Sammamish Unified Development Code

Environment & Sustainability | Environmentally Critical Areas

2. Public water, electric, and natural gas distribution, public sewer collection, cable communications, telephone utility, and related activities undertaken pursuant to City-approved best management practices, as follows: a. Normal and routine maintenance or repair of existing utility structures or rights-of-way; b. Relocation of electric facilities, lines, equipment or appurtenances, not including substations, with an associated voltage of 55,000 volts or less, only when required by a local governmental agency that approves the new location of the facilities; c. Replacement, operation, repair, modification, installation, or construction in existing developed utility corridors, an improved City street right-of-way or City- authorized private street of all electric facilities, lines, equipment, or appurtenances, not including substations; d. Relocation of public sewer local collection, public water local distribution, natural gas, cable communication or telephone facilities, lines, pipes, mains, equipment, or appurtenances, only when required by a local governmental agency that approves the new location of the facilities; and e. Replacement, operation, repair, modification, installation, or construction of public sewer local collection, public water local distribution, natural gas, cable communication or telephone facilities, lines, pipes, mains, equipment, or appurtenances when such facilities are located within an improved public right-of- way or authorized private street;

3. Maintenance, operation, repair, modification, or replacement of publicly improved streets as long as any such alteration does not involve the expansion of streets or related improvements into previously unimproved rights- of-way or portions of rights-of-way; 4. Maintenance, operation, or repair of parks, trails and publicly improved recreation areas as long as any such alteration does not involve the expansion of improvements into previously unimproved areas or new clearing of native vegetation beyond routine pruning and related activities; and 5. All clearing and grading activities that are exempt from the requirement for a clearing and grading permit as specified in SDC 21.03.070E., unless these activities require other permits or authorizations as specified in SDC 21.03.020B.

G. Allowances for existing urban development and other uses

Subject to the limitations set forth in subsection 1. of this section the following developments, activities, and uses are allowed in critical areas and associated buffers and building setbacks as specified in the following subsections, provided such activities are otherwise consistent with this program and other applicable regulations. The director may apply conditions to an underlying permit or approval to ensure that the activities are consistent with the provisions of this chapter. 1. Change of Use and Existing Improvements. Approval of a preliminary subdivision, short subdivision or binding site plan shall require that an existing improvement, or nonconformance, as that term is defined in SDC 21.04.040B.237., be removed or discontinued prior to

62 | Title 21: Sammamish Development Code

Effective | January 1, 2022

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