We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
← All methods
Required width of the stair
cibse_guide_e_chapter_7_equation_7_3Required width of the stair for simultaneous evacuation
Equations
w = \frac{P + 15 \cdot n - 15}{150 + 50 \cdot n}