On the west is the stone pavement below the wall supporting the grating, which is 3-1/2 feet above the floor.
The entrance, 35 feet wide, can be reached conveniently only near one wall, as a pile of talus immediately in front completely closes the opening; behind it the roof is 7 feet above the floor.
Were this accumulation removed the roof at the entrance would be 8 or 9 feet above the floor.
The roof is about 13 feet above the floor, being a flat stratum broken by a joint-seam along which there is a slight fault.
The roof of this chamber is but 4½ feet above the floor.
Its roof is but 3 feet above the floor, and across its western end is a low bench a couple of inches above the floor.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "feet above the floor" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.