Environment & Sustainability | Trees
lots in areas unconstrained by environmentally sensitive areas and associated buffers. d. Replacement trees shall be planted as provided in SDC 21.03.060J., Tree replacement standards, except the replanting requirement shall be doubled for development proposals in the O, NB, and CB zones where tree retention is less than 25 percent. e. Trees previously designated for protection or located within a designated open space tract or environmentally critical area tract may not be removed unless they are determined to be hazardous. Any trees qualifying for an exemption under SDC 21.03.060E. are not included in the limits established by this section.
c. Significant trees part of any other on-site and/or off-site continuous canopy;
d. Significant trees providing relief from identified environmental impacts;
e. Significant trees providing perimeter connectivity and/or off-site screening; f. Significant trees able to be incorporated into required landscaping;
g. An isolated cluster of significant trees;
h. Individual significant trees.
2. Designation. Any applicable application and/or plan required for new development shall show all significant trees designated for protection. These areas may be shown by labeling them as “Protected Significant Trees” or such other designation as approved by the director. Protected vegetation, including protected trees, shall not be modified, harmed, or removed except as provided in this section. 3. Preservation. An approval for new development may require the significant trees to be retained are permanently preserved within a tract, easement or other permanent protective mechanism. When required, the location, purpose, and restrictions of these protected areas shall be shown on the face of the deed, plat, binding site plan, covenant or similar document, and shall be recorded with the King County department of records and elections or its successor. The recorded document shall include the requirement that the protected areas shall not be removed,
H. Variances
1. Variances. Where conditions exist that prevent full compliance with this chapter, the applicant may request a variance pursuant to SDC 21.09.010B. and the decision criteria as described for such in SDC 21.09.100C.
Tree protection standards
I.
1. Priority. Significant trees identified for retention pursuant to SDC 21.03.060G. shall be selected, to the extent feasible, subject to the following order of priority from most important to least important: a. Significant trees part of a continuous canopy adjacent to an environmentally critical area and associated buffer; b. Significant trees part of a continuous canopy adjacent to a public park and/or other protected open space;
170 | Title 21: Sammamish Development Code
Effective | January 1, 2022
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