Figure 76(a) Height of Pool Lifts illustrates a pool lift seat in the raised or "load" position. The seat is 16 inches (405 mm) minimum to 18 inches (455 mm) maximum measured from the deck to the top of the seat surface.
Figure 76(b) Submerged Depth of Pool Lifts depicts a side view of a submerged pool lift. The lift seat is submerged to a water depth of 18 in (455 mm) minimum.