Permeable Interlocking Concrete Pavement (PICP) Design with CMHA's Permeable Design Pro Software
that integrates hydrologic and structural solutions.

Provides base thickness solutions from calculating PICP inflow/outflow and traffic loads.
Design sustainable stormwater management with PICP for pedestrian areas, parking lots, alleys and streets.

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  • Design solutions with CAD output
  • Instant download
  • Automatic software updates

Permeable Design Pro develops open-graded aggregate base/subbase thickness solutions at the site scale for supporting traffic, and for water storage and infiltration. Program users include design professionals such as civil engineers, environmental/water resource engineers, pavement engineers, landscape architects, as well as municipal agencies and contractors.

Introduced from Germany in the mid-1990s, PICP is one of the most effective, low-impact development and green infrastructure tools for managing stormwater and for reducing impacts from runoff pollution. PICP offers a cost-effective, attractive and durable permeable surface compared to other permeable pavements.

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Thanks goes to the generous support of CMHA members to develop Permeable Design Pro to provide Integrated Hydrologic and Structural Solutions for pavement design and construction professionals.

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