Duluth UDC § 1112.03

1. The tree survey as required in Article 7 shall be in the form of a to-scale map or a site plan prepared and sealed by a registered surveyor or certified engineer, arborist, or landscape architect, noting the location of all trees within the area to be modified from its natural state and 25 feet beyond in each direction or to the property line, whichever is less. (See example in Article 7.) 2. All Specimen Trees and all trees that are to be counted toward meeting canopy coverage requirements must be shown on the survey and inventoried by size (caliper or DBH, whichever is applicable) and species. 3. Sampling methods may be used to determine canopy coverage for forested (over 5 acres). Specimen Trees must be shown on the plan with an indication whether they are to be retained or removed. All Tree Protection zones (see example in Article 7) and Tree Save Areas must be delineated on the plan. All 309 | P a g e Article Eleven. Procedures and Permits Buffers with existing trees must be delineated on plans as Tree Save Areas. Land disturbance within any Buffer is subject to Planning and Development Department approval.