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Commercial, Industrial and Institutional
<br />• 4. Commercial, Industrial, and Institutional. All buildings erected on land within
<br />commercial, industrial and public and semi- public zoning districts, and all institutional
<br />buildings (such as public, education, and religious buildings) in residential and rural
<br />zoning districts shall conform with the following:
<br />a. All sides of the principal and accessory structures are to have essentially the
<br />same or a coordinated harmonious finish treatment pursuant to Section 3, Subd.
<br />4.B of this Ordinance.
<br />b. Exterior wall surfaces may be a combination of materials including brick,
<br />stucco, EFIS (exterior finish insulation system), textured, colored or
<br />decoratively finished pre -cast or poured -in -place concrete panel, textured
<br />concrete masonry units, natural stone, manufactured stone, transparent, tinted or
<br />low - reflective glass, or decorative metal cladding.
<br />Stucco or EFIS shall constitute no more than thirty (30) percent of the primary,
<br />front building elevation, and no more than sixty (60) percent of any side or rear
<br />building elevation. Stucco or EFIS shall not extend closer than three (3) feet to
<br />the ground plane.
<br />Decorative metal cladding refers to decorative, metal cladding systems such as
<br />copper, zinc, titanium, stainless steel and painted steel components fixed to the
<br />outside of the primary wall system. Complete or partial buildings comprised of
<br />structural metal wall panel systems that act as the primary wall system, or as a
<br />• complete wall system such as pole barns or similar structures common to
<br />agricultural or industrial storage uses are prohibited.
<br />c. Buildings shall have a well - defined base, middle and top. The base should
<br />appear visually distinct from the middle and top part (cornice) of the building
<br />through the use of a change in building materials, color, window shape or size,
<br />an intermediate cornice line, sign band, an awning, or similar techniques.
<br />d. Earth tone colors of exterior materials shall be required. "Earth tone colors"
<br />shall be defined as any various soft colors like those found in nature in soil,
<br />vegetation, etc. Such colors are limited to various shades or tints of brown,
<br />black, gray, tan, beige, brick red, soft green, soft blue, or white.
<br />e. Ten (10) percent of the building facade may contain contrasting colors.
<br />Contrasting colors shall be those colors not defined as earth tones.
<br />f. All mechanical equipment, such as air handling units located anywhere on the
<br />property, including rooftop equipment, shall be screened from view from
<br />adjacent streets, public rights of way, and adjacent properties.
<br />Where a site abuts a residential property, the location of air handling and other
<br />equipment must take into account the potential for noise and other impacts on
<br />the residential property.
<br />The city updated the commercial /industrial /institutional section in 2005. This section has
<br />functioned fairly well from staffs viewpoint. However it might be appropriate to add wood as
<br />an acceptable material under letter `b'. Also, for letter `c' we may want to add a statement like
<br />the Town Center Design and Development Guide has such as `Unless an exceptional quality of
<br />design and materials is demonstrated' to allow some relief from the base - middle -top approach.
<br />g.
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