Once in every three months the inspector or his deputy shall make a personal inspection of every building and premises within the fire limits and shall especially inspect the basement and garret and he shall make such other inspections as may be required by the State Fire Marshal. He shall report to the city council and to the Marshal all defects found by him in any building and all dangerous conditions on premises upon a blank furnished by the Marshal. The inspector shall notify the owner or occupant of buildings of any defects and notify them to correct them within a reasonable time.