Retrofitting Urban Streets to Porous Streets: Lessons Learned Using Porous Concrete in the Public Right-of-Way
Date & Time
Wednesday, September 15, 2021, 1:30 PM - 2:00 PM

The use of porous concrete, pavers and asphalt (i.e.; pervious pavements) is a unique and effective means to mitigate stormwater runoff and support green, sustainable infrastructure growth. By capturing stormwater and allowing it to seep into the ground, porous concrete is instrumental in recharging groundwater, reducing stormwater runoff and meeting U.S. EPA stormwater regulations. On the other hand, applying porous concrete to capture and infiltrate stormwater runoff on public streets pose a difficult challenge for many public works project designers, contractors and civil engineers. Conventional design and construction regimens for porous pavement applications typically require significant amounts of labor and time to construct for existing street improvement projects. This can lead to higher costs of installation and quality control issues. For street retrofit applications, pervious pavement material installation is further exacerbated by vehicle traffic conditions in high-density, urban areas. This presentation provides civil engineers, planners, and contractors with an alternative solution for using porous concrete in the public right-of-way. Specific case study examples using precast porous concrete will be provided along with example design details for a variety of retrofit applications. In addition, porous pavement inspection and maintenance regimens will be showcased along with porous pavement maintenance equipment recommendations.