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PERCOLATION TEST SHEET <br /> Test hole location 97377 Hole No. 2 Date test hole was prepared: 10-01-97 <br /> Depth of hole bottom: 30 inches Diameter of holes 6 inches <br /> Soil data from test holes: <br /> depth, inches soil textures soil colors <br /> See Soil Borings <br /> Method of scratching sidewall: nails in lathe Depth of pea size gravel in bottom of hole: 2 inches <br /> Date and hour of initial water filling:10/1 11:49am Depth of initial water filling: 12" above hole bottom <br /> Method used to maintain 12" of water depth in hole for 4 hours: Sand Test <br /> Percolation test done by: Bob Benedict Percolation test started at 11:51 am <br /> Maximum water depth above hole bottom during test: 8 inches <br /> WATER WATER PERC RATE <br /> TIME INTERVAL WATER DROP DROP CALCULATION conversions <br /> (MINUTES) DEPTH (fraction) (decimal) <br /> 11:51 START 8 10 ± 1.5 = 6.7 <br /> TIME DROP PERC A 1/16 = .05 <br /> 12:01 - 10 _ _ 6 1/2__ __1 1/2__ _ 1.5 _ (Decimal) 1/8 = .13 <br /> 12:02 REFILL 8 10 ± 1.5 = 6.7 <br /> 12:12 10 _ _ 8 1/2__ __1 /2__ _ 1.5 - TIME DROP PERC B 3/18 = .19 <br /> - -- - (Decimal) 1/4 = .25 <br /> 12:13 REFILL 8 10 ± 1.5 = 6.7 5/16 = .31 <br /> 12:23 10 _ 6 ./2-_ _1 1/2-_ - 1.5 - TIME DROP PERC C <br /> - - -- - (Decimal) 3/8 = .38 <br /> REFILL - - — = 7/16 = .44 <br /> TIME DROP PERC D <br /> - - - - - - - - (Decimal) 1/2 = .5 <br /> REFILL - - . = 9/16 = .56 <br /> TIME DROP PERC E <br /> - - - - - - - - (Decimal) 5/8 = .63 <br /> REFILL _ _ . = 11/16 = .69 <br /> TIME DROP PERC F <br /> - - - - - - - - (Decimal) 3/4 = .75 <br /> REFILL _ _ _1_ = 13/16 = .81 <br /> TIME DROP PERC G <br /> - - - - - - - - (Decimal) 7/8 = .88 <br /> REFILL - - — = 15/16 = .94 <br /> TIME DROP PERC H <br /> - - - - - - - (Decimal) <br /> A, B, C B, C, D <br /> Largest No. of ABC Smallest No. of ABC Largest No. of BCD Smallest No. of BCD <br /> x 0.10 = x 0.10 = <br /> Largest No. of ABC Largest No. of BCD <br /> C, D, E D, E, F <br /> Largest No. of CDE Smallest No. of CDE Largest No. of DEF Smallest No. of DEF <br /> x 0.10 = x 0.10 = <br /> Largest No. of CDE Largest No. of DEF <br /> E, F, G F, G, H <br /> Largest No. of EFG Smallest No. of EFG Largest No. of FGH Smallest No. of FGH <br /> x 0.10 = x 0.10 = <br /> Largest No. of EFG Largest No. of FGH <br /> • If the top number in each set of boxes is larger than the bottom number then take another reading. If <br /> the top number is equal or smaller than the bottom number, average the three numbers for the perc rate. <br />