(A) The person working in the street, alley or other public way shall be responsible for providing all warning devices and signs to provide for the safety of both pedestrians and vehicular traffic.
('78 Code, § 15-5)
(B) It shall be unlawful for any person having charge of any public or private improvement or building in the city to leave any hole, ditch or excavation of any kind in the surface of the earth in or adjoining any public square, street, alley, sidewalk or other public place without guarding or covering same in such manner as to protect persons and animals from injury.
('78 Code, § 15-6) Penalty, see § 10.99