483 bytes added
, 7 years ago
{|class="wikitable"
|+ specifications for pervious concrete, porous asphalt, and permeable pavers.
|-
!style="background: cyan; color: black"|Material
!style="background: cyan; color: black"|Specification
!style="background: cyan; color: black"|Quantity
|-
!Pervious Concrete
|* 28 day compressive strength = 5.5 to 20 MPa <br> * Void ratio = 14% - 31%<br>* Permeability = 900 - 21,500 mm/hr||Thickness will range from 100-150 mm depending on the expected loads
|-
!Porous Asphalt