Vodacom or metrofibre to be blamed

So who is doing their work correctly? On the one hand we have Vodacom fibre and our installed fibre on the other we have metrofibre who are trenchingneither followed rules as to where they are allowed to be they are both over the 2m from pavement allowed trenching, metrofibre hit through my Vodacom swithching my fibre off and meaning loss of revenue generated from online businesses. No one takes accountability or responsibility so what do you do? Who is responsible for the loss..... I mean yes Vodacom wasnt in corrwct place but metrofibre werent either and they subsequently damaged the cable resulting in the loss Vodacom Vodacom Metrofibre