Even when detailed plans are provided and there is a project walk through, we find curb ramps are still incorrectly installed. At this installation, the ramp center should be flat (less than 2% slope). A flat area is necessary to allow for a wheelchair turning or maneuvering area. It is clear from the photographs that the cross slope is greater than the ADDAG slope requirements. This ramp was removed and replaced with a compliant, parallel curb ramp.
Zimmer Consultants photograph