Project Name: 2610 Cal Young Road Infiltration <br />Elapsed Time <br />(Minutes)Time (Hours) <br />Initial Head <br />Height (Inches) <br />H1 <br />Head Height at <br />Time (Inches) <br />H2 <br />Measured Drop <br />(Inches) <br />Infiltration Rate <br />(Inches Per Hour) <br />0 0.000 12.0 12.0 0.0 <br />1 0.017 12.0 12.0 0.0 0.0 <br />2 0.033 12.0 12.0 0.0 0.0 <br />3 0.050 12.0 12.0 0.0 0.0 <br />4 0.067 12.0 12.0 0.0 0.0 <br />5 0.083 12.0 12.0 0.0 0.0 <br />10 0.167 12.0 12.0 0.0 0.0 <br />15 0.250 12.0 12.0 0.0 0.0 <br />30 0.500 12.0 12.0 0.0 0.0 <br />45 0.750 12.0 12.0 0.0 0.0 <br />60 1.000 12.0 12.0 0.0 0.0 <br />120 2.000 12.0 12.0 0.0 0.0 <br />180 3.000 12.0 12.0 0.0 0.0 <br />240 4.000 12.0 12.0 0.0 0.0 <br />0.0Measured Infiltration Rate (inches per hour): <br />INFILTRATION TESTING DATA TABLE <br />Project No.: 25-1127 CORE GeoEngineering <br />Engineering Geologist: B. Cook, C.E.G. E2245 <br />Infiltration Test Designation: IT-1.2 <br />Date: 12/5/2025 Test Method: Open-Pit Falling-head <br />Standpipe:N/A <br />Test Location: TP-1 Test Depth: 8 feet bgs <br />Soil Description: Lean CLAY (CL)Embedment Depth: N/A <br /> 25-1127, 2610 Cal Young Road, Eugene, Oregon Page 2: Infiltration Testing <br />CORE GEOENGINEERING <br />4207 SE Woodstock Blvd <br />Portland, Oregon 97206