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20090714103350.pdfSite Location: 428-430-432-434 3`d Ave S Tax Acct. Number: 00799000110100 Determination: Study Required Determination #: CRA -2009-0058 Owner: 3rd Ave Condo Homeowners Assoc. Applicant: Josh Davis BACKGROUND During review and inspection of the subject site, it was found that the site contains and/or is adjacent to critical areas, including Wetlands, Geologically Hazardous Areas, and Fish and Wildlife Habitat Conservation Areas, pursuant to Chapters 23.40, 23.50, 23.80 and 23.90 of the Edmonds Community Development Code (ECDC). The subject parcel is slopes gently to the west from 3`d Ave S to where the last of the condominium units are constructed. A wetland exists immediately west of the developed portion of the property. It appears this wetland was originally a part of the Edmonds Marsh, but has been separated from Edmonds March by State Route 104. Shellabarger Creek runs adjacent to the property line to the north and drains into the wetland on the western portion of the property. There are no identified fish blockages down stream, so fish may be present in this reach of Shellabarger Creek. The majority of the property is also identified as a high liquefaction hazard which is a seismic hazard pursuant to ECDC 23.80. This study applies to the entire subject parcel. Depending on the location and type of project proposed relative to the identified critical areas, certain studies and reports may be required. ALLOWED ACTIVITIES AND EXEMPT DEVELOPMENT PROPOSALS Certain activities are allowed in or near critical area buffers as specified in ECDC 23.40.220. Similarly, certain development proposals may be exempt from Critical Areas Requirements (ECDC 23.40.230). If you have any questions about whether your proposed development qualifies as an allowed or exempt activity, please contact a Planner for more information. GENERAL CRITICAL AREAS REPORT REQUIREMENTS Critical Areas Reports identify, classify, and delineate any areas on or adjacent to the subject property that may qualify as critical areas. They also assess these areas and identify any potential impacts resulting from your specific development proposal. If a specific development proposal results in an alteration to a critical area, the critical areas report will also contain a mitigation plan. You have the option of completing the portion of the study that classifies and delineates the critical areas and waiting until you have a specific development proposal to complete the study. You may also choose to submit the entire study with your specific development application. Please review the minimum report requirements for all types of Critical Areas that are listed in ECDC 23.40.090.D. There are additional report requirements for different types of critical areas (see below). Note that it is important for the report to be prepared by a qualified professional as defined in the ordinance. There are options on how to complete a critical areas study, and there is an approved list of consultants that you may choose from. You may contact the Planning Division for more information. General Mitigation Requirements for all Critical Areas are discussed in ECDC 23.40.110 through 23.40.140. STUDY REQUIREMENT — SEISMIC HAZARD AREA It appears that this property contains or is adjacent to a Seismic Hazard Area. • Seismic hazard areas are areas subject to severe risk of damage as a result of earthquake - induced ground shaking, slope failure, settlement, soil liquefaction, lateral spreading, or surface faulting. Settlement and soil liquefaction conditions occur in areas underlain by cohesionless, loose, or soft -saturated soils of low density, typically in association with a shallow ground water table. • In addition to the general requirements for Critical Areas reports referenced above, specific Critical Area report requirements for Seismic Hazard Areas are provided in ECDC 23.80.050. DEVELOPMENT PROPOSALS ASSOCIATED WITH SEISMIC HAZARD AREAS Development is restricted within a Seismic Hazard Area • Projects that will intrude into these areas will require a report by a licensed Geotechnical Engineer. • Activities proposed to be located in seismic hazard areas shall meet the standards of ECDC 23.80.060, Development Standards — General Requirements. • In addition to the basic critical areas report requirements for geologically hazardous areas provided in subsections A through E of ECDC 23.80.050, a critical areas report for a seismic hazard area shall also meet the requirements listed in ECDC 23.80.050.H. REPORT REQUIREMENTS — WETLANDS The site investigation has shown that the site may contain or be adjacent to a wetland. Wetlands are areas inundated or saturated by ground or surface water that support, under normal circumstances, vegetation adapted for life in saturated soil. • Wetlands are generally rated according to their size, condition, function, and vegetation types into four (4) different categories described in ECDC 23.50.010 and by use of the "City of Edmonds Wetland Field Data Form" by the critical areas consultant. • Buffer widths for wetlands vary depending on the category of the wetland as listed in ECDC 23.50.040.F. • In addition to the general requirements for Critical Areas reports referenced above, there are specific Critical Areas report requirements for wetlands that are provided in ECDC 23.50.030. DEVELOPMENT PROPOSALS ASSOCIATED WITH WETLANDS Development proposals that encroach into wetlands, wetland buffers, or building setbacks may be allowed through the approval of certain processes. • The width of a wetland buffer may be reduced through buffer enhancement if the criteria described in ECDC 23.50.040.17.3 can be met. The maximum amount that a buffer can be reduced through buffer enhancement is 50%. + A buffer may also be modified through a process called buffer averaging. The criteria applied to buffer averaging are listed in ECDC 23.50.040.F.4. The maximum amount that the buffer width can be reduced at any single location through buffer averaging is 50%. PA • Development proposals that proposed encroachments into buffers beyond what is allowed through the above methods require a Critical Areas Variance, or a Reasonable Use Exception. If you think that you have a proposal that may require one of these processes, please contact a Planner for more information. • Any time a development proposal requires an alteration to a wetland, a mitigation plan is required as part of the Critical Areas report. In addition to the General Mitigation requirements referenced above, mitigation requirements specific to wetlands are provided in ECDC 23.50.050. • NOTE: There are specific performance standards for the subdivision of lands in wetlands and wetland buffers. These are listed in ECDC 23.50.060. REPORT REQUIREMENTS — STREAMS • Streams are areas where surface waters produce a defined channel or bed which demonstrates clear evidence of the passage of water. Streams need not contain water year-round. • Streams are regulated as types of Fish and Wildlife Habitat Conservation Areas. • Streams are classified according to whether or not they run year round and whether or not they support fish populations according to the classification system Iisted in ECDC 23.90.010.A.1. • The minimum buffer widths for streams vary depending on the type of stream and are listed in ECDC 23.90.040.13.1. • In addition to the general requirements for Critical Areas reports referenced above, specific Critical Areas report requirements for Fish and Wildlife Habitat Conservation Areas are provided in ECDC 23.90.020.A to C and additional technical information requirements for streams are listed in ECDC 23.90.020.D. DEVELOPMENT PROPOSALS ON A SITE WITH A STREAM Development proposals that encroach into streams or their buffers or building setbacks may be allowed through the approval of certain processes. The width of a stream buffer may be reduced through the approval of a Stream Buffer Enhancement Plan that meets the specific requirements referenced in ECDC 23.90.040.13.2. The maximum amount that a buffer can be reduced through buffer enhancement is 50%. A buffer may also be modified through a process called buffer averaging. The criteria applied to buffer averaging are listed in 23.90.040.D.2. The maximum amount that the buffer width can be reduced at any single location through buffer averaging is 50%. Development proposals that propose encroachments into buffers beyond what is allowed through the above methods require a Critical Areas Variance. If you think that you have a proposal that may require one of these processes, please contact a Planner for more information. If you have any questions about this determinate, please contact a Planner for more information. Kernen Name Si Date NOTE: Cited sections of the Edmonds Community Development Code (ECDC) can be found on the City of Edmonds website at www.ci.edmonds.wa.us.