Lube Oil Storage and Transfer

Question 1

What is the purpose of the OS system?

Answer 1

Remove contaminants from the MTLO and feed water pump turbine lube oil to maintain the required lube oil quality

provides lube oil storage for makeup and storage during outages

Also transfers/recircs lube oil from the storage tanks to the MTLO reservoir and feed water pump turbine lube oil reservoirs and between the reservoirs and the lube oil conditioner

Question 2

What is the capacity of the LO storage tanks?

Answer 2

20,000gallons

Question 3

What powers the lube oil transfer pumps?

Answer 3

NH

Question 4

What does IA do for the OS system?

Answer 4

Provides air to the OSHA cover interlock control panel pressure instruments

Question 5

Which LO tank is dirty?

Answer 5

‘B’

Question 6

How are the storage tanks sized?

Answer 6

To hold entire contents of both lube oil subsystems plus a contingency for oil in the process piping

Question 7

Where is the lube oil transfer pump located?

Answer 7

next to the lube oil storage tanks

Question 8

What type of pump it the LOST pump?

Answer 8

Rotary

Question 9

How is the pump located?

Answer 9

Manually from the hand switch at the pump and tank.

Question 10

What is the purpose of the MTLO conditioner?

What rate does it purify at?

Answer 10

Removes water and particulates from the main turbine lube oil by filtering action

30/gal min or 20% per hour of the MTLO normal operating capacity (11000 gallons)

Question 11

Which filter has a sight glass on the main lube oil conditioner?

Answer 11

Filter #2