Oily Waste And Non Radioactive Waste

Question 0

What is the purpose of the ow system?

Answer 0

Provides a single collection point for an oil/water mixture at the oily water separator, where oil is manually skimmed and removed.

Question 1

Where does the ow system collect system waste from?

Answer 1

Turbine, control, DG, fire pump house and yard area.

Question 2

How are the sumps operated?

Answer 2

Local switch two pumps that alternate.

Question 3

What provides sump pump intermediate and case bearing lubrication for the control building?

Answer 3

Demineralized water

Question 4

What provides intermediate and case bearing lubrication for the DG building?

Answer 4

Domestic water

Question 5

What prevents the over pressurization of sump pump bearings?

Answer 5

Pressure control valves.

Question 6

What happens if the sumps receive a hi hi level?

Answer 6

Alarm in control room and second pump starts.

Question 7

How many turbine building sumps are there in the turbine ow system?

Answer 7

One

Question 8

How many condenser area sumps are there in the turbine bldg OW system?

Answer 8

2

Question 9

Where is the up discharge of the sump pumps directed if there is chemicals in the liquid?

Answer 9

Chem waste neut tank

Question 10

Where is the liquid from the discharge of the sump pumps directed if radioactive particles are detected?

Answer 10

LRS huts

Question 11

Where is water collected from the battery room in the switchgear building directed?

Answer 11

Acid neutralizing sumo before draining to the north condenser area sump.

Question 12

Where does the non class battery room neutralizing sump go?

Answer 12

North condenser area sump

Question 13

Where does the A train battery neutralizing sump drain to?

Answer 13

West control building sump

Question 14

Where does the B train battery room acid neutralizing tank drain to?

Answer 14

East control building sump.

Question 15

What is the normal position of the valve allowing the MTLO room floor drains to drain to the turbine building sump?

Answer 15

Normally locked closed.

If excessive leakage overflow can still be removed.
Used to contain large oil leaks.

Question 16

Where does the north condenser area sumo receive waste from?

Answer 16

North and west areas of the turbine building and CST pump house.

Question 17

Where does the south condenser area sumo receive waste from?

Answer 17

South and east areas of the turbine building.

Question 18

Where do the essential cooling water HX tube side drains go?

Answer 18

Raised floor drains…

Question 19

Where does the discharge of the three control building sumps go?

Answer 19

Oily waste separator.

Question 20

Where does the waste from train A and train B cable spreading rooms go?

Answer 20

Drained separately to the outside area

NOT to control building sumps.

Question 21

Where do the east and west diesel building sumps collect drains from?

Answer 21

There respective diesel building trains
B-east
A-west
2 sumps with 2 pumps

Question 22

Where does the discharge of the DG building sumps go?

Answer 22

Discharge of the control building sump. Then to ow separator.

Question 23

Where does the yard area ow system collect drains from?

Answer 23

Demin water storage tank/pumps
Aux boiler and gen area
Turbine building normal AHUs

Question 24

Where does the yard area ow system discharge to?

Answer 24

CW canal

Question 25

How many retention tanks are there and how are they operated?

Answer 25

2

One being filled then the other.

Question 26

Where is water from the retention tanks pumped to and what supplies the pump motor power?

Answer 26

Pumped to the evap ponds

Nh pumps