All the utilities to the existing home may been disconnected. The old home demolished, construction begins. The first phase is preparing and placing the foundation.
Excavation. An excavator was used to dig the foundation.
Next the footing are formed and reinforcement bar (re-bar) in prepared.
After the footing are poured with concrete the wall forms are set in place. The forms have a simulated brick side and a smooth side. When building modern homes the smooth side is placed to the exterior to give the foundation a clean look. The temporary electrical pole is on the right side of this photo.
The concrete forms are removed.
Next the ground work: interior drain tile and sump pump crock, passive radon vent, plumbing ground work in place and county inspected
. This is followed poly vapor barrier and wire mesh. 
This phase of work will be inspected the county before the basement slab is poured.
Next up – Framing.