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AZ NORTHERN <br />TECHNOLOGIES,.LLC <br />CLIENT City of <br />N T' <br />Ramsey <br />Inver Grove Heights BORING NUMBER SB-27 <br />6160 Carmen Avenue East PAGE 1 OF 1 <br />Inver Grove Heights, MN 55076 <br />P: 651-389-4191 Long: -93° 27' 35.7025" <br />www.NTIgeo.com Lat: 45° 16' 10.4648" <br />PROJECT NAME 20-01 Variolite Street Reconstruction <br />PROJECT NUMBER 19.MSP09109.000 PROJECT LOCATION Ramsey Minnesota <br />DATE STARTED 9/24/19 COMPLETED 9/24/19 GROUND ELEVATION 875.5 feet HOLE SIZE 6 1/2 in. <br />DRILLING CONTRACTOR NTI GROUND WATER LEVELS: <br />DRILLING METHOD 3 1/4 in H.S.A AT TIME OF DRILLING 5.25 ft / Elev 870.25 ft <br />LOGGED BY Drew Faherty CHECKED BY Deb Schroeder AT END OF DRILLING --- <br />CAVE IN (ft) --- FROST DEPTH (ft) --- AFTER DRILLING --- <br />NOTES Elevation determined using Trimble GeoXH 6000 (Anoka County datum). <br />o DEPTH <br />o (ft) <br />GRAPHIC <br />LOG <br />MATERIAL DESCRIPTION <br />SAMPLE TYPE <br />NUMBER <br />RECOVERY % <br />(RQD) <br />BLOW <br />COUNTS <br />(N VALUE) <br />POCKET PEN. <br />(tsf) <br />DRY UNIT WT. <br />(pcf) <br />MOISTURE <br />CONTENT (%) <br />ATTERBERG <br />LIMITS <br />FINES <br />LIQUID <br />LIMIT <br />PLASTIC <br />LIMIT <br />PLASTICITY <br />INDEX <br />--;t.* <br />2.5 <br />0.3 BITUMINOUS PAVEMENT (4.0 inches)* 875.2 <br />ORE <br />0.6 APPARENT AGGREGATE BASE (3.5 inches) 874.9 <br />AU <br />, <br />POORLY GRADED SAND WITH SILT, (SP-SM) brown, <br />fine to coarse grained, moist, trace gravel, occasional <br />bituminous pieces <br />(Undocuemented Fill) <br />2.0 873.5 <br />12 <br />SILTY SAND, (SM) dark brown to light brown, fine to <br />medium grained, moist, trace gravel <br />(Undocuemented Fill) <br />4.0 871.5 <br />2S <br />100 <br />(157 <br />22 <br />5.0 <br />18 <br />SILTY SAND, (SM) light brown to dark brown, fine <br />grained, moist to saturated, loose, trace gravel <br />(Glacial Outwash) <br />7.0 868.5 <br />\ / <br />N <br />SS <br />3 <br />67 <br />5-3-2 <br />(5) <br />25 <br />7.5 <br />` / <br />/N` <br />SS <br />4 <br />56 <br />5-3-4 <br />(7) <br />POORLY GRADED SAND WITH SILT, (SP-SM) gray, <br />fine to coarse grained, saturated, loose, trace gravel, <br />occasional silt seams <br />(Glacial Outwash) <br />9.0 866.5 <br />10.0 <br />SILTY SAND, (SM) brown, fine to medium grained, <br />saturated, medium dense, trace gravel <br />(Glacial Outwash) <br />10.5 865.0/ <br />\ / <br />N <br />\ <br />SS <br />44 <br />(13) <br />*Pavement core thickness may not be representative <br />due to crumbling during coring process. <br />Bottom of borehole at 10.5 feet. <br />