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FRESH AIR FOR COMBUSTION AND VENTILATION
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VENTILATION AIR
Ventilation Air From Inside Building
This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wall connecting the two spaces (see options 1 and 2, Figure 2). You can also remove door into adjoining room (see option 3, Figure 2).
WARNING
WARNING ICON | G 001 |
Rework worksheet, adding the space of the adjoining unconfined space. The combined spaces must have enough fresh air to supply all appliances in both spaces.
Ventilation |
|
Grills | Or |
into Adjoining | Remove |
Room, | Door into |
Option 1 | Adjoining |
| Room, |
| Option 3 |
12"
Ventilation Grills
Into Adjoining Room,
Option 2
12"
Figure 2 - Ventilation Air from Inside Building
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