The construction costs information is featured by being
regional, diverse, professional, systematic and dynamic and
known as a series of information formed at a certain time and
in a certain space boasting specific contents and similar
properties[1]. The construction costs management is also the
result of the mutual effects of multiple factors. Sequentially,
the information coming out of the sources of construction
costs information is not isolated or disordered but abundant
and systematic. The construction costs information needs
ceaseless collection and supplementation for information
upgrading.
Construction costs information primarily contains three
contents, the price information, namely, the latest market
prices of various building materials, decoration materials,
installation materials, manpower wages and construction
machinery etc; the index information, namely, various
construction costs indexes acquired through processing and
classification of the original price information; and the
completed construction information, that is to say, various
costs information of the completed projects or the projects
under construction, which can provide basis for the
construction costs of the projects planned to be constructed or
the project under projection.