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TOWN OF MAYNARD WASTEWATER TREATMENT FACILITY UPGRADE, MAYNARD, MA

Owner: Town of Maynard, MA
Engineer: Brown & Caldwell
Contract Amount: $9,156,129
Start Date: September 2009

This project is designed to provide new facilities for phosphorus removal treatment including:
  • Secondary effluent pumping station
  • A ballasted flocculation process including fabricated steel reaction tanks, rectangular clarifiers, sludge pumping systems and chemical storage and feed systems
Existing process modifications include:
  • New headworks systems including new mechanically cleaned bar screen, new grit pumping and grit classification
  • Primary sludge pumps will be replaced as well as two of three primary clarifier chain and flight sludge collectors
  • Replace two rotating biological contactors
  • Improvements to solids handling treatment
  • Replacement of entire plant electrical system
  • Conversion of chemical storage building to a new main electrical feed room
  • New SCADA system installed to provide operational control and data acquisition capabilities

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