2. Ngokusho mechanical air esitsheni amanzi level amanzi njalo inakekelwe ezingeni elithile, kungaba ngempumelelo ukugwema izingulube, izinkomo kanye nezimvu okubangelwa amanzi indle.
3. Entweni ehlobene nephedi lesikhumba lokukhipha amanzi elivamile kulula ukuguga, isilawuli sezinga lamanzi sisebenzisa ingcindezi kanye nomgomo wokulawula ukucindezela kwamanzi okuzenzakalelayo kwethangi lamanzi ngaphandle kokugqoka izingxenye.
4. Idizayini yenkinobho yokusonta enezizipho eziyisithupha ifakwe ngokuqinile emshinini ukuze kuvinjelwe ukugqwala nobunzima bokuhlanza okuqinile okulethwa ukukhwezwa kwesikulufa okungaguquki kwendabuko.
5. Ngokusho kwesimiso se-aerodynamic, izinga lamanzi lilawulwa ngokuzenzakalelayo ukuze kuqinisekiswe ukuthi izinga lamanzi ku-sink lihlala likumugqa.Isilinganiso sokusetshenziswa kwamanzi nsuku zonke singamaphesenti angama-65 womthamo wamanzi, uma kuqhathaniswa nomthombo wamanzi osetshenziswa kakhulu.
3. Entweni ehlobene nephedi lesikhumba lokukhipha amanzi elivamile kulula ukuguga, isilawuli sezinga lamanzi sisebenzisa ingcindezi kanye nomgomo wokulawula ukucindezela kwamanzi okuzenzakalelayo kwethangi lamanzi ngaphandle kokugqoka izingxenye.
4. Idizayini yenkinobho yokusonta enezizipho eziyisithupha ifakwe ngokuqinile emshinini ukuze kuvinjelwe ukugqwala nobunzima bokuhlanza okuqinile okulethwa ukukhwezwa kwesikulufa okungaguquki kwendabuko.
5. Ngokusho kwesimiso se-aerodynamic, izinga lamanzi lilawulwa ngokuzenzakalelayo ukuze kuqinisekiswe ukuthi izinga lamanzi ku-sink lihlala likumugqa.Isilinganiso sokusetshenziswa kwamanzi nsuku zonke singamaphesenti angama-65 womthamo wamanzi, uma kuqhathaniswa nomthombo wamanzi osetshenziswa kakhulu.