How many dimensions are sitting at the bottom of the car's lift
Lifting machine base according to the lifting weight of the lift and the model is different. Commonly used 4 tons of lift, the foundation requirements C25 above concrete, the thickness of 500mm recommended, the proposed use of more than 250mm length, 20 of the core expansion bolts. If you have chemical bolts please follow the instructions in strict use.
20CM expansion screw side of the four almost, but the premise is that you play the location of the screw to use steel reinforced concrete foundation