- The two built-in tubes are for the laying of the driving power line and control power line respectively. The diameter of the tubes should be greater than 25mm. The runs of the built-in tubes depend on the location of the driving power junction box and the location for fixing the vehicle ramp operation button.
- The height of the platform depends on the height of lorries which load and unload goods regularly, usually being at about 1400mm.
- The pit dimension allowance should be smaller than 5mm. The flat surface is of a four square rectangular with upright pit walls and a neat and smooth pit floor.
DM-DCQ 6, DM-DCQ 6II, DM-DCQ 10, DM-DCQ 10 II