ML19309E760: Difference between revisions
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
||
| Line 22: | Line 22: | ||
LICENSEE EVENT REPORT CONTROL BLOCK: l l l l l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) lo lil8l 9C l 0LICENSEE 7 | LICENSEE EVENT REPORT CONTROL BLOCK: l l l l l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) lo lil8l 9C l 0LICENSEE 7 | ||
l F l CODE S lV l 1 l@l 010 l- l 0LICENSE 14 15 l0 l0 l010 l- l0 l0 25l@l4 NUMBER 26 l1LICENSE l1 l2TYPE l 0 JOl@l 57 CAT l 58 l@ | l F l CODE S lV l 1 l@l 010 l- l 0LICENSE 14 15 l0 l0 l010 l- l0 l0 25l@l4 NUMBER 26 l1LICENSE l1 l2TYPE l 0 JOl@l 57 CAT l 58 l@ | ||
CON'T | CON'T IoI11 s$RCI60 l L l@l 0 l 5OOCKET l 0 lNUM8ER 0 l0 l 2 l 686 l 769 @lEVENT 0 l 312 l0 l 8 l075 l@l0 74 REPORT l4 CATE l1 l 8 l 808 l0 l@ | ||
IoI11 s$RCI60 l L l@l 0 l 5OOCKET l 0 lNUM8ER 0 l0 l 2 l 686 l 769 @lEVENT 0 l 312 l0 l 8 l075 l@l0 74 REPORT l4 CATE l1 l 8 l 808 l0 l@ | |||
7 8 61 DATE EVENT OESCRIPTION AND PROB ABLE CONSEQUENCES h l o l 21 l From 1105 to 1505 hours on March 20, 1980, with the plant operating at approximately l lo lal 1 60% thermal power and 216 MWe, the emergency feedwater header supply to Loop 2 helium l l o la I [ circulator water turbine driver was isolated to repair a leaking pressure control l Ioisl l valve. This resulted in operation in a degraded mode of LCO 4.2.2(a) and is re- l ITTs 1 l portable per Fort St. Vrain Technical Specification AC 7.5.2(b)2. No accompanying l | 7 8 61 DATE EVENT OESCRIPTION AND PROB ABLE CONSEQUENCES h l o l 21 l From 1105 to 1505 hours on March 20, 1980, with the plant operating at approximately l lo lal 1 60% thermal power and 216 MWe, the emergency feedwater header supply to Loop 2 helium l l o la I [ circulator water turbine driver was isolated to repair a leaking pressure control l Ioisl l valve. This resulted in operation in a degraded mode of LCO 4.2.2(a) and is re- l ITTs 1 l portable per Fort St. Vrain Technical Specification AC 7.5.2(b)2. No accompanying l | ||
[ol7l l occurrence or probable consequences. No affect on public health or safety. l | [ol7l l occurrence or probable consequences. No affect on public health or safety. l l0l8l l 80 7 8 9 E COE SUSC E COMPON ENT CODE 508 ODE SU E lo19l lH lH l@ y@ l Bl@ l Vl Al Ll Vl El Xl@ l Fl@ lHl@ 13 18 19 20 7 8 9 10 11 12 | ||
l0l8l l 80 7 8 9 E COE SUSC E COMPON ENT CODE 508 ODE SU E lo19l lH lH l@ y@ l Bl@ l Vl Al Ll Vl El Xl@ l Fl@ lHl@ 13 18 19 20 7 8 9 10 11 12 | |||
_ SEQUENTI AL OCCURRENCE REPCRT REVISION LER EVENT YEAR R EPORT NO. COOE TYPE NO. | _ SEQUENTI AL OCCURRENCE REPCRT REVISION LER EVENT YEAR R EPORT NO. COOE TYPE NO. | ||
@ ygg'R0 I 8 l 01 a | @ ygg'R0 I 8 l 01 a | ||
| Line 35: | Line 31: | ||
33 34 33 36 31 40 41 43 44 CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS h lilol lCause of valve leakage was a loose bole on hinck .rh4 rb i n ch nn a m * | 33 34 33 36 31 40 41 43 44 CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS h lilol lCause of valve leakage was a loose bole on hinck .rh4 rb i n ch nn a m * | ||
* sta - mh I g istem of a Masoneilan pressure control valve. This did not allow proper stroking, _i i,;7, lresulting in valve leakage. Block cleaned and re-assembled. Valve stroke calibrated. J i, ;3l l Valve and system returned to service. No further corrective action anticipated or l | * sta - mh I g istem of a Masoneilan pressure control valve. This did not allow proper stroking, _i i,;7, lresulting in valve leakage. Block cleaned and re-assembled. Valve stroke calibrated. J i, ;3l l Valve and system returned to service. No further corrective action anticipated or l | ||
