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1 CONSTRUCTION <br /> C INSPECTION®MATERIALS <br /> TESTING LABORATORY <br /> North Arnericer7 Technical Services <br /> PERCOLATION TEST DATA FORM <br /> Percolation Test Location Morrill Industries,24754 E River Rd-Intermediate Pond <br /> Test Hole Number A <br /> Existing grade to bottom of hole 7.5_feet. Diameter of hole 6 inches. <br /> Reference point to bottom of hole 6.65 feet Depth of test water 6 inches <br /> "Existing grade"is adjacent natural grade. Test hole located in cut trench, <br /> 0-2.7' Trench depth <br /> 2.7-3.8' SM brown-gray silty sand <br /> 3.8-7.5 SM brown sand <br /> Percolation test by Justin Hasley Date of test 9/29/20.16 <br /> Measurement, Drop in water <br /> Time Interval, min ft level Remarks <br /> 9:49 - 4.280 - Start <br /> 9:54 5 4.780 E 0.500 Refilled to 4.280 <br /> 9:59 5 4.780 E 0.500 Refilled to 4.280 <br /> 10:04 5 4.780 E 0.500 Refilled to 4.280 <br /> 10:09 5 4.780 E 0.500 Refilled to 4.280 <br /> 10:14 5 4.780 E 0,500 Refilled to 4.280 <br /> 10:19 5 4.610 0.330 Refilled to 4.270 <br /> 10:24 5 4.560 0.290 Refilled to 4.280 <br /> 10:29 5 4.510 0.230 Refilled to 4.290 <br /> 10:34 5 4.530 0.240 Refilled to 4.280 <br /> 10:39 1 5 4.510 0.230 1 Refilled to 4.280 <br /> 10:44 5 1 4.510 0.230 Refilled to 4.280 <br /> 10:49 5 4.510 0.230 End <br /> 0.230 ft= 2.76 inch <br /> Percolation Rate= 1.81 minutes per inch <br /> Note: Measurements are from a fixed reference point that is not equal to the hole depth. <br /> 4713 ENTERPRISE WAY a SUITE 4•MODESTO-CALIFORNIA -95356-209-545-1108 <br />