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We need civil engineering plans for a CA Coastal Commission permit application for a new single family home in Sonoma County. In particular: 1. Preliminary grading and drainage plans. The grading plan should show existing and proposed contours, the amount of proposed excavation and fill (in cubic yards) and any necessary deposition sites, on or offsite. Drainage plans should show drainage patterns for all runoff from the site, location of drainage swales, ditches, and culverts, and the size of all drainage structures. The plan should also describe how grading will be conducted so as to minimize erosion during and after construction. 2. Stormwater Management Submittals. We'll need to provide description of stormwater management including runoff, treatment, drainage, and flood control. 3. Site plan showing key components of wastewater management solution (I will provide detail of the solution identified)