Sammamish Unified Development Code

Public Works and Buildings | Concurrency

vi. Expansion of a residential structure provided the expansion does not result in the creation of an additional dwelling unit or accessory dwelling unit as defined in SDC 21.04.040B.93. to SDC 21.04.040B.98.; vii. Miscellaneous non-traffic generating improvements, including, but not limited to, fences, walls, swimming pools, sheds, and signs;

that necessitate the concurrency test be performed in the order received for single-family residential building permit applications on existing lots. b. For all other development, review of each application as received in subsection 4. of this section. 2. If the impact of the development does not cause the level of service to decline below the standards set forth in SDC 21.08.020E., the concurrency test is passed, and the applicant shall receive a certificate of concurrency. 3. If the impact of the development will cause the level of service to decline below the standards set forth in SDC 21.08.020E., the concurrency test is not passed, and the applicant may select one of the following options: a. Accept a 90-day reservation of public facilities that are available, and within the same 90-day period amend the application to meet the level of service standard set forth in SDC 21.08.020E.; or b. Appeal the denial of the application for a certificate of concurrency, pursuant to the provisions of SDC 21.08.020H.; or c. Arrange to provide for public facilities that are not otherwise available and that cause the level of service to rise to the standards set forth in SDC 21.08.020E. 4. The City shall conduct the concurrency test, as needed, in the order that completed applications are received and proposed trip generation estimates are approved by the City.

viii. Demolition or moving of a structure; or

ix. Tenant improvements that do not generate additional trips.

D. Concurrency test

1. The City shall perform a concurrency test for each application for a certificate of concurrency. The public works director, or his/her designee, shall use the following methods to conduct the concurrency test: a. For individual single-family residential building permit applications on existing lots, or other land use permits that generate less than 10 trips during an individual peak hour, the City will run a concurrency test after permit applications have been received that collectively result in 10 or more trips during an individual peak hour; provided, however, that a concurrency certificate can be issued without conducting the concurrency test when fewer than 10 accumulated trips have been generated since the last concurrency test. The City may run the concurrency test when less than 10 accumulated trips have been generated since the last test when there are existing public transportation facility circumstances

574 | Title 21: Sammamish Development Code

Effective | January 1, 2022

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