ADA Tolerances Provisions

Q6.) How important is the method of measurement in considering the tolerances allowable in finished construction?

A6.)  Methods of measurement are critical in determining both compliance and allowable tolerances.  The industry’s standards are usually very clear about how to make their measurements.  Unfortunately, where no standards exist, the methods are subject to interpretation and argument.  For ramps and curb ramps, DOJ has issued two technical assistance documents that show how to measure slopes.  They can be found in the ADA Checklist for Polling Places and the ADA Checklist for New Lodging Facilities.

We have also created the LinkedIn Group “ADA Tolerances” where participants can ask questions and share information and opinions on the topic.  As more technical assistance materials and opinions are released by the Access Board and DOJ on this section of the Standards we will update this website. Check back periodically for new information.