Ord 2627 - TMC Chapter 18.44 "Shoreline Overlay" - Shoreline Uses and Update Zoning Regulations

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G. Archaeological, Cultural and Historical Resources. In addition to the requirements of TMC 18.50.110, Archaeological/Paleontological Information Preservation Requirements, the following regulations apply. 1. All land use permits for projects within the shoreline jurisdiction shall be coordinated with affected tribes. 2. If the City determines that a site has significant archaeological, natural scientific or historical value, a substantial development that would pose a threat to the resources of the site shall not be approved. 3. Permits issued in areas documented to contain archaeological resources require a site inspection or evaluation by a professional archaeologist in coordination with affected Indian tribes. The City may require that development be postponed in such areas to allow investigation of public acquisition potential, retrieval and preservation of significant artifacts and/or development of a mitigation plan. Areas of known or suspected archaeological middens shall not be disturbed and shall be fenced and identified during construction projects on the site. 4. Developers and property owners shall immediately stop work and notify the City of Tukwila, the Washington Department of Archaeology and Historic Preservation and affected Indian tribes if archaeological resources are uncovered during excavation. 5. In the event that unforeseen factors constituting an emergency, as defined in RCW 90.58.030, necessitate rapid action to retrieve or preserve artifacts or data identified above, the project may be exempted from any shoreline permit requirements. The City shall notify the Washington State Department of Ecology, the State Attorney General's Office and the State Department of Archaeology and Historic Preservation Office of such an exemption in a timely manner. 6. Archaeological excavations may be permitted subject to the provision of this chapter. 7. On sites where historical or archaeological resources have been identified and will be preserved in situ, public access to such areas shall be designed and managed so as to give maximum protection to the resource and surrounding environment. 8. Interpretive signs of historical and archaeological features shall be provided subject to the requirements of TMC Section 18.44.080, "Public Access to the Shoreline," when such signage does not compromise the protection of these features from tampering, damage and/or destruction. H. Environmental Impact Mitigation. 1. All shoreline development and uses shall at a minimum occur in a manner that results in no net loss of shoreline ecological functions through the careful location and design of all allowed development and uses. In cases where impacts to shoreline ecological functions from allowed development and uses are unavoidable, those impacts shall be mitigated according to the provisions of this section; in that event, the "no net loss" standard is met. W: Legislative Development\SMP-Zoning Code changes 2-25-20 MD:bjs Review and analysis by Barbara Saxton Page 23 of 64