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Associated Earth Sciences,Inc. Geologic & Monitoring Well Construction Log <br /> Project Number Well Number Sheet <br /> s'; ,' '. c1 KE100255A EB-1/MW-1 1 of 2 <br /> Project Name View Ridge Elementary School Location Everett, WA <br /> Elevation(Top of Well Casing) Surface Elevation(ft) 383 feet <br /> Water Level Elevation Date Start/Finish fi/74/1 t)R/24/1() <br /> Drilling/Equipment Boretec/Track Hole Diameter(in) 8 inches <br /> Hammer Weight/Drop 140#130" <br /> 4) _ U <br /> N :I `� c E <br /> T <br /> 1 0 <br /> g WELL CONSTRUCTION T 0° DESCRIPTION <br /> sr\ Surface flush monument _ Grass and Topsoil <br /> > Concrete 0 to 1 1/2 feet Fill <br /> % g 2 14 inches recovery. Loose,moist,mixed brown and gray,fine to <br /> 0 I medium SAND,with silt,trace fine gravel,trace organic(SM). <br /> j 2 <br /> — 5 % 1 1/4 inch Schedule 80 PVC I 2 12 inches recovery. Loose,moist,gray,fine to medium SAND,little <br /> ,',: % pipe 1. 2 toas ew fine gravel,few silt(SW);possible advance outwash placed <br /> fi <br /> /;:f� <br /> • <br /> -10 >% Advance Outwash <br /> Blank riser to surface 0 to 35 I tp 16 inches recovery. Dense,moist,grayish brown,fine to medium <br /> Ifeet 1 19 SAND,few silt,trace fine gravel,subtle gradational stratification <br /> j % 22 (SP-SW). <br /> —15 % 0 <br /> A Bentonite chips 1 1/2 to 33 I 14 15 inches recovery. Gradation as above,but without gradational <br /> <- � 1 <br /> j feet 2 stratification. <br /> _ <br /> %" j <br /> —20 /.% 0 17 16 inches recovery. Very dense,moist,grayish brown,fine SAND, <br /> y; I 38 trace to few silt,subtle gradational stratification(SP). <br /> f <br /> 0 <br /> —25 , 22 17 inches recovery. Very dense,moist,grayish brown,fine SAND, <br /> - 34 trace to few silt,stratified with zones containing few coarse sand and <br /> j 43 trace fine gravel(SP). <br /> 0 <br /> —30 1,',';' 0 <br /> 27 16 inches recovery, Gradation as above. <br /> A •/ 4 43 <br /> %% j <br /> Colorado#10-20 silica sand <br /> - 33 to 45 feet - <br /> c—35 c_ 0.010-inch slot screen 35 to 22 17 inches recovery. Very dense,moist,brownish gray,fine SAND, <br /> 45 feet 34 few silt(SP);no stratification. <br /> o = 39 <br /> 0- <br /> 0 <br /> z_ . <br /> Cl.7 <br /> Sampler Type(ST): <br /> g m 2"OD Split Spoon Sampler(SPT) 0 No Recovery M - Moisture Logged by: BWG <br /> m 3"OD Split Spoon Sampler(D&M) ti Ring Sample S Water Level(9/7/10) Approved by: <br /> IEI Grab Sample 1,4 Shelby Tube Sample 1 Water Level at time of drilling(ATD) <br />