Permavoid Product Data

Design Software

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Permavoid can be easily modeled with the HydroCAD Stormwater Modeling system, allowing simplified analysis of its behavior in a drainage and stormwater management system.  HydroCAD includes custom rating curves for these devices, which can be used with the “special outlet” capability to easily define its stage-discharge characteristics. Click here for details.

Technical Details
Tree Protection Full System: Collection, Treatment & Storage.  Protect valuable infrastructure from damaging tree roots while simultaneously promoting tree health and vitality.  Permavoid provides positive air circulation and stormwater infiltration into the root zone of new or developing trees. Detail Sheets
   
Subbase Replacement Full System: Collection, Treatment & Storage.  Replace up to 18 inches of aggregate subbase and 12 inches of excavation while managing stormwater within Permavoid. Detail Sheets
   
Passive Irrigation Full System: Collection, Treatment & Storage. Reduce or eliminate irrigation expenses by utilizing stormwater. Control the volume of stored water to maximize the health and vitality of grass or other plant material. Detail Sheets
   
Bioswale Outlet Full System: Collection, Treatment & Storage.  Reduce the size and quantity of bioswales by maximizing the performance of each.  Store water in Permavoid for controlled discharge to maintain ideal water depths. Detail Sheets
 
Bioswale Inlet Full System: Collection, Treatment & Storage.  Maximize the natural behavior of rainfall while reducing runoff volumes.  Combine bioswale infiltration and passive irrigation to store water where it’s needed most and eliminate the costs to move stormwater. Detail Sheet
   
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