32 



BULLETIN 277, U. S. DEPARTMENT OF AGRICULTURE. 



so that the cotton may be removed rapidly during the fire. For the 

 same reason a risk takes a much higher rate when the warehouse is 

 surrounded by a barbed-wire fence or when there are any other 

 obstructions that might hinder the prompt removal of the cotton. 



HEIGHT OF WALLS. 



Ill all of the foregoing types the thickness of wall mentioned has 

 been for buildings one storv high. The standards for fire walls for 





Fig. 12. — Standard cotton warehouse fully protected, showing the proper method of storing. 



buildings of different heights are given below. In the table the 

 thickness refers to the outside walls. In all cases the division walls 

 between the storage compartments should be 4 inches thicker than 

 outside walls. 



Standard fire walls. 



Thickness of outside walls, in inches. 



Height of building. 



First 

 story. 



Second 

 story. 



Third 

 story. 



Fourth 

 story. 



Fifth 

 story. 



Sixth 

 story. 



One story 



13 

 17 

 17 

 22 

 22 

 26 













13 



17 

 17 

 22 

 22 











13 



17 

 17 

 22 









13 



17 

 17 









i:s 

 17 







13 







FLOORS. 



All of the standards recommended by the insurance companies 

 require that floors be of concrete, dirt, shell, or oilier incombustible 

 material. Many warehousemen objecl to any of these floors for 



the reason that when cotton i- stored on such floors for any Length of 

 time ''country damage" usu ly occurs. This is undoubtedly true 



