Bismarck Water Treatment Facility – Sludge Plant Expansion & Standby Power

Project Number: 0504

Final Contract: $10,100,000

Actual Completion: 2007
Owner: City of Bismarck, North Dakota

Engineer: AE2S

Project Details
  • 30.0 MGD Plant Capacity … 9.35 MGD Average Daily Flow
  • Sludge Plant Expansion
    • Construction of a New 28,000sf Cast-In-Place Concrete/Masonry Structure Supported on a Deep Foundation System
    • Consisting of Drilled Concrete Caissons Ranging in Size From 30” to 36” in Diameter
    • The Lower Level Gallery Floor Houses Two (2) 40’ Diameter Gravity Thickeners, Pump Room w/Three (3) Rotary
    • Lobe Pumps and Two (2) High Flow Low Pressure Pumps, Sludge Lift Station, Two (2) Truck Bays, Acid Storage
    • System, Generator and Mechanical Room
    • The Upper Level Operations Floor Houses the Administration/Locker Area, Walkway Access to Thickener Drives,
    • Dewatering Area Consisting of One (1) 260cf Plate & Frame Press and Allowance for a Future Press, and the Main
    • Electrical Switchgear Room
    • 2.25-MW Standby Emergency Engine Generator
  • Site Improvements
    • Sanitary Lift Station Retrofit
    • Numerous Utility Relocations, Temporary and Permanent Feeds Including Re-Route of 24” and 30” Water Supply
    • Lines, 480 Volt Power Supply and Major Fiber Optic Lines
    • Site Piping Improvements Ranging in Size From 8” to 30”
    • Site Grading, Sidewalks, Curb & Gutter, Concrete Drives Concrete Retaining Walls and Final Site Restoration