Build Simple Concrete Wall (Step 1: foundation)

Category: CONSTRUCT
Difficulty: (construction)
Time: 180 minutes
Required terrain: 0 shallow pit
Result: * half-built simple concrete wall
Tools required:
> 1 tool with smoothing quality of 1 or more
Components required:
> 4 concrete
> 12 two by four
> 4 water OR 4 clean water