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LOG OF EXPLORATION PIT NO. IT-3 <br /> This log is part of the report prepared by Associated Earth Sciences,Inc.(ABS!)for the named project and should be <br /> read together with that report for complete interpretation.This summary applies only to the location of this trench at the <br /> time of excavation.Subsurface conditions may change at this location with the passage of time.The data presented are <br /> a simplfication of actual conditions encountered. <br /> DESCRIPTION <br /> Grass/Topsoil <br /> \Loose, slightly moist, dark brown, organic rich, silty, fine to medium SAND, trace gravel (SM). <br /> 1 Vashon Lodgement Till <br /> Dense, slightly moist, gray, silty,fine SAND, some gravel; cobbles (<8 inches in diameter) <br /> 2 present.(SM). <br /> Upper 2 feet weathered to medium dense, tan. <br /> 3 — <br /> 4 — <br /> 5 - <br /> Vashon Advance Outwash <br /> 6 — <br /> Dense, slightly moist, gray, fine to medium SAND,trace gravel to gravelly,trace to some silt; <br /> occasional silty layers ranging to sandy silt present; stratified (SP-SM). <br /> 7 — <br /> 8 — <br /> 9 — <br /> 10 — <br /> 11 — <br /> 12 Becomes moist, sand grades to fine to coarse. <br /> 13 — <br /> 14 — Becomes very moist. <br /> Bottom of exploration pit at depth 14 feet <br /> 15 — Infiltration test performed at 13.5 feet.No seepage.Minor caving 12 to 13.5 feet during infiltration testing. <br /> 16 — <br /> 17 — <br /> 18 — <br /> 19 <br /> 20 <br /> Stormwater Infiltration Assessment <br /> Everett, WA <br /> a <br /> 0000.>, a s s o c i a t e d Project No. 170671H001 <br /> Logged by: ADY <br /> 111 earth sciences <br /> Approved by: JHS incorporated 12/14/17 <br /> U <br />