PROJECTS IN CONCRETE CONSTRUCTION 



153 



142. Constructing a Doorstep (Figs. 149 and 149-a). 



Requirements: To prepare foundation, construct the form 

 and place the concrete for a step and platform at some 

 door, or a step at the curb, walk or driveway entrance 

 to the house. A 1 : 2 : 4 mixture should be used for 

 such a job. 



Tools Needed: Same as in Sees. 140 and 141. 



FIG. 149-a. Doorstep form. 



Material Needed: Enough cement, sand or gravel or crushed 

 stone, and water to complete the job, using a 1 : 2 : 4 

 mixture. A sufficient quantity of fence boards and 

 2 x 4's to construct the form. Boards 1-1/2" thick are 

 preferred to light ones. 



Preliminary Instructions: In constructing each piece of con- 

 crete work, the requirements of good concrete must 

 be ever kept before you. In a job of this kind, the 

 construction of the forms deserves a great deal of at- 

 tention. If a carriage step or small step at curb is to 

 be built, it will require little foundation; the ground 

 should be leveled and well tamped. For a doorstep, a 



