The project code is represented by 12 digits (auxiliary projects are represented by 1 1 digits). One to nine digits are unified codes, of which one or two digits are professional engineering codes, three or four digits are appendix classification sequence codes, five or six digits are partial and sectional engineering sequence codes, seven, eight and nine digits are sectional engineering sequence codes, and ten, eleven and twelve digits are list project name sequence codes.

The full name of safety and civilized construction measures is the cost of safety protection and civilized construction measures, which refers to the cost of purchasing and updating construction protective appliances and facilities and improving safe production conditions and working environment in accordance with the current national construction safety, construction site environmental hygiene standards and relevant regulations. The measures fee for safety protection and civilized construction of building engineering consists of five items: environmental protection fee, civilized construction measures fee, safe construction fee, temporary facilities fee and real-name management fee of construction personnel, which are included in the measures fee of construction and installation engineering fee: environmental protection fee, civilized construction measures fee, safe construction fee, temporary facilities fee and real-name management fee of construction personnel.