(a) The chief engineer may require that fences be constructed as part of any channel improvement based upon a consideration of any one or more of the following: the height of the wall or bank, or shape of the channel, or the land use of the adjoining properties, or the depth of normal flow in the channel, or the location of the channel improvement or the possibility of people injuring themselves because of the channel improvement.
(b) Fences, when required, shall generally be erected on or immediately adjacent to the channel walls and they shall be maintained and repaired by the city.
(c) The minimum height of such fences shall be 42 inches.
(Sec. 16-6.11, R.O. 1978 (1983 Ed.)) (1990 Code, Ch. 14, Art. 12, § 14-12.11)