SUPPLEMENTARY CONCRETE PROJECTS 



179 



5) Mix concrete and place floor of tank with reinforcing. 

 Use 1:2:4 mixture. 



6) Set inner form in place. 



7) Place form for float box. 



8) Put wall reinforcing in place. Use at least four 

 twisted 1/4" rods 3' long, bent at right angle at corner, 

 in addition to hog wire. 



9) Place balance of concrete. 



10) Remove forms after concrete is thoroly set. 



11) Finish surfaces. 



FIG. 167-a. Cross-section of finished tank. 



156. Potato and Fruit Storage Cellar (Figs. 168, 169) . 

 Requirements: To excavate, construct forms, and place con- 

 crete and reinforcing for storage cellar as illustrated. 



Note: Refer to project under Sec. 145. 

 Instructions: 



1) Lay out, excavate and prepare foundation for storage 

 cellar according to plan. 



2) Construct end forms in place. 



3) Construct inner side form in place. The sills support- 

 ing top section of inner form to be divided into three 

 parts, the length of each part to be equal to one-half 

 the width of cellar. 



4) Provide wedges at bottom of form support to make the 

 form easily removed. 



