Open-grid pavement

Open-grid pavement

Defined for LEED (Leadership in Energy and Environmental Design) purposes as pavement that is less than 50 percent impervious and contains vegetation in the open cells.
References in periodicals archive ?
Providing shade (within five years for landscape installations) and/or light-colored/high-reflectance materials and/or open-grid pavement - essentially pavements incorporating vegetation - for at least 30% of the site's impervious surfaces, including parking lots, walkways and plazas, or:
Providing an open-grid pavement that is less than 50% impervious for at least 50% of the parking area.