Big Sky WRRF Improvements – Phase 1

Construct new Headworks and Membrane Bioreactor (MBR) buildings and treatment process basins. Convert one existing Sequencing Batch Reactor (SBR) basin into two Anerobic Digesters, and one SBR tank into a flow equalization tank. Install mechanical including plumbing, process and site piping, equipment installation, HVAC, and fire protection; and  electrical including new MCC, backup generator, SCADA instrumentation and controls.  Site-civil work includes yard pipe, landscaping, and a soldier pile engineered retaining wall.

  • Location: Big Sky, Montana
  • Cost: $41 Mil
  • Owner: Big Sky County Water & Sewer District No. 363
  • Designer: AE2S
  • Construction Period: 04/21 – 07/23