Waste Gas System

Question 1

At what pressure will the standby waste compressor operate?

Answer 1

Start at 2# and stops at 1.3#

Question 2

What is the minimum pressure you should see the stand by GDT at?

Answer 2

40# we release to 10# and put at least 30# of N2 in.

Question 3

What happens when the in service GDT reaches 100#

Answer 3

it will auto switch to the stand by GDT.

Question 4

Why do we put 30# of N2 in a tank before we make it the standby tank?

Answer 4

Designed to accept a high O2 gas without creating an explosive atmosphere

Question 5

What does 12-RRV-305 GDT Release Shutoff Valve do?

Answer 5

Maintains a constant pressure to RRV-306

Set at 5 #

Question 6

What auto closes 12-RRV-306?

Answer 6

Will close on high rad signal on VRS-1505 / 2505. or trip of U1 AX fan

Question 7

Where does the AOM take suction from?

Answer 7

The discharge of the WGC after the Moisture separator.

Question 8

What is the Hi and Extreme Hi O2 alarms on the AOM?

Answer 8

Hi 2.5%

Extreme Hi 2.7%

Question 9

When is the preferred time to do a gas release?

Answer 9

Day you have more air flow outside.

Question 10

Where does the AGA discharge to

Answer 10

Waste gas header

Question 11

Why are you not allowed to have 2 GTTs on cover gas at the same time?

Answer 11

So you don’t lose between two GDTs through the Recycle