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<br />I <br /> BORING LOG NOTES <br /> DRILLING AND SAMPLING SYMBOLS TEST SYMBOLS <br /> Symbol Definition Symbol Definition <br />I B,H,N: Size of flush-joim casing CONS: One-<limensional consolidation test <br /> BX: BX double mbe core barrel DEN: Dry density, pcf <br />I AC: At completion of boring DST: Direct shear test <br /> CA: Crew assistant E: Pressuremeter Modulus, tsf <br /> CAS: Pipe casing, number indicates nominal HYD: Hydrometer analysis <br /> diameter in inches LL: Liquid limit, % <br />I CC: Crew chief LP: Pressuremeter Limit Pressure, tsf <br /> COT: Clean-oUl mbe PERM: Coefficient of permeability (K) test; F - Field; <br /> DC: Drive casing; number indicates diameter in inches L - Laboratory <br />I DM: Drilling mud or bentonite slurry PI,: Plastic limit, % <br /> DS: Disturbed sample from auger flights ~: Pocket penetrometer strength, tsf <br /> FA: Flight auger; number indicates outside '10: Static cone bearing pressure, tsf <br />I diameter in inches q..: Unconfined compressive strength. psf <br /> HA: Hand auger; number indicates outside diameter R: Electrical resistivity, ohm-cms <br /> HSA: Hollow-stem auger; number indicates inside RQD: Rock Quality Designator in percem (aggregate <br /> diameter in inches length of core pieces 4" or more in length as a <br />I JW: Jetting water percem of total core run) <br /> MC: Column used to describe moisture condition of SA: Sieve analysis <br /> samples and for the ground water level symbol TRX: Triaxial compression test <br />'- N (BPF): Standard penetration resistance (N-value) in VS: Vane shear strength (field), psf <br /> blows per foot (see notes) WC: Water comem, as percem of dry weight <br /> NQ: NQ wireline core barrel %-200: Percent of material fmer than #200 sieve <br />I PQ: PQ wireline core barrel <br /> RD: Rotary drilling with fluid and roller or drag bit STANDARD PENETRATION TEST NOTES <br /> REC: In spiit-spoon (see notes) and thin-walled mbe <br /> sampling, the recovered length (in inches) of The standard penetration test consists of driving the sampler <br />I sample. In rock coring, the length of core with a 140-pound hammer and counting the number of blows <br /> recovered (expressed as percent of the total applied in each of three 6" increments of penetration. If the <br /> core run). Zero indicates no sample recovered. sampler is driven less than 18" (usually in highly resistant <br />I REV: Revert dri1ling fluid material), permitted in ASTM:DI586, the blows for each <br /> SS: Standard split-spoon sampler (steel; 1%" is complete 6" incremem and for each partial incremem is <br /> inside diameter; 2" outside diameter); unless on the boring log. For partial increments, the number of <br />I indicated otherwise blows is shown to the nearest tenth of a foot below the slash. <br /> TW: 'Thin-walled mbe; number indicates inside <br /> diameter in inches The length of sample recovered. as shown on the "REC" <br /> WASH: Sample of material obtained by screening column, may be greater than the distance indicated in the <br />I returning rotary drilling fluid or by which N column. The disparity is because the N-value is recorded <br /> has collected inside the borehole after below the initial 6" set (unless partial penetration defmed <br /> "falling" through drilling fluid in ASTM:D 1586 is encountered) whereas the length of sample <br />I WAT: Water recovered is for the entire sampler drive (which may even <br /> WH: Sampler advanced by static weight of drill extend more than 18"). <br /> rod and 140-pound hammer <br />I WR: Sampler advanced by static weight of drill rod <br /> 94mm: 94 millimeter wireline core barrel <br /> .!.: Water level indicated in boring <br />t' AJ.\1ERICAJ."I ENGINEERING TESTING, INC. <br />I <br />