Laserfiche WebLink
s Environmental Risk Servi Corporation <br /> Boring Log: MW-8P, S Date: 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: -7.21, -7.11 TOC: -7.49, -7.29 <br /> Driller: Frank Bartolovich Depth to Water <br /> Drilling Method: 8" hollow stem auger Static: P: 7.05'; S: 7.73' <br /> Grout Materials and Method: Bentonite and Tremie grouted bentonite neat cement slurry Total Well Depth: P: 10'; S: 23.5' <br /> Well Sand Type: 2/12 Monterrey sand P: Lat.: 37.976683 Long.: -121.393963 <br /> Completion: Finished flush in traffic rated Christy box S: Lat.: 37.976689 1 Long.: -121.393962 <br /> Groundwater Sampling Method: No samples Screen Interval: P: 5- 10'' S: 18.5-23.5' <br /> Soil Sampling Method: 2'split spoon (P= push) PVC: SC 40, 2"D, 0.010" slot <br /> �Y Se CO <br /> t > N U) t m Well Well <br /> �= j Q � o CO m� Detail Detail <br /> O <br /> a � m � 02 Material Description MW-8P MW-8S Remarks <br /> Dry, dark blackish brown peat <br /> 1 <br /> 2 PT <br /> 3- <br /> 4— <br /> High <br /> 4High plasticity clay/peat mixture, dark grayish brown <br /> 5 PTS Set peat screen from 5 <br /> CL to 10' bgs <br /> Damp to moist peat, high plasticity <br /> 7- <br /> 8— PT <br /> 9- <br /> 10— <br /> 10 1 <br /> High plasticity with dark brownish gray clay, silty, soft <br /> 11 1 <br /> 1 <br /> 12 1 <br /> CL <br /> 13- <br /> 14- <br /> 15— <br /> 31415 Nx4 <br /> Dark gray clayey silt, damp to dry <br /> 16 8 ML <br /> 17 8 Water rushes in after 17 <br /> 18High permeability zone either SM or SP due to rapid feet <br /> rise in ground water. No spit spoon sample. <br /> 19 Groundwater rising 1' <br /> every 2 minutes <br /> 20 SM! <br /> S <br /> 21 P <br /> 22- <br /> 23- <br /> 24— - <br /> 22324 Total depth <br /> 25 <br /> 26 <br /> 27 <br /> 28 <br /> 29 <br /> 30 <br />