Spiral 

 Columns 



CORRUGATED BAR COMPANY, INC. 



SPIRAL COLUMNS 



Safe Axial Loads in Thousands of Pounds 

 New York City Building Code Requirements 



Ratio of Length of Column to its Side or Diameter, 

 limited to 15. 



Note — Size and pitch of spiral wire is given at head of each group of loads for each size column. 



122 



