HydroCAD Stormwater Modeling - Since 1986


HydroCAD Supports Atlantis D-Raintank

HydroCAD provides direct support for the Atlantis D-Raintank.  This allows the D-Raintank to be easily used within any HydroCAD model for stormwater storage, detention, or infiltration.

The D-Raintank is invented, designed, and manufactured by Atlantis Corporation, based in Bellingham, WA.  Atlantis products are protected by patents - make sure you are using an original product!

The D-Raintank can be modeled with HydroCAD-9.1 build 22 or later.  If you have an earlier 9.1 build, you can get the latest build at no charge by using your previous HydroCAD 9.1 download details.  If you have an earlier version of HydroCAD, you must obtain a program update in order to model the D-Raintank.

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.

But the most significant feature is the ability to embed (bury) chambers in a bed of crushed stone, and have HydroCAD automatically calculate the combined storage at any water surface elevation.  This makes it easy to determine the storage for virtually any configuration of storage chambers, without resorting to any manual calculations.

HydroCAD can also model almost any imaginable storage arrangement, including chambers of different sizes combined with auxiliary storage from adjacent pipes and catch basins, and even the above-ground areas (parking lot) that may provide overflow storage for certain events.

Modeling the Atlantis D-Raintank

Setting up a pond to use D-Raintank chambers is a simple process:  Just pick the desired D-Raintank height from the drop-down list, and specify the total number of chambers.

Note: The chamber library includes all standard heights from mini through penta.  Each height is provided in "narrow" and "wide" end-views, to match the desired row layout.

For chambers in a stone bed, you can describe the shape and dimensions of the outer excavation, plus the stone voids (porosity), and the composite storage is calculated automatically.  Or you can use the new chamber wizard for automatic chamber layout, modeling, and cost estimating.

Detailed chamber information

For detailed chamber specifications and design information, please visit the Atlantis-America web site.

For more information about HydroCAD

Please see the following pages for further HydroCAD information:

    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 Atlantis.
D-Raintank is a registered trademark of Atlantis.
HydroCAD is a registered trademark of HydroCAD Software Solutions LLC.

 

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