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This required depth shall continue for at least 3 ⁄ 8 inch (10 mm) to a level that is not less than 1 + 3 ⁄ 4 inches (45 mm) below the tallest portion of the profile. The minimum width of the handrail above the recess shall be 1 + 1 ⁄ 4 inches (32 mm) to a maximum of 2 + 3 ⁄ 4 inches (70 mm). Edges shall have a minimum radius of 0.01 ...
The balustrade is composed of handrails, balustrade panels, and skirt panels. [28] The handrail provides a handhold for passengers while they are riding the escalator. The handrail is pulled along its own track by a chain that is connected to the main drive gear by a series of pulleys, keeping it at the same speed as the steps.
A "squared helical" stair fills a square stairwell and expands the steps and railing to a square, resulting in unequal steps (wider and longer where they extend into a corner of the square). A "pure helix" fills a circular stairwell, and has multiple steps and handrail elements which are identical and positioned screw-symmetrically.
Common materials used in its construction are wood, stone, and less frequently metal and ceramic. A group of balusters supporting a handrail, coping, or ornamental detail is known as a balustrade. [1] [2] The term baluster shaft is used to describe forms such as a candlestick, upright furniture support, and the stem of a brass chandelier.
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Staircase railings in the Degré du roi, part of the Petit appartement du roi, in the Palace of Versailles, Versailles, France. Guard rails, guardrails, railings or protective guarding, [1] in general, are a boundary feature and may be a means to prevent or deter access to dangerous or off-limits areas while allowing light and visibility in a greater way than a fence.
Wooden and iron altar rails in St Pancras Church, Ipswich. The altar rail (also known as a communion rail or chancel rail) is a low barrier, sometimes ornate and usually made of stone, wood or metal in some combination, delimiting the chancel or the sanctuary and altar in a church, [1] [2] from the nave and other parts that contain the congregation.
On the other hand, the commercial International Building Code requires the railing to be at a minimum of 42-inch height. Posts can be floor-mounted or fascia/side-mounted, but the height of the railing is measured from the floor to the top of the railing. Fascia mounted cable-railings at 42-inch height