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S-65E Structure Hydrodynamics

S-65E is the most downstream of several water control structure along the C-38 canal (Kissimmee River) that runs between Florida’s Lake Kissimmee and Lake Okeechobee. It is located approximately eight miles upstream of Lake Okeechobee. Recent hydrological studies have resulted in increased design storm volumes in the Kissimmee River. Consequently, additional spillway bays are needed to increase the capacity of the S-65E structure. A hydrodynamic model was developed to ascertain the effects of alternative spillway designs on the existing S-65E structure and the downstream channel and tail water weir.
A calibrated, steady state, two-dimensional hydrodynamic model of the existing conditions was developed by Dynamic Solutions using the Adaptive Hydraulics/hydrology (ADH) model software. This model was then utilized to evaluate the placement of additional spillways to increase the total discharge capacity of S-65E. Four alternative spillway configurations were modeled using three different flow conditions. This allowed to District to choose the optimal design of the spillway addition that is most easily constructed yet will not have adverse effects to the existing infrastructure.

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Dynamic Solutions, LLC 
​6421 Deane Hill Drive, Suite 1
Knoxville, TN 37919
(865) 212-3331
Fax: 212-3398

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  • Home
    • News
  • water resources services
    • Hydraulics & Hydrodynamics
    • Watershed Studies & Hydrology
    • ​Sediment Transport Modeling
    • Litigation Support and Expert Witness
    • Water Quality Modeling
    • Ecological Modeling
    • PFAS Fate and Transport Modeling
    • Coastal Resiliency & Sea Level Rise
    • Applied Research
    • Short Courses/Training
    • GIS Services
  • Modeling Tools
    • EFDC
    • ADH/Adaptive Hydraulic Model
    • CASM/Comprehensive Aquatic System Model
    • HSPF/Hydrologics Simulation Program Fortran
    • HEC-RAS / HEC Software
    • SWMM
    • CORMIX
  • About
    • Key Staff
    • Recent Projects
    • Projects
  • Contact
    • Locations