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Detailed structure and explanatory notes
ISIC Rev.2 code 5000Structure
General and special trade contractors primarily engaged in contract construction. Also included are units of enterprises primarily engaged in construction work for the parent enterprise which can be separately reported.
General contractors may be engaged in constructing, altering, repairing and demolishing buildings; constructing, altering and repairing highways and streets and bridges; viaducts, culverts, sewers, and water, gas and electricity mains; railway road-beds, subways, harbours and water ways; piers, airports and parking areas; dams, drainage, irrigation, flood-control and water-power projects and hydroelectric plants; pipe lines; water wells; athletic fields, golf courses, swimming pools and tennis courts; communication systems such as telephone and telegraph lines; marine construction, such as dredging and under-water rock removal; pile driving, land draining and reclamation; and other types of heavy construction. Businesses primarily engaged in performing mining services such as preparing and constructing mining sites and drilling crude oil and natural gas wells, on a contract or fee basis, are classified in this group.
Special trade contractors are engaged in only part of the work of a construction project. Special trade contractors may work on subcontract from the general contractor or directly for the owner. They may engage in such activities as plumbing, heating and air-conditioning installation; brick-laying, stone setting, tile setting, marble and stone work; carpentry; floor-laying; plastering and lathing; roofing; concrete work; painting and decorating; sheet metal and electrical work; water-well drilling; structural steel erection; excavating and foundation work; wrecking and demolition work; and repair and maintenance work on buildings. However, maintenance or repair work done by maintenance staffs in the full-time employ of the units, the premises of which are being repaired, are excluded.
The assembly and installation on the site of prefabricated, integral parts into bridges, water tanks, storage and warehouse facilities, railroad and elevated right-of-way, lift and escalator, plumbing, sprinkler, central heating, ventilating and air conditioning, lighting and electrical wiring, etc. systems of buildings, and all kinds of structures, is a construction activity. Departments or other units of the manufacturers of the prefabricated parts and equipment which specialize in this work and which it is feasible to treat as separate establishments, as well as independent businesses primarily engaged in the activity, are classified in this group.
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