Plants

Question 1

W1 water indicates what?

Answer 1

Potable water, finish water, drinking water

Question 2

W2 water indicates what?

Answer 2

backflowed, feeds chemical processes – non-potable due to potential chemical
contact

Question 3

At chalk bluff, in winter, due to demand, how many trains are used?

Answer 3

One train is used during winter. Doesn’t matter which one.

Question 4

In the summer, how many trains run?

Answer 4

Both need to run

Question 5

If the valve from bell needs to be closed, which basins does train 2 run?

Answer 5

It will run basins 5 and 6

Question 6

If valve from bell needs to be closed, which basins does train 1 run?

Answer 6

Basins 1 and 2, 3 and 4.

Question 7

In the flocculation basins, do the stages rpm (increase/decrease) the closer it gets to sedimentation

Answer 7

Stage 1 paddles faster, and slows down as it reaches sedimentation basin

• late stage has heavier flock.

Question 8

How does a Venturi meter work?

Answer 8

It works by measuring difference in pressure at to different locations. (Pressure pre, and post construction) — and difference in psi between

Question 9

Which part of the Chalk Bluff plant uses Venturi meters, and why?

Answer 9

The flow meters for the filters uses Venturi meters