Works of art selected and implemented pursuant to the provisions of this chapter, and any amendment to this chapter, may be placed in, on or about any such project. They may be attached or detached within or about such property and may be either temporary or permanent. Placement of such works of art shall be authorized by the Design Board, and City officers responsible for the design and construction of such projects shall make appropriate space available for the placement of such works of art. The Design Board shall advise the department responsible for the particular construction project of the Mayor's or his/her designee's decision regarding the design, execution and/or placement of works of art in connection with such project. For any proposed work of art or ornamentation requiring extraordinary operation or maintenance expense, the Design Board shall obtain prior written approval of the department head responsible for such operation or maintenance before submitting a proposal for such to the Mayor for approval. (Ord. 67-13, 2013)