I-Double Girder Bridge Crane yakhiwa imishayo emibili yebhuloho enamathiselwe kwithrekhi, futhi imvamisa ihlinzekwa ngentambo ye-tether-terrolley ye-tether-terlolley yokuphakama, kodwa futhi ingahlinzekwa ngokuphakama kwe-chain kagesi ekhethwe ngogesi kuye ngohlelo lokusebenza. I-Sevecrane ebheke phezu kwama-cranes nama-hoost anganikeza ama-cranes alula e-girder bridge ukuze asetshenziswe okujwayelekile, futhi ahlinzeke ngokwezifiso ebhulohweni laseBridge elisakhiwe kabili le-cranes lezinkampani ezahlukahlukene. I-Double Girder Bridge Crane futhi isetshenziswa ngaphakathi noma ingaphandle, kungaba kumabhuloho noma ekucushweni kwe-gantry, futhi isetshenziswa kakhulu eMining, i-Iron kanye ne-Insimbi yokukhiqiza, ama-Railroad Radios, kanye nama-Marine Ports.
I-Double Girder Bridge Crane ngokuvamile idinga imvume enkulu ngenhla kwe-crane runway beam ukuphakama njengoba amaloli wokuphakamisa awela ngaphezulu kwe-cranes brold girder. Ama-cranes we-single-gider ahlinzeka ngezindlela ezingcono zokuphakanyiswa kuzo zombili iziphakamiso kanye nohambo lwebhuloho kunama-cranes aphindwe kabili. Yize kungabonakali njengokubonakala, i-girder ebhuloho eliphindwe kabili ngaphansi kwe-crane egijimayo ingahlinzekwa nge-hoodle ye-trolley. Ama-cranes webhuloho eliphindwe kabili aqukethe imishayo emibili yebhuloho enamathiselwe kwithrekhi, futhi imvamisa ihlinzekwa ngentambo ephezulu yokusebenzisa i-wire ngamandla kagesi we-trolley hoist afaka amandla e-trolley hoists ephethwe ngogesi.
Usebenzisa amasistimu wokuhlanganisa amanje, ama-Tranes ama-Tound Double Orhead angashintsha isisindo sawo ukuze anciphise amabutho abekwe esakhiweni imithwalo yawo lapho kulayishwa umthamo omkhulu wempahla. Njengoba ama-bridge crane spans kanye namakhono anwebisa, ama-girders avuselelayo avuselelwayo azokwandisa ukujula okudingekayo (ukuphakama kwe-girder) nesisindo ngonyawo. Ukwakheka okuyisisekelo kwe-crane ebekwe ebhulohweni ebhulokwe ebhulohlwile Ama-Cranes aphezulu nge-GH Cranes & Izakhi zitholakala ngezitayela ezimbili, ama-box-girder kanye namaphrofayili ajwayelekile, futhi ahlome ngendlela yokuphakamisa eyakhelwe ngaphakathi, imvamisa kungaba yimodeni noma evulelekile.