*Areas for vehicular and pedestrian traffic should be graded between 2 - 4% to reduce the chances of depressions forming over time ([https://www.ontario.ca/laws/regulation/110191 maximum permitted 5% for AODA]). Small depressions can result in ponded water icing over in the winter. | *Areas for vehicular and pedestrian traffic should be graded between 2 - 4% to reduce the chances of depressions forming over time ([https://www.ontario.ca/laws/regulation/110191 maximum permitted 5% for AODA]). Small depressions can result in ponded water icing over in the winter. |