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Project: Everett Shipyard Log of Boring MW-10 <br /> Project Location: Everett,Washington <br /> Project Number: 33761354 Sheet 1 of 1 <br /> • Date(s) Logged ByBTG Checked ByDRR <br /> Drilled 12/8/08 99 <br /> Drilling Hollow Stem Auger contractor Cascade Drilling of Bo ehole 13.2 feet bgs <br /> Method <br /> Drill Rig Truck Mounted Drill Bit 6" Ground Surface 15.61 feet MSL <br /> Type Size/Type Elevation <br /> Groundwater Level 5.5 Sampling Method Split Spoon Da timer STD <br /> Borehole Location <br /> Backfill <br /> SAMPLES <br /> (1) 5 p> CO V <br /> O O C E J ( tC <br /> as c a ° d a 0 MATERIAL DESCRIPTION Q REMARKS AND <br /> m aa) o aa) Q E 3 o m m U 0 o WELL DETAILS <br /> W V. DO = o �, > i Cl) Ua) <br /> Hz c0 cC 0 C7 D <br /> 0III Asphalt '� <br /> —15 - <br /> - "g• " GP Dark grayish-brown,silty sandy GRAVEL(moist)(loose)(base 4 <br /> „q, <br /> ;J , course) <br /> - Y4 C <br /> 1 SP Light grayish brown,fine to medium SAND(moist)(loose)(fill) <br /> 2— •'"• <br /> '` <br /> Asphalt : ;:;•; <br /> `"... SP <br /> , Light gray/tan,fine to medium SAND with few shell fragments <br /> — "•-• (moist)(dense)(hydraulic fill)(no odor,no sheen) — __ <br /> - 38 0.0 - _ <br /> 4— 9.0 — :`.,. <br /> ••v Grading light gray,very fine SAND with trace silt(moist)(loose to = <br /> medium dense) •• = <br /> #.:G: SM Grayto dark gray,veryfine sandySILT(moist)(stiff) <br /> —0 — 11 0.0 `=•..•— SP \Tan/gray mottled,fine to medium SAND with trace lt(moist)(loose — '• <br /> M :V to medium dense) <br /> co j 6_ Y::y:_ Grading ray,fine to medium SAND with laminated organic layer at _ _ <br /> ::v:4:: 6• .2'bgs(wet)(loose) <br /> 5 - 10 0.0 •_ •.• -• _ <br /> • <br /> cc — 9): — : '. <br /> a • <br /> I:. �: <br /> w 8— ,. SM Gray,silty,very fine to fine SAND with trace shell fragments and — — <br /> W organics(wet)(loose) '— <br /> ti - 5 0.0 - - _ <br /> TO iEii:Ei: • <br /> 10— €9a€ • _ <br /> a — <br /> L <br /> - Grading decreasing silt <br /> 4 91E 0.0 •, <br /> M - Grading no organics <br /> ti _ :' 'i_ — <br /> o Boring was completed to 13.2'bgs. - <br /> oGroundwater was encountered at 5.5'bgs. <br /> _ Boring was completed as monitoring well: — <br /> 14— 2.5'-12.5' screen,2"diameter Sch 40 PVC with 0.020"slot <br /> o _ _ 0'-2.5' blank 2"diameter Sch 40 PVC _ <br /> IlkFill Annulus: <br /> _ _ 2'-13.2' 10/12 silica sand filter pack _ <br /> 1.5'-2' 3/8"bentonite chips-hydrated <br /> x—0 _ _ 0'-1.5' cement-part of flush mount surface completion <br /> 16 <br /> zN <br /> Z <br /> W UPS <br />