This document is the Pervious Pavement StormTech Detail. Cross section of the system is shown.

The cross section details the system around the StormTech Chamber. Subgrade for pervious pavement application with backfill material conforming to acceptable fill materials below the pervious pavement. Below that is nominal ¾-2” clean, crushed angular stone, the ADS geosynthetic 601T non-woven geotextile all around the stone in A and B layers, optional liner if infiltration is prohibited, foundation stones and engineered approved subgrade soil suitability. Minimum and maximum cover dimensions are included.

Notes mention minimum fill requirements for layers A, B and C are listed in the StormTech design manual. Also, that over drains can be utilized to pipe waters to chambers.