4 Assess During the Planning, InstallaƟ on and Maintenance Phases Once the playground surface is installed, an on-site inspecƟ on of the surface system should be conducted along the accessible routes, at the clear ground spaces for entry/egress of equipment and required turning spaces. A digital level can be used to measure the running slope and cross slope. A 2 Ō . digital level is most commonly used for accessibility assessments as it can measure greater variances within the cross slope than a longer level. A tape measure can be used to check any changes in level and openings on the accessible route. Changes in level should also be checked at transiƟ on points where the surface material changes. The fi rmness and stability of the playground surface along the accessible route can be measured in the fi eld with a RotaƟ onal Penetrometer. Quick Reference Running slope = 1:16 or 6.25% max Cross slope = 1:48 or 2.08% max Changes in level = 1/4 inch max (no bevel) 1/2 inch max (with bevel) Openings = 1/2 inch max Measure the clear ground space in all direcƟ ons with a digital level to ensure it is less than 1:48 or 2.08%. The clear ground space at all accessible play components entry and egress must be level for a child to transfer safely from a wheelchair to the play component. The maximum running slope for the ground level accessible route must not exceed 1:16 or 6.25%. Using a digital level is one opƟ on for measuring the slope of the ground level accessible route. Openings or gaps in the surface cannot exceed a 1/2 inch. Check for changes in level, especially at transiƟ ons between surfaces. Changes in level from 1/4 inch to 1/2 inch must be beveled. 10
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