The person excavating in any street or public place, shall, if required by the Superintendent of Streets and Alleys to do so, immediately upon completion of the work, and as fast as practicable during the accomplishment thereof, return the earth, ram and pack down the same as fast as practicable to a firm and solid bearing state and in a manner, if possible, that will entirely prevent any settling of such earth. Such work shall be done to the satisfaction of the Superintendent and under his direction. The Superintendent may adopt proper rules and regulations for such relaying and replacing of such pavements and material. The Superintendent may relay all pavement caused by any street opening other than those openings specifically required to be relayed by others or by the President and Board of Trustees from time to time.
('73 Code, § 5.08(d)) Penalty, see § 10.99