36 CFR Part 1195 Proposed Accessibility Standards for Medical Diagnostic Equipment NPRM

M303.2.4 Knee and Toe Clearance.

Wheelchair spaces shall include knee and toe clearance complying with M303.2.4. The depth of the wheelchair space shall include knee and toe clearance of 17 inches (430 mm) minimum and 25 inches (635 mm) maximum. Knee and toe clearance under breast platforms shall be 25 inches (635 mm) deep.

M303.2.4.1 Toe Clearance.

Toe clearance shall be provided at a height of 9 inches (230 mm) above the floor to a depth of 6 inches (150 mm) maximum.

M303.2.4.2 Knee Clearance.

Knee clearance shall be provided at a depth of 11 inches (280 mm) minimum and 25 inches (635 mm) maximum at 9 inches (230 mm) above the floor and at a depth of 8 inches (205 mm) minimum at 27 inches (685 mm) above the floor. Between 9 inches (230 mm) and 27 inches (685 mm) above the floor, the knee clearance shall be permitted to reduce at a rate of 1 inch (25 mm) in depth for every 6 inches (150 mm) in height.