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Treatment Plant:

  • Modified existing Belt Filter Press polymer feed system into a polymer addition system for all 3 clarifiers to handle high flow events and to lower the flow pumped to Southbridge WWTF.

  • Replace Blower Motor #1 bearings

  • Change all oil in all Clarifier drive gearboxes.

  • Cleaned and recharged the Sandfilter process unit

  • Installed new motor bearings for Blower #1.

  • Troubleshoot and fix sand filter pit pump #1

  • Replace spent sand in sand filter with new sand.

  • Cleaned the Headworks, Septage and Sandfilter tanks

  • Cleaned, inspected and power-washed the Chlorine Contact Chambers 6 times.

  • Clean grit from Septage Tank 2 times.

  • Tested and calibrated the air and flow metering equipment

  • Replace packing for sludge pump #2

  • Rebuild Ferrous Chloride pumps and injectors 2 times

  • Rebuild vacuum pump for TSS analysis.

  • Annual maintenance for heating system – Tasse’s

  • Install new backwash pump for sand filter.

Rt-20 Pump Station:

  • Cleaned and inspected the wetwell tanks quarterly

  • Tested and calibrated the flow metering equipment

  • Insulate windows for winter to save heating cost

Pump Stations:

  • Cleaned and inspected all the pump station wetwells

  • Replaced the carbon media in all the odor control scrubbers

  • Replace pump at Old Farm Pump Station

  • Tested and calibrated all the pump station flow metering equipment

  • Unclog plugged injector to low pressure sewer main – Mt. Dan odor

control station.

  • Rebuild pump at Mt. Dan chemical station and install new discharge

tubing.

95

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