Iompar beacht le haghaidh girders réamhchruinnithe Deartha le haghaidh Córais Gantry a sheoladh

The Bridge Girder Carrier, commonly referred to as the beam trolley or traveling trolley, is a specialized motorized transport unit installed on the launching gantry system. Its primary function is to move precast girders (T-beams, U-beams, I-beams, box girders) along the longitudinal axis of the launching gantry and precisely position them above the bridge piers for erection.

Tá ról ríthábhachtach ag an aonad seo chun láimhseáil shábháilte, cobhsaí agus cruinn a chinntiú; de bhráimí troma le linn tionscadail tógála droichead ag baint úsáide as an span-by-span  nó modh cantilever cothromaithe.