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Industry Professionals Say

"Permeable interlocking concrete pavements are a logical choice for effective stormwater management. High quality interlocking concrete pavers provide a hard and durable surface not subject to surface abrasion and raveling while effectively transferring surface water to the underlying open graded aggregate which provides storage and filtering capabilities."

- David Hein, P.Eng.

VP of Transportation, Applied Research Associates, Inc., Toronto, ON

“From day one, the Board wanted a permeable lot, a view heightened by the long-term drought in the southeast which drastically lowered lake levels and threatened drinking water supplies. They visited pervious concrete and permeable interlocking concrete pavement projects in the region. This raised everyone’s confidence in these types of systems. The board went with PICP because of easy repairs and a better looking surface.”

- Robert Benson, ASLA, VP Robert Company

Stone Mountain Park, Georgia - project landscape architect

Does the surface conform to the Americans with Disabilities Act (ADA) requirements?

Tags: Permeable Pavement

A handicap parking space.Yes. ADA Design Guidelines require that surfaces be firm, stable and slip resistant. PICP designs can provide a firm and stable surface for visually impaired persons and those using wheeled mobility devices. If the openings in the surface are not desired, solid units can be used in areas subject to disabled persons. Such areas might include designated spaces in parking lots.

ADA recommends that the static coefficient of friction for flat surfaces along accessible routes be 0.6 and 0.8 for ramps. ADA advisory material recommends various test methods to assess surface slip resistance. PICPs can meet slip ADA resistance requirements using test methods recommended in ADA advisory literature. For additional information on these requirements, see ICPI Tech Spec 13 - Slip and Skid Resistance of Interlocking Concrete Pavements.

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