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Elk River Water Distribution Maintenance Program Rev.4 12-22-06 <br /> 1 Water Map <br /> a Up-date for New Developments (Level of Detail-- Tee,Elbow,Distance To Property Line,Depth) <br /> b Locate All Past Leaks and Trouble Areas <br /> c Develop &Maintain Pressure/Flow Model <br /> d Maintain State of Minnesota Annual Inspection Forms <br /> e Distribution Leak Survey every 5 Years if water losses justify <br /> f Locate&maintain water service location records <br /> 2 Wells <br /> a Inspect Wells&Filter Plants Daily <br /> b Test 1 Well per Year for All SDWA Listed Contaminants <br /> c Read Drawdown Monthly for Each Well <br /> d Pull&Inspect Pump&Motor,Each Well no Latter than Every 8 Years(10,000 Hr) or 1 Well Every <br /> other Year <br /> e System Sampling for Bacteria and Fluoride Concentrations on a Regular Schedule <br /> f Maintain Daily Pumping Records with Chemicals Used <br /> 3 Valves <br /> a Locate Valves on Valve Cards with Manufacture,Date,Type,&GPS location <br /> b Chart Showing Valve Size Vs Number of Turns to Open <br /> c Annual Maintenance <br /> Check Condition of Road Box or Manhole <br /> Exercise Valve <br /> 4 Hydrant <br /> a Number All Hydrants per Quadrants of Elk River <br /> b List Number,Location,Type,Manufacture,Date,Valve size and type, Static Pressure,Residual <br /> Pressure,Flow,Flow @ 20 psi <br /> c Last Painted <br /> d Inspected for Frozen Barrel <br /> e Annually Flush All Hydrants, Flush Dead Ends 3 Times per Year <br /> 5 Water Towers/Filter Plant Booster Stations <br /> a Back-flush Schedules&filter maintenance a Inspect Weekly <br /> b Inspect Towers for External Damage b Run Pumps monthly <br /> c Inspect Towers for Internal Damage Annually c Adjust PRV per system <br /> requirements <br /> d Cathodic Protection Readings Monthly <br /> e Filter Plant Lubrication(valves,bearings ect) As Needed <br /> 6 Meters <br /> a Meter Number with Size,Type,Manufacture,Date,Meter Index,Location <br /> b Large Meter Testing Program,Once Every 5 Years <br /> c Small Meter Change Out Program,No Meter Older Than 25 Years <br /> d Inspect and seal new water meter installations <br /> 7 Backflow Prevention Program <br /> a Continue implementation of Establish Written Program with City Building Official <br /> 8 Telemetry System—SCADA <br /> a Inspect Instrumentation Annually <br /> b Inspect Radio w/Battery Back-up Monthly <br /> c Spare Parts List from System Control Services <br /> d Keep Pumping and Tower Level Information for Future Reference <br />