Can you give hard reasons for the delay? As in this concrete needed to be poured 6" thicker than originally speced and what the upgrade provides? The couple ti

Can you give hard reasons for the delay? As in this concrete needed to be poured 6" thicker than originally speced and what the upgrade provides? The couple times I've actually seen these changes described, they are changes enacted to stall the development, not because of a hard technical reason in the design.