Oily Waste And Non Radioactive Waste Flashcards
What is the purpose of the ow system?
Provides a single collection point for an oil/water mixture at the oily water separator, where oil is manually skimmed and removed.
Where does the ow system collect system waste from?
Turbine, control, DG, fire pump house and yard area.
How are the sumps operated?
Local switch two pumps that alternate.
What provides sump pump intermediate and case bearing lubrication for the control building?
Demineralized water
What provides intermediate and case bearing lubrication for the DG building?
Domestic water
What prevents the over pressurization of sump pump bearings?
Pressure control valves.
What happens if the sumps receive a hi hi level?
Alarm in control room and second pump starts.
How many turbine building sumps are there in the turbine ow system?
One
How many condenser area sumps are there in the turbine bldg OW system?
2
Where is the up discharge of the sump pumps directed if there is chemicals in the liquid?
Chem waste neut tank
Where is the liquid from the discharge of the sump pumps directed if radioactive particles are detected?
LRS huts
Where is water collected from the battery room in the switchgear building directed?
Acid neutralizing sumo before draining to the north condenser area sump.
Where does the non class battery room neutralizing sump go?
North condenser area sump
Where does the A train battery neutralizing sump drain to?
West control building sump
Where does the B train battery room acid neutralizing tank drain to?
East control building sump.
What is the normal position of the valve allowing the MTLO room floor drains to drain to the turbine building sump?
Normally locked closed.
If excessive leakage overflow can still be removed.
Used to contain large oil leaks.
Where does the north condenser area sumo receive waste from?
North and west areas of the turbine building and CST pump house.
Where does the south condenser area sumo receive waste from?
South and east areas of the turbine building.
Where do the essential cooling water HX tube side drains go?
Raised floor drains…
Where does the discharge of the three control building sumps go?
Oily waste separator.
Where does the waste from train A and train B cable spreading rooms go?
Drained separately to the outside area
NOT to control building sumps.
Where do the east and west diesel building sumps collect drains from?
There respective diesel building trains
B-east
A-west
2 sumps with 2 pumps
Where does the discharge of the DG building sumps go?
Discharge of the control building sump. Then to ow separator.
Where does the yard area ow system collect drains from?
Demin water storage tank/pumps
Aux boiler and gen area
Turbine building normal AHUs
Where does the yard area ow system discharge to?
CW canal
How many retention tanks are there and how are they operated?
2
One being filled then the other.
Where is water from the retention tanks pumped to and what supplies the pump motor power?
Pumped to the evap ponds
Nh pumps
