Post on 14-May-2015
description
Porous Pavements
Porous Pavement
Today's Goals1. What is Pervious Paving?
2. Why use Pervious Paving?
3. Understand Design & Construction Issues
4. Understand Maintenance Issues
Porous Pavements
1. What is a Pervious Pavement?
Porous Pavements
Pervious Pavement with Infiltration Bed
Porous Pavements
�Asphalt
�Concrete
�Pavers
�Turf Reinforced Products
Porous Pavements
Porous Pavements
Porous Pavements
Porous Pavements
Porous Pavements
2. Why Use Pervious Pavement?
�Peak Runoff Rate Reductions
�Runoff Volume Reductions
�Water Quality Benefits
�LEED Credits
�Aesthetic Reasons
Porous Pavements
Porous Pavements
3. Design & Construction Issues
�Subgrade Infiltration Rate
�Subgrade Limiting Zones
�Stormwater Runoff Rates
�Overflow
�Sequence of Construction/Protection of Subgrade and Pervious Paving
�Contractor Qualifications and Submittals
Porous Pavements
4. Maintenance Issues
�Clogging
�Loose Material/Aggregate
�Replacement
�Ice Control
Porous Pavements
Conclusion
Porous Pavements
Aesthetics Cost Construction Maintenance
Asphalt 4 1 1 1
Concrete 3 2 4 2
Pavers 1 4 3 4
Turf Reinforced Products
2 3 2 3
Footnotes
1. Can Depend on Quantity and Design Loads
2. Ranked from Highest (1) to Lowest (4)
References� PA Stormwater BMP Manual
www.elibrary.dep.state.pa.us
� NJ Stormwater BMP Manualnjstormwater.org
� Pervious Concrete Pavementperviouspavement.org
� National Ready Mixed Concrete Associationnrmca.org
� National Asphalt Pavement Associationwww.asphaltpavement.0rg
� Interlocking Concrete Pavement Institutewww.icpi.org
Porous Pavements
Contact Information
Mark S. Mayhew, PE
mayhew@taylorwiseman.com
Mobile: 267-374-8055
Office Locations:
Chalfont, PA
Reading area, PA
Wilkes-Barre area, PA
Porous Pavements