Point Washington Wastewater Treatment Plant Digester #4


  • Project included the design and construction of a new 730,000 gallon aerobic digester, complete with concrete storage tank, air diffuser system, 200 HP blowers, sludge transfer pump system and access platform located in Pont Washington, Florida.
  • Project responsibilities included, but were not limited to:
    • Detailed engineering and design
    • Regulatory permitting
    • Development of project specifications and bid packages
    • Solicitation of material and construction bids
    • Review contractor and material supplier pre-qualifications and award contracts
    • Construction supervision/management, inspection and certification
  • Project Summary:
    • Site grading and testing
    • Two (2) new 15 horsepower sludge transfer pumps
    • Sludge transfer piping and valves
    • 730,000 gallon concrete process tank
    • Demolition and re-purposing of existing steel sludge transfer piping
    • 1,200 linear feet of new 8-inch (8”) steel transfer piping
    • Aluminum access stairs and operations platform
    • Two (2) 200 HP blowers and integrated controls
    • Blower building (rated at 140 MPH)
    • Coarse air diffuser system and air piping
    • System process and control integration
    • Engineering Schedule: 8 weeks
    • Construction Schedule: 12 weeks
    • Approximate Project Cost: $1,200,000

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