How Do You Install A Sprinkler System (Part 3)?
In this part 3 of how to install a sprinkler system we will cover trenching and tapping into the water supply. This is the start of the physical labor portion of the project. If you have not marked you lawn already with stakes and twine for the sprinkler pipe runs, you will need to do so now. The stakes should be been placed where the sprinkler heads will be located. You can even identify each stake with what type of sprinkler you wish to use there. Once you have your lawn marked out for each sprinkler circuit and are happy with the runs and sprinkler locations (if not, the stakes and rope allow you to change things easily) use a marking chalk (white powder) to indicate where you want the trenches dug. You can remove the twine but with the stakes move them over a foot or two, perpendicular to the trench line. You don’t want to lose the locations of your sprinklers. Using a trenching machine (Ditch Witch) or shovels cut straight runs into the lawn about 10″ deep. Try to ensure that the
