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Online Design Tools

Contech makes it easy for you to "design you own project" with our convenient DYO Project tools. These interactive tools allow you to quickly and easily prepare designs and supporting documents for estimates/project meetings and be more efficient with your time.

Design Your Own Bridge Tools

Contech’s DYOB is our exclusive online design tool to help you design your own bridge. Use this tool to create a drawing of your aluminum box culvert, plate, precast or truss structure.
Design Your Own Bridge

Stormwater Design Tools

Rainwater Harvest Runoff Reduction Calculator
Design Your Own Detention or Infiltration System
Design your own Hydrodynamic Separator
Low Impact Development Site Planner