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  2. Elevator - Wikipedia

    en.wikipedia.org/wiki/Elevator

    In 1912, commercial engineer Edmund F. Tweedy and electrical engineer Arthur Williams co-authored a book titled Commercial Engineering for Central Stations. [36] He followed Bolton's lead and developed a "Chart for determining the number and size of elevators required for office buildings of a given total occupied floor area".

  3. Dumbwaiter - Wikipedia

    en.wikipedia.org/wiki/Dumbwaiter

    A dumbwaiter is a small freight elevator or lift intended to carry food. Dumbwaiters found within modern structures, including both commercial, public and private buildings, are often connected between multiple floors. When installed in restaurants, schools, hospitals, retirement homes or private homes, they generally terminate in a kitchen. [1 ...

  4. Lift Upgrading Programme - Wikipedia

    en.wikipedia.org/wiki/Lift_Upgrading_Programme

    Extra elevators have been constructed, which make up as many as five per every block. Lift Upgrading Programme (LUP) ( Chinese : 电梯翻新计划 , Malay : Program Peningkatan Lif [ 1 ] ) is a Singapore Housing and Development Board (HDB) project which upgrades and improves the facilities of the lifts at HDB flats .

  5. Mechanical room - Wikipedia

    en.wikipedia.org/wiki/Mechanical_room

    Mechanical room in a large office building. Mechanical room in federal building, Los Angeles, California. 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.

  6. Double-deck elevator - Wikipedia

    en.wikipedia.org/wiki/Double-deck_elevator

    Double-deck elevators at Midland Square, Nagoya, Japan The Bailong Elevator Symbol seen within the upper cabin of the elevator in Roppongi Hills Mori Tower Double lobby ("lower lobby" and "upper lobby") to enter the elevators in Roppongi Hills Mori Tower. A double-deck elevator or double-deck lift is an elevator where one cab is stacked on top ...

  7. Grain elevator - Wikipedia

    en.wikipedia.org/wiki/Grain_elevator

    Railroad grain terminal in Hope, Minnesota. A grain elevator or grain terminal 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.

  8. Floor area - Wikipedia

    en.wikipedia.org/wiki/Floor_area

    Gross leasable area (GLA) is the amount of floor space available to be rented in a commercial property. Specifically, gross leasable area is the total floor area designed for tenant occupancy and exclusive use, including any basements, mezzanines, or upper floors. It is typically expressed in square metres (although in some places such as the ...

  9. Mechanical floor - Wikipedia

    en.wikipedia.org/wiki/Mechanical_floor

    Mechanical equipment (elevator engine, cooling tower, and boiler) serving a high rise condominium, concealed within a decorative concrete enclosure to match the exterior of building The mechanical penthouse (housing HVAC machinery) of Dodd Hall at UCLA is seen disguised as a bell tower with louvers provided for ventilation.