CHAPTER 14
TRUSSES AND GRIDS
RIGGING TRUSSES AND GRIDS 
A variety of methods are used to join truss sections: nuts and bolts, pins, and Camlocs. No matter what method is used, check each connection before the truss is lifted (Figure 14–1). The correct position to sling the chain motor is about one-fifth the length of the truss from the end. The length of the truss should be capable of supporting the load suspended without any deflection. Different types of trussing have different load capacities. The longer a truss, the more support it requires. One cannot lengthen a truss and increase the distance between the motors without reducing the load ...
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