Mtundu wa U Wotentha WozunguliraMulu wa Mapepala Achitsulos, monga zipangizo zatsopano zomangira, ingagwiritsidwe ntchito ngati chosungira nthaka, chosungira madzi ndi khoma losungira mchenga pomanga mlatho wa cofferdam, kuika mapaipi akuluakulu komanso kufukula ngalande kwakanthawi. Imagwira ntchito yofunika kwambiri pa uinjiniya monga khoma losungira, khoma losungira ndi chitetezo cha m'mphepete mwa nyanja ndi malo otulutsira katundu. Mulu wa chitsulo wa Larsen monga cofferdam siwobiriwira kokha, woteteza zachilengedwe, komanso liwiro lomanga mwachangu, mtengo wotsika womanga, komanso uli ndi ntchito yabwino yosalowa madzi.