Section 4
SEC. 4. The first paragraph of section two hundred four hundred and fifty-eight of die Administrative Code is amended to read as follows: "SEC. 2458. Powers and duties of city engineer. - There shall be a city engineer, who shall be in charge of the department of engineering and public works. He shall have charge of all the surveying and engineering work of the city, and shall perform such services in connection with the public improvements, or any work entered upon or projected by the city, or any department thereof, as may require the skill and experience of a civil engineer. He shall ascertain, record, and establish monuments of the city survey and from thence extend the surveys of the city, and locate, establish and survey all city property, and also private property abutting on the same, whenever directed by the Mayor; shall prepare and submit plans, maps, specifications, and estimates for buildings, streets, bridges, docks, and other public works and supervise the construction and repair of the same; shall make such tests and inspection of engineering materials used in construction and repair as may be necessary to protect the city from the use of materials of a poor or dangerous quality; shall inspect and report upon the condition of public property and public works whenever required by the Mayor; shall have the care aid custody of all public buildings,when erected, including markets and slaugh-terhouses and all buildings rented for city purposes, and of any system now or hereafter established for lighting the streets, public places, and public buildings of the city; shall prevent the encroachment of private buildings and fences on die streets and public places of the city; shall inspect and supervise the construction, repair, removal and safety of private! buildings, and regulate and enforce the numbering of houses,, in accordance, with the ordinances of ; the city; shall have the care of all public streets, parks, and bridges; shall maintain, clean, sprinkle, and regulate the use of the same for all purposes as provided by laws and ordinances; shall collect and dispose of all garbage, refuse, the contents of closets, vaults, and cesspools, and all other offensive and dangerous substances within the city; shall have the care and custody of all public docks,v. harves, piers, levees, and land places, when erected; shall have general supervision and inspection of all private docks, wharves, piers, levees, and landing places, and other property bordering on the harbor, river, esteros, and waterways of the city, and shall issue permits for the construction, repair, and removal of the same, and enforce all ordinances relating to the same; shall have the care and custody of all sources of water supply other than those under the Metropolitan Water District, and shall control, maintain, and regulate the use of the same, in accordance with the ordinances relating thereto. He shall file and preserve all maps, plans, notes, surveys, and other papers and documents pertaining to his office. He shall supervise the laying of mains and connections for the purpose of supplying gas to the inhabitants of the city. He shall have power subject to the approval of die mayor, to cause buildings, dangerous to the public to be made secure or torn down, and shall supervise and regulate the location and use of engines, boilers, forges, and other manufacturing aid heating appliances in accordance with law aid ordinance relating thereto. He is authorized to charge, at rates to be fixed by the Board with the approval of the Department Head, for sanitation and transportation services aid supplies furnished by hi s department."