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A Crane is exerting an outrigger force of 80,600 lbs.  This outrigger is on a 4’ x 6’ steel   mat (4 inches thick).  Calculate the ground pressure?

At what point does a guyed boom offer greater capacities than a non-guyed hydraulic boom?

The closer the crane’s combined center of gravity gets to the fulcrum the?

A Crane is exerting a maximum outrigger force of 100,000 lbs.  It is set up on firm gravel   with a bearing capacity of 12,000 lbs. / square foot.  Calculate the minimum diameter of   a round wooden pad that will be required.

When installing a jib, the final step is to? 

When you’ve threaded the jacks on a strand jack, you need to try to ensure that all the   individual strands are somewhat similarly?

Use the worst case scenario for the coefficient  of resistance   A Liebherr LTM 1045 is required to hoist a bridge girder on to a truck. Determine the maximum permissible wind speed   Gross load= 12.32 t Vmax_TAB= 12.8 m/s CW value is 2.0 Dimensions of the load: 9 meters long 2.1 meters tall

What is the best way to identify a strand jack crane?

What is the advantage of a tray Superlift versus a buggy? 

A lattice boom crawler crane will exert greater pressure per square foot into the ground  Surface on?