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Associated Earth Sciences,Inc. Geologic & Monitoring Well Construction Log
<br /> i' . Project Number Well Number Sheet
<br /> K �- 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 R/94/10,8/24/10
<br /> Drilling/Equipment Boretec/Track Hole Diameter(in) 8 inches
<br /> Hammer Weight/Drop 140#/30"
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<br /> WELL CONSTRUCTION T `° (I) DESCRIPTION
<br /> \�\ •• Surface flush monument _ _ Grass and Topsoil _
<br /> `,, } Concrete 0 to 1 1/2 feet Fill
<br /> 7
<br /> - i,,' 6 14 inches recovery. Loose,moist,mixed brown and gray,fine to
<br /> 2 medium SAND,with silt,trace fine gravel,trace organic(SM).
<br /> — 5 %¢ 2
<br /> 1 1/4 inch Schedule 80 PVC 2 12 inches recovery. Loose,moist,gray,fine to medium SAND,little
<br /> - ; 0 pipe -1 2 to few fine gravel,few silt(SW);possible advance outwash placed
<br /> '-s % 3 as fill.
<br /> —10 % Advance Outwash
<br /> r< / Blank riser to surface 0 to 35 10 16 inches recovery. Dense,moist,grayish brown,fine to medium
<br /> - ` 9 feet - 19 SAND,few silt,trace fine gravel,subtle gradational stratification
<br /> 9 22 (SP-SW).
<br /> —15 % Bentonite chips 1 1/2 to 33 14 15 inches recovery. Gradation as above,but without gradational
<br /> feet 1 22 stratification.
<br /> 0 26
<br /> I -
<br /> -20 'r ,
<br /> V j 17 16 inches recovery. Very dense,moist,grayish brown,fine SAND,
<br /> 30 trace to few silt,subtle gradational stratification(SP).
<br /> 0,
<br /> %:
<br /> —25
<br /> 22 17 inches recovery. Very dense,moist,grayish brown,fine SAND,
<br /> J34 trace to few silt,stratified with zones containing few coarse sand and
<br /> % 43 trace fine gravel(SP).
<br /> —30 % —
<br /> - ,,
<br /> 27 16 inches recovery. Gradation as above.
<br /> -`r>, 0 50
<br /> - % ,, -
<br /> Colorado#10-20 silica sand
<br /> - 33 to 45 feet -
<br /> -35
<br /> °�' 0.010-inch slot screen 35 to Z 22 17 inches recovery. Very dense,moist,brownish gray,fine SAND,
<br /> 45 feet 34 few silt(SP);no stratification.
<br /> o -_ 39
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<br /> Sampler Type(ST):
<br /> m 2"OD Split Spoon Sampler(SPT) 0 No Recovery M - Moisture Logged by: BWG
<br /> m 3"OD Split Spoon Sampler(D&M) Ring Sample SL Water Level(9/7/10) Approved by:
<br /> 161 Grab Sample Shelby Tube Sample 1 Water Level at time of drilling(ATD)
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