The walls and columns range from 80-85 MPa depending on whether or not post-tensioning is present in the wall.
I can answer some structural questions if anyone is curious, on the hope that my username (not affiliated with Black Diamond) can keep me anonymous 😅.
While these are very valid concerns, my understand is that the above grade portion of the project has not yet been approved for construction (which nowadays is more common), and this is a high level rumour to the point where the contractors are being asked to preplan a possible increase.
If...
I know this has been mentioned before, but phase 2 is currently under redesign to accommodate 110 floors, 10 more than initially designed for.
Source: a "friend" *cough cough*
Yes, constructing parking flat slabs (drainage sloping omitted) is much more productive versus a constantly sloping parking slab or a parking slab with a ramp.