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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. Mechanical systems drawing - Wikipedia

    en.wikipedia.org/wiki/Mechanical_systems_drawing

    Mechanical systems drawing is a type of technical drawing that shows information about heating, ventilating, air conditioning and transportation around the building (Elevators or Lifts and Escalator). [1] It is a powerful tool that helps analyze complex systems.

  4. Shear wall - Wikipedia

    en.wikipedia.org/wiki/Shear_wall

    A structure of shear walls in the center of a large building—often encasing an elevator shaft or stairwell—form a shear core. In multi-storey commercial buildings, shear walls form at least one core (Figure 3). From a building services perspective, the shear core houses communal services including stairs, lifts, toilets and service risers.

  5. Floor area - Wikipedia

    en.wikipedia.org/wiki/Floor_area

    Hong Kong law Chapter 123F, Building (Planning) Regulations, Regulation 23 sect 3 sub-paragraph (a) defined that: Subject to sub-paragraph (b), for the purposes of regulations 19, 20, 21 and 22, the gross floor area of a building shall be the area contained within the external walls of the building measured at each floor level (including any floor below the level of the ground), together with ...

  6. 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 ...

  7. Inclined elevator - Wikipedia

    en.wikipedia.org/wiki/Inclined_elevator

    Pair of private lifts at residential complex in Kriens, Switzerland (2013) Inclined elevator design is based on the same basic technology as conventional, vertical elevator . [ 6 ] In general standard elevator equipment can be adapted for systems with an inclines up 10 ° from vertical, while an incline with more than 20° from vertical will ...