Ukungenwa kahle kwamanzi okukhipha amanzi angaphakathi nakho kubeka engcupheni izinga lempilo nempilo yezakhamuzi.Ngenxa yokuthi indle yokuhlala kufanele iqukathe izinto ezingancibiliki kakhulu, kanye nokushiyeka komklamo wamanje wokudonsa amanzi wasendlini, kunzima ukukhipha i-sediment ngesikhathi, ithuba lokuhlanza ngesikhathi lincane kakhulu, kulula ukwenza ukuvinjelwa.
Emhlobiso wendawo yokuhlala, abantu abaningi ngokwengeziwe bayaqaphela ukubaluleka kokudonsa phansi, ikakhulukazi ekuhlobiseni kwekhishi kanye negumbi lokugezela eliphansi kunesidingo esiphezulu kakhulu.Kuyamukelwa ngokuvamile ukuthi imisele yaphansi idinga ukuhlala okungenani iminyaka engu-10 futhi ibukeke isezingeni eliphezulu. ukuhlanzeka kokufakwa kwempahla yenhlanzeko efanele kunikezwa ekukhetheni nasekuthengeni, kudinga ukwazi ulwazi olumbalwa nekhono, kungaletha izinkinga eziningi kubahlali, umnikazi ngaphandle kwalokho, futhi kuletha ukungabi nakuzisiza empilweni kusukela manje, ikhwalithi yokuphila ethintekile.Ngakho-ke ngokuqhubeka kwezinto nobuchwepheshe, sidinga ukuqhubeka siqongelela ulwazi futhi sihlole ukukhethwa kwamapayipi aphansi.