Information and characteristics of project cost;
Project cost information is the combination of all information about the characteristics, state and change of project cost. The characteristics of project cost information include: regionality, diversity, professionalism, systematicness and dynamics.
Classification of engineering cost information:
① Classification principle: The principles of engineering cost information classification include stability, compatibility, expansibility and comprehensive practicability.
(2) Classification results of project cost information:
1) From the perspective of management organization, it can be divided into systematic project cost information and non-systematic project cost information.
2) According to the form, it can be divided into documentary project cost information and non-documentary project cost information.
3) According to the propagation direction, it can be divided into horizontal transmission and vertical propagation.
4) According to the reflection surface, it can be divided into macro engineering cost information and micro engineering cost information.
5) In terms of time, it can be divided into past project cost information, present project cost information and future project cost information.
6) According to the degree of stability, it can be divided into fixed engineering cost information and mobile engineering cost information.
Project cost information includes:
① Price information: including the new market prices of various building materials, decoration materials, installation materials, labor wages, construction machinery, etc. This information is relatively primary, generally without systematic processing, and can also be called data.
② Index: It mainly refers to various engineering cost indexes obtained through processing according to the original price information, which will be described in the following part.
(3) Completed project information: Various cost information of completed or under construction projects can provide basis for the cost of proposed or under construction projects. This kind of information can also be called project cost data.
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