PREVENTIVE MAINTENANCE OF WATER TREATMENT PLANT

1. OBJECTIVE

         To lay down the procedure for preventive maintenance of water treatment plant.

• SCOPE

         This SOP is applicable for preventive maintenance of water treatment plant.

• RESPONSIBILITY

Water system operators/ Engineers

:

To follow the procedure

• ACCOUNTABILITY

Head Engineering                                   :    System Compliance

• PROCEDURE:
  • STARTING PROCEDURE:
  • Engineering/Technician/Designee shall take approval prior to perform thePreventive

          Maintenance activity of scheduled equipment from Concerned Department Head.

• As perPreventive Maintenance schedule take the machine under maintenance and put the “Under Maintenance” of “Preventive Maintenance” board on the machine.
  • Ensure the main power supply of system shall be switch OFF. If switch ON, then switch OFF the main power supply.
  • Procedure/Checkpoints during Preventive Maintenance:
  • Check all the electrical connections and tighten the same if required.
  • Check the compressed air pressure at pressure gauge and ensure that it should be NLT 4 Kg/cm² without any leakage.
  • Clean the panel with the help of blower or compressed air.
  • Check all pneumatic valves for proper functioning.
  • Check the motor terminal connections of all the pumps and tighten the same.
  • Check all the level sensors of the tank for their proper installation.
  • Check all the dosing and regeneration tanks for proper cleaning and clean if required.
  • Check the resin level (above middle level) in softener and top up if required.
  • Switch ON the main power supply of the machine and check the supply voltage 415±5V with the help of Multimater/clamp meter.
  • Check the current drawn by all the pump motors with the help of clamp meter.
  • Check all the dosing pumps for proper functioning.
  • Preventive Maintenance shall be done and same shall be recorded.
  • After completion of Preventive Maintenance ensure the area around the system should be cleaned properly and record the Preventive Maintenance activity in respective Equipment Log Book.
  • Remove the “Preventive Maintenance” or “Under Maintenance” Board from the system.
  • Take the trial of the water system for proper functioning and after ensuring the proper operation of system, hand over the system for routine use.
  • Frequency:
  • Monthly
  • Half Yearly.

       TRAINING

Trainer   : Head – Quality Assurance& Engineering Department.

            Trainees : Engineering- Executive & Supervisors. 

       DISTRIBUTION

Master Copy                     :          Quality Assurance Department

Controlled Copy               :          Engineering Department  

Display Copy                    :          Engineering Department (If Required)

  8.0    ATTACHMENTS

Sr. No.	Annexure No.	Title	Format No.
1	NA	NA	NA

•  REFERENCES      

In-house

10.0 ABBREVIATION

Abbreviation	Extended Form
EG	Engineering
SOP	Standard Operating Procedure
QA	Quality Assurance
NA	Not Applicable

11.0 REVISION HISTORY OF CHANGE

Sr. No.	Date	Revision Details	Revision No.