Emmett WWTP Secondary Treatment Repairs

Emmett 1Construct three new concrete aeration basins and clarifiers, two scum skimmers, influent splitter box, effluent weir, and power/controls, install two pre-purchased collector mechanisms and owner supplied aeration piping, clarifier equipment, gates, valves, wiring, and controls. 

  • Cost: $1,726,000
  • Owner: City of Emmett
  • Designer: Brown and Caldwell
  • Construction Period: 07/2013 - 02/2014

American Falls WWTP Improvements

Demolish the RBC building, primary and secondary sludge pump stations, primary and secondary clarifiers, trickling filter, sludge drying beds, miscellaneous piping, equipment and ancillary structures. Construct new headworks building, membrane bioreactor building (MBR), process building and basins, and solids handling building.

 

  • Cost: $12,376,000
  • Owner: City of American Falls
  • Designer: Keller Associates
  • Construction Period: 01/2012 - 12/2013

West Boise WWTF Phosphorus Removal

Final WB WWTP (1)

New thickening facility that includes fermentation tanks, polymer preparation, sludge thickening, and sludge pumping. Installation of (4) rotary screen thickener units procured by owner. Construct a new waste activated sludge orthophosphate release facility. Convert the existing aeration basins to provide enhanced biological phosphorus removal. Modify the existing ferrous chloride pump. Updgrade the existing primary clarifiers and add a fourth RAS pump to the existing south plant RAS pump station. Replace the existing south plant RAS pipeline and interconnecting the south plant and north plant.

  • Cost: $16,486,654
  • Owner: City of Boise
  • Designer: CH2MHill
  • Construction Period: 09/2013 – 09/2015

Highway 10 Pump Station

DPR Pump StationFurnish and install a waste water pump station including a cast-in-place concrete dry/wet well tank built within a 32-ft deep excavation, and an above-ground building with cast-in-place foundation walls and slab-on-grade base to support the precast-panelized walls and roof. The building includes a pump room with sewage pumps, controls, piping, electrical, and a 23-ft steel stair tower to access the deep pump room.

  • Cost: $3,564,400
  • Owner: Dakota Prairie Refining, LLC
  • Designer: Bartlett & West
  • Construction Period: 04/2014 – 11/2014

Process Water Treatment & Return Plant Phase I & II

20140414 Final Completion 2Phase I – Install concrete including building, tanks, footings, walls, slabs, equipment pads, sidewalks, and exterior pads, mechanical process piping and plumbing and supply  two metal buildings. Phase II – Install plumbing, process mechanical equipment, process piping, valves and fittings for the Blancher Surge, Primary Clarifier Scum Overflow, Centrifuge Building  and Screen Building Systems.

  • Cost: $6,086,000
  • Owner: Private
  • Designer: CDM Constructors, inc
  • Construction Period: 06/2012 – 06/2014

Caldwell WWTP Improvements

Caldwell Final Comp 3Construct new aeration basin with flow splitting structure, final clarifier, scum box, and groundwater underdrain pump station, modify existing blowers, install new blower,  digester sludge circulation pump, hypochlorite facility with injection vault, fine screen and influent inclined screw pump, owner furnished equipment, associated valves, piping (including and chemical treatment piping and equipment), and appurtenances, HVAC, electrical, instrumentation, and site work. Owner requested additional work included emergency generator system, stainless steel digester gas piping, plumbing, vortex grit mechanism, stainless steel gates, and piping modifications.

 

  • Cost: $5,781,000
  • Owner: City of Caldwell
  • Designer: MWH Engineering
  • Construction Period: 11/2007 – 12/2009

Oxbow Wastewater Treatment Facility

371 Final cropped reduced file

Construct headworks building, primary lift station, membrane bioreactor (MBR) building with equipment and basins, process and scour air blower facilities, non potable water booster pump station, ultraviolet light disinfection, solids dewatering building comprised of a belt filter press and load out area sized for 2 MGD expandable to 8 MGD, maintenance building, administration building, a reuse water wet well for a future Class A reuse, wastewater pump station, and a standalone 2000KW standby power generation facility.

  • Cost: $20,612,000
  • Owner: EIRWWA
  • Designer: Forsgren Associates, Inc
  • Construction Period: 07/2008 - 01/2010

Filer Wastewater Treatment Plant Improvements

Filer WWTP completedNew WWTP including influent lift station, screening, biological treatment, membrane bioreactors (MBR), UV disinfection, biosolids and dewatering, laboratory, site work, and related items.

  • Cost: $10,545,000
  • Owner: City of Filer
  • Designer: JUB Engineers
  • Construction Period: 03/2010 - 09/2011

Teton Valley Regional WWTP

Teton Aeration testExpand and remodel existing headworks building, and public works shop building.  Construct  new laboratory, office space,  primary lift station, operations building, MSABP biological treatment system, flash mix, flocculation and plate settler basins, drain lift station, and  disc filter UV disinfection building, install new screen and washpactor equipment, associated yard piping, landscaping, electrical and controls.

 

  • Cost: $5,070,000
  • Owner: City of Driggs
  • Designer: Aqua Engineering
  • Construction Period: 07/2012 – 11/2013

Big Sandy Wastewater Improvements (Phases 2 and 3)

Construct new lined primary lagoon cell and storage lagoons, aeration and UV disinfection building, install aeration and UV disinfection equipment, force main and sanitary sewer main, pivot irrigation system, fencing, mechanical and electrical.

 

  • Cost: $3,286,000
  • Owner: City of Big Sandy
  • Designer: Stelling Engineers, Inc
  • Construction Period: 04/2013 - 11/2013