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Current versions of these codes and standards now agree that handrail is defined as either a circular cross section with an outside diameter of 1 + 1 ⁄ 4 inches (32 mm) minimum and 2 inches (51 mm) maximum or a non-circular cross section with a perimeter dimension of 4 inches (102 mm) minimum and 6 + 1 ⁄ 4 inches (159 mm) maximum and a ...
Weight mark "155 PS" on a jointed segment of 155 lb/yd (76.9 kg/m) "Pennsylvania Special" rail, the heaviest grade of rail ever mass-produced Cross-section drawing showing measurements in Imperial units for 100 lb/yd (49.6 kg/m) rail used in the United States, c. 1890s New York Central System Dudley 127 lb/yd (63.0 kg/m) rail cross section
Cross-section shapes vary, but are usually either nearly rectangular, V-, U- or L-shaped. Depth is generally 2 to 6 cm (1 to 2.5 inches) and width 6 to 13 cm (2.5 to 5 inches). If the stairs do not turn and are relatively short, a flat cross section without sidewalls may suffice.
An example of a common residential guard rail (US) handrail (Brit.) is a wood railing around a deck or patio. In the US this is typically built on-site from pressure treated lumber thus featuring a simplistic design of vertical baluster spaced every 3.5 inches (8.9 cm) demonstrating compliance with Building Codes (Standards).
division 17 - master format related specs, nonconforming to the above csi sections All spec divisions higher than 16 are placed in Division 17 - Others. Also use Division 17-Others for any spec-shaped material not easily classified (e.g., geotechnical, pre-bid notes, etc.)
Gooseneck: The vertical handrail that joins a sloped handrail to a higher handrail on the balcony or landing is a gooseneck. Rosette: Where the handrail ends in the wall and a half-newel is not used, it may be trimmed by a rosette. Easings: Wall handrails are mounted directly onto the wall with wall brackets. At the bottom of the stairs, such ...
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Each code consists of either four or five pairs of characters. The initial pair identifies which table is being used and employs letters. The four following pairs represent groups, sub-groups, sections and objects. By selecting pairs of numbers, up to 99 items can be included in each group of codes, allowing plenty of scope for inclusion.