A new jib crane type has been developed by Kundel Industries. The patent-pending jib utilizes a pined compression tube, combined with double tension rods, giving a new modular component approach that lowers cost, increases efficiency. The new jib crane is outfitted with the Kundel “S” Trac trolley that eliminates trolley friction. The standard option feature of all Kundel jib cranes is quick boom leveling to stop jib drift. Also available is the Kundel foundationless pod system.
Demystifying Trench Box Depth Ratings: PSF, Soil Types, and Safety Factors
A trench box does not have one universal maximum depth. Its allowable depth depends on soil conditions, trench depth, surcharge loads, and the manufacturer’s tabulated data. A box that can be used deeper in stable soil may have a much lower allowable depth in weaker...