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Project: Everett Shipyard Log of Boring MW-6 <br /> Project Location: Everett,Washington <br /> elProject Number: 33761354 Sheet 1 of 1 <br /> Date(s) 12/9/08 Logged By BTG Checked By DRR <br /> Drilled <br /> Drillinth <br /> g Hollow Stem Auger Drilling Cascade Drilling of Borehole 12.5 feet bgs <br /> Method Contractor <br /> Drill Rig Truck Mounted Drill Bit 6.. Ground Surface 13.6 feet MSL <br /> Type Size/Type Elevation <br /> Groundwater Level 7.5 Sampling Split Spoon Hammer STD <br /> Method Data <br /> Borehole Location <br /> Backfill <br /> SAMPLES <br /> m (9) o re), o <br /> L <br /> 0_z sa ° a 0 MATERIAL DESCRIPTION B.m REMARKS AND <br /> o a o .n u, o E u) v o c WELL DETAILS <br /> W GI GI a m o a2i > m c Uto <br /> 0 t- Z diW O 0 D <br /> lir Asphalt <br /> MW-6_ ?c •.:•4.__SP Light grayish brown fine SAND with gravel with some mottlingat <br /> 0-0.5 :: *• surface,some asphalt fragments(moist)(medium dense)(fill) <br /> 11 i25 <br /> 2 -...-.• i:;:..;.?.;: -- 1111. 11:: ..*.MW-6- •:"• <br /> 1-2 30 iiii*E, 0.0 :::� c.,. <br /> ?9(- v:>..:, Grading gray/tan,veryfine to fine SAND,asphalt coated coarse =•• 11:30 <br /> iiiiii i`:•-:• sand and fine gravel(base course)(no odor,no staining) _ ': <br /> M_6_ • <br /> :', Grading gray alternating fine to very fine SAND,trace organics <br /> -10 2-3 (`' •'- (moist)(dense)(hydraulic fill) - .11:35 <br /> <:v:: •0 4- 38 0.4 : - - <br /> _ •`••• it) Grading yellowish/tan,fine to medium SAND mottled with gray := <br /> ` (moist)(medium dense) <br /> P - • ''.J— <br /> +2�n 20 's90� 0.0 •••;_• <br /> re 6- • • <br /> - — <br /> CO <br /> c99 ycr C <br /> — 'pop'°i :— • <br /> — <br /> a • <br /> 5 9l 0.0 __.• <br /> ?c:` Grading gray,very fine SAND with silt and few shell 7.5 ftt_' :_':• <br /> t� :,: fragments,0,5"-1"organic layers at 7.5'and 10.5"bgs <br /> �u 8- 'r% (wet)(loose) _ <br /> 6 -5 - ?K'? : <br /> - . : <br /> 10- :, •,• - — <br /> • <br /> - "� - <br /> re 6 La i 9Q: 0.0 _ <br /> 12- 'r -• <br /> v Boring was completed to 12.5'bgs. <br /> ZO <br /> _ _ Groundwater was encountered at 7.5'-8'bgs. _ <br /> co Boring was completed as monitoring well: <br /> 0 2.5'-12.5' screen,2"diameter Sch 40 PVC with 0.020"slot _ <br /> o -0 0'-2.5' blank 2"diameter Sch 40 PVC <br /> la 14- Fill Annulus: - <br /> z 1.5'-12.5' 10/12 silica sand filter pack <br /> Anto _ - 1'-1.5' 3/8"bentonite chips-hydrated - <br /> 0'-1' cement-part of flush mount surface completion <br /> Wjii - <br /> 3 - <br /> x - <br /> r <br /> N <br /> 16 <br /> Z <br /> 111 <br />