I happened to crush on stuck of sand tha was put on a road by Rand water in one of their construction sites at night which was not even budicated and my car broke

I happened to crush on stuck of sand tha was put on a road by Rand water in one of their construction sites at night which was not even budicated and my car broke. I reported the issue and they said I my wait for feedback on fixing my car they didn't come back anytime I write to them they egnore me it's been 2 months now