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Working ground pressure figures are based on the Maximum Lifting Capacity of the Sidelifter. Designers should take into account the fact that Sidelifters can lift heavier loads than their Maximum Lifting Capacity because of their built-in safety margins. The strength of surfaces on which a Sidelifter will operate should allow for this. Based on the Maximum Lifting Capacity of the Sidelifter, ground pressures and loading per square foot are:
Model |
Weight of box at MLC*: |
Max. Load per Foot |
Max. Ground Pressure |
SB362 |
36 tonnes |
24 tonnes |
1.7 MPa |
SB450 |
45 tonnes |
28.5 tonnes |
1.8 MPa |
*MLC= Maximum Lifting Capacity.
Max. Ground Pressure = Max. Load per foot / area of stabiliser foot.
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Where the pre-operational risk assessment reveals the presence of cellars, underground services, ducts or the like, a competent person must assess whether the ground is stable enough to support the load of the stabiliser foot. |
