Compound 2:1 Biparting Door
Compound 2 to 1 regular doors consist of a lower panel that is half the height of the upper panel.
These are used at the lowest landing when there is minimal pit depth.
MIN. FLOOR TO FLOOR: 1.66 x OPENING HT + 150 mm [6 in]
MIN. PIT: 0.33 x OPENING HT + 102 mm [4 in]
RETURN SPACE: 330 mm [13 in] BOTH SIDES
CAR CLEARANCE: 127 mm [5 in]
MAX CAR LAP: 50 mm [2 in], BEFORE NOTCHING PLATFORM