The space within the interior of the capitol building shall be allocated and controlled as follows:
(1) Public space. The interior within the rotunda, the hallways on the first and second floors, the restrooms located adjacent thereto, the elevators, the stairways between the first, second, third and fourth floors (excepting the interior stairways between the third and fourth floors within the legislative chambers), shall be space within the capitol building open to the public (“public space”). Subject to this chapter, the director of the department of administration shall maintain all public space.
(2) Executive department. The governor shall determine the use and allocate the space within the second floor. The director of the department of administration shall maintain such space.
(3) Legislative department. The legislative department shall determine the use of the space on the first, third and fourth floors as well as the basement, which basement shall include the underground atrium wings. All space within the first, third and fourth floors and the basement shall be allocated by the presiding officers of the senate and house of representatives. The presiding officers shall maintain such space and provide equipment and furniture thereto, provided however, that the presiding officers may contract with the director of the department of administration to maintain such space and provide equipment and furniture thereto.