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Van Allen School--Escalon, California <br /> PERCOLATION TEST DATA <br /> Test Date: 2/12/2014 Job#20-2469G <br /> PERCOLATION TEST#: P-4 Test Location: See Test location Sheet <br /> TEST HOLE DETAILS: Test Hole <br /> Diam Death Test Interval <br /> 6.0" 12.5 feet 12.0-12.5 feet depth <br /> Additional Notes: To Control potential sidewall caving boring was cased with 4.0"diam solid drain pipe with multiples of 1/2"perforations <br /> within the lower 6"and 2"pea gravel was placed at the bottom of hole.S]CDEH Procedure#3(10 min for 1 Hr)was <br /> employed for test. <br /> Date Notes TIME(T) s WATER LEVEL(D) & Time -&Depth PERCOLATION RATE <br /> (min) (Inches above base of hole) (min) (inches) (Min/Inch) <br /> 2/11/14 Pesaturation 1:46 1:56 6.0"/0.0" 10 >6.0 (No Water Remained) <br /> 2/12/14 Begin Test 1:48 2:08 6.0"/2.25" 20 3.75 5.33 <br /> 2/12/14 Reading 2:08 2:18 6.0-/4.5" 10 1.50 6.67 <br /> 2/12/14 [Reading 2:25 2:45 6.0"/2.625" 20 3.38 5.93 <br /> 2/12/14 Reading 2:45 3:05 6.0"/2.875' 20 3.13 6.40 <br /> 2/12/14 Reading 3:15 3:25 6.0"/4.5" 10 1.50 6.67 <br /> 2/12/14 Reading 3:27 3:37 6.0"/4.5" 10 1.50 6.67 <br /> 2/12/14 Reading 3:37 3:47 6.0"/4.25" 10 1.75 5.71 <br /> 2/12/14 Reading 3:48 3:5B 6.0"/4.5" 10 1.50 6.67 <br /> 2/12/14 Reading 3:59 4:09 6.0"/4.5" 10 1.50 6.67 <br /> 2/12/14 Reading 4:D9 4:19 6.0"/4.5" 10 1.50 6.67 <br /> r4tuA/Percolation Rate - 6.67 Min/Inch <br /> TEST HOLE SOIL LOG <br /> Depth ft SoII Description USC Classification <br /> 0.0-B.0 Soft,clayey SILT ML <br /> 8.0-12.0 Very dense,cemented silty fine SAND SM <br /> 12.0-12.5 Med dense,silty fine SAND SM <br />