HydroCAD Stormwater Modeling - Since 1986


HydroCAD Supports StormPrism
SPEQ Stormwater Chambers

HydroCAD provides direct support for the StormPrism system of precast concrete stormwater chambers.  This allows StormPrism chambers to be easily used within any HydroCAD model for stormwater storage or detention.

The StormPrism SPEQ is supported in HydroCAD 10.2-4b and later.

How chambers are modeled

In a HydroCAD model, stormwater chambers typically appear as part of the storage definition for a "pond".  In the simplest case, HydroCAD calculates the available storage for use with other calculations.  But more often, it is used to generate a complete inflow or runoff hydrograph and route it through the pond.  The resulting analysis indicates the water levels attained throughout the rainfall event, as well as any discharge that may occur through outlet devices or infiltration into the surrounding ground.

Flexible storage options

Each pond may include an unlimited number of storage definitions as required to describe its overall storage characteristics.  This makes it easy to model complex storage arrangements, such as a combination of multiple chambers, pipe storage, catch basins, or other contributing volumes, including above-ground areas (parking lots) that may provide overflow storage for large events.

Modeling StormPrism chambers

Modeling StormPrism systems is easy with the HydroCAD chamber wizard:  Just pick the desired chamber height from the drop-down list and set the number of modules.  HydroCAD automatically adds the outside wall panels that close off the system.

For more information

For further details about StormPrism please visit stormprism.com

For further information about HydroCAD please see:

    Pond storage calculations
    Storage chamber modeling (includes step-by-step instructions)
    Exfiltration calculations
    General support page
    HydroCAD features and capabilities
    Free evaluation program
    Pricing and ordering

Images courtesy of StormPrism.
StormPrism is a trademark of Folley Products
HydroCAD is a registered trademark of HydroCAD Software Solutions LLC.
 


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