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I /*DRILLING COMPANY: Holocene Drilling LOCATION: Three-Acre Park <br /> DRILLING METHOD: HSA,CME 850 tracked rig DATE STARTED: 6/28/2010 <br /> SAMPLING METHOD: SPT w/Autohammer DATE COMPLETED: 6/28/2010 <br /> 111 SURFACE ELEVATION: 13.00*feet LOGGED BY: P.Pearson <br /> I co <br /> "'Icoce <br /> w Z U Standard Penetration Test <br /> CDw <br /> U } ? Q (140 Ib.weight,30"drop) <br /> J O w w z ♦Blows per foot <br /> �^ 0 a d w II-- <br /> a�, U 2 2 z g = O a�, <br /> wm >- 0) ¢ ¢ w w_y <br /> m DESCRIPTION m m a - O O 0 10 20 30 40 50 0" <br /> SM —0 <br /> • • Surface condition:grassy <br /> 5— .▪•"•.... S-1 5-3-1 OC .♦� , .. , —5 <br /> Loose,gray to brown,silty fine to medium SAND,moist. <br /> Gravel noted in sample tip.Wood waste and organics. - <br /> �•:- �. (FILL) <br /> Low recovery in Sample S-1 at 5 feet bgs. <br /> �- •:�. Organic content of sample at 5 feet=14.2%. - <br /> I <br /> 10 SM Loose,dark gray.silty SAND,moist. Some creosoted wood —10 <br /> ▪ •:•: S 2 4-2-4 <br /> waste and strong diesel-like odor. A - <br /> -I .`•..• ., Low recovery in sample S-2 at 10 feet bgs. <br /> —15 <br /> 15 '-•�;, ML Medium stiff,dark gray and olive gray,sandy SILT,moist, S-3 0-1-3 %F <br /> ;. SM with laminated organics. - <br /> (PEAT/ALLUVIUM) <br /> - - <br /> 20— •N', —20 <br /> •• ML Loose,dark gray,fine sandy SILT,moist,with laminated silt 4 S-4 2-3-5 GS <br /> I <br /> _ ;\.. SM layers. - <br /> (ALLUVIUM) _ <br /> I : ,: <br /> 25— • •':, SP Very loose,dark gray,slightly silty,poorly graded fine to S-5 0-0-0 GS £ —25 <br /> •.: • <br /> - ::•`.�•, SM medium SAND,wet. Diesel-like odor and sheen on water. ••; , - <br /> - 'ti . <br /> — —30 <br /> 30 For a proper understanding of the nature of subsurface conditions,this 0 0 4 0 60 80 100 <br /> exploration log should be read in conjunction with the text of the Water Content(%) <br /> g_eotechnical report. Plastic Limit �-—+♦� Liquid Limit <br /> NOTE: his log of subsurface conditions applies only at the specified location and on the date indicated Natural Water Content <br /> and therefore may not necessarily be indicative of other times and/or locations. <br /> J <br /> IBORING: <br /> PUBLIC AMENITIES B-101 <br /> CO RIVERFRONT DEVELOPMENT <br /> HWAGEOSCIENCES INC. EVERETT, WASHINGTON PAGE: 1 of 3 <br /> PROJECT NO.: 2015-061 FIGURE: A-2 <br /> BORING 2007-087.GPJ 6/26/12 <br />