Specification History
| SWS Version | Created | Specification ID | Title | Specification | Objective | Supporting Materials | Rationale | Status |
|---|---|---|---|---|---|---|---|---|
| Version 2020 | 14/08/2020 - 14:27 | 6.0304.1c | Backdraft prevention | System must contain a backdraft damper between all exterior terminations/intakes that only allows air flow in the desired direction A system of one or more backdraft dampers shall be installed to isolate each dwelling unit from the common duct when the system is not operating |
Prevent unwanted air movement |
Black Line | ||
| Version 2020 | 14/08/2020 - 14:27 | 6.0304.1c | Backdraft prevention | System must contain a backdraft damper between all exterior terminations/intakes that only allows air flow in the desired direction A system of one or more backdraft dampers shall be installed to isolate each dwelling unit from the common duct when the system is not operating |
Prevent unwanted air movement |
Black Line |