There is only enough room for a maximum of 4 cranes to be placed on-site. Assuming that a single crane can perform 35 lifts per day and that a column pour requires 60 lifts, what is the minimum number of tower cranes that should be used for the above described column pours?
If the administrative constraints for developing the precedence diagram, as provided in the contract documents, indicate that no individual construction activities shall have a longer duration of two months, how many activities in the "normal" schedule would be affected?
In analyzing a logical chain of activities in a critical path method (CPM) schedule, what do differing total float values within that chain typically indicate?