"Third-class concrete shall be made of 1 part Portland cement, 3 parts clean, ap- 

 proved sand or crusher dust, and 6 parts of crushed stone, ail measured in loose bulk as 

 aforesaid." 



"STEELCRETE" DECIMAL STANDARDS 



If it is desired to order "Steelcrete" Expanded Metal, the designation of which is only 

 known under the old standards, the following tables will give the corresponding size under 

 the decimal standards at present in vogue: 



3" MESHES 



3" No. 13 Standard ( .28 Ibs per sq. ft.) Corresponding size 3-13-076 



3" ' 10 Light ( .50 " 



3" " 10 Standard ( .60 " 



3" " 10 Heavy ( .90 " 



3" " 10 Extra Heavy (1.20 " 



3" " 6 Standard (1.38 " 



3" " 6 Heavy (2.07 " 



") 



< \ 



" 3-9-15 



" 3-9-175 



" 3-9-25 



' 3-9-35 



" 3-6-40 



" 3-6-60 



i .-.-, 



