(1) Care for the property belonging to this State;

(2) Keep clean and in good order all the rooms, offices, apartments, library and furniture, halls, stairways and cellars in the buildings;

(3) Attend to the heating of the same;

(4) Look after the pavements and grounds attached thereto; and

(5) Perform the duties and do any and all things directed to be done by the Director of the Office of Management and Budget.