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Percolation Test Data Sheet for hole#5 <br /> Test hole location: Lot 7, Block l, 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 Te�ure <br /> 0— 3 lOYRi/2 Loam <br /> 3 — 12 10YR5/4 Clay 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 /> Percolarion test was conducted by DH Excavating. <br /> Percolation tests started on June 22, 1999 at 7:55 a.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 /> 7:55 Start 12 <br /> 8:25 30 minutes 11 7/16 9/16 .5625 30/ .5625 = 53 mpi <br /> 8:28 Refill 12 <br /> 8:58 30 minutes 11 7/16 9/16 .5625 30/ .5625 = 53 mpi <br /> 8:59 Refill 12 <br /> 9:29 30 minutes 11 7/16 9/16 .5625 30/ .5625 = 53 mpi <br /> Perc rate=53 mpi <br /> Ten Percent Calculation <br /> 53 - 53 = 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 /> 53 x .10= 0 or smaller than the bottom number, than average of <br /> smallest rate the three readings is the perc rate. <br />