If I were you I would eliminate supersets and possibly burnout sets if you are going to start a NEW physically engaging job. If your body were used to the abuse I would say not to worry too much, but since it will introduce new stress, YES your body could become over worked. If you are in a state of healing and you are pulling around slabs of drywall etc, you might not be getting as solid rest as before.
See how it goes, consider removing supersets and burnouts.