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UPRR Right of Entry Application CAI File: 21-703.1 <br />Ripon Station Platform February 12, 2021 <br />WORKPLAN/SCOPE OF WORK <br />Crawford & Associates, Inc. (CAI) has been sub -contracted by O'Dell Engineering, to provide <br />geotechnical engineering support services for the San Joaquin Regional Rail Commission. <br />Prior to drilling, an Engineer or geologist will mark the boring locations and call 811 to identify utilities. <br />Twelve (12) geotechnical soil boring will be constructed for subsurface soil exploration. Each drilled <br />boring will be a vertical geotechnical boring, diameter ranges from 4-8 inches. The boring will be <br />advanced using a truck or track mounted drill rig with solid -stem or hollow -stem auger/rotary wash <br />drilling methods. <br />The soils samples will be transported by car and preserved in containers with caps wrapped with tape or <br />Ziploc seal bags. Soil cutting will be haul offsite. <br />At the completion of each exploration, the holes will be backfilled per San Joaquin County well and <br />boring permit and capped with either concrete dyed black (in asphalt areas), or native materials (in <br />unpaved areas). At completion, the work area will be cleaned up and returned to its previous condition. <br />Crawford Tab' <br />Geotechnical Engineering, Design Since 1931 1 <br />and Construction Services <br />