HydroCAD Stormwater Modeling - Since 1986

HydroCAD supports stormwater storage solutions from Lane Enterprises

HydroCAD provides full support for the stormwater storage products offered by Lane Enterprises, including StormKeeper chambers, double-wall HDPE pipe, and CMP.

This partnership allows Lane products to be easily used within any HydroCAD model for stormwater storage, detention, or infiltration.  HydroCAD includes complete Lane storage definitions, plus an interactive chamber wizard for easy layout, pricing, and modeling of underground storage systems.

To get the latest Lane "v2" chamber data, including revised end-cap and stone dimensions, make sure you're using HydroCAD 10.2-3b or later.

How storage is modeled

Stormwater storage typically appears in a HydroCAD model as part of the storage definition for a "pond".  In the simplest case, HydroCAD calculates the total available storage, including the interior of the chambers (pipes), plus the void space in any surrounding stone.  For a more complete analysis, a full stage-storage curve is calculated so that an inflow or runoff hydrograph can be routed 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 HydroCAD 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, catch basins, or other contributing volumes.

But the most significant feature is the ability to embed (bury) chambers in a bed of 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.

Click for complete self-training materialsHydroCAD can also model almost any imaginable storage arrangement, including layered 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.

Using Lane stormwater products

Setting up a pond to use Lane chambers or pipe storage is a simple process:  Just pick the desired model(s) from the drop-down list, and specify the number of chambers (pipe lengths) plus their elevation.  The HydroCAD chamber wizard automatically calculates the overall size of the system based on the manufacturer's recommendations, or you can customize the layout to suit your specific requirements.

Technical notes

The HydroCAD definitions for Lane HDPE pipe are based on the actual pipe diameter and wall profile.  When laying out multiple rows, the HydroCAD chamber wizard automatically sets the row spacing according to Lane's manifold configuration.

For further technical information, read about modeling corrugated plastic pipe and prefab chambers.

Detailed product information

For detailed Lane specifications and design information, please visit the Lane Enterprises web site.

For more information about HydroCAD

Please see the following pages for further HydroCAD information:

    HydroCAD home page
    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

StormKeeper is a trademark of Lane Enterprises.
HydroCAD is a registered trademark of HydroCAD Software Solutions LLC
Product illustrations Lane Enterprises Inc.


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