Sioux Falls Water Purification Plant – Thickening Tank Sludge Scraper Improvements

Project Number: 1006

Final Contract: $290,000

Actual Completion: 2011
Owner: City of Sioux Falls, South Dakota

Engineer: Howard R. Green

Project Details
  • 54 MGD Design Flow Capacity … Lime Softening Plant
  • Improvements to Existing Sludge Thickening Tanks 1 & 2 in Actiflo Complex
    • Removal & Replacement of Ten-Inch Sludge Piping
    • Placement of 350 CY of Reinforced Fill Concrete to Establish 3:12 Floor Slope
    • Installation of Two (2) Gear Supported Stainless Steel Thickener Mechanisms
      • 34’-10” square x 23’-6” side depth
      • 8-Inch Diameter Stainless Steel Torque Tube
      • Stainless Steel Collector/Scraper Arms