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2010 ADA Standards for Accessible Design Pocket Guide

1009.5 Transfer Systems.

Transfer systems shall comply with 1009.5.

1009.5.1 Transfer Platform.

A transfer platform shall be provided at the head of each transfer system. Transfer platforms shall provide 19 inches (485 mm) minimum clear depth and 24 inches (610 mm) minimum clear width.

A plan view shows a transfer platform at the top of a series of transfer steps leading down into the water. The platform at the top has a clear depth of 19 inches (485 mm) minimum and a clear width of 24 inches (610 mm) minimum.

Figure 1009.5.1 Size of Transfer Platform

1009.5.2 Transfer Space.

A transfer space of 60 inches (1525 mm) minimum by 60 inches (1525 mm) minimum with a slope not steeper than 1:48 shall be provided at the base of the transfer platform surface and shall be centered along a 24 inch (610 mm) minimum side of the transfer platform. The side of the transfer platform serving the transfer space shall be unobstructed.

A plan view shows clear deck space 60 by 60 inches (1525 by 1525 mm) minimum at the base of the transfer platform surface that is centered along a 24 inch minimum unobstructed side of the transfer platform.

Figure 1009.5.2 Clear Deck Space at Transfer Platform

1009.5.3 Height.

The height of the transfer platform shall comply with 1009.4.2.

1009.5.4 Transfer Steps.

Transfer step height shall be 8 inches (205 mm) maximum. The surface of the bottom tread shall extend to a water depth of 18 inches (455 mm) minimum below the stationary water level.

Advisory 1009.5.4 Transfer Steps. Where possible, the height of the transfer step should be minimized to decrease the distance an individual is required to lift up or move down to reach the next step to gain access.
An elevation drawing shows transfer system steps that are 8 inches (205 mm) high maximum which extend to a water depth of 18 inches (455 mm) minimum below the stationary water level.

Figure 1009.5.4 Transfer Steps

1009.5.5 Surface.

The surface of the transfer system shall not be sharp and shall have rounded edges.

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

1009.5.7 Grab Bars.

At least one grab bar on each transfer step and the transfer platform or a continuous grab bar serving each transfer step and the transfer platform shall be provided. Where a grab bar is provided on each step, the tops of gripping surfaces shall be 4 inches (100 mm) minimum and 6 inches (150 mm) maximum above each step and transfer platform. Where a continuous grab bar is provided, the top of the gripping surface shall be 4 inches (100 mm) minimum and 6 inches (150 mm) maximum above the step nosing and transfer platform. Grab bars shall comply with 609 and be located on at least one side of the transfer system. The grab bar located at the transfer platform shall not obstruct transfer.

EXCEPTION: Grab bars on transfer systems shall not be required to comply with 609.4.

Two elevation drawings show grab bars at transfer systems. Figure (a) shows individual grab bars on the platform and each step with the top of the gripping surface 4 to 6 inches (100 to 150 mm) above each step and transfer platform.
Two elevation drawings show grab bars at transfer systems. Figure (b) shows a continuous grab bar with the top of the gripping surface 4 to 6 inches (100 to 150) above the step nosing and transfer platform.

Figure 1009.5.7 Grab Bars

Source: 2010 ADA Standards for Accessible Design Pocket Guide by Evan Terry Associates, LLC - published 05/05/2015

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