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CONSTRUCTION <br /> �� 1 \ U L � INSPECTION&MATERIALS <br /> {{7 TESTING LABORATORY <br /> North American Technical Services <br /> PERCOLATION TEST DATA FORM <br /> Percolation Test Location Morrill Industries 24754 E River Rd-Existin Basin <br /> Test Hole Number B _ <br /> Existing grade to bottom of hole 6.0 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 existing basin, 1.0' below existing basin <br /> bottom grade. <br /> 0-5' Approx. basin depth at test location(basin bottom surface is sloped) <br /> 5-6" SM brown sand <br /> Percolation test by Justin Hasley Date of test 9/29/2016 <br /> Time Interval,min Measurement, Drop in water level Remarks <br /> ft <br /> 3:13 - 2.150 Start <br /> 3:18 52.650E 0.500 Refilled to 2.150 <br /> 3:23 5 2.650 E 0.500 Refilled to 2.150 <br /> 3:28 5 2.650 E 0.500 Refilled to 2.150 <br /> 3:33 5 2.610 0.460 Refilled to 2.160 <br /> 3:38 5 2.610 0.450 Refilled to 2.150 <br /> 3:43 5 2.580 0.430 Refilled to 2.140 <br /> 3:48 5 2.490 0.350 Refilled to 2.150 <br /> 3:53 5 2.440 0.290 Refilled to 2.140 <br /> 3:58 5 2.380 0.240 Refilled to 2.150 <br /> 4:03 5 2.410 0.260 Refilled to 2.150 <br /> 4:08 5 2.400 0.250 Refilled to 2.150 <br /> 4:13 5 2.390 0.240 End <br /> 0.240 ft=2.88 inch <br /> Percolation Rate= 1.74 minutes per inch <br /> Note:Measurements are from a fixed reference point that is not equal to the hole depth. <br /> 4713 ENTERPRISE WAY-SUITE 4•MODESTO•CALIFORNIA a 95356.209-545-1108 <br />