - - _ _ _ . _ _ . . _ . _ . - = | - - _ . - - - . . - - _ _ _ . _ _ . . _ . _ . - = | ||
; , | ; , | ||
r*, | r*, | ||
o - | o - | ||
Reportable Occurrence Report No. 50-313/77-1 4 | Reportable Occurrence Report No. 50-313/77-1 4 | ||
i 10. Corrective Action: | i 10. Corrective Action: | ||
i I | i I | ||
, After SLBIC was taken out of service the sensing lines were thawed. The insulation was then removed, heat tracing was applied to the lines, and the insulation was replaced. | , After SLBIC was taken out of service the sensing lines were thawed. The insulation was then removed, heat tracing was applied to the lines, and the insulation was replaced. | ||
4 i | 4 i | ||
l I | |||
l | J i | ||
i | |||
; | ; | ||
: 11. Failure Data: | : 11. Failure Data: | ||
None 4 | |||
None | i , | ||
i l | i l | ||
l 4 | |||
l | |||
4 | |||
E i | E i | ||
t | t | ||
\ | \ | ||
October 1, 1976 NSP-III-2, Rev. 5 Attachment "D" 5 Page 4 of 4 1 | October 1, 1976 NSP-III-2, Rev. 5 Attachment "D" 5 Page 4 of 4 1 | ||
{ - , _ . , . . . . . . . _ _ . _ . _ . _ _ , _ , _ _ _ _ . _ . - _ _ . . _ _ _ _ , _ , . . _ . _ _ . . . . _ _ _ . _ . _ _ _ _ _ _ _ _ _ . . _ . _ , _ _ _ _ . . . . _ _ _ . , . _ ,}} | { - , _ . , . . . . . . . _ _ . _ . _ . _ _ , _ , _ _ _ _ . _ . - _ _ . . _ _ _ _ , _ , . . _ . _ _ . . . . _ _ _ . _ . _ _ _ _ _ _ _ _ _ . . _ . _ , _ _ _ _ . . . . _ _ _ . , . _ ,}} |
Revision as of 05:30, 1 February 2020
ML19319E554 | |
Person / Time | |
---|---|
Site: | Arkansas Nuclear ![]() |
Issue date: | 02/02/1977 |
From: | Mardis D ARKANSAS POWER & LIGHT CO. |
To: | |
Shared Package | |
ML19319E550 | List: |
References | |
NUDOCS 8004110813 | |
Download: ML19319E554 (4) | |
Text
.
,s UCENSEE EVENT RE,JsT
'O -
CONTROL 8tOCel l.l l l .l I masa m8rT au.nemusum swea8anwg C
b 01
'?"J" l A lRIA lt Is i t I uCE~SE Nuo-R le lo l-loie le lo lol-lo lo25l 14.l "Ra" t I il t I t l
'r'#'
1013 l 7 89 14 15 28 30 31 32 CATEGORY TYPE DOCKET NUMeER EVENT OATE REpopf Daft 01 CONT I l l [1.J [1.,j l0 l510 l-10 l311131 1011l\10 17171 10 l 210 l 217 l't 7 8 57 58 59 80 81 88 89 74 75 fC EVENT DESCRIPTON H5 l E cim Jske.lu-sk.km e.o.c
( %7 7. Fv3 A booD S\ t\c duw Q a.s I 7 89 1 80 BE I \nhcA d b..L emsb.\ vo m . \nwcLA.e ve.ved.1 d\ SooE. sen 1%s SCI 7 89 BE I \ines ve. k m m = 4 ocessoce. s ek %zWB B 6 L M bu/nd 32 I b d =ebuaL ,1 . % edod.sk s,A _, o,- oudl\. .bsino \;-s 7 89 % 8C
'ad I wece b e.X 1 4 L a b..cse. [ook'd b L . fce -sw /,$d ~
7 89 Q \\ '
8C E CIot CoupoNENT CODE MANuF VOLATON O 1C.1 DI Ls.1 ItiulsiTle.lul giy Iz l I <l .J lul 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPT!ON E I Veer , L,.m. \;nes 4. Stat %rk 7 89 % J doe. k. %%kb.) 80 I
I b o ..k_, .s. I 9 '
SC i 1 STa % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRpTON 1 LEj l O l '1 lE l l wlA l [(j l wl A l 7 8 9 10 12 13 44 45 48 80 RELE SED OF EL ASE AMOUNT OF ACTMTV LOCATON OF RELEASE DE 7 8 9 La.J L5j 10 l e '
