(A) Tree removal and replacement. Removal or loss of significant trees shall be in accordance with the city-approved tree preservation component of the natural resources management plan. All significant trees on the property, as identified in the tree preservation component of the plan, shall be tagged with the coordinating number as stated in the plan before any project work begins and shall remain tagged until completion of the project. Tree removal and replacement shall be as follows:
(1) For individual lot development for commercial, industrial, and institutional uses, 10% of the total number of diameter inches of significant trees removed must be replaced with caliper inches within the subject lot. Trees replaced under this requirement may be used to satisfy part of the landscape requirement for the lot;
(2) For individual lot development for residential use, when tree removal that occurs within the building footprint, impervious surface areas (such as driveways and sidewalks), or within 20 feet of foundation walls and:
(a) Exceeds six significant trees, replacement shall consist of a maximum of 12 caliper inches, located on the subject lot; or
(b) Consists of six significant trees or less, replacement shall consist of a minimum of two caliper inches for every significant tree removed, located on the subject lot;
(3) When tree removal occurs more than 20 feet outside the foundation walls, replacement shall be a minimum of two caliper inches for every significant tree removed, located on the subject lot; and
(4) For all projects not covered by divisions (1), (2) and (3) above including, but not limited to, subdivision grading, 10% of the total number of diameter inches of significant trees removed must be replaced with caliper inches within the subdivision. Trees replaced under this requirement may be used to satisfy part of any landscape plan requirements under this code.
(B) Size, types, diversification of replacement trees. No more than one-third of the replacement trees shall be of the same species of tree, without approval of the city. Box elder, poplar, willow and silver maple are not permitted as replacement trees. Replacement trees must be no less than the following sizes:
(1) Deciduous trees shall be no less than two caliper inches; and
(2) Coniferous trees shall be no less than six feet high.
(C) Time to perform. Replacement trees shall be planted prior to the expiration of the permit or within 30 days of completion of all construction on the property, whichever first occurs, unless otherwise approved by the city for reasons of time of planting season. The applicant shall inform the city when all replacement trees have been planted in order that the city may inspect the subject property for compliance with the tree preservation component.
(D) Quality of replacement trees. Replacement trees shall be healthy stock, free of insects and disease and meet the guidelines set by the American Standards of Nursery Stock.
(E) Violation of natural resources management plan-Tree Preservation Component. The applicant shall comply with the following requirements if any loss of any significant tree, as defined herein, occurs in violation of the city-approved tree preservation component of the natural resources management plan for the subject property:
(1) Replace the diameter inches of the significant tree lost with equal caliper inches in accordance with division (B) of this section; and
(2) Any loss of a significant oak tree shall be replaced by an oak tree and the location of the replacement oak tree shall be determined by the city.
(F) The applicant shall comply with the foregoing requirements upon a 30-day written notice by the city of the loss of a significant tree in violation of the city-approved tree preservation component of the natural resources management plan.
(Ord. 864, passed 6-11-09)