It is based on the CPC that was published by the United Nations in 1991.
[1][2] The decimal system classification - each type is qualified by a four-digit number - comprises:[3] The CC is a "standard that must be taken into account in recording, collecting, processing, analysing, transmitting and disseminating data on construction works for statistical and record-keeping purposes" in various European countries and Eurostat.
[4][5][6][7] The classification of types of construction should not be confused with the 16 Divisions or 50 Divisions, which separates construction projects by specifications and trade.
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