Laserfiche WebLink
Environmental Risk Servi Corporation <br /> Boring Log, MW-11 P, S TDate: 9/15/05 Logged by: Tyson Fulmer Well Specifications <br /> Location: Roberts No. 1, Roberts Island, Port of Stockton Elevation (feet msl; p,$) <br /> Drilling Co.: Major Drilling GS: -10.90, -10.82 TOC:-11.10, -11.07 <br /> Driller: Frank Bartolovich Depth to Water <br /> Drilling Method: 8" hollow stem auger Static: P: 6.2'; S: 6.52' <br /> Grout Materials and Method: Bentonite and Tremie grouted bentonite neat cement slurry Total Well Depth: P: 67; S: 19.6' <br /> Well Sand Type: 2/12 Monterrey sand P: Lat.: 37.976762 Long.: -121.407332 <br /> Completion: Finished flush in traffic rated Christy box S: Lat.: 37.976738 Long.: -121.407332 <br /> Groundwater Sampling Method: No samples Screen Interval: P: 1.7-67; S: 14.6-19.6' <br /> Soil Sampling Method: 2'split spoon (P = push) PVC: S C H 40, 2"D, 0.010" slot <br /> N <br /> CY) - Well Well <br /> Y > `° (D CO r o, Detail Detail <br /> �9 > a 0 o m m� MW- MW- <br /> 0 0 Of m D 0 Material Description 11P 11S Remarks <br /> Dry to damp peat layer, moist to wet, peat at bottom <br /> 1 <br /> 2 <br /> PT 3- <br /> 4- <br /> 5— <br /> Clay <br /> 45Clay on bottom of peat, gray (2 Gley 4/1), soft plastic <br /> 6 clay mixed with peat at 4 to 8 feet bgs <br /> 7 j C L/ <br /> 8 PT ,. <br /> 9- <br /> 10— 2 <br /> 11 <br /> 3 Gray clay, high plasticity, hard, silty, damp at 10 to 13 bgs <br /> 4 T <br /> 12 <br /> 5 <br /> CL <br /> 13- <br /> 14- <br /> 15- <br /> 4 <br /> 31415 4 <br /> 6 Saturated dark gray silty sand <br /> 16 <br /> 8 <br /> 17 10 SM <br /> 18 <br /> Dark gray sandy clay, wet <br /> 19 SC ' <br /> 20 Total depth Water rises when 20 bgs <br /> reached about 1'of water <br /> 21 <br /> every minute <br /> 22- <br /> 23- <br /> 24- <br /> 25- <br /> 26- <br /> 27- <br /> 28- <br /> 29- <br /> 30— <br />