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Lift slab construction (also called the Youtz-Slick Method) is a method of constructing concrete buildings by casting the floor or roof slab on top of the previous slab and then raising (jacking) the slab up with hydraulic jacks. This method of construction allows for a large portion of the work to be completed at ground level, negating the ...
A gin pole in use loading logs A gin pole used to install a weather vane atop the 200-foot steeple of a church Roof trusses being assembled with gin poles. A gin pole is a mast supported by one or more guy-wires that uses a pulley or block and tackle mounted on its upper end to lift loads. The lower end is braced or set in a shallow hole and ...
A storey pole (or story pole, storey rod, [1] story stick, [2] jury stick, [3] scantling, [4] scantillon [5]) is a length of narrow board usually cut to the height of one storey. [6] It is used as a layout tool for any kind of repeated work in carpentry including stair-building , framing , timber framing , siding , brickwork , and setting tiles.
A home lift not to be confused with a home elevator is a type of lift specifically designed for private homes, where the design takes into consideration the following four factors: 1. Compact design in view of the limitations of space in a private residence, 2. Usage of the lift restricted primarily to the residents of the private homes, 3.
Pole building design was pioneered in the 1930s in the United States originally using utility poles for horse barns and agricultural buildings. The depressed value of agricultural products in the 1920s, and 1930s and the emergence of large, corporate farming in the 1930s, created a demand for larger, cheaper agricultural buildings. [2]
Lift tables can also be driven by pneumatic sources, trapezoidal-threaded screw drives, push chains or by hydraulic foot pump when the load is not heavy. The choice of drive mechanism depends on factors such as load capacity, lifting height, speed requirements, and the intended environment. Lift tables can be mounted in a pit for floor-level ...
A fireman's pole (also called a firefighter's pole, sliding pole or a fire pole) is a pole that firefighters slide down to quickly reach the ground floor of a fire station. This allows them to respond to an emergency call faster, as they arrive at the fire engine faster than by using a standard staircase.
The pole that the lighting is mounted on is generally at least 30 m (98 ft) tall (under this height it is referred to as conventional lighting system), [1] while the lighting consists of a luminaire ring surrounding the pole with one or several independent lighting fixtures mounted around it. Most units have four, six or eight lights in the ...