OW- Oily Waste Flashcards
What is the purpose of the OW system?
Collects and transports liquid waste from equipment and floor drains of the turbine building, the control building, the diesel generator buildings, the fire pump house, and the yard area
Collection point for an oil/water mixture at the oily waste separator, where the oil is manually skimmed and removed for proper disposal
How many sump pumps are utilized in the sumps of the OW system?
2 each
What is the purpose of the alternator on the plant sump pumps?
Changes the lead pump for each cycle to equalize running time and wear on the two pumps
Why is there flow orifices installed in the discharge of the sump pumps?
To balance the flow to control pump run-out during one or two pump operation
What system provides lubrication to the Control building sump pump’s intermediate and case bearing?
What about the Diesel Generator building sump pumps?
Demineralized Water
Domestic Water
What starts and stops OW sump pumps on high or low level?
Float-type level control switches (first set for pump control, second set for alarm)
The Turbine Building OW system sump pumps normally send waste to oil/water separator. Where else can waste be sent to?
Chemical Waste Neutralizer Tank or LRS Holdup Tanks when required by the presence of chemicals or radioactivity in the wastes respectively
Where is the water from the non-class battery room floor drain directed to? Class battery room floor drain?
An Acid Neutralizing Sump prior to draining to the north condenser area sump
an acid neutralizing sump prior to the east or west control building sump, respectively
Generally, what type of water is collected in the Turbine Building Sump?
From areas that have the highest potential for oil to be present
What waste is received in the North Condenser Area Sump?
From the north and west areas of the turbine building
Also receives drains from the CST pump house
What waste is received in the South Condenser Area Sump?
From the south and east areas of the turbine building
What drains are collected in the OW West Control Building sump? Why are EWHX tube side drains directed to OW?
‘A’ train side of the Control building
‘A’ & ‘B’ Essential Cooling Water Heat Exchanger Tube Side drains
to prevent excessive influent to the RD system
The East Control Building sump collects drains from which train?
‘B’ Train
What is different about the OW waste drains from the ‘A’ and ‘B’ Cable spreading rooms?
They do not flow to the control building sumps
These areas are each drained separately to the ground outside the Control Building
Security screens are provided on the outside outlets of these two drains
What collects in the East and West Diesel Building Sumps?
Where do the two sump pumps from each side discharge to?
East Diesel Building sump collects drains from the ‘B’ Train
the west sump collects drains from the ‘A’ train side of the Diesel Building
oily water separator