![]() Dimensions will vary based on the desired slope and height needed. The Ramp (Handrails - Utility) has an overall combined height of 4’ (122 cm), total length of 18.7’ (5.7 m), and width of 44” (111.7 cm). For edge protection, utility handrails must include either curbs or barriers at a minimum of 4” (10.2 cm) high along the ramp edge, or an integrated parallel bar at the bottom of the handrail that would restrict the passage of a 4” (10.2 cm) diameter sphere. As free-standing elements, utliity handrails must double as both an assistive handrail and a guardrail that prevents users from accessing the edge of the ramp. Utility ramp handrails are common all-in-one safety components used along any accessible ramp that typically provide user assistance and protection from falling off a ramp. These handrails typically consist of a sturdy, durable material. Wall mounted ramp handrails provide support and stability to individuals walking up or down the ramp. Wall mounted ramp handrails are handrails used along any accessible ramp that is comprised of walls on one or either side of the run. Inner handrails on a switchback or turned ramp must always be continuous. The top grippable surface of any ramp handrail must be set at a height between 34”-38” (86.4-96.5 cm) above the ramp surface and a minimum clear width of 36” (91.4 cm) must be provided between handrails. Handrails along both sides of a ramp are required on any ramp system with a rise greater than 6” (15.2 cm) or a horizontal run greater than 72” (182.9 cm). In situations where a handrail is not continuous, handrails must extend at least another 12” (30.5 cm) parallel to the flat surface of the ramp landing. When handrails are attached to a wall, an offset gap of at least 1.5” (3.8 cm) must be continuously maintained between the handrail and the wall surface. The Ramp (Handrails Wall) has an overall combined height of 4.17’ (127 cm), total length of 22.33’ (6.81 m), and width of 49.5” (125.7 cm). Curbs are not required if the walls are continuously connected to the ramp surface. The height and placement of the handrails are typically determined by local building codes and accessibility guidelines to ensure safety and accessibility for all users. These handrails typically consist of a sturdy, durable material such as metal or stainless steel and are securely attached to the wall with brackets. Advances in materials and construction techniques have allowed for the development of lighter, more durable ramps that are easier to install and maintain. Since the passage of the ADA, ramps have become an essential component of accessible design and are used in a wide range of buildings and public spaces, including homes, schools, offices, and public transportation. In the 20th century, ramps became more widely used as a means of accessibility for people with disabilities. The concept of using inclined surfaces to join different levels can be traced back to ancient civilizations, such as the Greeks and Romans, who used ramps to access their buildings and structures. Low ramp slope ratios will require longer runs, while steeper slopes can have shorter lengths. The maximum slope of a ramp is calculated to provide comfortable and easy access to the building. Commonly used at the entrances of buildings to accommodate level changes from the exterior grade to the interior floor, ramps provide accessibility for wheelchair users, individuals with disabilities, and wheeled equipment. Ramps are inclined surfaces that join different levels of a space.
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