Maintenance Service Levels for Water Infrastructure
Problem Intervention Level Remedy Response Time
Pump Seal Failure On Failure Replace Seal Dependent upon Station and Pump Criticality
Pump Bearing Failure Bearing Noise noticable by Attendant or Maintenance Personnel Replace bearing Dependent upon Station and Pump Criticality
Pump Gross Failure On pump failure or significant pump flow reduction Major pump overhaul Dependent upon Station and Pump Criticality
Switchboard Fire 2 Yearly Maintenance Inspectionl Replace Failed Equipment Dependent upon Station Criticality
Motor Starter Failure On Failure Repair or Replace Starter Dependent upon Station and Pump Criticality
Motor Winding Burn Out Insulation Reading below 1 Meg Ohm Place heaters on Motor, Remove and wash windings Dependent upon Station and Pump Criticality
Motor Bearing Failure Bearing Noise noticable by Attendant or Maintenance Personnel Remove Motor and Replace Bearings Dependent upon Station and Pump Criticality
Electricity Supply Failure, Blown Pole Fuse On Failure Contact Ergon to Replace Fuse and Repair Holder if Required Dependent upon Station and Pump Criticality
Internal Pipework Blowout Corrosion Greater Than 50% of Wall Thickness Replace Pipework Dependent upon Station and Pump Criticality
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