No, stairway chairlifts cannot be used where platform lifts are permitted by the ADA Standards (ยง206.7) although they are addressed by the ASME A18.1 Standard....
Search Results "Stair Lift"
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Are stairway chairlifts permitted?
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Permanently Installed Systems
These chairs are designed to travel down stairs on tracks with friction braking systems, rollers or other devices to control the speed of descent....