Agenda - Council - 11/14/2023 - Laserfiche WebLink

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1 (C) Plan specifications content. The content of all tree preservation plans submitted shall be prepared and 2 signed by a licensed surveyor or forester not more than two (2) years prior to submission to the city 3 and shall include the following: 4 (1) The name(s), contact information (telephone number and email), and address(es) of 5 applicant(s), property owner(s), developer(s), and/or builder(s); 6 (2) Delineation of all buildings, structures, and impervious surfaces situated thereon or proposed 7 to be built thereon; 8 (3) Delineation of all areas located within a 100-year floodplain; 9 (4) Location, diameter, species, and condition of all significant trees on site in both graphic and 10 tabular form. For the purposes of this division, significant trees shall include: 11 a. All species of oak that have a DBH of four inches or greater; 12 b. All coniferous species that have a DBH of four inches or greater; and 13 C. All other trees that have a DBH of eight inches or more; 14 (5) Identification of which significant trees are to be (1) preserved, (2) removed; and (3) exempt 15 from the removal calculation per subsection(f)(3)of this section. This shall be in both graphic 16 and tabular form; 17 (6) Tabulation of total significant tree inches on site; 18 (7) Calculation of total inches being removed on site excluding exempt significant tree inches; 19 (8) Calculation of total exempt significant tree inches and indication of why each significant tree 20 is exempt; 21 (9) Calculation of removed significant tree inches (excluding exempt tree inches) divided by the 22 total significant tree inches on site(excluding exempt tree inches); 23 (10) Proposed locations and details of tree protection fencing to be installed around trees being 24 preserved; 25 (D) Tree protection measures. 26 (1) Before any construction or grading takes place, snow fencing (polyethylene laminate safety 27 netting) or erosion control fencing shall be placed at the dripline of significant trees to be 28 preserved. 29 (2) No construction shall begin until this work has been completed, inspected, and accepted by the 30 city.—The tree protection measures shall not be removed until the land disturbance and 31 construction activities are complete. 32 (3) Silt barriers or similarly effective erosion control barriers shall be required in any area where 33 erosion or siltation may cause damage to protected trees. 34 (4) Wherein authorized excavations it becomes necessary to expose or cut roots more than one 35 inch in diameter, it shall be the duty of the contractor to protect such root under advice from 36 the city. 37 (5) All open trenching is prohibited. Utility installation within the dripline of protected trees, 38 during construction or thereafter, can only occur using trenchless methods. 39 (6) The mowing, clearing, and grubbing of brush located within or under the dripline of protected 40 trees may be allowed, provided such mowing, clearing, or grubbing is accomplished by hand 41 or by mowers. The use of heavy equipment for this purpose shall not be allowed. 42 (E) Removal threshold. 43 (1) Within residential developments, no more than 60 percent of the inches of existing significant 44 tree DBH shall be removed. 45 (2) Within business and employment developments, no more than 70 percent of the inches of 46 existing significant tree DBH shall be removed. 47 (3) Significant trees removed for water quality treatment ponds, public trails and sidewalks, and 48 arterial and collector streets as defined herein, or that are considered invasive species, are 49 considered exempt from the removal threshold calculation. 50 (F) Reforestation/restitution requirement. If a development exceeds the removal threshold specified in 51 (E) above, the developer shall either reforest areas within the site, pay restitution, or some 52 combination thereof. For every one significant tree inch that is removed in excess of the removal Page 41 of 141