Specification History
| SWS Version | Created | Specification ID | Title | Specification | Objective | Supporting Materials | Rationale | Status |
|---|---|---|---|---|---|---|---|---|
| Version 2020 | 08/14/2020 - 14:27 | 6.0303.1i | Backdraft prevention | Design one or more ventilation fans located upstream of all the exhaust inlets to run continuously, or install a system of one or more backdraft dampers to isolate each dwelling unit from the common duct when the fan is not running |
Prevent unwanted air movement |
Black Line | ||
| Version 2020 | 08/14/2020 - 14:27 | 6.0303.1i | Backdraft prevention | Design one or more ventilation fans located upstream of all the exhaust inlets to run continuously, or install a system of one or more backdraft dampers to isolate each dwelling unit from the common duct when the fan is not running |
Prevent unwanted air movement |
Black Line |