Alterations/ Historic Preservation

Note: This document, portion of document or referenced document was published prior to the 2010 ADA Standards, and is still applicable.

Steeper slopes are allowed for short ramps where a 1:12 slope is not technically feasible.

Scope	Max Rise	Max Slope
altered facilities (including historic)	3 in.	1:8
altered facilities (including historic)	6 in.	1:10
qualified historic structures only	4 in.	1:6

[MORE INFO...]

*You must sign in to view [MORE INFO...]