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Project: Everett Shipyard Log of Boring MW-8 <br /> Project Location: Everett,Washington <br /> 0 Project Number: 33761354 Sheet 1 of 1 <br /> Date(s) 12/8/08 Logged By BIG Checked By DRR <br /> Drilled <br /> Drilling Drilling Total Depth <br /> tviethod Hollow Stem Auger Contractor Cascade Drilling of Borehole 13 feet bgs <br /> Drill Rig Drill Bit Ground Surface <br /> Truck Mounted Size/Type 6" va <br /> 15.24 feet MSL <br /> Type Eletion <br /> Groundwater Level 5.0 Sampling Split Spoon <br /> Method Hammer <br /> Data STD <br /> Borehole Location <br /> Backfill <br /> SAMPLES <br /> Tti ^ c <br /> o.0 <br /> d• <br /> 2 <br /> a)as <br /> °- <br /> to' Z-• = <br /> MATERIAL DESCRIPTION a E REMARKS AND <br /> >... cx .0 ia- > .c c0 E:L1) WELL DETAILS <br /> ill 412 C..1 0 9; = 0 8 > it.5. to C.)cr) <br /> F- Z co w 0 0 M <br /> 9 g" <br /> -15 0 Asphalt 4. \ <br /> P. <br /> '2 GM Brown,silty,sandy GRAVEL(moist)(medium dense)(base course) 1 J <br /> •a 1 I '(< <br /> 4. & <br /> 0.0 7'. ..;.•P A 2'i MW8- .. ...-, SP Light brown/tan very fine to fine SAND with trace gravel,shell <br /> II0-0.5 .:•••;r:::::••• fragments(moist)(medium dense)(hydraulic fill)(no odor,no <br /> 2- • <br /> f:::...:••••:;ir- sheen) <br /> 0.0 •••:•••:::::.; ... ••• ••• • <br /> •• 13:10 <br /> . <br /> 28 77717" if:i•ty.::.:•;i:.L <br /> MW-8- :: : : <br /> ....... <br /> :•.:.• <br /> : :•.: f.:::;gf.:..- <br /> 1-2 ::::::::: <br /> 6 ijii 0.0 ::;•A •••=• •1315 <br /> .• _.• <br /> ••••• ••••••• Grading tan/very dark brown,fine to medium SAND with mottling _...—... <br /> ......... f. ..f.iiif•rr • —• <br /> (moist)(medium dense) .• —.• <br /> MVV-8- ......... <br /> ......... <br /> ..... 'iiffiiig' . •_ .• <br /> ::::. _..•.,—... <br /> 0 41 2-3 •••• ......... <br /> .•••.. <br /> 13 iiiiii :,:•:::,:. <br /> ?::::?::Ye •= •1320 <br /> .• <br /> Grading yellowish red/tan,very fine to fine SAND with silt,mottling . •—.... <br /> 0,..„ ............ <br /> 0 Ii0Aii .:::: :::•:-1: <br /> . ..:::._ and few silty lenses(moist)(medium dense) .• —.• <br /> 5.0 fty_.::..,= <br /> O _ ::::: :::•?:::••••:. <br /> ••-••.... <br /> 6- 11 Grading gray,very fine to fine SAND with silt(moist to wet) <br /> .• __...• <br /> 6 - :::.• <br /> ..... <br /> ..... <br /> co .•::: <br /> ......... .• —.•. <br /> 0) ...:-:.:-.•.... .e.i..??.:::,.:.: . _ . .•••—•• <br /> m .... <br /> D i:i*iii 0.0 ::••:4'.:•:4:;- -.•—.- <br /> co ii01.; i*:,i:1::•i: ._ . <br /> .• _.• <br /> 81 :.•.•-.: <br /> ::i..:i ..;•.•::•.•;:::•; .• —.• <br /> ..... ::::.:-.:::::••i: <br /> _ ••••• <br /> ✓ ....... •— • <br /> .• _..• <br /> x _ -...:•vr.•::-.:- .....=.:. <br /> :• —.• <br /> ::•:•.•::,•:•.•:.: ..•_..• <br /> L 8- ....... <br /> ::•:?::::•.•::,.._ Grading gray,very fine to fine SAND with trace silt,few shell <br /> fragments(wet)(medium dense) .• __.• <br /> w ..... ...—... <br /> > - 14 ii Ia:1i 0.0 1::.•i::::..i.- <br /> tu <br /> 90 i'::'::.! :,./. . •_..• <br /> a.' - :••:•,:••••:•:•./- - _.. <br /> .•—.• <br /> •— • <br /> (.? ...-......••• <br /> ......... <br /> •••• ::::::::••::. .• .• <br /> .-...•.•. <br /> •••• :':::••i:::••••i:.\_ .. _..• •—• • <br /> -.• —•• <br /> ••••.:y.::•:f.• •.•___..• <br /> . .__. . <br /> Yr- io— ::•:•.•••:.:•.4,— <br /> ....... <br /> :••:.q.:,:. .•—.• <br /> — .— • <br /> .• _.• <br /> 0 —5 ::.::.i:::;•••:i ..._... <br /> — <br /> ,.• <br /> fi:•:f:i:if:-. ....._..• <br /> >- i:,:•.!!4:::" . — <br /> .•—.• <br /> -±- •.:•,::.:-.::::;— , • <br /> .• _.• <br /> co if:N:::•ii, . ._. <br /> r - :•.,.,,,,,. .. ..._,. <br /> __. _,• <br /> . •_. • <br /> Grading 2"-4"thick organic layer <br /> re .•.•••••• <br /> • • ....... .•—.• <br /> 12- 26 ::::::::: 0.0 f•:•••,:•••%•:— <br /> ::••••: •:•:•.•:•::.•: <br /> 90. i f:::::f*if. _, •— <br /> .• _..• <br /> —. <br /> : —: <br /> • - ..... <br /> ::.•.•: 4::::::::,:v.,- ...•:.•.: <br /> :::: ix:•:::•:f.:.: <br /> G • ......... <br /> ::::: ..;i:•.:I:,'•••• . .. ... <br /> ..... •••• •.•• <br /> '''.. Boring was completed to 13'bgs. <br /> in Groundwater was encountered at 5.0'bgs. <br /> _ <br /> w - Boring was completed as monitoring well: <br /> 14- - 7-12.5' screen,2"diameter Sch 40 PVC with 0.020"slot - <br /> w 0'-2.5' blank 2"diameter Sch 40 PVC <br /> z <br /> 41)r- 2'-13' 10/12 silica sand filter pack <br /> o - _ Fill Annulus:- 1.5'-2' 3/8"bentonite chips-hydrated - <br /> 'Ll-0 0-1.5' cement-part of flush mount surface completion _ <br /> z _ - <br /> r- <br /> 16 <br /> w URS <br />