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Memo to Planning Commission/OA 00-7 Page 2 August 22,2000 III Existing Architectural Standards "Major exterior surfaces of all walls shall be face brick, stone, glass, stucco, architecturally treated concrete cast in place or pre-cast panels, decorative block, or architectural metal, or approved equivalent, as determined by the Zoning Administrator." The above existing standards are too broad and give the Zoning Administrator too much latitude in determining appropriate building materials. Developers should know up front exactly what exterior building materials are allowed. The existing standards would also allow plain gray, smooth or rake faced concrete cast in place or pre-cast tip up panels and metal pole buildings. This type of material might be suitable for our II or 12 districts but not in the BP district. Proposed Architectural Standards All buildings shall be constructed of material listed as either Class I or Class II materials. At least 60% of each building wall facing a public right-of-way, other public property or a residential district must be of Class I material. Portions of the • building not facing a public right-of-way, other public property or residential district may be constructed of a greater percentage of Class II materials if the structure otherwise conforms to all City ordinances. The mixture of building materials must be compatible and integrated. Class I Materials : Brick, marble, granite or other natural stone, textured cement stucco, copper, porcelain, glass and integral colored split face (rock face) block Class II Materials : Exposed aggregate concrete panels, burnished concrete block, exposed aggregate concrete block, architecturally treated cast in place concrete panels (smooth or raked faced panels are not acceptable), artificial stucco (E.I.F.S., Drivit), artificial stone, pre-finished architecturally detailed metal and wood, provided the surfaces are finished for exterior use or is wood of proven exterior durability is used, such as cedar, redwood or cypress The proposed standards specifically list which walls have to consist of materials from the approved list. Those walls that face streets, residential districts and public facilities, including parks, have to consist of approved materials. The proposed standards would eliminate the need for staff to make subjective determinations about what are appropriate exterior materials. The proposed standards also eliminate smooth faced concrete masonry units and smooth or rake faced concrete cast in place or pre-cast panels from the list of approved IIIexterior materials as well. S:\PLANN ING\SCOTT\OA00-7.DOC