Per SLC 16.7-8 (Groundwater Level) what is the required action if the rate of rise of groundwater level is > 0.5 foot per hour for > 1 hour?
Be in MODE 3 within 1 hour
AND
Be in MODE 5 within 31 hours
What occurs with the turbine building sump pumps on an Emergency High level (14’)?
All pumps will start regardless of their switch position
What occurs on a trip 2 signal on EMF-31(TURBINE BUILDING SUMP MONITOR)?
ALL associated turbine building sump pumps secure until overridden.
Purpose of the Groundwater Drainage System (WZ) system?
Relieves hydrostatic pressure from the Containment Building, Auxiliary Building, and Turbine Building by discharging groundwater collected in sumps.
Which WZ sump pumps are safety related?
Aux A1 & B2 Sump Pumps are safety related.
Per SLC 16.7-8 (Groundwater Level) what is the required action if the Rate of rise of groundwater level is > than or equal to 0.3 foot per hour?
————–NOTE————-
Required to be performed when groundwater level
reaches the top of floor slab.
————————————
- Determine rate of rise of groundwater level Once per 30 minutes
Per SLC 16.11-5 (Chemical Treatment Ponds), what is the required action if the Quantity of radioactive material in any CTP (Chemical Treatment Pond) is exceeding the limits?
Immediately Suspend all additions of radioactive material to the CTP.
AND
Immediately Initiate corrective action to reduce the CTP contents to within limits.