The Manager shall have general supervision over the streets, alleys, sidewalks, other public ways, drains, sewers and other improvements of the said City and of the construction, repair and maintenance thereof; he shall see that the streets are properly lighted, pursuant to contract. He shall investigate all applications for new streets, alleys, sidewalks, other public ways, drains and sewers and report to the Council his recommendation in regard thereto. He shall supervise, protect, maintain and repair all of the buildings and other property, real and personal, belonging to the said City and all of the equipment used by the Fire Department, and shall provide for the proper heating, cleaning and lighting of City buildings. He shall perform such other duties as may be delegated to him by the Mayor, subject to the approval of the Council, or as may be required of him by the Council.