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Y <br /> 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 10:07am. <br /> Test hole location MN/DOT, 1230 Orono Oaks Dr., Orono. <br /> Test hole number. Date test hole was prepared 5-14-03. <br /> Depth of hole bottom 12.inches. Diameter of hole a inches. <br /> SOIL DATA FROM TESXHOLE <br /> DEPTH,INCHES SOIL TEXTURE <br /> 0 - 8" Topsoil dark brown loam <br /> 8" - 12" Gray brown loam <br /> Method of scratching sidewall is knife. Depth of gravel in bottom of hole is 2 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 fi 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 /> 10:07 10:37 6 5-1/4 5.7 30 min <br /> 10:40 11:10 6 5-1/4 5.7 30 min <br /> 11:15 11:45 6 5-1/4 5.7 30 min <br /> Percolation rate=5.7 minutes per inch. <br />