§ 96.066 MANNER OF EXCAVATING.
   (A)   It shall be unlawful to make any excavation, auger or tunnel under any street or alley or other public place in any way contrary to or at variance with the terms of the permit therefor. Proper bracing shall be maintained to prevent the collapse of adjoining ground and in excavations, the excavation shall not have anywhere below the surface any portion which extends beyond the opening at the surface.
   (B)   No injury shall be done to any pipes, cables or conduits in making any excavation or tunnel. Notice shall be given to the persons maintaining any such pipes, cables or conduits, or to the Village department or officer charged with the care thereof, which are or may be endangered or affected by the making of any such excavation or tunnel before the pipes, cables or conduits shall be disturbed.
   (C)   No unnecessary damage or injury shall be done to any tree or shrub or the roots thereof.
('73 Code, § 29-67) Penalty, see § 10.99