The newly-applied construction enterprise (the original construction enterprise without GB/T19001 certification) should establish a documented management system that meets the requirements of the "Quality Management System Requirements" and "Specifications", and should complete the internal audit program according to the requirements before applying for certification Audit and management review, and ensure that the management system is effective and fully operational for more than three months.

Construction companies that have obtained quality management system certification should complete the certification conversion work after adding audits that meet the requirements of the "Code" when the certification is due for renewal; the certification certificates that have not completed the conversion within the time limit are invalid, and the certification body will invalidate them. The certificate is processed accordingly.

The construction company should provide GAC with sufficient information on the operation of the management system. For multiple sites (that is, there are multiple fixed sites and/or temporary sites), the certification scope, address and personnel distribution of each site should be explained. GAC will sample according to the regulations. Ways to audit multiple sites.