Puzzle:Underground Water Treatment Plant

How to fix the Underground Water Treatment Plant

Fixing the plant will give you another Achievement ("Underground Water Treatment Plant")

After escaping the fire, you will enter the plant and on the monitor you can see it's Initial state:

Turn off the 4 big flocculation pool pumps:

While the alarm still sounds, open all orange card doors (one will not open):

In the locker room you will find a green access card:

On the first floor, in men toilet room, inside the toilet there is a yellow access card (DON'T FLUSH THE TOILET!!!):

Stop the alarm (it's is annoying :) ):

Go to the second floor, to the control room and access it:

On the desk, yo will find the correct water flow and the water plant key:

To be continue.....