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<br /> <br />ASSOCIATED SOILS ENGINEERING, INC. Project No.: 7160.23 <br />2860 Walnut Avenue, Signal Hill CA 90755 January 23, 2024 <br />Tel: (562) 426 -7990 * Fax: (562) 426 -1842 Page 33 <br />PERCOLATION DATA SHEET <br /> <br />Project: On-Site Storm Water Dispersal Job No.: 7160.23 <br /> Proposed Community Hub Building <br /> 1801 East Chestnut Avenue, Santa Ana, CA <br /> <br />Test Hole No.: B-P1 Date Excavated: 12/1/2023 Depth of Test Hole: 9' 8" <br />Soil Classification: Silty Fine Sand Presoak: √ <br />Percolation Tested By: JC Date: 12/2/2023 Note: 2.0” Gravel at Bottom of Pipe <br /> <br />SANDY SOIL CRITERIA TEST <br />Trial <br />No. <br /> <br />Time <br />Time Interval <br />(Min.) <br />Initial Water Level <br />(Inches) <br />Final Water Level <br />(Inches) <br />∆ In Water Level <br /> (Inches) <br />1 7:22 <br />7:28 6 -9.0 -18.0 9.0 <br />2 7:30 <br />7:34 4 -9.0 -15.0 6.0 <br /> <br /> <br />USE NORMAL SANDY (CROSS ONE) SOIL CRITERIA <br /> <br /> <br />Time <br /> <br /> <br />Time <br />Interval <br />(Min.) <br />Total <br />Elapsed <br />Time <br />(Min.) <br />Initial <br />Water Level <br /> (Inches) <br />Final <br />Water Level <br />(Inches) <br />∆ In Water <br />Level <br />(Inches) <br />Percolation <br />Rate <br />(Min./Inches) <br />7:36 <br />7:46 10 10 -9 -23.0 14.0 0.714 <br />7:47 <br />7:57 10 20 -9 -24.0 15.0 0.667 <br />7:58 <br />8:08 10 30 -9 -27.0 18.0 0.556 <br />8:09 <br />8:19 10 40 -9 -24.0 15.0 0.667 <br />8:20 <br />8:30 10 50 -9 -21.25 12.25 0.816 <br />8:31 <br />8:41 10 60 -9 -23.5 14.5 0.690 <br />8:42 <br />8:52 10 10 -9 -23.0 14.0 0.714 <br /> <br /> <br />PLATE H-1 <br /> <br />