How long a project of 50 floors, usually take to be delivered to the client?

More than16 months

C-More than16 months

Depends on many things but mainly on the availability of resources and a clear and defined scope of works.

Depends on a lot of things, but for  a medium sized building (footprint600 to8000 meters): foundation ( no parking layers)2 months, try to design a construction type for1 floor per week, so that sets a goal for the team every week.

I think for50 floors building it takes more than16 months

The timing for delivery will be governed by the following; 

Why?  

Where?

By who and how much ?  

one floor per week-two years total subject to the competency of  construction manager and general forman