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Grading
Grading
{|class= "wikitable" "style=text-align: center;"
|+ Grading Standards
|-
!Use
!Extreme range (%)
!Desirable range (%)
![https://www.ontario.ca/laws/regulation/r11191 AODA]
|-
|Public Streets||0.5 - 10||1 - 8
|Private streets||0.5 - 20||1 - 12
|Service lanes||0.5 - 15||1 - 10
|Parking areas||0.5 - 8||1 - 5
|Parking ramps||up to 20||up to 15
|Collector walks||0.5 - 12||1 - 8
|Entrance walks||0.5 - 8||1 - 4
|Pedestrian ramps||up to 12||up to 8
|Stairs||25 - 50||33 - 50
|Game courts||0.5 - 2||0.5 - 1.5
|Paved gutters||0.25 - 100||1 - 50
|[[Grassed swales]]||0.5 - 15||2 - 10
|Terraces and sitting areas||0.5 - 3||1 - 2
|Grassed banks||up to 50||up to 33
|Planted banks||up to 100||up to 50
|}