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

https://beauvqzp437.wordcanopy.com/posts/the-expense-of-lawn-sprinkler-installation-and-exactly-how-to-allocate-it

During deploy, set sprinkler heads point with the soil floor, align arcs away from hardscape, and flush lines before attaching nozzles to keep trapped debris cutting overall performance.