I 44 L
43 wia I 11 '
80 PERSONNEL EXPOSURES NUMBER TYPE CESCR@ TON DE 10101o1 lij l alA I 7 89 11 12 13 '
A0 PERSONNEL INJURIES NUMBER CESCRPTON DE lololol I xIn I 7 89 11 12 '
80 OFFSITE CONSEQUENCES DE I iA l 7 89 80 LOSS OR OAMAGE TO FACILITY TYPE DESCR@ TON D2 L*J 7 89 l 6 '
I 10 80 PUBLICITY I u a I 89 80 ADDITONAL FACTORS g D2 I 7 89 u/A '
80041105 G So l
D2 I I 7 89 80 NAME __.. DN Q . 'M __ __ m (K_D h N h
. t ~\
6
- 1. Reportable Occurrence Report No. 50-313/77-1
- 2. Report Date: 2/2/77 3. Occurrence Date: 1/10/77
- 4. Facility:
Arkansas Nuclear One-Unit 1 Russellville, Arkansas
- 5. Identification of Occurrence:
Frozen sensing lines to SLBIC system
- 6. Conditions Prior to Occurrence:
Steady-State Power y Reactor Power 2362 MWth Hot Standby Net Output 760 MWe Cold Shutdown Percent of Full Power 92 %
Refueling Shutdown Load Changes During Routine Power Operation __ -
Operation Routine- Shutdown Operation Other (specify)
- 7. Description of Occurrence
. At approximately 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br /> on January 10, 1977 a trouble SLBIC alarm was indicated in the control room. An investigation revealed all four sensings lines were frozen and Pressure Switch PS2668B in the Red Channel had actuated. At 2330 hours0.027 days <br />0.647 hours <br />0.00385 weeks <br />8.86565e-4 months <br /> on January 10, 1977, .
SLBIC was defeated in order to thaw out the sensing lines.
NSP-III-2, Rev. S Attachment "D" S ,
October 1, 1976 Page 2 of 4 l
's*
. 1
-s i
Reportable Occurrence Report No. 50-313/77-1 4
- 8. Designation of Apparent Cause of Occurrence:
Design Procedure Manufacture Unusual Service Condition
- X Including Environmental Installation /
Construction Component Failure (See Failure Data) 5 Operator Other (specify)
- Frozen lines due to subfreezing temperatures l
l i
- 9. Analysis of Occurrence:
Since SLBIC can be removed from service for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> per Technical Specification 3.4.3 and SLBIC was restored at 1730 hours0.02 days <br />0.481 hours <br />0.00286 weeks <br />6.58265e-4 months <br /> on 1/11/77, there was no hazard to the health e.nd safety of the public.
i l
-\
l l
l b
V October 1, 1976 NSP-III-2, Rev. 5 Attachment "D" 5 Page 3 Of 4
- - _ . - - - . . - - _ _ _ . _ _ . . _ . _ . - =
- ,
r*,
o -
Reportable Occurrence Report No. 50-313/77-1 4
i 10. Corrective Action:
i I
, After SLBIC was taken out of service the sensing lines were thawed. The insulation was then removed, heat tracing was applied to the lines, and the insulation was replaced.
4 i
l I
J i
- 11. Failure Data:
None 4
i ,
i l
l 4
E i
t
\
October 1, 1976 NSP-III-2, Rev. 5 Attachment "D" 5 Page 4 of 4 1
{ - , _ . , . . . . . . . _ _ . _ . _ . _ _ , _ , _ _ _ _ . _ . - _ _ . . _ _ _ _ , _ , . . _ . _ _ . . . . _ _ _ . _ . _ _ _ _ _ _ _ _ _ . . _ . _ , _ _ _ _ . . . . _ _ _ . , . _ ,