172 CEMENT AND CONCRETE 



13) Remove form from cistern thru manhole. 



14) Remove form from manhole top. 

 151. Feeding Floor (Fig. 162). 



Requirements: To prepare foundations, construct forms and 

 place concrete for feeding floor for ten hogs. It takes 

 12 to 15 square feet of space per hog. 

 Note: Refer to Sec. 141. 



'-Iliif 



FIG. 162. Feeding floor. 

 Instructions: 



1) Prepare foundation by leveling the spot where floor is 

 to be built. Remove all vegetable matter and have 

 soil thoroly tamped. 



2) Construct form to grade so that floor will be at least 4" 

 thick. Have a slope of 1/4" to 1' in one direction. 



3) Mix concrete of 1 : 2 : 4 proportion to a wet consist- 

 ency. 



4) Place concrete in floor ; complete one section at a time. 



5) Remove forms. 



6) Excavate for curb around floor. 



7) Construct form for curb. 



8) Place concrete in curb. 



9) Remove curb form. 



