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Project: Everett Shipyard Log of Boring MW-9 <br /> Project Location: Everett,Washington <br /> Project Number: 33761354 Sheet 1 of 1 411 <br /> Date(s) 42/8/08 Logged By BTG Checked By DRR <br /> Drilled <br /> Drilling Hollow Stem Auger Drilling Cascade Drilling o TotalDepth <br /> 13.5 feet bgs <br /> Method Contractor f Bo <br /> Drib Rig Truck Mounted Drill Bit 6" Ground Surface 15.99 feet MSL <br /> Type Size(fype Elevation <br /> • <br /> Groundwater Level 6.0 Sampling Split Spoon Hammer STD <br /> Method Data <br /> Borehole Location <br /> Backfill <br /> SAMPLES <br /> c m� o o g <br /> g E L m R. Q E REMARKS AND <br /> MATERIAL DESCRIPTION _ a) <br /> CD <br /> m 0 o 0 Nso n o a to moo WELL DETAILS <br /> 1.-11‘? orn a o m > 2 SUrn <br /> Hz m Q 0 0 D <br /> 0 Asphalt � <br /> t• • GM Gray,silty,sandy GRAVEL(moist)(medium dense)(base course) 4 <br /> Ilk <br /> —15 — ,• •— ! <br /> 0.0 >:..;.e <br /> _["� - •• SP Brown,fine to medium SAND with gravel and shell fragments <br /> 7I p p.5 `` (moist)(medium dense)(no odor,no sheen) 4 i <br /> 2— ''':'r Grading light brown/light gray,fine to medium SAND(moist) 8:35 <br /> 0.0 (medium dense)(hydraulic fill) <br /> MW-9 • <br /> 8:50 <br /> 1-2 — — <br /> 40 0.0 ±cvi;^ <br /> MW-9- `i;ii:l9A ''•'''r Grading gray,medium SAND with shell fragments(moist)(medium = <br /> 4 2-3 — dense) — _ <br /> — 9:00 <br /> 22 "•:,; Grading light brown/tan medium SAND(moist)(medium dense) — <br /> • <br /> I9D. 0.0 _ <br /> • <br /> mi MW-9- 11 0.0 =�:'•:•r •._. <br /> cc <br /> —10 6 4-5 ;M a; — 6.0ft.>L':,' 9:05 <br /> _9 _ • •" Grading wet = <br /> m — <br /> _ 'L Grading gray,to dark ray,fine to medium SAND with shell — •_• <br /> 8 fragments(wet)(loose) :c'. <br /> w _ _ • <br /> Grading gray,very fine to medium SAND with trace shell fragments = <br /> a — 9 0.0 ? — (wet)(loose) — ._ <br /> 0 10— a: <br /> ::.%•4:. <br /> _5 _ :: ` Grading gray,fine to medium SAND with trace shell fragments(wet) _ c <br /> (loose) = <br /> 12— 5 i90'; ;, SM Gray,silty SAND,trace shell fragments(wet)(loose)(no odor,no •= <br /> • <br /> 5�•••,;r sheen) - _ <br /> 07 <br /> o Boring was completed to 13.5'bgs. <br /> Groundwater was encountered at 6.0'bgs. <br /> 14— Boring was completed as monitoring well: <br /> g - 2.9'-12.9' screen,2"diameter Sch 40 PVC with 0.020"slot - III <br /> 0.-2.9' blank 2"diameter Sch 40 PVC <br /> J _ _ Fill Annulus: — <br /> 2.5'-13.4' 10/12 silica sand filter pack 2'-2.5' 3/8"bentonite chips-hydrated - <br /> )-- 0'-2.5' cement part of flush mount surface completion <br /> —0 16 <br /> SIRS <br /> Z <br /> W <br />