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• <br /> Project: Everett Shipyard Log of Boring MW-5 <br /> Project Location: Everett,Washington <br /> Project Number: 33761354 Sheet 1 of 1 <br /> III <br /> Date(s) 1219/08 Logged By BTG Checked By DRR <br /> Drilled <br /> Drilling DriHollow Stem Auger Contras for Cascade Drilling of Bo Depth <br /> 12.9 feet bgs <br /> Method <br /> Drill Rig Truck Mounted Drill Bit 6" Ground Surface 15.13 feet MSL <br /> Type Size(fype Elevation <br /> Groundwater Level 8.5 Sampling Split Spoon Da Hammer STD <br /> Method <br /> Borehole Location <br /> Backfill <br /> SAMPLES <br /> c a.)ip o ora0 <br /> O 0� c E 3 'a,t <br /> f6 c z m L., a Q E REMARKS AND <br /> w W. o• °0 0 . o 'o E MATERIAL DESCRIPTION v Z WELL DETAILS <br /> m Q : 0 m > pi eL co U <br /> H z m o: O 0 m <br /> —15 0 Asphalt 11.11 <br /> • GM Brown,silty,sandy GRAVEL(moist)(base course) ii i <br /> [I MW-5- �:J6i- GP Brown,)gravelly SAND with silt and asphalt fragments(moist)(base <br /> II • course <br /> %:*:;.?.` SP Tan/light brown,fine to medium SAND with several sandy silt _• _•• <br /> — <br /> iiiiillii lenses,slightly mottled,few shell fragments(moist)(hydraulic fill) 10:15 <br /> MW-5- 69 "•'• ' 0.0 - (no odor,no staining) _ — <br /> 1 2 `•9t) <br /> •• . Grading gray,fine to medium SAND with shell fragments(moist) •.10:25 <br /> 0 4-1 MW-S- 'L (medium dense) — <br /> 2-3 ':K; <br /> M - 26 iIiiii 0.0 • <br /> M-10 • <br /> — <br /> 10:30 <br /> re <br /> Grading 2"brown sand layer,no shells ••--,•• <br /> _ 9Q • <br /> = <br /> re •.:e• <br /> ro r :: 8.5 ftt_':,'_' <br /> Grading light brown fine SAND with few shell fragments(wet) —_ <br /> (medium dense) . `— <br /> C — 18 0.0 '. I: SM Gray/dark gray,silty,very fine SAND(wet)(medium dense)(no — _ <br /> ;�., odor,no sheen) <br /> • <br /> M 10— — __ <br /> _ — ▪ • `' SP Gray fine SAND(wet) — <br /> 0 — <br /> €90 <br /> 12— 14 0.0 r <br /> Y:iiillil s.r <br /> M — • — Boring was completed to 12.9'bgs. — <br /> o Groundwater was encountered at 8.5'bgs. <br /> - - Boring was completed as monitoring well: <br /> O 2.5-12.5' screen,2"diameter Sch 40 PVC with 0.020"slot _ <br /> _ <br /> 14— 0'-2.5' blank 2"diameter Sch 40 PVC <br /> z _ _ Fill Annulus: <br /> - <br /> 2'-12.9' 10/12 silica sand filter pack <br /> — _ 1.5'-2' 3/8"bentonite chips-hydrated _ al <br /> w —0 0'-1.5' cement-part of flush mount surface completion <br /> 3 _ <br /> x - <br /> 1- <br /> or <br /> z ORSW <br />