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Poles, from which these buildings get their name, are natural shaped or round wooden timbers 4 to 12 inches (100 to 300 mm) in diameter. [4] The structural frame of a pole building is made of tree trunks, utility poles, engineered lumber or chemically pressure-treated squared timbers which may be buried in the ground or anchored to a concrete slab.
The various designs for concrete poles include tapered structures and round poles made of solid concrete; pre-stressed concrete (spun-cast or statically cast); and a hybrid of concrete and steel. The drilling of installed concrete poles is not feasible. Users may wish to have the attachment hardware cast into the concrete during the pole ...
An illuminated bollard has a recessed base light unit in the foundation to illuminate the traffic bollard from all angles. [15] The main components are housed below the road or pedestrian surface (typically a concrete surface) so that if a vehicle strikes the traffic bollard the parts below the surface are not damaged.
A reinforced concrete pole in Germany. Concrete pylons are used in Germany normally only for lines with operating voltages below 30 kV. In exceptional cases, concrete pylons are used also for 110 kV lines, as well as for the public grid or for the railway traction current grid. Concrete poles for medium-voltage are also used in Canada and the ...
Tubular steel poles are typically used in urban areas. High-voltage lines are often carried on lattice-type steel towers or pylons. For remote areas, aluminum towers may be placed by helicopters. [5] [6] Concrete poles have also been used. [2] Poles made of reinforced plastics are also available, but their high cost restricts application.
The 14 pole has a 17-inch (43 cm) base, a 10.5-inch (27 cm) bolt circle, and accommodate a 70-150 watt lamp. The 716 pole has an octagonal 24-inch (61 cm) base, a 9.5-inch (24 cm) bolt circle, and accommodate a 70-400 watt lamp. [b] All Upright Poles have a steel shaft. [c] The base, arm, and casing are either aluminum or cast iron. [48]
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The Construction Specifications Institute (CSI) is a United States national association of more than 6,000 construction industry professionals who are experts in building construction and the materials used therein. The institute is dedicated to improving the communication of construction information through a diversified membership base of ...