Foundation drawing
Duct section drawing
Basement area
20
m
2
(
20000000
mm
2
)
Area a one vent
0.012
m
2
(
12272
mm
2
)
Total area of fivents
0.061
m
2
(
61359
mm
2
)
Amount a air
5
ting dem
©
Calculation a vents inna di basement
