“WMA has reviewed your recent submittal and concurs that the results of recent independent testing conducted in accordance with ASTM C1701/C1701M-09 demonstrate that the PaveDrain® paver meets the surface permeability criterion.”
Based on the test results, it is our opinion that the infiltration rate of the PaveDrain System is a minimum of 4,000 inches per hour.
|Inside Diameter of Infiltration Ring (in)||12.5||12.5|
|Elapsed Time of Test (sec)||7.3||7.8|
|Infiltration Rate (in/hr) (l=KM/(D2*t))||4449.1||4163.9|
|Average Infiltration Rate (in/hr)||4306.5|