None of the provisions of this chapter shall apply to any work done or to be done along, in or upon any street, alley or other public place pursuant to any law of the state providing for the improvement thereof; provided, however, that the provisions contained in § 12.08.060 shall apply to all such work and to all excavations to be made along, in or upon any public street, alley or other public place.
(`83 Code, § 12.08.150)