Thanks for the replies. Here is a sketch of the arrangement.
The black rectangle represents the 5" hole. The center of it is approx. 15" from the file cabinets on the left.
In an office building floor, my client proposes to put 4 full size (36"x18") filing cabinets side by side where there is a 5" bored hole through the floor approx. 12" behind the cabinets. the floor is 4" wire mesh reinforced concrete on 1.5" metal deck. It is rated at 50 psf LL + 50 psf DL + 20...
