Development Standards—Design Requirements | Town Center
c. Roofline Modulation.
i. In order to qualify as an articulation feature in subsection 1. or 2. of this section, rooflines shall be varied by emphasizing dormers, chimneys, stepped roofs, gables, prominent cornice or wall, or a broken or articulated roofline. ii. The width of any continuous flat roofline should extend no more than 120 feet without modulation. Modulation shall consist of one of the following: a) A change in elevation of the visible roofline of at least four feet if the particular roof segment is less than 50 feet wide and at least eight feet if the particular roof segment is greater than 50 feet in length; b) A sloped or gabled roofline segment of at least 20 feet in width and no less than four feet vertical in 12 feet horizontal;
d. Maximum Facade Width. The maximum facade width (the facade includes the apparent width of the structure facing the street and includes required modulation) is 120 feet. Buildings exceeding 120 feet in width along the streetfront shall be divided by a minimum 30-foot-wide modulation of the exterior wall, so that the maximum length of a particular facade is 120 feet. Such modulation shall be at least 20 feet or deeper and extend through all floors. Other design features will be considered by the director that effectively break up the scale of the building and add visual interest. The director may waive this provision for special conditions, such as a parking garage or institutional building if the structure is screened from view or located in a visually obscure location. In order to grant such a waiver, the director
c) A combination of the above; or
d) Other modulation measures approved by the director.
Effective | January 1, 2022
Title 21: Sammamish Development Code | 491
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