Composition of the project cost:
1, according to the composition of the elements: labor costs, materials (including engineering equipment) costs, construction machinery and equipment costs, enterprise management costs, profits, fees and value-added tax.
2, according to the formation of the cost of division: component project cost, measures project cost, other project costs, fees, value-added tax. Among them, partial project cost, measure project cost, other project cost contains labor cost, material cost, construction machinery cost, enterprise management fee and profit and a certain range of risk costs.
Sub-item cost = Σ(quantity of sub-item work × comprehensive unit price).
Measure item cost refers to the cost of technology, life, safety, environmental protection and other aspects incurred before and during the construction of the project in order to complete the construction of the construction project.
Contents include: safety and civilization construction costs, night construction costs, secondary handling costs, winter and rainy period construction costs, the completed project and equipment protection costs, project positioning and re-testing costs, special areas of the construction costs, large machinery and equipment into and out of the site and dismantling costs, scaffolding costs, and so on.
Other project costs include provisional amount, provisional estimate, general contracting services, day labor. The provisional estimate includes the provisional unit price of materials, the provisional unit price of engineering equipment, and the provisional unit price of specialized works.
Fees and charges include: social security fees (including pension insurance, unemployment insurance, medical insurance), housing fund, engineering sewage charges, industrial injury insurance.
Taxes refer to the value-added tax (VAT) that should be included in the cost of construction and installation works as stipulated in the national tax law.