The Construction Industry

The importance of the construction industry in national development cannot be overemphasized considering the fact that at least 50% of the investments in various development plans is primarily in construction. It is the next employer of labour after agriculture in underdeveloped countries, about 10% of the labour force. In developed countries, activities in the industry especially the building/civil works are used as indices of economic growth and buoyancy or recession. There are two Million businesses in the US operating in the constructing industries. The value of the UK construction industry was £56.3 billion in 1998 representing 9% of the GDP. The output of the industry in Nigeria accounts for over 70% of GDP and therefore is a stimulator of national economy. The construction industry also encapsulates large numbers of specialty trade contractors such as electrical, Plumbing, Heating, and painting.


Different Types of Construction Industry Works

[1] Building construction done by general contractors.

[2] Heavy construction also done by general contractor and specialty contractors.

[3] Construction done by speciality trade contractors such as electrician, plumber, etc.

In most cases general contractors usually assume responsibility for the entire construction projects and may subcontract aspect that requires special skills or equipment.


Classification of Different Construction Works

[1] General Building
  • Commercials Buildings
  • Offices
  • Stores
  • Educational Facilities
  • Government Buildings
  • Hospitals
  • Medical Facilities
  • Hotels
  • Apartments
  • Housing. etc.
[2] Manufacturing
  • Auto Assembly
  • Electronic Assembly
  • Textile Plant. etc.
[3] Power
  • Thermal and Hydro Electric Power Plants
  • Waste to Energy Power Plants
  • Transmission Lines
  • Substations
  • Cogeneration Plants, etc.
[4] Water Supply
  • Dams
  • Reservoirs
  • Transmission Pipelines
  • Distributions Mains
  • Irrigation Canals
  • Desalination and Portability Treatment Plants
  • Pumping Stations, etc.
[5] Sewerage/Solid Waste
[6] Industrial Process
  • Pulp and Paper Mills
  • Steel Mills
  • Non Ferrous Metal Refineries
  • Pharmaceutical Plants
  • Chemical Plants
  • Food and other Processing plants, etc.
[7] Petroleum
  • Refineries
  • Petrochemical Plants
  • Offshore Facilities
  • Pipelines, etc.


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