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Percolation Test Data Sheet for hole#4 <br /> Test hole location: Lot 5,Block 1, Crystal Bay Preserve, Orono <br /> Date test hole was prepared June 21, 1999 <br /> Depth of hole bottom, 12 inches Diameter of hole= 6 inches <br /> Soil Data from Test Hole <br /> Depth, inches Color Texture <br /> 0— 12 10YR3/2 Loam <br /> Sidewalls scratched with a stick with nails. Depth of pea rock in bottom of hole was 2". <br /> Hole initially filled on June 21, 1999 at @ 2:30 p.m. to 12" above the bottom of the hole. <br /> An automatic siphon was used to maintain at least 12" of water in the hole for 4 hours. <br /> Percolation test was conducted by DH Excavating. <br /> Percolation tests started on June 22, 1999 at 5:05 p.m. <br /> Maximum water depth above the bottom of the hole during the test was 12". <br /> TIlViE INTERVAL WATER WATER DROP WATER DROP PERC RATE <br /> (MINUTES) DEPTH (fraction) (decimal) CALCULATION <br /> 5:05 Start 12 <br /> 5:35 30 minutes 11 '/4 3/4 .75 30/ .75 =40 mpi <br /> 5:36 Refill 12 <br /> 6:06 30 minutes 11 '/4 3/4 .75 30/ .75 =40 mpi <br /> 6:08 Refill 12 <br /> 6:38 30 minutes 11 '/4 3/< .75 30/.75 =40 mpi <br /> Perc rate=40 mpi <br /> - Ten Percent Calculation <br /> 40 - 40 = 0 If the top number is larger than the bottom number, <br /> largest rate— smallest rate take another reading. If the top number is equal to, <br /> 40 x .10 = 0 or smaller than the bottom number, than average of <br /> smallest rate the three readings is the perc rate. <br />