19 



required and the distance between them is determined, lay off on a stave the 

 exact location of the doors. Make saw-cuts half-way through to provide for 

 the entrance of the saw when cutting out the doors after the staves are set 

 up. The cuts should be made at an angle of 45 degrees on the edge of the 

 stave, but horizontal on the front. To prevent this stave from breaking 

 while it is being handled, nail a slat on one side of it. 



SETTING TJP THE SILO. 



Figure 14 shows a method of erecting scaffolding from which to adjust 

 and nail the staves. Four posts 6 by 6 inches, the desired height and 



(Fig. 14.) Method of erecting scaffolding. 



