Bismarck Wastewater Trickling Filter Improvements

Final Contract: $16,500,000

Actual Completion: 2017
Owner: City of Bismarck, ND

Engineer: AE2S

Project Details
  • Trickling Filter Pump Station
    • Construction of New Trickling Filter Pump Station 21 MGD capacity
    • Deep Foundation System consisting of pipe piling
    • Unique Concrete project with mass concrete placements utilizing real-time temperature monitoring system.
    • Precast Building Erected by PKG
    • (6) 75 HP Vertical Turbine Solids Handling pumps
    • Process Piping, Valves, and Fittings 6” to 30” diameter
    • (4) 54” diameter Open Screw Pumps
  • Trickling Filter
    • Construction of 150’ diameter Trickling Filter
    • Deep Foundation Helical Pier System Installed by PKG
    • Aluminum Dome Cover erected by PKG
    • Installation of Owner furnished Trickling Filter Media
    • Installation of Owner furnished Rotary Distributor
  • Site Improvements
    • Site Piping Ranging in Size from 6” to 42” diameter.
    • Utilized Zinc coating system on buried ductile iron pipe.
    • Site required major dewatering due to groundwater.
    • Site Grading, Sidewalks, Curb & Gutter, Gravel roads.
  • General Items
    • Multiple Prime Project Electrical $1.4 million
    • Multiple Prime Mechanical $638 thousand
    • Owner Furnished Materials $1.4 million
    • PKG was awarded Phase 2 of the Upgrade $4.5 million