Engineering Services
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Hydrology and Hydraulics

Hydrology and Hydraulics

KMA has experience in various aspects of hydrology and hydraulics pertaining to project planning and preliminary engineering/final design, environmental permits/permit support, and compliance with the NJ Stormwater Management Rules.

Our services include:

  • Roadway Drainage Design
  • Evaluation of Stormwater Management Measures and for Compliance with the NJ Stormwater Management Rules (NJAC 7:8)
  • Design of Structural Stormwater Management Facilities for Water Quality and Quantity, including Bio-retention Systems, Detention Basins, Retention Basins, Extended Detention Basins, and Infiltration Basins
  • Preparation of Soil Erosion and Sediment Control Plans
  • Engineering for Applications for NJDEP Flood Hazard Area Control Act (FHACA) Permits, including determination of Flood Hazard Areas and Floodways, Net Fill Calculations, and Backwater Analyses)
  • Performing Field and Laboratory Investigations/Testing for Design of Stormwater Management Facilities
  • Post-Construction Analysis of Stormwater Management Facilities for Compliance with the NJ Stormwater Management Rules

KMA engineers are highly efficient in the use of the following hydrology and hydraulic software programs:

  • HEC-1, TR 55, TR 20, WMS, HEC-25, and HEC-UNET for peak flows
  • Storm-CADD for highway drainage design
  • HEC-2, River CAD, and HEC-RAS for water surface profiles/backwater analyses
  • PondPack for analysis of stormwater management basins
  • EPA SWMM-stormwater and combined stormwater/sanitary analysis