Handrails not required on ramps less than 6” in rise or 72” in length. Handrails to be placed on each side or ramp, 34” – 38” above ramp surface and extend 1’-0” min. beyond the top and bottom of the ramp and be parallel to floor or ground surface. Grip portion to be 1 1/4” to 1 ½” nominal dimen.
CBC 1133B.5.5 ADAAG 4.8.5
Handrails not required on ramps in employee work areas, provided they can be added in the future.
2010 ADA 403.5 & 405.8
I do work for the VA and I have a vet that needs a ramp from his living room to the backyard. The rise is approx 16″ from bottom of concrete deck to the top of the sliding glass door threshold.
If you have a question, or if there is something we can help you with, please don’t hesitate to email or call us.