The clearance between the platform sill and the edge of any runway landing shall be 1 14 inch (32 mm) maximum.The Americans with Disabilities Act Accessibility Guidelines (ADAAG), developed in coordination with the United States Access Board and the Department of Justice (DOJ), are the regulations by which the ADA is enforced.As such, these regulations provide scoping requirements for new construction sites, existing building alterations, and much more.
Requirements dictate specifications for all accessible building features, including primary function areas, parking lots, ramps, elevators, and platform lifts. The following is an outline of the ADA Standards and the ADAAG as they pertain to platform lift accessibility requirements. However, this list is only an interpretation of the ADA standards and should NOT be considered as a comprehensive or authoritative guide to ADA requirements. Asme Section 1 Code Is ConstantlySafety and accessibility code is constantly changing and new codes are being adopted throughout the U.S. Please contact your local building authority for further information. A state link is provided at the bottom of this page to reference state building codes and authorities. Rule 410 (detailed below) referenced in 206.7 is part of the ADAAG. Platform lifts shall be permitted as a component of an accessible route in new construction in accordance with 206.7. Platform lifts shall be permitted as a component of an accessible route in an existing building or facility. Platform lifts shall be permitted where existing exterior site constraints make use of a ramp or elevator infeasible. This exception applies where topography or other similar existing site constraints necessitate the use of a platform lift as the only feasible alternative. While the site constraint must reflect exterior conditions, the lift can be installed in the interior of a building. For example, a new building constructed between and connected to two existing buildings may have insufficient space to coordinate floor levels and also to provide ramped entry from the public way. In this example, an exterior or interior platform lift could be used to provide an accessible entrance or to coordinate one or more interior floor levels. Platform lifts shall be permitted to connect levels within transient lodging guest rooms required to provide mobility features complying with 806.2 or residential dwelling units required to provide mobility features complying with 809.2 through 809.4. Platform lifts shall be permitted to provide accessible routes to team or player seating areas serving areas of sport activity. This necessity is achievable through backup power provided by the facility, but is more often accomplished with a battery backup included with a lift by its manufacturer. Note that platform lifts must be independently operable, so although ASME A18.1 safety code allows attendant-operated lifts where there are no controls on the platform, these lifts cannot be used as part of an accessible route. ASME A18.1 also applies to hand-crank units that are permitted for boarding trains but not for accessible routes in buildings. Platform Lifts. Platform lifts shall not be attendant-operated and shall provide unassisted entry and exit from the lift. Because an accessible route requires an 80 inch (2030 mm) vertical clearance, care should be taken in selecting lifts as they may not be equally suitable for use by people using wheelchairs and people standing. If a lift does not provide 80 inch (2030 mm) vertical clearance, it cannot be considered part of an accessible route in new construction ( a comparison list of wheelchair lifts is available on this website).The ADA and other Federal civil rights laws require that accessible features be maintained in working order so that they are accessible to and usable by those people they are intended to benefit. Building owners are reminded that ASME A18.1 Safety Standard for Platform Lifts and Stairway Chairlifts requires routine maintenance and inspections. Isolated or temporary interruptions in service due to maintenance or repairs may be unavoidable; however, failure to take prompt action to effect repairs could constitute a violation of Federal laws and these requirements.
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