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1009.5.6 Size. Each transfer step shall have a tread clear depth of 14 inches (355 mm) minimum and 17 inches (430 mm) maximum and shall have a tread clear width of 24 inches (610 mm) minimum.

A plan view shows a transfer system with each step having a tread clear depth of 14 to 17 inches (355 to 430 mm) and a tread clear width of 24 inches (610 mm) minimum.

Figure 1009.5.6 Size of Transfer Steps

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