What is the difference between a class of civil construction projects and a class of civil construction projects?

A kind of civil construction project refers to the land with concentrated detached houses, complete supporting facilities and complete layout, and the number of detached houses is basically 3 floors or less;

The second kind of civil construction projects are multi-storey, medium-high-rise and high-rise modular residential buildings, with complete supporting facilities and complete layout, which are widely distributed in cities and occupy a dominant position in residential land.

2. Different heights

All public buildings with a height of more than 50 meters are a kind of high-rise public buildings. Below 50 meters is the second class, and high-rise medical buildings are all a kind of high-rise public buildings.

3. Different applications

A class of civil construction projects: residential buildings, office buildings, hospital wards, old buildings, kindergartens, school classrooms and other construction projects;

Class II civil construction projects: hotels, cultural and entertainment places, bookstores, libraries, exhibition halls, gymnasiums, shopping malls (shops), public transport waiting rooms, hospital waiting rooms, restaurants, barbershops and other public buildings.

Extended data:

Civil building structure:

1. Foundation: the lowest load-bearing component of a building, which bears all the loads of the building and transfers them to the foundation.

2. Walls and columns: Walls are the load-bearing and enclosure components of buildings. In the frame load-bearing structure, columns are the main vertical load-bearing members.

3. Roof: it is the load-bearing and enclosure component at the top of the building, and generally consists of roof, insulation layer and load-bearing structure.

4. Bottom floor: it is a horizontal load-bearing component in the building, including the bottom floor and the middle floor.

5. Stairs: the vertical traffic facilities of the building, which are used for people to go up and down at ordinary times and for emergency evacuation.

6. Doors and windows: Doors are mainly used for internal and external communication and separating rooms. The main function of windows is lighting and ventilation, and doors and windows are non-load-bearing components.