Costs of construction and installation works include: (a) direct costs of construction and installation works by the direct cost of direct costs and measures of costs (1) direct cost of the project entity constitutes a variety of costs (1) labor costs ② material costs (3) the use of construction machinery (2) measures of costs for the completion of the construction of the project, the project occurred in the construction of the construction of the project before the construction and construction of non-engineering entity in the process of the project costs. (1) environmental protection ② civilized construction costs ③ safety construction costs ④ temporary facilities ⑤ night construction costs ⑥ secondary handling costs ⑦ large machinery and equipment into and out of the installation and dismantling costs ⑧ concrete, reinforced concrete templates and scaffolding costs ⑨ scaffolding costs ⑩ completed projects and equipment protection costs (11) construction drainage, precipitation costs (2) overhead (1) fees ① project sewage ② project quota determination fee ③ social security fees: 1, pension insurance premiums. 2, unemployment insurance premiums. 3, social security fees: 2, unemployment insurance premiums, 3, social security fees: 1, pension insurance premiums. 2, unemployment insurance premiums. 3, unemployment insurance premiums. 3, unemployment insurance premiums. . 2, unemployment insurance premiums. 3, medical insurance premiums ④ housing provident fund ⑤ hazardous work accident insurance (2) business overhead ① management personnel wages ② office expenses ③ travel and transportation costs ④ fixed asset usage ⑤ tools and appliances usage ⑥ labor insurance premiums ⑦ labor union funds ⑧ employee education ⑨ property insurance premiums ⑩ financial fees (11) taxes (12) other (3) profit (4) taxes
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