Permeable Pavements. Shingle Creek Watershed Management Commission May 31, 2011. Outline. Purpose of presentation Types of pavements and applications Benefits Design considerations Maintenance considerations Example projects Questions. Types of Permeable Pavements. Porous Asphalt
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Shingle Creek Watershed Management Commission
May 31, 2011
Permeable pavement has pores or openings that allow water to pass through the surface and stone base material and infiltrate into the underlying soils.
John Barten, second from right, riding on pervious pavement in Medina around 1905.
Use of permeable pavement is not recommended in the following cases:
Porous asphalt test section - Abbott/41st , 2009
Asphalt replaced with pervious concrete, 2009
Common Excavation – 11,000CY($6.00/CY) = $ 66,000*
Fabric – 11,000SY($1.00/SY) = $ 11,000
1-1/2” Crushed Rock – 5000CY($52.00/CY) = $260,000*
7” Pervious Concrete – 8470SY($46.50/SY) = $394,000
Total Cost for Pervious Concrete System = $731,000
Per SY Cost for Pervious Concrete System = $ 86.30**
*Average depth beneath concrete = 1.75-feet
Estimated Bituminous Road Cost = $257,000
Estimated Underground Infiltration Cost = $417,500
Total Est Cost – Bit Road & Infiltration = $674,000
Per SY Est Cost – Bit Road & Infiltration = $ 79.60**
**8.5% Increased Cost for Pervious Concrete
Asphalt replaced with pervious concrete and draintile, 2007
Installed pervious pavers, 2007
Porous asphalt pavement in parking lot, 2009
Brainerd Area in Medina around 1905.
Porous asphalt parking lot, 2006