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City of Portland

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11.50.030 Development Impact Area Option For Large Sites and Streets.

Where development is proposed on a site larger than one acre or where work is occurring in the street and is not associated with an adjacent development site, the applicant may choose to establish a development impact area. For sites using the development impact area option, tree preservation requirements shall be based on the trees within the development impact area and tree density will be based on meeting Option B as applied only to the area within the development impact area. Trees may be planted to meet tree density requirement elsewhere on the site.