Resources

Construction Tolerances for PICP

Revised 2021 Permeable interlocking concrete pavements comprise a system of unique components providing durable pedestrian and vehicular surfaces in all…

Concrete Grid Pavements

Revised 2023 Background As cities grow, man-made surfaces contribute to urban heat and stormwater runoff. Heat is generated by the…

ASCE LID Permeable Pavement Retrofit

The American Society of Civil Engineers (ASCE) Foundation owns a six-story office building in Reston, Virginia surrounded by several acres…