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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 34 <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-P2 Date Excavated: 12/1/2023 Depth of Test Hole: 5' 1" <br />Soil Classification: Silty 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 7:40 <br />7:59 19 -4.0 -10.0 6.0 <br />2 8:00 <br />8:22 22 -4.0 -10.0 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 />8:28 <br />8:38 10 10 -4.0 -6.5 2.5 4.000 <br />8:39 <br />8:49 10 20 -4.0 -6.25 2.25 4.444 <br />8:50 <br />9:00 10 30 -4.0 -5.75 1.75 5.714 <br />9:01 <br />9:11 10 40 -4.0 -5.5 1.5 6.667 <br />9:12 <br />9:22 10 50 -4.0 -5.5 1.5 6.667 <br />9:23 <br />9:33 10 60 -4.0 -5.75 1.75 5.714 <br /> <br /> <br /> <br />PLATE H-2 <br />