Since very few processing plants can be designed for a 100 percent overload capacity, it becomes a prime consideration in dredge design and construction to limit the permissible variation in output to somewhere between 50 and 150 percent.
Njengoba izitshalo ezimbalwa kakhulu zokucubungula zingahle zenzelwe umthamo wokulayisha ngokweqile okungamaphesenti we-100, kuba ukucatshangelwa okuphezulu ekwakhiweni kwedreyini nokwakhiwa ukuze kukhawulelwe ukuguquguquka okuvumelekile kokuphumayo kuya endaweni ethile phakathi kwe-50 nephesenti le150.