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BORING LOG NOTES <br /> DRILLING AND SAMPLING SYMBOLS TEST SYMBOLS <br /> Symbol Defnitioo Symbol DeFinition • <br /> AR: Sample of material obtained from cuttings btown out CONS: One-dimensional consolidation test <br /> the top of the borehole during air rotary procedure. DEN: Dry density,pcf <br /> B,H,N: Size of flush-joint casing DST: Direct shear test <br /> CAS: Pipe casing, number indicates nominal diameter in E: Pressuremeter Modulus, tsf <br /> inches HYD: Hydrometer analysis ' <br /> COT: Clean-out tube LL: Liquid Limit, % <br /> DC: � Drive casing;number indicates diameter in inches LP: Pressuremeter Limit Pressure,tsf <br /> DM: Drilling mud or bentonite slurry OC: Organic Conten[,% <br /> DR: Driller(initials) PERM: Coefficient�ofpermeability(K) tesi;F-Field; . <br /> DS: Disturbed sample from auger flights L- Laboratory " � <br /> DP: Direct push drilling; a 2.I25 inch OD outer casing PL: Plastic Limit,% <br /> wi[h an inner l%z inch �D p�astic tube is driven . qP: . Pocket Penetrometer strength,tsf(anproximate) <br /> continuously into the ground. q�: Static cone bearing pressure,tsf <br /> FA: Flight auger; number indicates outside diameter in q,,: Unconfined compressive strength, psf <br /> inches R: Electrical Resistivity,ohm-cros <br /> HA: Hand auger;number indicates outside diameter RQD: Rock Quality Designation of Rock Core, in percent <br /> HSA: Hollow stem auger;number indicates inside diameter (aggregate length of core pieces 4"or more in length <br /> � in inches as a percent of total core run) <br /> LG: Field logger(initials) SA: Sieve analysis � <br /> MC: Column used to describe moisture condition of TRX: Triaxial compression test <br /> samples and for the ground water level symbols VSR: Vane shear strongth,remolded(Field);psf <br /> N(BPF): Standard penetration resistance(N-value)in blows per� VSU: Vane shear strength,undisturbed(field),psf <br /> foot(see notes) WC: Water content,as percent of dry weight <br /> NQ: NQ wireline core baael %-200: Percent of material.finer than#200 sieve <br /> PQ: PQ wireline core barrel <br /> RDA: Rotary drilling with compressed air and roller or drag STAIYDARD PEIYETRATION TEST fYOTES <br /> bit. (Calibrated Hammer Weight) <br /> RDF: Rotary drilling with drilling fluid and roller or drag bit The standard penetration test consists of driving a splii-spoun <br /> REC: In split-spoon(see notes),direct push and thin-walled sampler with a drop hammer(calibrated weight varies to provide <br /> tube sampling, the recovered (ength (in inches) of N60 values)and counting the number of blows applied in each o E <br /> sample. [n rock coring, the length of core cecovered three 6" increments of penetration: [f the sampler is driven less <br /> (expressed as perccnt of the total core run). Zero than 18" (usually in highly resistant material), permitted in <br /> indicates no sample recovered. ' AST'M:D 1586,[he blows for each complete 6"increment and for <br /> SS: S[andard split-spoon sampler (steel; l.5" is inside each partial increment is on the boring log_For partial increments, <br /> diameter; 2" outside diameter); unless indicated the number of blows is shown to the nearest 0.1'bclo�v the slash. <br /> otherwise— <br /> SU Spin-up sample from hollow stem auger � The length oFsample recovered,as shown on the"REC"column, <br /> TW: Thin-walled tube;number indicates inside diameter in may be greater than the distance indicated in the N column.The <br /> inches disparity is because the IV=valuc is recorded below the initial 6" <br /> WASH: Sample of material obtained by screening retuming set (unless partial penetration defincd in ASTM: D1586 is <br /> rotary drilling fluid or by which has collected inside encountered) whereas the length of sample recovered is fur the <br /> the borehole after"falling"through drilling fluid entire sampler drive(which may even cxterid more than l8"). <br /> WH: Sampler advanced by static weight of drill rod and <br /> hammer <br /> WR: Sampler advanced by static weight of drill rod <br /> 94mm: 94 millimeter wireline core barrel <br /> �: Water level directly measured in boring <br /> �: Estimated water level based solely on sample <br /> appearancc <br /> O lREP052C(7/l I) AMER[CALY ENG[NEERING TEST[NC,INC_ <br />