All openings and obstructions, as well as the area where the sidewalk is removed, shall be carefully guarded, protected or barricaded at all times, and during the night season shall be defined by red or amber lights and such other precautions shall be taken as are necessary to guard against accidents, and in this respect the City Manager may issue any additional orders as he may deem proper, which orders shall be implicitly and promptly complied with. At all times the work shall be done so as to cause the least inconvenience to property owners and the general public.
Excavations left unattended during non-working hours shall be protected by one of the following methods:
(a) Backfilled to level with surrounding surface with material acceptable to the City Engineer,
(b) Covered with steel plate(s) of sufficient size and design to support expected traffic loads, or
(c) Other method acceptable to the City Engineer.
(Ord. 1996-71. Passed 8-27-96.)