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Test pit backfilled with <br />excavated material <br />and tamped into place <br />with excavator bucket. <br />Relative density <br />estimated based on <br />t-probe penetration <br />and digging difficulty. <br />Excavator operator <br />noted easier digging <br />conditions. <br /> T-probe =<1" <br /> T-probe =6" <br />to 8" <br /> T-probe =<1" <br /> PS <br />FC=20% <br /> PS <br />FC=7.3% <br />FILL <br /> GRAVEL WITH SAND AND COBBLES (GP); very dense, <br />dry, gray brown; fine to coarse sand; fine to coarse, <br />rounded to angular gravel and cobbles; debris including <br />brick and coal fragments, plastic, rebar, asphalt and <br />organics. <br /> GRAVEL WITH SILT, SAND, COBBLES, AND <br />BOULDERS (GP-GM); dense to very dense, dry to slightly <br />moist, brown; fine to coarse sand; fine to coarse, rounded <br />to subrounded gravel, cobbles and boulders up to 16 <br />inches in diameter; few fine and woody organics. <br /> COAL; medium dense, moist, black; non-plastic; silt to <br />fine sand-sized coal dust, 20- to 24-inches-thick; trace to <br />few fine and woody organics; no odor or sheen. <br />ALLUVIUM <br /> SILTY GRAVEL WITH SAND AND COBBLES (GM); <br />dense, slightly moist to moist, orange brown; fine to coarse <br />sand; fine to coarse, rounded to subrounded gravel and <br />cobbles up to 12 inches in diameter; slightly oxidized; <br />gravel and cobbles socketed in sandy matrix. <br /> Becomes moist and mostly cobbles with sand and gravel <br />from 6 to 7 feet bgs. <br /> GRAVEL WITH SILT, SAND, AND COBBLES (GP-GM); <br />dense, moist, orange brown; fine to coarse sand; fine to <br />coarse, rounded to subrounded gravel and cobbles up to 4 <br />inches in diameter. <br /> Becomes medium dense, very moist and brown. <br /> SAND WITH SILT AND GRAVEL (SP-SM); medium <br />dense, very moist, brown; fine to coarse sand; fine to trace <br />coarse, rounded to subrounded gravel; trace cobbles up to <br />3 inches in diameter. <br />Bottom of exploration at 13 ft. bgs. <br />S1 <br />S2 <br />S3 <br />S4 <br />S5 <br />Contractor <br />2089 <br />2088 <br />2087 <br />2086 <br />2085 <br />2084 <br />2083 <br />2082 <br />2081 <br />2080 <br />2079 <br />2078 <br />2077 <br />2076 <br />TP-02 <br />Tests <br />Komatsu 88 trackedexcavator <br />Test pit <br />Mass X Construction, <br />LLC. <br />Exploration Method(s) <br />See Exploration Log Key for explanation <br />of symbols <br />Sample <br />Type/ID <br />Depth to Water (Below GS) <br />Description <br />NA <br />Grab sample <br />No Water Encountered <br />Ground Surface Elev. (NAVD88) <br />Exploration Notes and <br />Completion Details Blows/6" <br />Coordinates (Lat,Lon WGS84) <br />Grab <br />Logged by: MRH <br />Approved by: JBM <br />Operator Work Start/Completion Dates <br />Blows/foot <br />Water Content (%) <br />Equipment <br />Legend <br />Top of Casing Elev. (NAVD88) <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />8/5/2025 <br />Project Address & Site Specific Location <br />2090' (est) <br />Plastic Limit <br />47.2045, -120.9677 (est)TP-02 <br />Depth <br />(feet) <br />Material <br />Type <br />Randy <br />Sa <br />m <br />p <br />l <br />e <br />Ty <br />p <br />e <br />Elev. <br />(feet) <br />No Water Encountered <br />Liquid Limit <br />Geotechnical Exploration Log <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />50 Number 5 Mine Road, Cle Elum, WA, Proposed new tank <br />ExplorationLog <br />Exploration Number <br />Wa <br />t <br />e <br />r <br />Le <br />v <br />e <br />l <br />Sheet 1 of 1 <br />Depth <br />(ft) <br />Sampling Method <br />_S <br />T <br />D <br />L <br />O <br />G <br />_ <br />G <br />S <br />L <br />O <br />G <br />0 <br /> <br /> <br />P <br />: <br />\ <br />G <br />I <br />N <br />T <br />W <br />\ <br />P <br />R <br />O <br />J <br />E <br />C <br />T <br />S <br />\ <br />C <br />L <br />E <br /> <br />E <br />L <br />U <br />M <br /> <br />T <br />R <br />A <br />N <br />S <br />F <br />E <br />R <br /> <br />S <br />T <br />A <br />T <br />I <br />O <br />N <br />. <br />G <br />P <br />J <br /> <br /> <br />S <br />e <br />p <br />t <br />e <br />m <br />b <br />e <br />r <br /> <br />1 <br />7 <br />, <br /> <br />2 <br />0 <br />2 <br />5 <br />Cle Elum Transfer Station - NWG0131 <br />10 20 30 400 50 <br />6.6 <br />10.9