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Exhibit B <br />ORDINANCE Exhibit A - Page 24 of 55 <br />is performed in accordance with the contingency plan if mitigation failure results within five <br />years of implementation. <br />C. Construction Plans. Construction plans necessary to implement requirements of the detailed <br />mitigation plan shall be provided prior to issuance of construction permits. Plans shall include the <br />proposed construction sequencing and timing; surface and subsurface hydrologic conditions, including <br />proposed hydrologic regimes for compensatory mitigation areas; grading and excavation details, erosion <br />and sediment control measures; a planting plan specifying plant species, quantities, location, size, <br />spacing, density, proper placement, fertilization standards, and provisions for temporary irrigation <br />systems. <br />19.37.076 CRITICAL AREA REPORTS—ALTERNATIVE BEST AVAILABLE SCIENCE ANALYSIS. <br />The planning director may, using the review process described in EMC Title 15, Local Project Review <br />Procedures, authorize a modification to the standards in this chapter as follows: <br />A. An applicant must submit a critical area study by a qualified professional that documents that the <br />proposed development design/standards will result in a net improvement of the functions of the critical <br />area over that which would be obtained by applying the standard prescriptive measures contained in <br />this chapter. The study must address best available science as it relates to the critical area functions. <br />B. The study must be circulated to appropriate state and federal resource agencies for review and <br />comment opportunity prior to planning director authorization. <br />C. The development design/standards may include, but are not necessarily limited to, measures <br />prescribed in an approved watershed conservation plan or other similar conservation plan that <br />addresses critical areas protection consistent with this section. <br />D. The proposed design/standards must not be materially detrimental to the public welfare or injurious <br />to property or improvements in the vicinity and zone in which the subject property is located. <br />19.37.080 GEOLOGICALLY HAZARDOUS AREAS. <br />A. Designation. The following geologically hazardous areas shall not be altered except as otherwise <br />provided by this chapter: <br />1. Landslide hazard areas: <br />a. Those areas defined as high and very high/severe risk of landslide hazard in the <br />Dames and Moore Methodology for the Inventory, Classification and Designation of <br />Geologically Hazardous Areas, City of Everett, Washington: July 1, 1991, or as revised <br />through best available science: <br />(1) Very high/severe: slopes greater than fifteen percent in the Qtb, Qw, and <br />Qls geologic units; and slopes greater than fifteen percent with uncontrolled fill. <br />(2) High: slopes greater than forty percent in all other geologic units (not Qtb, <br />Qw, and Qls or uncontrolled fill).