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CERTIFICATION NO.627 <br /> 'STATE LICENSE NO.394 <br /> PERCOLATION TEST DATA SHEET <br /> Percolation test readings made by,S-P Testing,Inc. on 5-15-03 starting at 10:08am. <br /> Test hole location MN/DOT, 1230 Orono Oaks Dr.,Parcel 92D,Orono. <br /> Test hole numberA. Date test hole was prepared 5-14-03. <br /> Depth of hole bottom 12 inches. Diameter of hole h inches. <br /> SOIL DATA FROM TEST HOLE <br /> DEPTH,INCHES SOIL TEXTURE <br /> 0 - 6" Topsoil dark brown loam <br /> 6" - 12" Gray brown loam <br /> Method of scratching sidewalk is knife. Depth of gravel in bottom of hole is/Inches. Date and hour of initial <br /> water filling 5-14-03,4:00pm. Depth of initial water filling is 12 inches above the hole bottom. <br /> Method used to maintain at least 12 inches of water depth in hole for at least 4 hours is automatic siphon. <br /> Maximum water depth above hole bottom during test is 6.inches. <br /> Measurement, Drop in water level, Percolation rate, <br /> Time Time interval,min inches inches minutes per inch Remarks <br /> 9:55 prefill 6 <br /> 10:08 10:38 6 3-1/4 9.2 30 min <br /> 10:39 11:09 6 3-1/4 9.2 30 min <br /> 11:16 11:46 6 3-1/4 9.2 30 min <br /> Percolation rate=9.2 minutes per inch. • <br /> A <br />