Preventive Maintenance Checklist: WATER TREATMENT SYS (CHLORINATION SKID) - Monthly

• Site conducted

• Conducted on

  Date

• Prepared by

• Location
  Address

• Work Order Number

(T)ools, (S)afety Equipment and (M)aterials

• Mechanics tool set

  Yes

  No

  N/A

• Torque wrench

  Yes

  No

  N/A

• Chemicals. (Sodium Hypochlorite, Calcium Hypochlorite)

  Yes

  No

  N/A

• Cleaning materials

  Yes

  No

  N/A

• Hydrochloric acid solution

  Yes

  No

  N/A

Safety Guidelines

• Chemicals must comply with the Environmental Protection Agency (EPA) regulations and handled in accordance with occupational safety requirements. a. Chemicals shall be certified as per ASNI/NSF Standard 60.

  Yes

  No

  N/A

• Employ personal protection against corrosive or hazardous treatment chemicals as appropriate.

  Yes

  No

  N/A

• Be familiar with the Material Safety Data Sheets of any chemicals used in the water treatment<br>program.

  Yes

  No

  N/A

• Water treatment specialists must be properly trained.

  Yes

  No

  N/A

• Water treatment must be based on proven standard engineering practices.

  Yes

  No

  N/A

• Follow treatment as directed by manufacturer or water treatment company.

  Yes

  No

  N/A

• Maintenance includes chemicals, chemical feeding, maintaining proper water conditions, controlling bleed off, protecting idle equipment, and record-keeping.

  Yes

  No

  N/A

• Ensure chemicals are properly stored, test equipment clean, and that chemicals have not passed expiration date.

  Yes

  No

  N/A

• Perform maintenance and tests according to the manufacturer's test procedures and standard<br>values.

  Yes

  No

  N/A

• Maintain records and test results in the equipment maintenance log.

  Yes

  No

  N/A

• Exercise caution when climbing access ladders.

  Yes

  No

  N/A

Maintenance Procedures

• Review daily logs for trends

  Yes

  No

  N/A

• Check chemical levels in the chemical addition tanks. Adjust if necessary

  Yes

  No

  N/A

• Check system for any signs of leakage

  Yes

  No

  N/A

• Check all tubing for tightness

  Yes

  No

  N/A

• Wipe down all equipment

  Yes

  No

  N/A

• Service the metering pumps

  Yes

  No

  N/A

• Check the pump diaphragm for damage

  Yes

  No

  N/A

• Check chemical seepage at vent hole

  Yes

  No

  N/A

• Check that the discharge tubing is connected firmly to the liquid end

  Yes

  No

  N/A

• Check that the liquid end is generally watertight (especially vent hole)

  Yes

  No

  N/A

• Check for correct feed: run the Beta run for a short period (press both arrow keys together)

  Yes

  No

  N/A

• Check electrical connections for wear

  Yes

  No

  N/A

• Check that liquid end screws are fastened tightly to a torque of 4.5 to 5 Nm

  Yes

  No

  N/A

• Clean and calibrate the chlorine and pH sensors

  Yes

  No

  N/A

• Glass sensors should be soaked in a dilute 1% Hydrochloric acid solution for several hours with<br>periodic gentle brushing then rinsed with water. The steps are the same for most membrane<br>sensors, but the electrolyte must be replaced after cleaning.

  Yes

  No

  N/A

Maintenance Hours

• Estimated time spent on work order?