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The ASME board first approved machine-room-less systems in a revision of the ASME A17.1 in 2007. Machine-room-less elevators have been available commercially since the mid-1990s, however cost and overall size prevented their adoption to the residential elevator market until around 2010. [82]
Mechanical room in a large office building. A mechanical room, [1] boiler room or plant room is a technical room or space in a building dedicated to the mechanical equipment and its associated electrical equipment, as opposed to rooms intended for human occupancy or storage. Unless a building is served by a centralized heating plant, the size ...
Kone was one of the first to introduce machine-room-less (MRL) construction in elevators. Kone's MRL designs significantly reduced the size of elevator machinery and its lift mechanism by using permanent-magnet electric motors (PMM). The use of these mechanisms enabled all of the elevator's equipment and its inner workings to be confined to the ...
Home lifts are compact lifts for 2 to 4 persons which typically run on domestic electricity. Unlike hydraulic lifts or traditional " gear and counterweight " operated elevators, a home lift doesn't require additional space for machine room, over head, or pit, making it more suitable for domestic and private use.
A grain elevator is a facility designed to stockpile or store grain. In the grain trade, the term "grain elevator" also describes a tower containing a bucket elevator or a pneumatic conveyor, which scoops up grain from a lower level and deposits it in a silo or other storage facility. In most cases, the term "grain elevator" also describes the ...
A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.
A mechanical floor, mechanical penthouse, mechanical layer or mechanical level is a story of a high-rise building that is dedicated to mechanical and electronics equipment. "Mechanical" is the most commonly used term, but words such as utility, technical, service, and plant are also used. They are present in all tall buildings, including the ...
A shop drawing is a drawing or set of drawings produced by the contractor, supplier, manufacturer, subcontractor, consultants, or fabricator. [1] Shop drawings are typically required for prefabricated components. Examples of these include: elevators, structural steel, trusses, pre-cast concrete, windows, appliances, cabinets, air handling units ...