Withdrawn Technical Assistance: Common ADA Errors and Omissions in New Construction and Alterations
Error/Omission:
The built-up curb ramp projects into the access aisle.
The accessible parking space and access aisle is not level in all directions.
Result:
When an access aisle has a sloped surface, a wheelchair may roll away from a car or van preventing the wheelchair user from getting out of the vehicle. The sloped surface also prevents a van-mounted wheelchair lift from being fully-lowered to the access aisle surface.
Requirement:
4.6.3* Parking Spaces. ...Parking spaces and access aisles shall be level with surface slopes not exceeding 1:50 (2%) in all directions.
* Asterisk denotes that related, non-mandatory material is in the Appendix to the Standards.
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