Alerts came through quickly and reliably in my testing. You can set a precise detection area with a grid system and tweak the sensitivity. Of a barrier.The camera can detect motion, a feature that works fairly well. Curbs may be mistaken for a step or change in level, instead The standards specify a maximum height (27″) for the leading edge ofīarriers so they are within cane sweep, but a minimum height is not Can curbs be used to indicate areas with less than 80″ of vertical clearance? Minimum required for knee clearance and the maximum recognized for caneĭetection). Wheelchair accessible units with no more than a 27″ clearance below (the Recessed or protected as protruding objects. Do drinking fountains pose hazards as protruding objects?Ĭantilevered units at standard heights for people who stand must be Including those in rooms and spaces off corridors. No, requirements for protruding objects apply to all circulation paths, It is recommended that barriers be high enough so that they are not mistaken for a step or other change in level and do not pose a tripping hazard.Īre requirements for protruding objects limited to hallways and corridors? Recommendation: A minimum height is not specified for barriers demarcating areas with less than 80″ of vertical clearance. Left image: Reduced Clearance Below Stairway Right image: Clearance Reduced at Curved (or Sloped Walls) Barriers at Circulation Areas with Reduced Vertical Clearance Fixed planters, benches, and otherĮlements can be used instead of guardrails. Barriers must have leading edges no higher than 27″ so Headroom clearance of at least 80″ high is required along allĬirculation paths (except at doors and doorways where a 78″ minimumĬlearance is permitted to accommodate door stops and closers).įixed barriers, such as guardrails, are required where the verticalĬlearance is less than 80″ such as at open stairways and along sloped orĬurved walls. Objects with leading edges 27″ maximum or above 80″ can protrude any Multiple posts (excluding the sloping portions of handrails). The 12″ limit also applies to the clearance between Mounted on posts or pylons cannot protrude more than 12″ intoĬirculation paths. Post-Mounted Objectsįree-standing objects with leading edges 27″ to 80″ high that are Knee clearance and the maximum specified for cane detection. In this instance, the 27″ height isĮffectively an absolute dimension because it is the minimum required for Limits of Protruding ObjectsĪ wheelchair accessible unit located 27″ absolute above the ground orįloor is cane detectable and can be used to enclose one side of high Or that provide minimum headroom clearance (80″ minimum) do not pose Those with leading edges that are within cane sweep (27″ high maximum) Mounted on walls, partitions, columns, and other elements alongĬirculation paths can pose hazards unless their projection is limited. People with vision impairments often travel closely along walls whichĬan provide wayfinding cues sometime called a “shoreline.” Objects Walks, paths, hallways, courtyards, elevators, platform lifts, ramps, Circulation paths include interior and exterior Requirements apply to all circulation paths and are not limited toĪccessible routes. Limit the projection of objects into circulation paths. To prevent hazards to people with vision impairments, the standards These annotations are prefaced with begin and end image notes. Some images are paired with visually hidden notes. In this document ″ indicates inches and ′ indicates feet. Notational tips for users of screen reading software follow. This guide explains requirements in the ADA Guidance on the International Symbol of AccessibilityĬhapter 10: Recreational Boating FacilitiesĬhapter 10: Swimming Pools, Wading Pools, and Spas Chapter 3: Clear Floor or Ground Space and Turning SpaceĬhapter 6: Washing Machines and Clothes Dryers
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