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• <br /> Soil Lot Information <br />• Date of Excavation and Analysis: September 16, 2010 <br /> Weather: Party Sunny, —55 degrees Fahrenheit <br /> Soil Log 1 (SL1) <br /> 0"-16"Light Gray Gravelly Sandy Loam <br />• 16"-40" Light Brown Sandy Loam <br /> >40" Light Gray Highly Compacted Sandy Loam (mimics hard pan) <br /> Soil Log 2 (SL2) <br /> 0"-6" Light Gray Gravelly Sandy Loam <br /> 6"-42" Light Brown Sandy Loam <br />• <br /> >42"-52" Light Gray Highly Compacted Sandy Loam(mimics hard pan) <br /> Soil Log 3 (SL3) <br /> 0"-6"Light Gray Gravelly Sandy Loam <br /> 6"-48"Light Brown Sandy Loam <br />• >48"Light Gray Highly Compacted Sandy Loam (mimics hard pan) <br /> Soil Log 4 (SL4) <br /> 0"-6"Light Gray Gravelly Sandy Loam <br /> 6"-36"Light Brown Sandy Loam <br />• >36" Light Gray Highly Compacted Sandy Loam(mimics hard pan) <br /> Soil Log 5 (SL5) <br /> 0"-12" Light Gray Gravelly Sandy Loam <br /> 12"-36" Light Brown Sandy Loam <br />• >36"Light Gray Highly Compacted Sandy Loam (mimics hard pan) <br /> Soil Log 6 (SL3) <br /> 0"-16"Light Gray Gravelly Sandy Loam <br /> 16"-48"Light Brown Sandy Loam <br />• >48" Light Gray Highly Compacted Sandy Loam (mimics hard pan) <br /> Soil Log 7 (SL7) <br /> 0"-20" Light Brown Sandy Loam <br /> >20"Light Gray Highly Compacted Sandy Loam (mimics hard pan) <br />• Conclusion: Soil logs information match Alderwood type soil characteristics <br /> provided in SCS soil map of Snohomish County. Due to minimal depth to hard pan, <br /> drainage design for site should include dispersion type drainage facilities along with <br /> surface sheet flow soil amendment. Full infiltration is not recommended for this <br /> development. <br />• <br /> E: /2011 / 111103A/Drainage Report.doc <br />• �� <br />