36 CFR Part 1194 - Information and Communication Technology (ICT) Final Standards and Guidelines (with amendments issued through Jan. 2018)

407.8.3.2 Obstructed Forward Reach.

Where the operable part is located beyond the leading edge of the maximum protrusion within the length of the vertical reference plane, the operable part shall conform to 407.8.3.2. The maximum allowable forward reach to an operable part shall be 25 inches (635 mm).

407.8.3.2.1 Operable Part Height for ICT with Obstructed Forward Reach.

The height of the operable part shall conform to Table 407.8.3.2.1.

Table 407.8.3.2.1 Operable Part Height for ICT with Obstructed Forward Reach

407.8.3.2.2 Knee and Toe Space under ICT with Obstructed Forward Reach.

Knee and toe space under ICT shall be 27 inches (685 mm) high minimum, 25 inches (635 mm) deep maximum, and 30 inches (760 mm) wide minimum and shall be clear of obstructions.

EXCEPTIONS: 1. Toe space shall be permitted to provide a clear height of 9 inches (230 mm) minimum above the floor and a clear depth of 6 inches (150 mm) maximum from the vertical reference plane toward the leading edge of the ICT.

2. At a depth of 6 inches (150 mm) maximum from the vertical reference plane toward the leading edge of the ICT, space between 9 inches (230 mm) and 27 inches (685 mm) minimum above the floor shall be permitted to reduce at a rate of 1 inch (25 mm) in depth for every 6 inches (150 mm) in height.