How to divide civil construction projects into Class I and Class II?

1, according to the Code for Indoor Environmental Pollution Control of Civil Building Engineering,

Article 1.0.4: Civil construction projects are divided into the following two categories according to different requirements for controlling indoor environmental pollution:

(1) Class I civil construction projects: residential buildings, hospitals, old buildings, kindergartens, school classrooms and other civil construction projects;

Class II civil construction projects: office buildings, shops, hotels, cultural and entertainment venues, bookstores, libraries, exhibition halls, gymnasiums, public transport waiting rooms, restaurants, barbershops and other civil construction projects.

Extended data:

1, buildings are classified according to the nature of use.

(1) Civil buildings refer to buildings used in people's daily life, including houses, apartments and dormitories.

(2) Industrial buildings refer to buildings where people carry out production activities, including production houses, auxiliary production houses, power houses, transportation houses, warehouses and other houses.

(3) Agricultural buildings refer to buildings for people to plant, breed and store agriculture and animal husbandry. ?

2, according to the classification of durability, according to the main structure of the building, considering the importance and size of the building, the building is divided into four grades according to durability:

(1) Grade I: Durability is more than 100 years, and it is suitable for important buildings and high-rise buildings;

(2) Grade II: durability of 50 ~ 100 years, suitable for general buildings;

(3) Grade III: durability of 25-50 years, suitable for secondary buildings;

(4) Grade IV: Durability less than 15 years, suitable for temporary buildings;

References:

Baidu Encyclopedia-Code for Indoor Environmental Pollution Control of Civil Building Engineering