ML12286A225
| ML12286A225 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 10/22/2012 |
| From: | Mcneil D NRC/RGN-III/DRS/OLB |
| To: | |
| References | |
| Download: ML12286A225 (3) | |
Text
Facility: LaSalle Scenario No.: NRC 11-1-1 Op-Test No.: 2012301 Initial Conditions:
Unit 1 is operating at approximately 85% power. RCIC is Out-of-Service. 1VT02CC is out of service.
LOS-TG-M4 is for PMT of #2 Turbine BV. Suppression Pool Temperature is 93°F.
Turnover: Perform Turbine Bypass Valve Surveillance, LOS-TG-M4, on BPV #2 for Post Maintenance testing. Return to rated power following completion.
Event No.
Malf. No.
Event Type*
Event Description
- 1.
N/A (N)
BOP Perform Turbine Bypass Valve Surveillance, LOS-TG-M4, for Turbine Bypass Valve #2.
- 2.
mrd157 (I)
(T)
ATC SRO Loss of RPIS for one fully inserted rod on RCMS.
Declare INOP, and electrically disarm. Tech Spec determination for LCO 3.1.3. (TS)(ABN)
- 3.
N/A (R)
ATC Commence ramp to full power using RR FCVs
- 4.
k7d15wpg (C)
BOP Loss of 1VT02CA. With only 1 TB Exhaust Fan operating, the BOP must secure one TB Supply Fan (ABN)
- 5.
mrc039 k2k08pxi (I)
ATC 1A Reactor Recirculation FCV controller fails open and HPU Trip button fails. (ABN)
- 6.
mee041 (T)
SRO Loss of SAT. Tech Spec determination for offsite sources of power. (TS)(ABN)
- 7.
mms007 k5h09wl6 (C)
BOP Loss of EHC fluid and failure of auto start feature for standby pump. (ABN)
- 8.
mee055 mdg007 mnb038 (M)
Crew Loss of UAT. Division 2 EDG fails to start, crosstie to Unit 2 to restore power. One SRV sticks open, causing RPV level to lower to TAF.
- 9.
mnb078 mes002 (M)
Crew HPCS pump fails to auto start and then its discharge piping breaks inside containment after it has been manually started.
- 10.
mes006&007 (M)
Crew ADS will fail to auto initiate (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor (T)ech Spec ES-301-4 Quantitative attributes:
Total Malfunctions (5-8): 7 Malfunction(s) after EOP (1-2): 2 (E9&10)
Abnormal Events (2-4): 5, (E2, 4, 5, 6, &7)
Major Transient(s) /E-Plan entry (1-2): 1 (E8)
EOPs (1-2): 2 (LGA-001 and 003)
EOP Contingencies (0-2): 2 (ALC & Blowdown)
Critical Tasks (2-3): 2 ES-301-5 Quantitative attributes:
BOP Normal: E1 ATC Reactivity (1 per set): E3 BOP I/C (4 per set): E4&7 ATC I/C (4 per set): E2&5 SRO-I I/C (4 per set inc 2 as ATC): E2,4,5&7 SRO Tech Spec (2 per set): 2 (E2 & 6)
ALL Major Transients (2 per set) E8
SRRS 3D.126/3D.111: Retain approved lessons for life of plant OR Life of Insurance Policy + 1 Yr for RP lesson plans. May be retained in department for two years, then forwarded to Records Management.
Facility: LaSalle Scenario No.: NRC 11-1-2 Op-Test No.: 2012301 Initial Conditions:
Startup in progress at approximately 8% power. At Step E.5, withdrawing control rods to achieve 11/2 Bypass Valves for Turbine Roll. 1A Off Gas Posttreat Monitor is inoperable.
Turnover: Continue Startup Event No.
Malf. No.
Event Type*
Event Description
- 1.
N/A (R)
ATC Pull control rods per the sequence package to obtain 11/2 Bypass Valves for Turbine Roll
- 2.
mrd217 (C)
ATC Stuck control rod, (18-11) moves after increasing Drive Water pressure (ABN)
- 3.
k5h03jc1 (C)
BOP Steam Seal Evaporator pressure control valve fails.
