2016 California Standards for Accessible Design Pocket Guide - Eff. Jan. 1, 2017

11B-247.1 Detectable warnings.

11B-247.1.1 General.

Detectable warnings shall be provided in accordance with Section 11B-247.1 and shall comply with Section 11B-705.1.

 Advisory 11B-247.1.1 General.  Detectable warnings are provided for the benefit of persons with visual impairments to indicate transitions to potentially hazardous areas. ◼

11B-247.1.2 Where required.

Detectable warnings shall be provided where required by Section 11B-247.1.2.

11B-247.1.2.1 Platform edges.

Platform boarding edges shall have detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.1.

11B-247.1.2.2 Curb ramps.

Curb ramps shall have detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.2.

11B-247.1.2.3 Islands or cut-through medians.

Islands or cut-through medians shall have detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.3.

11B-247.1.2.4 Bus stops.

Where detectable warnings are provided at bus stop boarding and alighting areas in compliance with Section 11B-810.2.3, detectable warnings shall comply with Sections 11B-705.1.1 and 11B-705.1.2.4.

11B-247.1.2.5 Hazardous vehicular areas.

If a walk crosses or adjoins a vehicular way, and the walking surfaces are not separated by curbs, railings or other elements between the pedestrian areas and vehicular areas, the boundary between the areas shall be defined by a continuous detectable warning complying with Sections 11B-705.1.1 and 11B-705.1.2.5.

11B-247.1.2.6 Reflecting pools.

The edges of reflecting pools shall be protected by railings, walls, warning curbs or detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.6.

11B-247.1.2.7 Track crossings.

Where it is necessary to cross tracks to reach transit boarding platforms, detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.7 shall be provided.