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Design Your Own Detention System (DYODS®)

Contech's Design Your Own Detention System Tool provides engineers unparalleled flexibility in the layout and configuration of underground CMP detention systems.

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Welcome to the new DYODS!










Contech's Design Your Own Detention System Tool provides engineers unparalleled flexibility in the layout and configuration of underground CMP detention systems. Our latest release includes options previously unavailable in a free, web-based stormwater design tool:

  • A 2D/3D design environment with high resolution graphics including BIM model output
  • The ability to import a PDF site plan and design a system to scale over the plan 
  • Provides instant access to customized, project specific drawings 
  • Optimizes design and layout for cost efficiency 
  • Design multiple systems per project and save for future use 
  • Digital collaboration using the new “Project Collaboration” feature.  Share your project easily with anyone through our new project management page. 
  • Storage is calculated in real-time as you design 
  • The most robust customization options in the industry for designs needing:
      • Irregular system shapes
      • Multiple diameters, perforated and solid pipe all in the same system
      • Multiple inlet/outlet/riser options for size and placement
  • Auto dimensioning for the system in real-time, including all riser and outlet locations.  Edit with drag and drop or by clicking on dimensions

DYO Screenshot637274980663347419     DYO Screenshot637274981875129160


DYO Screenshot     DYO Screenshot637274976088481601