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2. EXISTING CONDITIONS SUMMARY <br /> The site covers approximately 0.15 acres. The existing site consists of lawn. <br /> Approximately 3,890 sf (0.09 acres) of the site will be impacted by new impervious <br /> surfaces. Approximately 6,000 sf (0.14 acres) of the site being disturbed as needed for <br /> the clearing/grubbing and restoration of the existing site. <br /> Soil logs, provided by Cobalt Geosciences in a geotechnical analysis were used to <br /> determine the on-site soils. Test Pits 1 and 2 taken just south of the project site on this lot <br /> found silty-fine to medium sand to approximately 8 feet below grade with some mottling <br /> observed at approximately 40 inches below grade (Refer to Appendix A for soil <br /> geotechnical report). The USDA Websoil Survey shows the soils as being Bellingham silty <br /> clay loam. The general site slopes in the area of disturbance are flat and average <br /> approximately 3 percent down to the west/southwest. Based on the existing soil <br /> information and the setbacks of the proposed improvements from any of the property lines <br /> and steep slopes, there is little potential for erosion or sedimentation during construction <br /> assuming the basic BMPs included in the SWPPP are installed and maintained properly. <br /> Refer to Figure 2 for an existing basin map. <br /> Legion Lots 12& 13 20-0215 <br /> April 2020 Page 4 <br /> Revised:April 2021 <br />