Reno Sewer Lift Station Replacements

Upgrade (4) sanitary sewer lift station include bypass pumping of each system as the dry and wet wells are replaced with new  wells,  pumps, mixers and generators.  Also includes new sanitary sewer gravity flow lines, force main lines, valves and access vaults.

  • Cost: 5,895,700
  • Owner: City of Reno
  • Designer: Stantec
  • Construction Period: 11/15 - 06/16

Design-Build Selenium Treatment System Phases I & II

Smoky 1Phase I – Construct a 250gpm pilot treatment system (expandable to 2,000 gpm) utilizing a fluidized bed reactor high rate biological reduction process and an ultra-filtration reverse osmosis (UF/RO) pretreatment system to remove selenium to a rate of -0.005mg/L from South Fork Sage Creek and Hoopes Springs.

Phase II – Supply, deliver, and install  a 2,000-GPM “turnkey” supplied UF/RO Selenium  Treatment System.  Project includes  concrete, mechanical, HVAC, ventilation for Frontier Bioreactors, electrical, and instrumentation and controls.

  • Cost: 15,362,020
  • Owner: JR Simplot Company
  • Designer: Stantec
  • Construction Period: 02/2014 - 12/2017

Twin Falls WWTP Improvements

Twin Falls 01Construct new 16mgd Integrated Fixed-Film Activated Sludge (IFAS) treatment facility including new aeration basin, turbo blowers with building, secondary clarifier, RAS pump station, backup generator, and site improvements and demolition.  Modify the existing RAS, four (4) existing aeration basins, UV disinfection facility, and plant water pump system.

  • Cost: 18,599,216
  • Owner: City of Twin Falls
  • Designer: CH2MHill
  • Construction Period: 06/2014 - 05/2016

Pocatello WPCF Phase I Improvements

DCIM104MEDIAMAX_0023.JPGModify existing aeration basins providing new aeration piping, gates, instrumentation, airflow meters, mixers, and valves; Construct a new mixed liquor recycled pumping station; Modify existing control structure at the Biosolids Storage Lagoon; Modify the existing Disinfection Building into a new Chemical Building; Construct new UV Disinfection Building and Filtration Building; Install  Owner-furnished fine screens, washer compactor, and ultraviolet disinfection equipment; Perform all associated yard piping, civil, structural, mechanical, plumbing, electrical and instrumentation work.

  • Cost: 19,594,963
  • Owner: City of Pocatello
  • Designer: HDR
  • Construction Period: 06/2015 - 02/2017

UASB and Process Wastewater Improvements

USAB ProcessUpgrade an industrial wastewater treatment plant including new 70’ primary clarifier, 140’ secondary clarifier with associated RAS/WAS building and lift station for sludge processing.

  • Cost: 8,386,450
  • Owner: Private
  • Designer: T.O. Engineers
  • Construction Period: 02/2018 - 11/2018

American Falls WWTP Improvements

A Falls Cells 2Demolish 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.

 

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  • 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: 15,594,385
  • 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