Preventive Health Assessment on the Centralized Air Conditioning System of Construction Projects in Nanchang

Objectives To find out the items that were not compliant with designs through analyzing the preventive health assessment of centralized air conditioning systems in 20 construction projects in Nanchang city. The investigation will provide scientific basis for relevant departments to formulate health management measures.

Methods Collecting the feasibility reports and designs of 20 construction projects by checklists to analyze comprehensively the health hazards which may exist in the centralized air conditioning systems.

Results In the centralized air conditioning systems of 20 construction projects, 25% of them have rat prevention devices in the air outlets and return air inlets, 15% of them set up an emergency shutdown to close the return air and fresh air, 5% of them have the windows for cleaning and disinfection, 40% of them set up the equipment for air filter and air purification and disinfection.

Conclusions The designs of centralized air conditioning systems in construction projects in Nanchang did not strictly comply with the relevant health standards. There may have risks of spreading respiratory diseases. Health supervision and management should be strengthened by relevant departments.