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Because bilevel rail cars have two passenger levels within a standard height rail car, the lower level, where passengers board, is generally lower than a conventional high-floor car. Hence level boarding with a bilevel car is accomplished using a lower platform, as low as 460 mm (18 in) ATOR.
A dado rail, also known as a chair rail or surbase, [1] is a type of moulding fixed horizontally to the wall around the perimeter of a room. The dado rail is traditionally part of the dado or wainscot and, although the purpose of the dado is mainly aesthetic, the dado rail may provide the wall with protection from furniture and other contact.
An ADA compliant accessible van must meet certain requirements such as; a door height opening of 56" or greater, a ramp width of at least 30" in width, with ramp edges 2" high, and finally a ramp angle of a 6:1 ratio or rise
ADA-style grab bars and their mounting devices should withstand more than 250 pounds (1112 N) of force. In public toilet stalls, side grab bars must be a minimum of 42 inches long and mounted 12 inches from the rear wall, and rear grab bars must be a minimum of 36 inches long and mounted a maximum of 6 inches from the side wall.
In architecture, the dado is the lower part of a wall, [1] below the dado rail and above the skirting board. The word is borrowed from Italian meaning "dice" or "cube", [ 2 ] and refers to " die ", an architectural term for the middle section of a pedestal or plinth .
A maximum height of 28 inches (711 mm) measured to the top of the gripping surface from the ramp surface or stair nosing is recommended for handrails designed for children. Sufficient vertical clearance between upper and lower handrails, 9 inches (229 mm) minimum, should be provided to help prevent entrapment.