pavement

McGrath RentCorp Analysis

Mulberry, Florida McGrath RentCorp Porous Pavement Analysis When McGrath RentCorp wanted to evaluate porous pavement options with the Southwest Florida Water Management District to reduce the stormwater…

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Mulberry, Florida

McGrath RentCorp Porous Pavement Analysis

When McGrath RentCorp wanted to evaluate porous pavement options with the Southwest Florida Water Management District to reduce the stormwater runoff and protect the adjacent wetlands, their general consultant, Ridge Professional Group (Lakeland), turned to MEG. The goals were to reduce runoff and store water in place within the voids of the pavement for infiltration. Madrid Engineering Group, Inc. completed several analyses to assist the owner in completing a porous pavement surface or other similar alternative to reduce the anticipated runoff to the retention pond on this 121-acre development.

Several alternatives were considered, including GeoWeb® cellular confinement, and the use of clean imported limerock underlain by geotextile and not underlain by geotextile. These and other options resulted in stormwater routing analyses showing significant reduction of runoff, using the natural infiltration of the underlying soils to absorb the brunt of Florida’s renowned tropical summer storms. The detailed analyses were presented to the District for approval. Unfortunately, technicalities in the requirements prevented the client from getting proper credit for the excellent solution. Ultimately, because RentCorp was highly committed to the environment, they used Madrid Engineering’s least-cost porous pavement solution instead of asphalt, despite not being given proper credit for the design.

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