flow through turbidity treatment using alum & pam at the orlando international airport project
TRANSCRIPT
Flow Through Turbidity Treatment
Using Alum & Pam At The
Orlando International Airport Project
Rim-ditch Dewatering Next To Active Runway
Rim-ditch Discharges To Existing Stormwater
Detention Pond
Influent Turbidity Ranged Between 800-1200 NTUs
Existing Stormwater Pipe Used To Create Baffle Flow
Alum Drip Tank With Control Valve
Alum Drip On Influent At 50
Gal/DayPAM Floc Log Used To
Bind Up Free Aluminum
Sand Bags Used To Create Baffle Flow In Pipes
Alum Floc Forming After 1st Baffle Turn
Turbidity Decreased To 11 NTUs After 1st Baffle Turn
Outfall To Wetland
Outfall To Wetland Clear Discharge
Final Discharge 10-15 NTUs
pH 6.5
Resource Protected
Any Questions?
Treatment System Performance: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): >900 (Inflow) 15 (Outflow)
% Turbidity Reduction: 98 %
Contractor’s System Cost: < $1,000 To Protect (>$23 Million Project)
Time Lost Due To Non-Compliance: NONE!
Contractor: Hubbard Construction
Contact: Jeff Forsythe (407)560-0442