LOR and LOA actions. (ABN)
- 4.
mrm021 (T)
(I)
CRS 1C Fuel Pool Exhaust Radiation Monitor fails downscale. Technical Specification 3.3.6.1 Determination (TS)
- 5.
g3k11p1y mcf089 (I)
ATC Master FWLC setpoint fails to 45, requiring manual level control for remainder of scenario. (ABN)
- 6.
mrm011 mrm012 (I)
BOP Failure of the second Posttreat Rad Monitor results in closure of 1N62-F057. BOP installs jumper to reopen the valve. (ABN)
- 7.
mnb105 mca015 (M)
ALL Small Steam LOCA from MSL with primary containment pressure suppression function failure (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor (T)ech Spec ES-301-4 Quantitative attributes:
Total Malfunctions (5-8): 6 Malfunction(s) after EOP (1-2): 1 (E-7)
Abnormal Events (2-4): 4 (E2, 3, 5, & 6)
Major Transient(s) /E-Plan entry (1-2): 1 (E7)
EOPs (1-2): 2 (LGA-001 & LGA-003)
EOP Contingencies (0-2): None Critical Tasks (2-3): 2 ES-301-5 Quantitative attributes:
BOP Normal: None ATC Reactivity (1 per set): E1 BOP I/C (4 per set): E3&6 ATC I/C (4 per set): E2&5 SRO-I I/C (4 per set inc 2 as ATC): E2,3,5,&6 SRO Tech Spec (2 per set): E4 ALL Major Transients (2 per set) E7
SRRS 3D.126/3D.111: Retain approved lessons for life of plant OR Life of Insurance Policy + 1 Yr for RP lesson plans. May be retained in department for two years, then forwarded to Records Management.
Facility: LaSalle Scenario No.: NRC 11-1-3 Op-Test No.: 2012301 Initial Conditions:
Unit 1 is operating at 100% power. Suppression Pool Temperature is 93°F. Recirc Ganged controller is Out-Of-Service. Chemistry is monitoring a suspected fuel leak.
Turnover: Perform LOS-VG-M1 on Unit 1 VG. Reduce power to 85% for Quarterly Surveillances.
Event No.
Malf. No.
Event Type*
Event Description
- 1.
vmsgv03r (N)
(T)
BOP SRO Unit-1 VG failed surveillance. SRO makes Technical Specification determination 3.6.4.3. (TS)
- 2.
N/A (R)
ATC Reduce reactor power using RR-FC Valves in manual control.
- 3.
p3e01a1d (I)
ATC CRD Flow Controller setpoint fails low. (ABN)
- 4.
mrc040 (I)
(T)
ATC Inadvertent Runback of 1B RR Flow Control Valve.
The SRO addresses Tech Spec for Recirc loop Flow mismatch. The ATC will insert CRAM rods to exit Region 1. (ABN)
- 5.
k7d21jpg (C)
BOP Offgas Building Exhaust Fan trip. The BOP swaps to the standby train. (ABN)
- 6.
mnb205 mnb112 vavr4/5ya/b (M)
CREW MSL Leak in Steam Tunnel results in a Group 1. D Inbd MSIV fails to isolate and the Reactor Building Ventilation fails to isolate. The crew performs actions of LGA 001, 002 and 003.
- 7.
gka02p21 gma02p21 (M)
CREW When the leak spreads to the RWCU area and two areas are above Max Safe temperature the crew will perform a RPV Blowdown per LGA-004
- 8.
mrh014 (C)
BOP 1A RHR suction strainer plugged. The BOP takes actions to mitigate and restore. (ABN)
(N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor (T)ech Spec ES-301-4 Quantitative attributes:
Total Malfunctions (5-8): 7 Malfunction(s) after EOP (1-2): 1 (E8)
Abnormal Events (2-4): 4 (E3, 4, 5, &8)
Major Transient(s) /E-Plan entry (1-2): 1 (E6)
EOPs (1-2): 3 (LGA-001, 003, & 002)
EOP Contingencies (0-2): 1 (LGA-004)
Critical Tasks (2-3): 2 ES-301-5 Quantitative attributes:
BOP Normal: E1 ATC Reactivity (1 per set): E2 BOP I/C (4 per set): E5&8 ATC I/C (4 per set): E3&4 SRO-I I/C (4 per set inc 2 as ATC): E3,4,5,& 8 SRO Tech Spec (2 per set): E1&4 ALL Major Transients (2 per set) E6