This morning we found vestige of wheel on new floor slab even have barricade warning. This make serious cast for the new pouring concrete slab it can damage concrete slab crack (in this case if concrete slab crack happen, we will not warrantee). So please be informed DANA before we handover (on 28th-Jun-2016) the area please Don’t access or drive-in or drive-pass on new floor slab (don’t remove barricade for drive pass too).