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9' <br /> LOG OF EXPLORATION <br /> DEPTH(FEET) USC SOIL DESCRIPTION <br /> TEST PIT ONE <br /> 0.0-0.8 GRAY,COARSE SAND(LOOSE,DRY)(FILL) <br /> 0.8-2.0 TAN,SILTY FINE TO MEDIUM SAND WITH GRAVEL AND ROOTS(LOOSE,DRY)(FILL) <br /> 2.0-3.0 FINE GRAVEL AND 1.25-INCH PVC PIPE(LOOSE, DRY)(FILL) <br /> 3.0-5.4 SM TAN,SILTY FINE TO COARSE SAND WITH GRAVEL(MEDIUM DENSE TO VERY DENSE,DRY) <br /> 5.4-7.0 SM GRAY,SILTY FINE TO MEDIUM SAND WITH TRACE GRAVEL(VERY DENSE,DRY) <br /> (GLACIAL TILL) <br /> SAMPLES WERE COLLECTED AT 3.5,4.7,5.8,AND 7.0 FEET <br /> GROUNDWATER SEEPAGE WAS NOT ENCOUNTERED <br /> TEST PIT CAVING WAS NOT ENCOUNTERED <br /> TEST PIT WAS COMPLETED AT 7.0 FEET ON 9/15/2017 <br /> TEST PIT TWO • <br /> 0.0-0.4 TOPSOIL <br /> 0.4-2.3 ML TAN-BROWN SILT AND FINE TO MEDIUM SAND WITH GRAVEL (LOOSE-MEDIUM DENSE, <br /> DRY) <br /> 2.3-3.2 SM LIGHT GRAY, SILTY FINE TO MEDIUM SAND WITH TRACE FINE GRAVEL AND IRON <br /> OXIDATION STAINING(MEDIUM DENSE,DRY-MOIST)(WEATHERED TILL) <br /> 3.2-4.1 SM BROWN, SILTY FINE TO MEDIUM SAND WITH GRAVEL (MEDIUM DENSE, DRY-MOIST) <br /> (WEATHERED TILL) <br /> 4.1 -5.3 SM GRAY,SILTY FINE TO MEDIUM SAND WITH TRACE GRAVEL(VERY DENSE,DRY) <br /> (GLACIAL TILL) <br /> SAMPLES WERE COLLECTED AT 2.5,3.8,AND 5.3 FEET <br /> GROUNDWATER SEEPAGE WAS NOT ENCOUNTERED <br /> TEST PIT CAVING WAS NOT ENCOUNTERED <br /> TEST PIT WAS COMPLETED AT 5.3 FEET ON 9/15/2017 <br /> TEST PIT THREE <br /> 0.0-0.5 TOPSOIL <br /> 0.5-1.6 ML TAN-BROWN SILT AND FINE TO MEDIUM SAND WITH GRAVEL (LOOSE-MEDIUM DENSE, <br /> DRY) <br /> 1.6-2.8 SM LIGHT GRAY, SILTY FINE TO MEDIUM SAND WITH TRACE FINE GRAVEL AND IRON <br /> OXIDATION STAINING(MEDIUM DENSE,DRY-MOIST)(WEATHERED TILL) <br /> 2.8-3.6 SM GRAY,SILTY FINE TO MEDIUM SAND WITH TRACE GRAVEL(VERY DENSE,DRY) <br /> (GLACIAL TILL) <br /> SAMPLES WERE COLLECTED AT 2.2 AND 3.5 FEET <br /> GROUNDWATER SEEPAGE WAS NOT ENCOUNTERED <br /> TEST PIT CAVING WAS NOT ENCOUNTERED <br /> TEST PIT WAS TERMINATED AT 3.6 FEET ON 9/15/2017 <br /> • <br /> CTC: NELSON GEOTECHNICAL ASSOCIATES, INC. <br /> FILE NO 1008917 <br /> FIGURE 4 <br />