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Maintenance<= /p>

 

Maintenance functions include maintenance of the Waste= water Treatment Plant and equipment along with Collection System equipment (mainly lift stations). Maintenance activities include the application of a comprehensive Preventative Maintenance program (PM) and scheduled repairs.<= /p>

 

 

There are thr= ee main types of maintenance activities:

 

-     PM or preventative, whi= ch is scheduled through the Hansen Infrastructure

            Manag= ement System (to be implemented in 2009). Preventative maintenance  &n= bsp;         &nb= sp;                inclu= des scheduled weekly, monthly, quarterly, semi-annual maintenance.

 

= -      =    Scheduled Maintenance includes failures detected through the PM activity, problems detected by operator or maintenance perso= nnel throughout the operating period, and problems detected by Collection System personnel.

 

= -      =    Unscheduled Maintenance. Unscheduled maintenance is considered the removal, repair, and replacement of failed components.

 

The equipment PM cycle is initially based on manufactu= re recommendations and refined through the failure information and data analys= is from the data management system.

 

Predictive maintenance includes scheduled inspections, infrared thermal inspections, vibration analysis, oil analysis and sound le= vel measurements.

 

Scheduled equipment replacement is based on the failur= e rate and repair costs.

 

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