Flow Through Turbidity Treatment

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Flow Through Turbidity Treatment Using Alum
Pam At The Orlando International Airport Project
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Rim-ditch Dewatering Next To Active Runway
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Rim-ditch Discharges To Existing Stormwater
Detention Pond
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Influent Turbidity Ranged Between 800-1200 NTUs
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Existing Stormwater Pipe Used To Create Baffle
Flow
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Alum Drip Tank With Control Valve
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Alum Drip On Influent At 50 Gal/Day
PAM Floc Log Used To Bind Up Free Aluminum
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Sand Bags Used To Create Baffle Flow In Pipes
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Alum Floc Forming After 1st Baffle Turn
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Turbidity Decreased To 11 NTUs After 1st Baffle
Turn
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Outfall To Wetland
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Outfall To Wetland Clear Discharge
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Final Discharge 10-15 NTUs
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pH 6.5
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Resource Protected
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Any Questions?
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Treatment System Performance System Usage 90
Days Daily Volume 1,920,000 Gallons Total
Pumping Volume 173 Million Gallons Alum
Usage 50 Gal / Day (4500 Total) Treatment
System Size 600 x 16 Ft. (Existing
pipe) Turbidity Reduction (NTU) gt900 (Inflow) 15
(Outflow) Turbidity Reduction 98
Contractors System Cost lt 1,000 To Protect
(gt23 Million Project) Time Lost Due To
Non-Compliance NONE!
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Contractor Hubbard Construction Contact Jeff
Forsythe [phone]