SOP for Maintenance and Cleaning of Cooling Towers

1.0 OBJECTIVE

To lay down the procedure for cleaning of cooling towers.

2.0 SCOPE

This SOP shall be applicable for cleaning of cooling towers.

3.0 RESPONSIBILITY

Operator/Officer

4.0 ACCOUNTABILITY

Head of Engineering

5.0 PROCEDURE 

5.1 CLEANING OF COOLING TOWERS

5.1.1 Ensure cooling tower is OFF at the time of cleaning.
5.1.2 Close inlet and outlet valves of the cooling tower.
5.1.3 Drain the water from cooling tower sump.
5.1.4 Remove side louver.
5.1.5 Use a nylon brush to remove algae from louvers and cooling water pump.
5.1.6 Clean the sump with dry cloth.
5.1.7 Close side louver, open the inlet valve.
5.1.8 Ensure water is coming into the sump. Close the drain valve completely.
5.1.9 After filling, cooling tower sump ballcock will close automatically.
5.1.10 Open outlet valve of the cooling tower.
5.1.11 Frequency for cleaning of cooling tower is monthly or as and when required.

5.2 MAINTENANCE OF COOLING TOWERS

5.2.1 Preventive maintenance of the cooling towers to be done as per the preventive maintenance checklists.
5.2.2 Frequency for preventive maintenance of cooling tower is monthly.

6.0 ABBREVIATION

6.1 SOP: Standard Operating Procedure

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