Porous Pavement System GeoBlock®-NAIT

Low Impact Development

Background Information and Challenge

The NAIT – Centre for Applied Technology Building is tightly situated amongst other campus buildings and shares a common laneway access route for utility and delivery trucks. One would typically find such an area on the backside of a building and not typically frequented by regular pedestrian traffic. There is also limited space to design green space for these buildings to share, requiring a porous pavement option.


As a result, GeoBlock® 5150 porous pavement system was selected by the engineer. In the event a truck needs to access this area, the GeoBlock® will effectively handle any vehicle turning stresses and torsional loads while protecting the topsoil and vegetative root zone. Additionally, regular pedestrian traffic would not severely damage or wear out the turf.


Installation of the GeoBlock® Porous Pavement System from start to finish went very quickly. Prior to the installation, the contractor had some additional concerns regarding a catch basin in the centre of the area and differing heights on either side of the site. This naturally meant that there would be some pitch and limited slope to tackle within the installation. The GeoBlock® was easily cut and placed around the catch basin and contoured nicely to the slope. The installation was completed near the end of September, so rather than seed the area, they elected the option of sod infill for the immediate root structure and quicker turnaround in the Spring.


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