Over Head Water Tank

1. PURPOSE

1. It is established to provide a proper procedure for the storage of raw water.

2. SCOPE

1. It is applicable in every department of the factory

3. RESPONSIBILITY

1. Maintenance officer (Mechanical / Electrical)
2. Maintenance Supervisor (Mechanical / Electrical)

4. PROCEDURE


CLEANING:

1. Switch OFF the turbine and isolate main power supply.
2. Disconnect the automatic water level system and put it out from the tank.
3. Drain the water from the tank.
4. Before going to start internal washing of the tank make sure that the tank is empty.
5. Start washing with raw water.
6. Detergent, sand paper, brushes etc. will be used to remove stain if found.
7. After cleaning the tank properly fill the tank twice with water and drain it. This step will remove the detergent, particle etc. from the tank.
8. Fill the tank with water and send request for analysis to Quality Control.






Q.C Inspector will take the sample to perform required analysis.
When water analysis will O.K main water transfer valve of the tank will be opened for the routine usage after receiving the Q.C release.
Note: If results not found satisfactory, washing the tank will be done again by draining and re-filling of water.
This process will remain continue till the satisfactory results.