ML060170029

Monticello, Technical Specifications, Minimum Test and Calibration Frequency for Core Cooling, Rod Block and Isolation Instrumentation

ML060170029
Person / Time
Site:	Monticello
Issue date:	01/12/2006
From:	Tam P S Plant Licensing Branch III-2
To:	Conway J T Nuclear Management Co
tam P S, NRR/DORL, 415-1451
Shared Package
ML060130041	List: ML053570161 ML060170029
References
TAC MC3692, TAC MC8972
Download: ML060170029 (2)

Text

Table 4.2.1 Minimum Test and Calibration Frequency for Core Cooling, Rod Block and Isolation Instrumentation Instrument Channel Test (3) Calibration (3) Sensor Check (3)ECCS INSTRUMENTATION

1. Reactor Low-Low Water Level Once/3 months (Note 5) Once/Operating Cycle -Transmitter Once/3 months -Trip Unit Once/i 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> 2. Drywell High Pressure Once/3 months Once/3 months None 3. Reactor Low Pressure (Pump Start) Once/3 months Once/3 months None 4. Reactor Low Pressure (Valve Once/3 months Once/3 months None Permissive)

5. Undervoltage Emergency Bus Refueling Interval Refueling Interval None 6. Low Pressure Core Cooling Pumps Once/3 months Once/3 months None Discharge Pressure Interlock 7. Loss of Auxiliary Power Refueling Interval Refueling Interval None 8. Condensate Storage Tank Level Refueling Interval Refueling Interval None 9. Reactor High Water Level Once/3 months (Note 5) Once/Operating Cycle -Transmitter Once/3 months -Trip Unit Once/12 hours 10. Reactor Low Pressure (Bypass Timer) Refueling Interval Refueling Interval None 11. Auto Blowdown Timer Refueling Interval Refueling Interval None ROD BLOCKS 1. APRM Downscale Once/3 months (Note 5) Once/3 months None 2. APRM Flow Variable Once/3 months (Note 5) Once/3 months None 3. IRM Upscale Notes (2,5) Note 2 Note 2 4. IRM Downscale Notes (2,5) Note 2 Note 2 5. RBM Upscale Once/3 months (Note 5) Once/3 months None 6. RBM Downscale Once/3 months (Note 5) Once/3 months None 7. SRM Upscale Notes (2,5) Note 2 Note 2 8. SRM Detector Not-Full-In Position Notes (2,9) Note 2 None 9. Scram Discharge Volume-High Level Once/3 months Once/3 months None 3.2/4.2 61 Amendment No. 2, 10, 37, 39, 63, 66, 81, 103, 101, 143, 144 6k Table 4.2.1 Continued Minimum Test and Calibration Frequency for Core Cooling, Rod Block and Isolation Instrumentation Instrument Channel Test (3) Calibration (3) Sensor Check (3)REACTOR BUILDING VENTILATION

& STANDBY GAS TREATMENT 1. Reactor Low Low Water Level Once/3 months (Note 5) Once/Operating Cycle -Transmitter Once/1 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> Once/3 months -Trip Unit 2. Drywell High Pressure (Note 10)3. Radiation Monitors (Plenum) Once/3 months Once/3 months Once/day 4. Radiation Monitors (Refueling Floor) Once/3 months Once/3 months Note 4 RECIRCULATION PUMP TRIP AND ALTERNATE ROD INJECTION 1. Reactor High Pressure Once/3 months (Note 5) Once/Operating Cycle -Transmitter Once/Day Once/3 Months-Trip Unit 2. Reactor Low Low Water Level Once/3 months (Note 5) Once/Operating Cycle -Transmitter Once/1 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> Once/3 Months-Trip Unit SHUTDOWN COOLING SUPPLY ISOLATION 1. Reactor Pressure Interlock Once/3 months Once/3 Months None SAFEGUARDS BUS VOLTAGE 1. Degraded Voltage Protection Once/month Quarterly Not applicable

2. Loss of Voltage Protection Once/month Once/Operating Cycle Not applicable SAFETY/RELIEF VALVE LOW-LOW SET LOGIC 1. Reactor Scram Sensing Once/Shutdown (Note 8)2. Reactor Pressure -Opening Once/3 months (Note 5) Once/Operating Cycle Once/day 3. Reactor Pressure -Closing Once/3 months (Note 5) Once/Operating Cycle Once/day 4. Discharge Pipe Pressure Once/3 months (Note 5) See Table 4.14.1 See Table 4.14.1 5. Inhibit Timer Once/3 months (Note 5) Once/3 Months CONTROL ROOM HABITABILITY PROTECTION

1. Radiation Monthly (Note 5) 24 months Daily I 3.2/4.2 63 Amendment No. 62, 63, 65, 89, 117, 143, 144