Situation: over the past 18months we have had 5 incidents of what I think is deliberate vandalism to our lawn (new home). Each incedent I've come home from work to find long tire ruts in our lawn. I personally think it is the construction supervisor himself doing the damage as we've also had mortar powder dumped on our car and tractor parts left on our lawn. The motive comes from me forcing him to fix improperly installed hardwood after he insisted it was "my problem" (I had to complain to his boss). Anyway I have normally just levelled the lawn with topsoil over time with good success. But this most recent time the damage was done in -12C temperature and the ruts are 2-4" deep and he turned his wheel to dig into the frozen lawn. So my 2 questions are:
1) - how to fix deep ruts (heavy roller, new sod...??)
2) - what to do about this ongoing problem? Is there a way to prevent this? I have no proof of who is actually doing it?