Any area that is elevated higher then another must have a ramp for access. Of course, the ADA guidelines have gone beyond just where and when ramps are needed, and includes details on how much of an incline these ramps should have. 

For specific ramp requirements, consider also looking at the needs of entry and landings, for each ramp must have a landing on either end. The following are general rules to always keep in mind:

  • For slopes that are between 1:10 and 1:8, the maximum rise is 3 inches.
  • For slopes between 1:12 and 1:10, the maximum rise is 6 inches.
  • The maximum rise for any ramp run shall be 30 inches.
  • Ramps that change directions between landing and run must have a minimum landing of 60 inches.
  • All ramps with a rise greater than 6 inches shall have handrails.

Within a home, these are the important dimensions to remember, but keep in mind that commercial buildings may have other types of ramps that you might come across. This can include curb ramps, which follow some additional requirements. Overall, just remember to keep in line with any entry or landing requirements when you are spacing out your ramps. 


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