Besides pre-marking and avoiding sprinkler heads:

  1. Can an aerator dig deep enough to strike the underground sprinkler lines?
  2. Can a sod cutter cut under grass deep enough to strike the underground sprinkler lines?

Any other concerns?

  • 1
    It would depend on how deep the particular sprinkler lines were. I don't think there's a general answer for this, it's going to be specific to how the install was done.
    – Ecnerwal
    Jun 11 at 17:39
  • @Ecnerwal Yeah, have to put trust in the installer that they installed lines deep enough.
    – Kirk Hings
    Jun 14 at 19:15

No. I've since discovered most sod cutters only dig 2-½" max deep and most aerators only punch 3" max deep. Sprinkler lines in northern states are usually 6" deep.

If someone has a better answer I'm willing to change my accepted answer to yours.

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