1. 8 inches (205 mm) deep min. knee clearance at 27 inches (685 mm) high min. (M303.2.4.2)
2. 27 inches min. (685 mm)
3. 11 inches (280 mm) min. and 25 inches (635 mm) max. deep knee clearance at 9 inches (230 mm) high (M303.2.4.2)
4. between 9 inches (230 mm) and 27 inches (685 mm) above the floor, the knee clearance is permitted to reduce at a rate of 1 inch (25 mm) in depth for every 6 inches (150 mm) in height (M303.2.4.2)
5. 9 inches (230 mm) high toe clearance (M303.2.4.1)
6. 6 inches (150 mm) deep max. toe clearance (M303.2.4.1)
7. the depth of the wheelchair space (M303.2) must include knee and toe clearance of 17 inches (430 mm) min. and 25 inches (635 mm) max., knee and toe clearance under breast platforms must be 25 inches (635 mm) deep, see Figure M5 (M303.2.4)
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