Concrete Pipe & Box Culvert Installation - Shaw Precast Solutions

the delivery document.If a pipe is damaged during delivery or unloading,the pipe should be set aside. Damaged ends,chips or cracks, which do not pass through the wall,can usually be repaired.Many carriers are equipped with automatic unloaders,which further expedite the unloading of circularpipe. These automatic unloaders consist ofa forklift type of apparatus mounted at the rear of aflat bed truck. The forks rotate vertically rather thanmove up and down, such that, when the forks are ina vertical position they extend above the truck bed.This provides a backstop and cushion for the pipesections as they are rolled to the rear of the truckfor unloading. A cradle formed by the forks andunloader frame securely retains the pipe sectionbeing unloaded as the forks are rotated downwardand lowered to the ground.Unloading of the pipe should be controlled so asnot to collide with the other pipe sections or fittings,and care should be taken to avoid chipping or spalling,especially to the spigots and bells. Cautionshould be exercised to be sure personnel are out ofAUTOMATIC UNLOADERAmerican Concrete Pipe Association • www.concrete-pipe.org