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An architect can plan for either a single-story building consuming the entire allowable area in one floor, or a multi-story building that rises higher above the plane of the land, but which must consequently result in a smaller footprint than would a single-story building of the same total floor area.
The AvtoVAZ main assembly building in Tolyatti, Russia is the largest building in area footprint. The New Century Global Center in Chengdu, China is the largest building in terms of total floor area. [citation needed] Due to the incomplete nature of this list, buildings are not ranked.
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 ...
If the service core (which contains the elevator shafts) becomes too big, it can reduce the profitability of the building. Architects must therefore balance the value gained by adding height against the value lost to the expanding service core. [10] Many tall buildings use elevators in a non-standard configuration to reduce their footprint.
Section 5 added the restriction that the height of any building would be limited to the width of the adjacent street plus 20 feet (6.1 m) up to a maximum of 90 feet (27 m) on residential streets, 130 feet (40 m) on commercial streets, and 160 feet (49 m) on a small portion of the north side of Pennsylvania Avenue between 1st and 15th Streets ...
Thus, for a maximum allowable coverage ratio of 50%, the greatest building footprint allowed for a lot of 100m 2 would be 50m 2. Floor area ratio is the total floor area of the house (excluding the roof and basement) as compared to the area of land the house is built upon; for a maximum FAR of 150%, the greatest possible total floor area for a ...
New building regulations that came in force in 2020, limited the height of buildings on cities depending on population in China. Cities with less than 3 million population cannot have structures rising above 250 m (820 ft); cities with populations greater than 3 million can have buildings up to a height of 500 m (1,600 ft).
For the same reason, setbacks may also be used in lower density districts to limit the height of perimeter walls above which a building must have a pitched roof or be set back before rising to the permitted height. [5] In many cities, building setbacks add value to the interior real estate adjacent to the setback by creating usable exterior spaces.