Iicranes zeTower ngoku zisetyenziswa ngokubanzi kubunjineli beprojekthi.Yenziwe ngokubulala inkqubo yenqaba, indlela yokubulala, inkxaso ephantsi kunye ne-slewing bearing ect.Phakathi kwabo, i-ring slawing iyona nxalenye ephambili yesakhiwo se-crane yenqaba.