Ifomu yegirder elungiselelwe kwangaphambili ineengenelo zokuchaneka okuphezulu, ulwakhiwo olulula, ukurhoxa, ukushenxiswa okulula kunye nokusebenza okulula. Ingaphakanyiswa okanye itsalwe kwindawo yokubumba ngokupheleleyo, kwaye isuswe ngokupheleleyo okanye ikhutshwe kancinci emva kokuba ikhonkrithi ifumene amandla, emva koko ikhuphe isikhunta sangaphakathi kwigirder. Ilula ukuyifaka nokulungisa iimpazamo, iyasebenza kancinci, kwaye isebenza kakuhle.
I-viaduct yebhulorho yahlulwe yangamacandelo amancinci, alungiselelwe kwangaphambili kwindawo yokulawula umgangatho olungileyo, aze ke, athunyelwe ukuba afakwe zizixhobo ezifanelekileyo zokumisela.