Ord 2625 - TMC Title 18 Chapters - Critical Areas Regulations

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a. A qualified professional for Fish and Wildlife Habitat Conservation Areas must have a degree in ecology or related sciences and professional experience related to the subject species. b. A qualified professional for wetland critical area studies must be a certified Professional Wetland Scientist or a Wetland Scientist with at least two years of full-time work experience as a wetlands professional, including delineating wetlands using the approved federal manual and applicable regional supplements, preparing wetland reports, conducting functional assessments, and developing and implementing mitigation plans. c. A qualified professional for a geological hazard study must be a professional geotechnical engineer as defined in the Definitions chapter of this title, licensed in the state of Washington. d. A qualified professional for watercourses and frequently flooded areas means a hydrologist, fisheries biologist, engineer or other scientist with experience in preparing watercourse assessments. 2. The critical area study shall use scientifically valid methods and studies in the analysis of critical area data and shall use field reconnaissance and reference the source of science used. The critical area study shall evaluate the proposal and all probable impacts to critical areas. B. Wetland and Watercourse Critical Area Studies. Wetland and watercourse special studies are valid for five years following the date of the study, unless otherwise determined by the Director. The critical area study shall contain the following information, as applicable: 1. The name and contact information of the applicant, a description of the proposal, and identification of the permit requested; 2. A copy of the site plan for the development proposal showing: critical areas and buffers and the development proposal with dimensions, clearing limits, proposed storm water management plan, and mitigation plan for impacts due to drainage alterations; 3. The dates, names and qualifications of the persons preparing the study and documentation of any fieldwork performed on the site; 4. Identification and characterization of all critical areas, water bodies, and buffers on or adjacent to the proposed project area or potentially impacted by the proposed project as described in the following sections: a. Characterization of wetlands must include: (1) A wetland delineation report that includes methods used, field indicators evaluated and the results. Wetland delineation must be performed in accordance with approved federal wetland delineation manual and current applicable regional supplements. Field data forms are to be included in the report. Data collection points are to be shown on the site plan with their corresponding numbers indicated. After the City of Tukwila confirms the boundaries, they are to be professionally surveyed to the w:\Legislative Development\Critical Areas update 2-25-20 MD:bjs Review and analysis by Barbara Saxton Page 11 of 87