Van Hise Rock was named for the preeminent geologist of the 19th century, Charles Richard VanHise, who was also president of the University of Wisconsin-Madison from 1903-1918. VanHise used this rock to show the major structural features of metamorphic* Precambrian* rock and also to demonstrate the kinds of changes that occur in rocks through mountain building periods.
The requirement for seat height, however, is very simple: The top of the seat must be a minimum of 17 inches and a maximum of 19 inches above the shower floor.
Tub and shower controls. The height of shower controls should be 38â³ to 48â³ from the floor, depending upon the height of the user. Tub controls should be between the rim of the tub and no higher than 33â³ from the floor. This, of course, poses a problem if your tub and shower are controlled by the same lever or knob.