During deploy, set sprinkler heads point with the soil floor, align arcs clear of hardscape

https://earth.google.com/earth/d/17Sbe3PRWLZbxzdWfJdg0jXjLeTCFL1pr?usp=sharing

During install, set sprinkler heads stage with the soil surface, align arcs far from hardscape, and flush traces in the past attaching nozzles to ward off trapped particles lowering functionality.