The design of the buildings within the 42nd Street PUD shall be designed in such a manner to present an overall architecturally unified development through the use of similar materials, colors, architectural elements, etc. Architectural design and use of materials for the construction of any building within the PUD shall be accomplished in a manner compatible with PCP Professional Commerce Park Zone District building materials. The architectural design of any building shall be acceptable to the City and all buildings within the property shall have as a primary element of the exterior being face brick with all sides of any building built on the property consistent in design and use of materials. No wood, masonite, visible asphaltic exterior wall or roof material, aluminum siding, nonarchitectural sheet metal, concrete block, pre-cast concrete panels, drivet, E.I.F.S., or other similar materials shall constitute a portion of any building except as a trim material, unless the City Council of West Des Moines, after having received a recommendation from the Planning and Zoning Commission of West Des Moines shall determine said material when used as a primary element, enhances the physical appearance. (Ord. 1294, 4-6-1998)