Reliable flood risk management demands both a comprehensive understanding of hydrology and hydraulics as well as years of experience actually applying those principles to the analysis and design of many types of drainage structures. Our professional engineers average 25 years of experience designing a wide variety of drainage infrastructure, ranging from large regional flood control facilities to hydromodification management facilities with small orifices. Storm runoff flows are not accurately defined as static peak flows that occur infrequently and instantaneously, yet drainage infrastructure is often designed without any thought to the variability or duration of storm runoff. Our team has the breadth of knowledge and years of experience to ensure that we always account for these factors, along with other real variables such as debris, variations of velocity and energy losses, fluctuating hydraulic conditions, and possible consequences from lack of maintenance.

As management of storm runoff becomes increasingly complex, with the need to manage both extreme storm events and low flows (including dry weather flows), it is more important than ever to partner with a team of experts who understand how a network of drainage facilities will function as a complete system. Our application of stormwater quality modeling and design of numerous regional and site-specific BMPs reinforces our strong expertise in flood facilities and drainage design.

Flood Facilities Subservices

  • Channel Design
  • Culvert Analysis & Design
  • Hydraulic Design of Bridges
  • Detention & Retention Basin Design
  • Existing Facilities Retrofit
  • Dam Intake/Outlet Structures
  • Spillway Design
  • Diversion Weirs & Control Structures