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Portland City Code ch. 14

Citation
Portland City Code ch. 14
Parent Document
Portland City Code ch. 14
Jurisdiction
Portland (municipal)

Other Sections in This Document (541)

Full Text

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Façade, blank. A building façade that contains          Stepback. A building setback of a specified distance
expanses of wall area with no windows, no               measured from the ground floor building face that
entrances, no articulation, and no other elements or    occurs at a prescribed number of stories or height
features, or is otherwise undifferentiated.             above the ground and excludes the minimum
                                                        necessary housing of elevators, stairways, tanks,
Green roof. A roof of a building that is partially or   fans, or other building operating equipment not
completely covered with vegetation and designed to      intended for human occupancy.
meet the Maine Stormwater Best Management
Practices Manual standards and recommendations.         Yard, side. A yard adjoining a side lot line extending
A green roof installation must serve the purpose of     from the front yard to the rear yard, the width of
reducing stormwater runoff through retention or         which shall be the shortest horizontal distance
slowing and consist of an assembly that at a            between the side lot line and any structure. On
minimum includes a root repellent system, a             corner lots, non-frontage yards shall be considered
drainage system, a filtering layer, a growing medium    side yards.
and plants, and shall be installed on a waterproof
membrane. The vegetated area of a green roof may        Zero lot line. The location of a structure on a lot
be considered pervious for zoning impervious            such that one or more of the structure sides rests
calculations.                                           directly on a lot line. 9-4 | CITY OF PORTLAND LAND USE CODE FORM-BASED ZONES