Caption - A new ramp with edge protection, handrails and a wide The ramp runs parallel to the front of the store. Photo - A front view of a store showing a ramp with handrails. Edge protection could also be provided by a lower railing installed parallel to the ramp surface. The ramp that is shown (page 6, top right ) uses railings and edge protection. Edge protection is very important because it prevents people from accidentally rolling off the edge of the ramp. If a drop-off exists, then a barrier such as a raised edge or railing must be installed. It is best to grade the area that is adjacent to the ramp to avoid an abrupt drop-off. It is also important to provide handrails whenever the slope is more that 1:20 and the vertical rise is greater than 6 inches (a slope of 1:20 means that for every 20 units of horizontal length there is one unit of vertical rise or fall). When a ramp is added to provide an accessible entrance, the slope of the ramp should be as shallow as possible but not more than 1:12. If used, the buzzer or call bell must be located on an accessible route and mounted at an accessible height (generally not more than 48 inches above ground). If the alternative accessible entrance is not left unlocked due to security concerns, you must provide an accessible way for notifying staff to open the door, such as a buzzer or bell. The alternative entrance must be open during store hours. When one entrance is not accessible and another entrance is accessible, a sign must provide direction to the accessible entrance. Using the lobby entrance provides access to the store. The shop shown in the photo (bottom right) has a street entrance and is also served by an accessible entrance from the building lobby at the other side of the store. When a business has two public entrances, in most cases, only one must be accessible. Where one or two steps exist at an entrance, access can be achieved in a variety of ways - for example, by using an alternate accessible entrance, adding a short ramp, modifying the area in front or to the side of the entrance to eliminate a step, or installing a lift. Having only one step at the entrance can prevent access by a person using a wheelchair, walker, or cane and can make entry difficult for many other people with mobility disabilities. Providing physical access to a facility from public sidewalks, public transportation, or parking is basic to making goods and services available to people with disabilities.
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