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No sinkholes, unconfined/shallow aquifers, or karst conditions were identified in the project <br /> area. The geology of the project site does not result in limitations for the proposed <br /> development. <br /> a. Soils and Topography— Describe the soils on the site, giving NRCS (SCS) classifications <br /> and descriptions, including limitations of soils. Describe topography, any special site <br /> conditions relating to erosion potential, soil stability, or other soil limitations, such as <br /> steep slopes or highly permeable soils. Provide estimated volume and acreage of soil <br /> excavation and/or grading. Discuss impacts from project activities (distinguish <br /> between construction and operational activities) related to soils and topography. <br /> Identify measures during and after project construction to address soil limitations <br /> including stabilization, soil corrections, or other measures. Erosion/sedimentation <br /> control related to stormwater runoff should be addressed in response to Item 12.b.ii. <br /> According to the Natural Resources Conservation Service (NRCS) Web Soil Survey, there are <br /> five soil types within the site, which are generally loamy sands (see Table 7). <br /> Table 7. Soil Types <br /> Map Unit <br /> Unit Name Acres within Percent of Site <br /> . . Project <br /> D B Nymore loamy sand, 1 to 6 percent 17 4 7°/ <br /> 90 slopes ° <br /> Mc Marsh 3.3 9.3% <br /> NrD Nymore loamy coarse sand, 12 to 25 3.6 10.2% <br /> percent slopes <br /> N A Nymore loamy sand, 0 to 2 percent 13.6 38.4% <br /> y slopes <br /> N 1 yC 3.3 3 7.3°/Nymore loamy sand, 6 to 12 percent ° <br /> slopes <br /> The site earthwork is estimated be a net cut of 2,500 cubic yards based on the excavations <br /> for ponding, underground stormwater management, vehicle infrastructure, and building <br /> foundations. <br /> A National Pollutant Discharge Elimination System (NPDES) permit is required because the <br /> project will disturb more than one acre of land. A Stormwater Pollution Prevention Plan <br /> (SWPPP) will be prepared. All unpaved areas disturbed during construction will be <br /> revegetated in accordance with the standard NPDES permit requirements. In areas with steep <br /> slopes, special consideration will be given to prevent erosion during construction, such as <br /> erosion control blankets, along with vegetation establishment to permanently stabilize side <br /> slopes and any areas impacted as a result of construction. <br /> 12.Water Resources <br /> a. Describe surface water and groundwater features on or near the site below. <br /> Haviland Fields EAW 11 July 2023 <br />