Where the approach exceeds 1:20
, the approach shall be a ramp 48 inches
(1220 mm) minimum in width and shall comply with 405. Where the rise of a ramped approach exceeds 60 inches
(1525 mm), an elevator complying with 407, or a limited- use/limited-application elevator complying with 408 shall be provided
Tom Koch, P.E., October 23, 2002
NCDOT has reviewed the Draft Guidelines on Accessible Public Rights and our only comment is as follows:
Section 1105.5 states that where the "rise of a ramped approach exceeds 60 inches
This proposed requirement will impact virtually all pedestrian structures over vehicular traffic, since vertical clearances between the roadway surface and the bottom of the structure is required
to be a minimum of 16'-0" to 17'-0". It is our opinion that
providing and maintaining an elevator at each end of the structure is prohibitively costly and impractical. The elevators will be a target of vandals and during the inevitable periods when the elevator is inoperable, the structure will be completely inaccessible to the handicapped. Providing a ramp with a maximum slope of 8% (1" rise per 1 foot
If you would like to discuss this further, please contact Tom Koch