Puzzle:Underground Water Treatment Plant
How to fix the Underground Water Treatment Plant
Fixing the plant will give you another Achievement ("Reserve : Supply the city with fresh water")
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:
Find this place and go to the hidden valve room using this path:
Open the valve of SEWER PIPE 03:
Find and unlock the Raw water pool door:
And open RAW WATER to COAGULATION valve:
So far the screen must look like this:
Find the Flocculation start button and push it to start:
And the screen must look like this now:
To be continue.....