Can I use a low impact development (LID) controls in StormCAD?

Applies To
Product(s): StormCAD
Version(s): V8i, CONNECT Edition
Area: Modeling
Original Author: Mark Pachlhofer, Bentley Technical Support Group

Problem Description

Can I use a low impact development (LID) area in StormCAD?

Solution

StormCAD's GVF-Rational solver is a peak flow, steady state model. Analysis of Low Impact Development controls only make sense with an unsteady simulation, with the element of time is involved.

The reason why LID controls are available in the StormCAD product interface is because StormCAD uses the same schema (underlying database structure) as SewerCAD, SewerGEMS and CivilStorm. These other products have additional capabilities, such as LID. The LID element layout tool is purposely semi-hidden in the "Other storm" section of the layout toolbar in the CONNECT Edition.

If you're interested in analyzing the impact of LID controls, CivilStorm or SewerGEMS have this capability. These products feature two dynamic numerical solvers. StormCAD is best for using the standard rational design to size pipes or analyze a system for worst-case peak flow conditions.

See Also

Low Impact Development (LID)

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