What is Construction?

Construction is the process of constructing a building or infrastructure. Construction differs from manufacturing in that manufacturing typically involves mass production of similar items without a designated purchaser, while construction typically takes place on location for a known client. Construction as an industry comprises six to nine percent of the gross domestic product of developed countries. Construction starts with planning,[citation needed] design, and financing; and continues until the project is built and ready for use.

Type of construction

In general, there are three sectors of construction:

  1. Buildings : Building construction is usually further divided into residential and non-residential (commercial/institutional).
  2. Infrastructure:  Often called heavy/highway, heavy civil or heavy engineering. It includes large public works, dams, bridges, highways, water/wastewater and utility distribution.
  3. Industrial:  Includes refineries, process chemical, power generation, mills and manufacturing plants.

Building

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