1- you seem to have a serious slab movement problem due to moisture ingress from leaking pipes that caused more likely loss of soil bearing capacity and settlement of footings/supports…

If you are going through the litigation, then you may need an independent professional forensic engineer to document the damage, the cause of damage and repair recommendations.

Building consultants who do inspections do not do forensic storm water and sewer pipe inspections. This vital inspection needs to be arranged separately at PCI. This forum is littered with…