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CITY OF SANTA ANA <br />Planning and Building Agency <br />KEY: <br />■ <br />z <br />h <br />Indicates 2.5-inch Inside Diameter. Ring Sample. <br />Indicates 2-inch OD Split Spoon Sample (SPT). <br />Indicates Shelby Tube Sample. <br />Indicates No Recovery. <br />Indicates SPT with 140# Hammer 30 in. Drop. <br />Indicates Bulk Sample. <br />Indicates Small Bag Sample. <br />Indicates Non -Standard <br />Indicates Core Run. <br />COMPONENT DEFINITIONS <br />I COMPONENT <br />SIZE RANGE <br />i <br />Boulders <br />Larger than 12 in <br />Cobbles <br />3 in to 12 in <br />Gravel <br />3 in to No 4 (4,5mm ) <br />Coarse gravel <br />3 in to 314 in <br />Fine gravel <br />314 in to No 4 ( 4.5mm j <br />Sand <br />No. 4 ( 4.5mm ) to No. 200 ( 0.074mm ) <br />Coarse sand <br />No, 4 (4.5 mm) to No. 10 (2.0 mm) <br />Medium sand <br />No. 10 (2.0 mm ) to No. 40 (0.42 mm) <br />Fine sand <br />No. 40 ( 0.42 mm) to No. 200 (0.074 mm) <br />Silt and Clav <br />Smaller than No. 200 ( 0.074 mm) <br />d <br />FOR PERMIT I UANCE <br />Master ID: <br />Date: <br />COMPONENT PROPORTIONS <br />DESCRIPTIVE TERMS RANGE OF PROPORTION <br />Trace 1 - 5% <br />Few 5 - 10% <br />Little 10 - 20% <br />Some 20 - 35% <br />And 35 - 50% <br />MOISTURE CONTENT <br />DRY <br />Absence of moisture, dusty, <br />dry to the touch. <br />DAMP <br />Some perceptible <br />moisture; below optimum <br />MOIST <br />No visible water; near optimum <br />moisture. content <br />WET <br />Visible free water, usually <br />sail is below water table. <br />RELATIVE DENSITY OR CONSISTENCY VERSUS SPT N -VALUE <br />COHESIONLESS SOILS <br />COHESIVE SOILS <br />Density <br />N ( blows/ft) <br />Consistency <br />N (blows/ft) <br />Approximate <br />Undrained Shear <br />Strength (psi) <br />Very Loose <br />0 to 4 <br />Very Soft <br />0102 <br />1-250 <br />Loose <br />4 to 10 <br />Soft <br />2 to 4 <br />250 - 500 <br />Medium Dense <br />10 to 30 <br />Medium Stiff <br />4 to B <br />500 - 1000 <br />Dense <br />30 to 50 <br />Stiff <br />6 to 15 <br />1000 - 2000 <br />Very Dense <br />over 50 <br />Very Stiff <br />15 to 30 <br />2000 - 4000 <br />Hard <br />over 30 <br />> 4000 <br />NorCal Engineering <br />