GSA Courthouse Management Group
Mechanical Lift Analysis
ADA Standards for Accessible Design
The minimum area required to accommodate a wheelchair is 30 in. by 48
in. When the wheelchair and occupant are on the lift and confined within
three or four partitions, they must have an additional 6 in. clearance on the
end of the platform and 12 in. clearance on the side. (The minimum clear
platform area should be 36 in. by 60in., and the net area shall not exceed
18 sq ft.) (Most Stringent)
Side reach to the lift controls above the platform level, by the occupant in
a wheelchair shall be within the range of 9 in. minimum to 54in.
maximum in height.
Changes in level of more than in. (in height) shall be accomplished by
means of a ramp. (This condition may occur where the lift, in its lowest
position resting on the frame, does not align with the elevation of the
courtroom well.) (Most Stringent)
Uniform Federal Accessibility Standards
This standard addresses 1A, 1B, and 1C, of ADA with the same requirements.
No removable barriers, including stair riser elements, shall be placed
anywhere along the accessible route to the mechanical lift platform.
(In conjunction with the IBC 2000)
End gates shall be a minimum of 32 in. in clear width. (Most Stringent)
Side gates shall be a minimum of 42 in. in clear width. (Most Stringent)
Openings in the floor (between the platform and enclosure) shall be of a
size that does not permit the passage of a in. sphere. (Most Stringent)
Same as 1A of ADA requirements.
(In conjunction with the BOCA Code)
Same as 1A and 1C of ADA requirements.
HDR Architecture, Inc.