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A. Purpose. The overall purpose of these commercial and nonresidential design standards is to enhance and protect the community and its high quality of life, consistent with the city’s comprehensive plan goals and policies.

B. Massing and Composition. A strong overall building composition, along with a clear pattern of massing changes and modulation of building forms, is required to create interest and to support the building’s integration into the overall context.

1. Building massing shall be focused on the primary street front, with primary uses oriented to this frontage.

2. Where a building has a double frontage (e.g., street on side, parking on the other), primary and secondary facades shall be established.

3. Service uses, parking, and utilities should be accessed from nonprimary facades and fully screened.

4. Weather protection is required over the primary building entry/facade and shall cover at least fifty percent of overall facade.

5. Upper level balconies on buildings over two stories are encouraged, but subject to design review.

C. Building Modulation. Building facades of large-scale buildings such as commercial, office, or institutional buildings, where the building is multi-story or wider than sixty feet, as measured along the primary facade, shall substantially include the following modulation and other features:

1. Divide larger buildings into “modules” that are similar in scale – buildings with facades over one hundred feet in length parallel to a roadway or parking. Express modules three-dimensionally along the building’s exterior, limited to thirty feet in length. The minimum depth of modulation shall be eighteen inches and width is four feet if tied to a change in color, building material and/or roofline modulation; otherwise, the minimum depth is ten feet and minimum width is fifteen feet;

2. Significant building elements such as a focal point at a corner or mid-building;

3. Vertical building modulation in the form of window bays, pilasters, or other treatments;

4. Roof modulation through changes in height, pitch (i.e., flat to sloped), material, overhangs or roof cap detail (banding, cornice treatment, etc.);

5. Change in building material or siding style (perhaps coordinated with a change in building color);

6. Provision of lighting fixtures, trellis, trees, or other landscape feature within each interval;

7. Repeating distinctive window patterns at intervals less than the modulation interval.

D. Blank Wall Treatments. Blank walls, as defined in Chapter 22.12 MMC, visible from a public street, common open space, plazas, courtyards, sidewalks, trails, or interior pathways, are prohibited. Design treatments to eliminate blank walls shall include:

1. Landscape planting beds at least five feet wide or a raised planter bed at least three feet wide in front of the wall. Such planting areas must include planting materials that are sufficient to obscure or screen at least sixty percent of the wall’s surface within three years.

Figure 22.42.080(D). Blank Wall Treatments

2. Installation of a vertical trellis in front of the wall with climbing vines or plant materials sufficient to obscure or screen at least sixty percent of the wall’s surface within three years. For large areas, trellises should be used in conjunction with other blank wall treatments.

3. Other methods such as murals or special building material treatments that cover at least sixty percent of the wall’s surface.

E. Architectural Details. All new buildings shall substantially include the following elements on their primary facades subject to zoning administrator approval:

1. Display windows divided into a grid of multiple panes. Display windows can vary between storefronts to avoid uniform appearance on multi-tenant buildings;

2. Transom windows;

3. Recessed windows;

4. Decorative weather protection feature(s);

5. Material distinctions between ground and upper level;

6. Window bays;

7. Recessed entry;

8. Sills;

9. Pilasters;

10. Landscaped trellises or other decorative element that incorporates landscaping near the building entry (element must be integrated into the building and not a simple potted plant);

11. Decorative light fixtures;

12. Decorative building materials and/or trim work. This could include decorative stone, tile, or woodwork, decorative kick plates, or other methods as approved by the zoning administrator;

13. Artwork incorporated into the building facade or entry area.

Figure 22.42.080(E). Examples of Acceptable Facade Architectural Details

F. Exterior Materials.

1. Concrete blocks (cinder blocks) used for walls that are visible from public street or park shall be a textured surface and use colored mortar or other masonry types, i.e., brick glass block, or tile with the concrete blocks.

2. All vent, gutter, downspout, flashing, and electrical conduits shall match the color of adjacent surfaces unless they are used as a trim or accent element. (Ord. 005/2019 § 10 (Exh. B))