Hydraflow Express is part of a larger family of tools within Civil 3D designed for comprehensive stormwater management: Useres Guide - Autodesk
The for AutoCAD Civil 3D is an essential toolkit designed for civil engineers and drainage designers to perform rapid hydraulics and hydrology calculations. Unlike full-featured network modeling, this extension provides lightweight, specialized calculators for "what-if" scenarios and QA/QC tasks directly within the Civil 3D environment. Key Capabilities Hydraflow Express is part of a larger family
: Supports widely accepted standards like the Rational Method , Modified Rational , and NRCS/SCS . this extension provides lightweight