Section 23. The City Engineer — His powers, duties and compensation. —

There shall be a city engineer, who shall be in charge of the department of engineering and public works. He shall receive a salary of seven thousand two hundred pesos per annum. He shall have the following powers and duties:

1. He shall have charge of all the surveying and engineering work of the city, and shall perform such service in connection with public improvements, or any work entered upon or proposed by the city, or any department thereof, as may require the skill and experience of a civil engineer.

2. He shall ascertain, record, and establish monuments of the city survey and from thence extend the survey of the city, and locate, establish, and survey all city property and also private property abutting on the same, whenever directed by the Mayor.

3. He 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.

4. He 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.

5. He shall have the care of all public buildings, when erected, including markets and slaughterhouses and all buildings rented for city purposes, and of any system now or hereafter established by the city for lighting the streets, public places, and public buildings.

6. He shall have the care of all public streets, parks, and bridges, and shall maintain, clean, sprinkle, and regulate the use of the same for all purposes as provided by ordinance; 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.

7. He shall have the care and custody of all public docks, wharves, piers, levees, and landing places owned by the city.

8. He shall prevent the encroachment of private buildings and fences on the streets and public places of the city.

9. He 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.

10. He shall have the care and custody of the public system of waterworks and sewers, and all sources of water supply, and shall control, maintain and regulate the use of the same, in accordance with the ordinance relating thereto; shall inspect and regulate the use of all private systems for supplying water to the city and its inhabitants, and all private sewers and their connections with the public sewer system.

11. He shall supervise the laying of mains and connections for the purpose of supplying gas to the inhabitants of the city.

12. He shall inspect and report upon the conditions of public property and public works whenever required by the Mayor.

13. He shall supervise and regulate the location and use of engines, boilers, forges, and other manufacturing and heating appliances in accordance with law and 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 and supplies furnished by his department.

14. He 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.

15. With the previous approval of the Mayor in each case, he shall order the removal of buildings and structures erected in violation of the ordinances; shall order the removal of the materials employed in the construction or repair of any building or structure made in violation of said ordinances; and shall cause buildings or structures dangerous to the public to be made secure or torn down.

16. He shall file and preserve all maps, plans, notes, surveys, and other papers and documents pertaining to his office.