Urban forest cob experiment part II: trenching

This week, my focus was on digging a trench for our cob cottage.   Once complete, it will be filled with drain-grade gravel (smooth, not sharp pieces) and a drainage pipe.  It’s called a rubble trench foundation, an ancient technique popularized here by architect Frank Lloyd Wright. I calculated that I could dig about one side per day, every other day.  I found, however, that I was not as tired/sore as anticipated, and was able to dig one trench side each day, working only 2-3 hours each day. Along the way, I checked the size of my trench with Rob’s leftover … Keep goin’