Laserfiche WebLink
TP-1 <br />SAMPLE DATA <br />SOIL PROFILE <br />GROUNDWATER <br />E <br />n <br />E <br />° <br />. <br />Excavation Method: Tracked Excavator <br />Z <br />F <br />�, <br />o <br />> <br />E <br />Ground Elevation (ft): -578 <br />? <br />a E c <br />E <br />rn <br />m <br />(n <br />U <br />0 <br />OIL <br />Soft, dark brown, moist, sandy SILT, contains <br />1 = <br />d <br />W = 29 <br />organics and roots (Topsoil) <br />SM <br />Loose to medium dense, tan to orange -brown, <br />W = 15 <br />moist, silty SAND with gravel and occasional <br />2 2= <br />d <br />GS <br />cobbles (B-Horizon) <br />- Presence of abundant woody debris between <br />2 and 3 at BGS <br />SM <br />Dense, gray to tan, moist, slightly gravelly, <br />3= <br />d <br />W - 20 <br />GS <br />4 <br />very silty SAND with cobbles (Slightly <br />Weathered Glacial Till - Vashon Stade) <br />SI Slight groundwater seepage encountered at <br />ML <br />Hard, gray, dry to damp, slightly sandy and <br />- 5.0 ft. <br />gravelly, SILT/CLAY (Glacial Till - Vashon <br />6 4= <br />d <br />W = 11 <br />Stade) <br />- Pocket Penetrometer = 4.5+ <br />8 Test Pit Completed 02/01/18 <br />Total Depth of Test Pit = 7.0 ft. <br />TP-2 <br />SAMPLE DATA <br />SOIL PROFILE <br />GROUNDWATER <br />E <br />n <br />E <br />Excavation Method: Tracked Excavator <br />Z <br />T 2!�, <br />a <br />f' <br />m <br />o <br />T <br />cn <br />L <br />>. <br />W <br />Ground Elevation (ft): -576 <br />w Q. m <br />n <br />U <br />❑ rn 06 <br />U) <br />0 <br />OL <br />Soft, dark brown, moist, sandy SILT, contains <br />1 = <br />d <br />W = 32 <br />> <br />organics and roots (Apparently Reworked <br />Topsoil) <br />ML <br />Medium stiff, tan to orange -brown, moist to <br />2 2= <br />d <br />W = 24 <br />wet, sandy SILT with occasional gravel and <br />cobbles (B-Horizon) <br />Q Rapid groundwater seepage encountered at <br />ML <br />- Presence of rapid perched groundwater from <br />- 2.8 ft. <br />the north side of the excavation <br />Hard, gray, dry to damp, slightly gravelly, very <br />4 <br />sandy, SILT/CLAY (Glacial Till - Vashon <br />Stade) <br />3= <br />6 <br />d <br />I W_g <br />GS <br />Test Pit Completed 02/01/18 <br />Total Depth of Test Pit = 6.0 ft. <br />8 <br />Notes: 1. Stratigraphic contacts are based on field interpretations and are approximate. <br />2. Reference to the text of this report is necessary for a proper understanding of subsurface conditions. <br />3. Refer to "Soil Classification System and Key" figure for explanation of graphics and symbols. <br />Mukilteo SD Retaining Wall Figure <br />OG OTeST 9001 Airport Road Log of Test Pits <br />Everett, Washington <br />