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A building code (also building control or building regulations) is a set of rules that specify the standards for construction objects such as buildings and non-building structures. Buildings must conform to the code to obtain planning permission , usually from a local council.
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).
Building regulations are required for stairs used where the difference of level is greater than 600 Steepness of stairs – rise and going. Any rise between 150 and 220 used with any going between 220 and 300 Maximum rise 220 and minimum going 220 remembering that the maximum pitch of private stairs is 42°.
Planning permission or building permit refers to the approval needed for construction or expansion (including significant renovation), and sometimes for demolition, in some jurisdictions. [ 1 ] [ 2 ] House building permits, for example, are subject to building codes .
Kevin A. Lynch, an urban planner developed an eight cycle step process of site design, in which the second step is site analysis, the focus of this section. When analyzing a potential site for development, the status quo of the site should be analyzed and mapped. This includes but is not limited to: The location of the plot
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Emergency exit in Universitetet metro station in Stockholm. An emergency exit in a building or other structure is a special exit used during emergencies such as fires.The combined use of regular and emergency exits allows for faster evacuation, and emergency exits provide alternative means of evacuation if regular exits are inaccessible.
The following is a list of trades in construction. Bell hanger installs mechanical and electrical bell systems; Boilermaker, works in nuclear, oil and gas industry, shipyards, refineries, and chemical plants, on boilers, pressure vessels, and similar equipment. Carpenter, a craftsperson who performs carpentry, building mainly with wood. [1]