(1) Definition.

(a) Fine Arts. Sculpture, monuments, bas reliefs, mosaics, frescoes, stained glass, murals and fountains which either contain sculpture, or are designed to enhance adjacent accompanying sculpture.

(2) Expenditures for Fine Arts. An amount not to exceed one per cent of the total dollar amount of any construction contract for a building, bridge and its approaches, arch, gate or other structure or fixture to be paid for either wholly or in part by the City, shall be devoted to the Fine Arts; provided, that the Art Commission certifies in writing that said ornamentation is fitting and appropriate to the function and location of the structure.