(A) It shall be unlawful to make any such excavation, tunnel, or street cut in any way contrary to or at variance with the terms of the permit acquired therefor. Proper bracing shall be maintained to prevent the collapse of adjoining ground; and, in excavations, the excavations shall not have anywhere below the surface any portion which is undercut beyond the opening at the surface.
(B) In any subsurface excavations the MIOSHA standards applicable and in effect in the State of Michigan shall be used by any contractor or individual making such excavations, and such MIOSHA standards shall be adopted and incorporated into this section by reference.
(C) No injury or damage shall be done to any pipes, cables or conduits in the making of such excavation or tunnel, and notice shall be given to the persons maintaining any such pipes, cables or conduits as above set forth.
(D) No unnecessary damage or injury shall be done to any trees or shrubs or the roots thereof.
(1990 Code, § 4.7) Penalty, see § 10.99