AutoCAD Civil 3D

Stormwater Design & Analysis

AutoCAD® Civil 3D® software includes integrated stormwater hydraulics and hydrology extensions. The stormwater software extensions allow the user to enter data in either metric or Imperial units and results can also be shown in either metric or Imperial units.

Design stormwater systems with Hydraflow Storm Sewers design software

Hydraflow Storm Sewers Extension
Hydraflow Storm Sewers Extension for AutoCAD® Civil 3D® provides an easy-to-use, full-featured storm sewer design and analysis package. Design pipes, inverts, slopes, and inlets based on user-defined parameters and interactively modify and optimise your system in real time, allowing you to maximise your design’s hydraulic efficiency while minimising its cost.

Design detention ponds with Hydraflow Hydrographs software

Hydraflow Hydrographs Extension
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D® provides a comprehensive stormwater software solution for watershed analysis and detention pond design. Use Hydraflow Hydrographs for simple site designs, complex watershed modelling and regional drainage studies, pre- and post-development studies, detention pond design, and submitting agency-ready reports.

Design culverts with Hydraflow Express Extension

Hydraflow Express Extension
Hydraflow Express Extension for AutoCAD® Civil 3D® provides flexible calculators to help solve a wide variety of everyday hydraulics and hydrology problems for culverts, open channels, inlets, hydrology, and weirs. Just select the task you want from a toolbar, fill in the blanks in the simple interface, and calculate your solution. The Hydraflow Express stormwater software extension produces informative graphs, rating curves, and professional, easy-to-read reports.