In this task, you are given a sentence or phrase in Xhosa. You must translate it to English in a way that is equivalent in terms of meaning and grammatically correct.

Ukuba isithuba sesingenalusini kumkha-sangqa sinokucuthwa ngokongeza konke kubude benqanawa nobungakanani bentsontelo ezimisele ukunyusa nokukhusela iyadi yama 50 yenyele.
If space is particularly restricted the radius can be reduced (so far as proximity to other ships' berths is concerned) by adding together only the ship's length and the amount of cable which it is intended to veer, plus a safety margin of 50 yd.