Sammamish Unified Development Code

Trees | Environment & Sustainability

IV – special permit) issued by DNR for the purpose of commercial timber operations, no approval is required but no land use permits will be issued for six years following tree removal.

e. Conducting a post-construction site inspection and evaluation.

E. Exemptions

1. Removal Exemptions. The following actions are exempt from obtaining approval as required in this chapter: a. Emergency removal of any significant tree necessary to remedy an imminent danger as defined in SMC 16.25.190; b. Removal of any significant tree in public easements and public rights-of-way; and Documentation of significant tree removal under this section shall be provided to the City within 21 days of removal. 2. Retention Exemptions. The following conditions are exempt from retention calculation as required in this chapter: a. Significant trees determined to present an imminent danger; or b. Significant trees located in public utility easements and public rights-of-way.

C. Calculations—Rounding

1. When calculations result in a fraction, the fraction shall be rounded to the nearest whole number as follows:

a. Fractions of 0.50 or above shall be rounded up; and

b. Fractions below 0.50 shall be rounded down.

D. Evaluation required

1. Professional Evaluation. In determining whether an approval shall be granted, the submittal of a professional evaluation and/or a tree protection plan prepared by a Certified Arborist may be required when the City deems such services are necessary to demonstrate compliance with the standards of this chapter. Such professional evaluation(s) and services may include: a. Providing a written evaluation of the anticipated effects of proposed construction on the viability of trees on a site;

F. Removal standards

b. Providing a hazardous tree assessment;

1. R-1, R-4 and R-6 Zoned Lots. A lot as defined in SDC 21.04.040B.203. zoned R-1, R-4 or R-6 as of the effective date of this chapter must obtain a tree removal permit prior to removing any significant tree located on the lot. This requirement does not apply to rights vested to prior land use regulations.

c. Providing a written evaluation of heritage trees and/ or landmark trees, as well as significant trees, near environmentally critical areas and associated buffers; d. Developing plans for tree protection or replacement, including supervising and/or monitoring implementation of any such plans; and/or

Effective | January 1, 2022 Revisions | June 29, 2022

Title 21: Sammamish Development Code | 167

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