It shall be unlawful to open or tear up any of the paved streets of the city for any greater distance than two (2) blocks in extent at any one time, for the purpose of laying railroad tracks, car tracks, sewers, telegraph or telephone cables, or the repairs of the same, or other purposes other than laying down new pavements. The pavement of the first block opened shall be temporarily relaid and the debris removed before opening another block of the street in which the work is being prosecuted. The superintendent of streets shall provide the necessary rules governing the repairs in paved streets under this and other chapters of this code, so that the pavements shall be absolutely replaced in as good order as before being disturbed, within three (3) weeks after it is first turned up; provided, that no person shall be permitted to excavate in or disturb the surface of any street, alley or avenue which is improved by pavement, for the purpose of laying any pipe, or main, or supply pipe or lateral for the supply of gas. (Ord. 872, 2-17-1981)