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Appendix -Design Guidelines <br />Appendix: Design Guidelines <br />Design guidelines expand upon the Phase I "Design Principles," particularly <br />those listed below. In general, the intent is to promote development that en- <br />couragesnew residents and employees to walk to downtown shops and tran- <br />sit,and to ensure an architectural character that is complementary to the many <br />attractive older residential and commercial buildings in the greater down- <br />town San Leandro area. <br />Design Guidelines Principles <br />a. Buildings Shall Face Streets and Provide Attractive Main Building En- <br />trances, Porches, and other Welcoming Architectural Features. <br />b. Surface Parking Areas and Garages Shall not Dominate Street Frontages. <br />c. New Buildings and Renovations Shall Reflect the Traditional Building <br />Forms and Materials of Attractive Older Residential Buildings in the Vi- <br />cinity. <br />1) Office/R&D Guidelines <br />In general, buildings should be designed to be sensitive to an inflll context, <br />rather than the "stand-alone' characteristics of a business park. Main build- <br />ing entrances should be prominent and located on a street-front facade or a <br />street-fronting building corner. Large buildings should incorporate breaks or <br />accents in the building mass that reflect the parcel widths typical in older <br />surrounding areas. Windows should be provided in individual recessed open- <br />ings and/or window groupings or bays, rather than long, undifferentiated <br />"ribbon' windows. <br />A. BUILDINGMASSING -Building mass and/or facade composition should <br />vary in modules of 50 feet or less for smaller-scale buildings, and 100 feet <br />or less for larger-scale buildings. This module maybe created in a num- <br />ber of ways: changes in roof line and window groupings, projecting or <br />recessing wall surfaces, and/or placement of surfaced pilasters, piers or <br />columns. <br />B. MASSIVE SINGLE BUILDING PROJECTS -are not recommended. A <br />grouping of smaller buildings should be developed instead; see C, be- <br />low. <br />C. MULTIPLE BUILDING PROJECTS -Buildings should be grouped and <br />arranged to shape distinct and memorable open space(s) between, as is <br />common on campuses. Squares, malls, crescents, and other clearly de- <br />finedspaces are recommended for large green areas; courtyards, paseos, <br />and plazas are recommended for smaller paved areas. Special architec- <br />tural and site features (e.g., towers, fountains, landmarks) should be used <br />to focus and accent spaces by framing entrances, providing a focus for <br />axial views, highlighting central focal points, etc. <br />D. SPECIAL ARCHITECTURAL FEATURES -Architectural features (such <br />as gables, turrets, towers, and loggias) should be used to accent build- <br />ings at major street corners; at the terminus of a street corridor, lane, or <br />pedestrian way; at driveway entrances; and at other highly-visible build- <br />inglocations. <br />E. FACADE COMPOSITION -Buildings should have a defined base, a clear <br />pattern of openings and surface features, a recognizable and distinctive. <br />main entrance, and an attractive roofline as described below: <br />1. Building Base -This may be created by an ornamental or visually <br />"heavier" wall surface for the lower portion of the ground floor (or <br />for the entire ground floor of a two- or more story building), a slight <br />setback of upper floors, a substantial cornice, or other techniques <br />that provide an architectural foundation. <br />2. Pattern of Windows, Doors, and Surface Features -Windows, doors, <br />and wall panels should be based on a module derived from the build- <br />ing's structural bays. Features based on this module should be car- <br />ried across windowless walls to relieve blank, uninteresting surfaces. <br />Door and window openings should be aligned and composed verti- <br />cally to create an orderly and attractive facade. In general, first-floor <br />window openings should be larger, with upper-floor window open- <br />ings smaller and somewhat different yet complementary in form. <br />3. Building Entrances -Main building entrances should be prominent <br />and easy to identify: <br />a. Main building entrances - At least one of the following ap- <br />proaches is recommended: <br />(i) The entrance should be marked. by a taller building mass <br />above, such as a tower, and/or within a volume that protru- <br />des or is recessed from the rest of the building surface; <br />-Al- <br />