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The site is located at XXXX 74th St in the city of Everett and covers approximately .27 <br />acres. See Figure 1 — Vicinity Map <br />Land use around the site is primarily single-family residences (SFR). The existing site <br />currently consists of asphalt and pasture. For this project 3,267 sf of new and replaced <br />roof impervious surfaces will be added. The existing developable site is rectangular in <br />shape. <br />Soil information was obtained from Ryan Kramer, a licensed septic designer. The soils <br />were found to be dark brown sandy loam with hardpan encountered at a depth of 6-35 <br />inches below grade. The USDA Web Soil Survey shows the soils as being Alderwood- <br />Urban land complex. Refer to Figure 4 and Appendix A for soil information. The general <br />site slopes, in the area of disturbance, are moderate and average approximately 11 <br />percent down to the northeast. Based on the existing soil information and the setbacks <br />of the proposed improvements from any of the property lines or critical areas there is <br />little potential for erosion or sedimentation during construction assuming the basic BMPs <br />included in the SWPPP are installed and maintained properly. Refer to Figure 2 for an <br />existing basin map. <br />Haack — 74th 22-0807 <br />September 2022 Page 4 <br />