SUPPLEMENTARY CONCRETE PROJECTS 



173 



152. Constructing a Scale Pit (Fig. 163). 

 Requirements: To excavate for scale pit, construct form, and 



place the concrete. 

 Note: Refer to project under Sec. 143. 



FIG. 163. Scale pit. 



Instructions: 



1) Excavate pit to dimensions to be determined from size 

 of scale. 



2) Provide drain for center of pit. 



3) Construct outside form if needed. 



4) Construct inner form so wall will be at least 6" thick. 



5) Use 1:2:4 proportion and mix to a wet consistency. 



6) Place concrete in wall. 



7) Provide bolts at top of wall to fasten angle iron. 



8) Remove forms from wall. 



9) Place concrete in floor with slope toward center drain. 



