When there are already built into the use of housing may affect the safety of housing cracks, tilt deformation, aging and other security risks and signs of danger,
Or changes in function and local structure may affect its structural safety, or more than the design life to continue service, as well as its structure
When security is suspected or controversial.
Test content: a comprehensive test of the structure of the housing situation, analysis of check the structure of security, the assessment of housing security.
Detection of objects: all types of building buildings, factories, office buildings, hospitals, schools, shopping malls, stadiums and other large buildings.
Role: housing renovation and extension and subsequent use, the basis for handling; housing security disputes based on the basis of; competent department of the necessary basis for the management of dangerous buildings.