city wind speed (mph) if 'other' wind speed used (mph) exposure roof height (ft) Importance
height above grade (ft) windward pressure (psf) leeward pressure (psf) combined pressure (psf) Kd Kt
L (ft) B (ft)
 
 
 
 
 
Checks:  
errors:  
wind speed > 0  
roof height > 0  
roof height <= 500  
L > 0  
B > 0  
1 <= Kt <= 3