Devils Lake Municipal Water Treatment Facility

Project Number: 0907

Final Contract: $4,700,000

Actual Completion: 2011
Owner: City of Devils Lake, North Dakota

Engineer: AE2S

Project Details
  • 3 MGD Rated Capacity
    • Firm Filtration Capacity of 3 MGD (2,100 gpm) & Maximum Filtration Capacity of 4 MGD (2,800 gpm)
  •  Iron & Manganese Removal Treatment Facility
    • Four (4) New Dual Media(Anthracite & Greensand) Gravity Filters … 288 SF Per Filter
      • Dual Parallel Lateral Air/Water Underdrains
      • Stainless Steel Air Wash Piping & Backwash Troughs
      • Air Wash Blower (30 HP) System for Combined Air-Water Backwash Function
      • Forced Draft Aerator System (64 SF of Surface Area)
    • New Chemical Feed Systems
      • Gaseous Chlorine
      • Liquid Sodium Permanganate
      • Fluoride
      • Phosphate
    • Three (3) New 60 HP High Service Pumps Assigned to City of Devils Lake Distribution
    • One (1) New 50 HP High Service Pump Assigned to Ramsey County Rural Water Distribution
    • One (1) New 75 HP Filter Backwash Pump
  • 500,000 Gallon Cast-In-Place Concrete Clearwell
  • 100,000 Gallon Cast-In-Place Concrete Backwash Reclamation Basin
  • 80,000 Gallon Cast-In-Place Concrete Detention Basin
  • 8,700 SF Precast Water Treatment Facility Structure
    • Precast Wall Panels Consisted of Architectural & Double Tee Wall Panels with a Flat Panel Hollow Core Precast Roof
    • System … Erection of All Precast Was Performed by PKG Crews
    • Administrative Area Including Control Room, Laboratory, Bathrooms & Locker Room
    • 22,000 Cubic Yards of Borrow Material for Site Fill & 7,000 Cubic Yards of Aggregate Surface Material
    • New Site Piping Ranging in Size From 6-Inch to 16-Inch
    • New Access Road, Sidewalks, Septic Tank w/Drain Field, Security Fencing & Gates
    • Mechanical System Consisting of Six (6) Water Source Heat Pumps & One (1) Double Walled Heat Exchanger
    • New 400 kW Diesel Generator w/Self-Contained Heated Enclosure
  • Improvements to Existing Facilities
    • Installation of a Flexible Sheet Baffle Wall System @ 3 Million Gallon Reservoir