Tank data: Tank shape Oval Liquid depth 20ft Length Width 98.5 ft Length of Flow path 307 ft Channel width 35 ft Volume 1,607,000 US Gal Type No of guide vanse 1x circular with centric guide vane Manning Strickler factor 70 Fluid Data: Type of Fluid Activated Sludge MLSS / DMC 0.5% SVI 2.002 ft3/lb Density 62.43 lb/ft3 Viscosity 10 cP Temperature 77 deg F Aeration Data: Bottom aerator 118 ft2 No of Rotor surface aerator 0 Maximum Airflow 300,000 Nft3/h Regular Airflow 180,000 Nft3/h Max. Airflow per m2 27360 Nft3/h Regular Airflow per m2 16420 Nft3/h Mixers Frequency 60 Hz No of Mixer 4 Rated Motor Power (P2) 7.376 hp Propeller Diameter 55.12 inch Propeller speed 82 rpm Mixing Capacity 33,360 US gpm Application factor 0.96 – 0.99 Note Thrust 2941 N Speed correction No Motor Duty point (P1) 6.711 hp Motor Duty point (P2) 5.945 hp Total power P1 (all mixers) 26.84 hp Specific Power Density (P1) 0.0001249 hp/ft3 Specific Power Density (P2) 0.0001107 hp/ft3 Average horizontal velocity 1.1 Energy cost Cost per KW/h 0.1 USD/kWh Operating hours per day 24 h/day Operating days per year 365 d/a Power consumption 175300 kWh Total energy cost per day 48.04 USD Total energy cost per year 17,530 USD Misc Triple seal system 2 Mechanical Seals, 1 Lip Seal Propeller Material Fiberglass Reinforced, Gel Coated Motor Housing ATSM A536, 60-40-18 Ductile Iron Switches / Probes Stator Bimetallic / 4x DI Probes Paint Two-Part Epoxy (100 um average) Electrical 3 Phase/60Hz – 208V,230V, 480V, or 600V Windings Cable 49 ft w/ Lifting Hoop Propeller Thrust 2941 N
