1) unit project and sub-unit project: buildings and structures with independent construction conditions and independent use functions are regarded as a unit project. A unit project with a large building scale can be a sub-unit project that can form an independent use function. 2) Division project and sub-division project: A unit project is divided into several parts according to the construction site and professional nature. Generally speaking, a unit project can be divided into nine sub-projects at most: foundation and foundation, main structure, building decoration, building roof, building water supply and drainage and heating, building electricity, intelligent building, ventilation and air conditioning, and elevator. When a sub-project is large or complex, it can be divided into several sub-projects according to material type, construction characteristics, construction sequence, professional system and category. 3) Sub-project: A sub-project is further divided according to the main types of work, materials, construction technology and equipment category, and can be composed of one or several inspection lots. 4) Inspection lot: an inspection body consisting of a certain number of samples, which is sampled and inspected according to the same production conditions or specified methods. The inspection lot can be divided into layers, construction sections and deformation joints according to the needs of construction, quality control and professional acceptance.
The above contents are compiled according to the problems encountered by the students in their actual work for reference. If in doubt, please communicate and correct in time.
For more information about project/service/procurement bidding, and to improve the winning rate, please click on the bottom of official website Customer Service for free consultation:/#/? source=bdzd