• Bristol RI wastewater treatment plant
  • wastwater treatment plant bristol
  • wastewater treatment plant
  • wastewater treatment plant bristol

Wastewater Treatment Plant Improvements

Bristol, Rhode Island

Prior to the commencement of this project, the Town of Bristol had last upgraded its wastewater treatment plant in 1986. The Town received $5.7M from SRF funding to facilitate the upgrades.

Headworks

  • Replacement of two grit removal blowers with variable speed drive units

Preliminary Treatment

  • Replacement of three primary sludge pumps, piping and appurtenances and incorporation of variable speed drives and controls.
  • Replacement of two primary clarifier longitudinal drives
  • Demolition of a tri output primary clarifier longitudinal collector and cross collector drive and replacement with two primary clarifier longitudinal drives and a cross collector drive
  • Replacement of  four longitudinal sludge collector mechanisms
  • Replacement of four scum collector troughs
  • Replacement of scum pit mixer, pump, piping and controls

Rotating Biological Contactors

  • Replacement/upgrade of rotating biological contactor drives, electrical wiring and control systems
  • Replacement of the influent and effluent weirs

Secondary Clarifiers

  • Replacement of two secondary clarifier mechanisms, drives and controls
  • Replacement of the baffle, launder and weirs
  • Demolition and replacement of the influent manhole concrete top slab
  • Installation of a weir washing system
  • Replacement of two influent and two effluent sluice gates
  • Replacement of scum pit mixer, pump, piping and controls
  • Replacement of the two secondary sludge pumps, piping and appurtenances. The new sludge pumps incorporate variable speed drives and controls

Chlorine Contact Tank

  • Replacement of two scum collector troughs
  • Replacement of scum pit mixer, pump, piping and controls
  • Replacement of the sodium hypochlorite distribution piping, valves and supports

Belt Filter Press Building

  • Mechanical, electrical and I&C rehabilitation and improvements to two existing belt filter presses
  • Replacement of the roofing system
  • Replacement of the HVAC make up air units, ductwork and controls
  • Miscellaneous electrical system improvements

Miscellaneous

  • Replacement of a standby engine/generator including all related appurtenances, electrical, mechanical, instrumentation and control
  • The installation a new supervisory control and data acquisition system
  • Improvements to the site drainage system to alleviate surface water runoff into tankage

Project Management Team