Ubume bodonga lubandakanya i-H20 yeplanga yeplanga, iintsimbi zentsimbi kunye nezinye iindawo ezidibanisayo. Ezi zixhobo zinokudityaniswa iipaneli zeformwork kububanzi obuhlukeneyo kunye nokuphakama, kuxhomekeke kubude be-H20 beam ukuya kwi-6.0m.