Public shelters have to successfully pass commissioning tests before being issued a Notice of Approval of Commissioning (NOAC) and consequently, the Certificate of Statutory Completion (CSC).
Commissioning tests
| Test |
To ensure that |
| Internal overpressure test |
The external envelope of the public shelter guards against air leakage
|
| Overpressure regime and airflow test |
The air supply system can regulate airflow through the ducts, dampers and CD valves in accordance with the functions and requirements of the shelter
|
| Integrated systems test |
All systems in the shelter continue to function properly and reliably under normal supply when switching to the standby generator set
|
Detailed information on commissioning tests can be found in the
Handbook for Commissioning Requirements of Public Shelters.
Submissions to BCA
Other tests
In addition to the commissioning tests, QPs must also conduct at various stages of construction:
- Air-tightness inspection
- Anchor bolts pull-out tests
- Individual function system tests
- Visual inspection of completed shelter
- CD door tests
- CD shock tests
Certificate of Supervision
In September 2024, BCA issued a Circular to inform the industry of the changes related to the Temporary Occupation Permit (TOP)/ Certificate of Statutory Completion (CSC) application for all development projects with Civil Defence Shelter (CD Shelter) including household, storey, public and transit shelters.