What does the construction and installation cost include?

The cost of construction and installation includes: (1) direct cost. The direct cost of construction and installation consists of direct cost and measure cost (1). The direct cost constitutes various expenses of engineering entities ① labor cost ② material cost ③ construction machinery use fee (2) measure cost is the cost of non-engineering entities before and during the construction of the project. ① Environmental protection fee ② Civilized construction measures ③ Safe construction fee ④ Temporary facilities fee ④ Night construction fee ⑧ Secondary handling fee ⑧ Large mechanical equipment entry and exit and installation fee ⑧ Concrete and reinforced concrete formwork and support fee ⑨ Scaffolding fee ⑩ Protection fee for completed projects and equipment ⑾ Construction drainage and precipitation fee (2) Indirect fee (1) fee ① Project sewage fee ② Project quota measurement fee ③ Social insurance fee. 2. Unemployment insurance premium. 3. Medical insurance premiums ④ Housing accumulation fund ⑤ Accident insurance for dangerous operations (2) Enterprise management fees ① Managers' salaries ② Office expenses ③ Travel expenses ④ Fixed assets use fees ⑧ Tools and appliances use fees ⑧ Labor insurance fees ⑨ Trade union funds ⑨ Staff education funds ⑩ Property insurance fees ⑩ Financial expenses ⑾ taxes ⑿ Others (3) profits (4) taxes.