Preventive maintenance of Water Treatment plant

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  • OBJECTIVE:

To describe a procedure for the Preventive maintenance of Water Treatment Plant.

  • SCOPE:

This SOP is applicable for preventive maintenance of Water Treatment Plant

  • RESPONSIBILITY:

Assistant Engineer/Above shall be responsible for implementation and compliance of this SOP.

  • ACCOUNTABILITY:

Manager – Engineering/ Manager – Production/ Head-QA shall be accountable for implementation and compliance of this SOP.

ATTACHMENTS:

Preventive maintenance checklist of Water Treatment Plant                     -Attachment-I

  • PROCEDURE:
    • Preparation of preventive maintenance plan:
      • Inform the concern person before starting preventive maintenance.
      • Ensure that no activities are carried out in the respective machine.
      • Ensure that the respective system electrical supply is switched “OFF”
      • Before carrying out the preventive maintenance display status board as “UNDER PREVENTIVE MAINTENANCE” on the electrical panel and machine.
    • FREQUENCY:
      • Quarterly
    • CHECKLIST:
      • Check all electrical terminals of main supply and panel for any loose wiring.
      • Check water feed pumps motor for tight connections. Check motor load current.
      • Check motor shaft and pump impeller smooth rotation.
      • Replace gaskets, where applicable
      • Check and lubricate bearings and nut bolts for wear and tear where applicable.
      • Check dosing pumps for proper working. Clean attached pipes with hot water.
      • Check temperature controllers and sensors of RO water tank and and purified water tanks
      • Check heater , temperature controller and sensor of double jacketed water tank for proper working. Check thermo oil level in tank and top-up ,  if required .
      • Tight pipe line connections to avoid water leakages.
      • Check valves for proper working.
      • Start and run the plant in Auto/ Manual mode.
      • Check for any abnormal noise in the machine.
    • Remove the “UNDER PREVENTIVE MAINTENANCE” status board from the machine and the respective electrical panel.
    • Affix the Preventive Maintenance Status on machine as per Attachment– I of SOP/EN/003
    • Operator/Junior Engineer/ above shall update the activity in respective attachment of SOP for Preventive Maintenance of Water Treatment Plant(SOP/EN/017)
  • REFERENCES:

        In-house

ABBREVIATIONS:

SOP : Standard Operating Procedure

Engg.: Engineering

  • DISTRIBUTION LIST:

Quality Assurance

Production

Engineering

   HISTORY OF REVISION:

Version No.
 Effective Date Reason for Revision

Attachment – I

Preventive Maintenance Checklist of Water Treatment Plant

Area:                                                                                                                                        

ID No:                                                                                                                                            Date:

Frequency:

Sr. No.

Particulars

 Status
Check all electrical terminals of main supply and panel for any loose wiring.
Check water feed pumps motor for tight connections. Check motor load current.
      3. Check motor shaft and pump impeller smooth rotation.
      4. Replace gaskets, where applicable
      5. Check and lubricate bearings and nut bolts for wear and tear where applicable.
      6. Check dosing pumps for proper working. Clean attached pipes with hot water.
      7. Check  temperature controllers and sensors of RO water tank and and purified water tanks
      8. Check heater ,  temperature controller and sensor of double jacketed water tank for proper working. Check thermo oil level in tank and top-up ,  if required .
9. Tight pipe line connections to avoid water leakages.
      10. Check valves for proper working.
      11. Start and run the machine in Auto/Manual mode.
      12. Check and observe the machine for its normal working.

Done By:                                                                                            Checked By:

 

SOPs