[il4[ l required. l 7 a 9 80 ST % POWER oTHER STATUS 015 O RY DISCOVERY OESCRIPTION l1 l5 l l E l@ l 0l 6l 0l@lN/A l l Al@l Personnel Observation l ACTIVITY CC TENT RELEASED vP AELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE It i6I l Z l lZh!N/A l l N/A l 7 3 3 10 11 44 45 80 | [il4[ l required. l 7 a 9 80 ST % POWER oTHER STATUS 015 O RY DISCOVERY OESCRIPTION l1 l5 l l E l@ l 0l 6l 0l@lN/A l l Al@l Personnel Observation l ACTIVITY CC TENT RELEASED vP AELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE It i6I l Z l lZh!N/A l l N/A l 7 3 3 10 11 44 45 80 PERSONNEL ExPOSUMES NUM8ER TYPE OESCRIPTION 39 l l i 17 l l 0 l 0 l 0 l@l Z l@l N/A l l PERSON ~EL mu'AEs NUMBER DESCRIPTION li t a8l 31010101@l 12N/A 7 11 80 I | ||
PERSONNEL ExPOSUMES NUM8ER TYPE OESCRIPTION 39 l l i 17 l l 0 l 0 l 0 l@l Z l@l N/A l l | |||
PERSON ~EL mu'AEs NUMBER DESCRIPTION li t a8l 31010101@l 12N/A 7 11 80 I | |||
'#$ Eo'i s'C"^i1 cN' ' '^c' '' " @ 8004240 3Jgl~ | '#$ Eo'i s'C"^i1 cN' ' '^c' '' " @ 8004240 3Jgl~ | ||
l t l 9d l 9l Z l@ltoN/A 7 80 PUBLICITY NRC USE ONLY | l t l 9d l 9l Z l@ltoN/A 7 80 PUBLICITY NRC USE ONLY | ||
Latest revision as of 10:26, 1 February 2020
| ML19309E760 | |
| Person / Time | |
|---|---|
| Site: | Fort Saint Vrain  |
| Issue date: | 04/18/1980 |
| From: | Gahm J PUBLIC SERVICE CO. OF COLORADO |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| Shared Package | |
| ML19309E759 | List: |
| References | |
| LER-80-015-03L, LER-80-15-3L, NUDOCS 8004240328 | |
| Download: ML19309E760 (1) | |
Text
_ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSitN
'T.77)
LICENSEE EVENT REPORT CONTROL BLOCK: l l l l l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) lo lil8l 9C l 0LICENSEE 7
l F l CODE S lV l 1 l@l 010 l- l 0LICENSE 14 15 l0 l0 l010 l- l0 l0 25l@l4 NUMBER 26 l1LICENSE l1 l2TYPE l 0 JOl@l 57 CAT l 58 l@
CON'T IoI11 s$RCI60 l L l@l 0 l 5OOCKET l 0 lNUM8ER 0 l0 l 2 l 686 l 769 @lEVENT 0 l 312 l0 l 8 l075 l@l0 74 REPORT l4 CATE l1 l 8 l 808 l0 l@
7 8 61 DATE EVENT OESCRIPTION AND PROB ABLE CONSEQUENCES h l o l 21 l From 1105 to 1505 hours0.0174 days <br />0.418 hours <br />0.00249 weeks <br />5.726525e-4 months <br /> on March 20, 1980, with the plant operating at approximately l lo lal 1 60% thermal power and 216 MWe, the emergency feedwater header supply to Loop 2 helium l l o la I [ circulator water turbine driver was isolated to repair a leaking pressure control l Ioisl l valve. This resulted in operation in a degraded mode of LCO 4.2.2(a) and is re- l ITTs 1 l portable per Fort St. Vrain Technical Specification AC 7.5.2(b)2. No accompanying l
[ol7l l occurrence or probable consequences. No affect on public health or safety. l l0l8l l 80 7 8 9 E COE SUSC E COMPON ENT CODE 508 ODE SU E lo19l lH lH l@ y@ l Bl@ l Vl Al Ll Vl El Xl@ l Fl@ lHl@ 13 18 19 20 7 8 9 10 11 12
_ SEQUENTI AL OCCURRENCE REPCRT REVISION LER EVENT YEAR R EPORT NO. COOE TYPE NO.
@ ygg'R0 I 8 l 01 a
l-l l 01 11 5l l/l 10131 lLI l-l 10l
,_ 21 22 23 24 26 27 28 29 30 31 32 K N AC C O P NT ME HOURS S8 i POR 8. SUPPLI MANUPAC RER Ls_J@lz_J@ Lz_J@ LIJ@ l 01 01 01 01 IV l@ l42Ni@ IN l@ In 11 12 l047l@
33 34 33 36 31 40 41 43 44 CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS h lilol lCause of valve leakage was a loose bole on hinck .rh4 rb i n ch nn a m *
- sta - mh I g istem of a Masoneilan pressure control valve. This did not allow proper stroking, _i i,;7, lresulting in valve leakage. Block cleaned and re-assembled. Valve stroke calibrated. J i, ;3l l Valve and system returned to service. No further corrective action anticipated or l
[il4[ l required. l 7 a 9 80 ST % POWER oTHER STATUS 015 O RY DISCOVERY OESCRIPTION l1 l5 l l E l@ l 0l 6l 0l@lN/A l l Al@l Personnel Observation l ACTIVITY CC TENT RELEASED vP AELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE It i6I l Z l lZh!N/A l l N/A l 7 3 3 10 11 44 45 80 PERSONNEL ExPOSUMES NUM8ER TYPE OESCRIPTION 39 l l i 17 l l 0 l 0 l 0 l@l Z l@l N/A l l PERSON ~EL mu'AEs NUMBER DESCRIPTION li t a8l 31010101@l 12N/A 7 11 80 I
'#$ Eo'i s'C"^i1 cN' ' '^c' " @ 8004240 3Jgl~
l t l 9d l 9l Z l@ltoN/A 7 80 PUBLICITY NRC USE ONLY
'SSU E D OESCRIPTION l2 l0l l N l l N/A l llll!ll!!!lI l$*'
7 8 3 to a p 68 69 80 ;,
M (\,,a _\.w % 0 /M . . . . NOU 785-2253 9'