Concrete Silos 



117 



is a good plan to determine the number of legs neces- 

 sary for the outside scaffold before removing these 

 studs. By leaving two of them at each point where the 

 scaffold legs 

 are to stand, 

 they can la- 

 ter be loos- 

 ened from 

 the wall and 

 stood out at 

 the proper 

 places, thus 

 saving the la- 

 bor of raising 

 them from 

 the ground 

 again while 

 building the 

 outside stag- 

 ing. 



Before the 

 plastering on 

 the outside is 

 begun the ex- 

 tra wire re- 

 inforcement 

 should be put 

 in place. 



Pouring the Door Posts. 



This wire is 

 to be a t- 



tached to the wire loops which now lie flat on the out- 

 side of the wall. The number of strands of wire to be 

 placed at each loop is given in the table. These hoops 



