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• <br /> Project: Everett Shipyard Log of Boring MW-4 <br /> Project Location: Everett,Washington <br /> • Project Number: 33761354 Sheet 1 of 1 . <br /> Date(s) 12/9/08 Logged By BTG Checked By DRR <br /> Drilled <br /> Drilling Hollow Stem Auger Contractor Cascade Drilling of Bo Depth <br /> 13.3 feet bgs <br /> Method <br /> Drill Rig Truck Mounted Drill Bit 6" Ground Surface 15.42 feet MSL <br /> Type Size/Type Elevation <br /> Groundwater Level 8.25 Sampling Split Spoon Hammer STD <br /> Method Data <br /> Borehole Location <br /> Backfill <br /> SAMPLES <br /> �m e rn o v <br /> o €z L aa- Q E REMARKS AND <br /> W� 3 c.. .n o > . t MATERIAL DESCRIPTION E WELL DETAILS <br /> 00 om m 3 a U 00 <br /> w.P_' o o T o . > E co c..O co <br /> 0 t— Z m cc O O D <br /> Asphalt <br /> —15 = ,� ••_ GM Brown/gray,silty,sandy GRAVEL(moist)(base course) <br /> •} <br /> -a MW-4- ; ii 0.0 ••'Y r:f SM Brown,gravelly silty SAND with shell fragments(moist)(hydraulic <br /> 0-0.5 .. fill)(no odor,no staining) <br /> 2— €€900 =�r: — <br /> ': . • •..8:25 <br /> MW-4- 82 0.0 ' ;;•:: <br /> 1-2 ,4•:•v:;—SP Brown SAND with silt and fine gravel and shell fragments(moist) ;11.... <br /> :z :,;: (dense)(hydraulic fill)(no odor,no staining) <br /> -4 '90) :a - - <br /> 4�MW4- 30 0.0 ''' — <br /> ev_ <br /> • <br /> _ _ <br /> •Y r Grading light brown,fine to medium SAND with fine gravel and few - 8:40 <br /> O — Y ... shell fragments;sandy silt laminations(moist)(dense) <br /> co co <br /> :tvj:vi •- <br /> n 6— 17 0.0 z:6 :p-- Grading gray,medium SAND(moist)(medium dense) — — <br /> o : :: i•.Y•y.Y•r <br /> Q • Yi:Y- ' <br /> i - r:vr:G ti - — <br /> y y y• <br /> • <br /> w 8— 7 0.0 Y - Grading tan/light brown fine to medium SAND '— '. <br /> 'cc . : .• 8.25'ft./ • <br /> :90:: ::Y:::Y:• Grading gray,wet at 8.55' 9:00 <br /> :.;e: — <br /> • <br /> tf •y'y,•y <br /> ;Jl T:y:..y.: <br /> :;:•:•: l fit: <br /> co 12 iliiiiii 0.0 `•4:a•Y:• <br /> 9.0 ':•a::�: Grading increasing shell fragments —_ •12— •:K:••5:r — .— <br /> ••.Y. — <br /> - - Boring was completed to 13.3'bgs. <br /> cc <br /> o Groundwater was encountered at 8.25'bgs. <br /> 14— — Boring was completed as monitoring well: — <br /> z 3'-13'screen,2"diameter Sch 40 PVC with 0.020"slot <br /> o - - 0'-3' blank 2"diameter Sch 40 PVC - <br /> Fill Annulus: <br /> Ilk 2-13.3' 10/12 silica sand filter pack <br /> 0 - - 1.5'-2' 3/8"bentonite chips-hydrated <br /> _ — 0'-1.5' cement-part of flush mount surface completion - <br /> r- <br /> N <br /> 16 <br /> ' III <br /> z <br /> W <br />