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DocuSign Envelope ID: 505AD303- 2BD7- 47C5- A103- 8219E0353948 <br />'J <br />McADAMS <br />Mr. Christopher Sandt, PE <br />Orange County Planning and Inspections Department <br />May 15, 2018 <br />Page 2 of 3 <br />of our proposed boring location. <br />• Soil test borings will be performed in general accordance with ASTM D1586 <br />"Penetration Test and Split Spoon Sampling of Soils ". Borings will be <br />advanced to a depth of approximately 5 feet beneath proposed pipe invert <br />elevation, including rock coring if necessary. If extensive rock coring is <br />necessary, the borings may be terminated at or slightly above the invert <br />elevation. The water table will be measured in the boreholes following <br />completion of drilling in all borings, and again after approximately 24 -hours <br />or more in select borings. Borings in close proximity to existing roadways will <br />be backfilled immediately due to safety considerations. Following completion <br />of all borehole readings, boreholes will be backfilled with soil cuttings, and <br />excess cuttings will be evenly dispersed around the ground surface <br />surrounding the borehole or in nearby landscape /wooded areas. Our drilling <br />activities will cause some disturbance to the existing ground surface and <br />vegetation, including tire ruts. No site restoration efforts aside from <br />backfilling the boreholes are included in this cost estimate. <br />• Soil samples obtained during drilling will be visually - manually classified in <br />general accordance with Unified Soil Classification System (USCS) by a <br />Falcon geotechnical professional, collected in moisture proof containers and <br />transported to our laboratory where they will be selected for laboratory <br />testing. The laboratory test program will consist of three (3) Atterberg limits, <br />grain size analysis, and natural moisture content tests on soil samples, and <br />three (3) unconfined compressive strength tests on rock core samples. <br />• Upon completion of additional field investigation and laboratory testing <br />Falcon will revise the previously issued report to include the new data, and <br />revised discussions /recommendations based on the planned alternative tunnel <br />route. <br />FEE: $18,550 <br />FEE BREAKDOWN <br />Task <br />Lump Sum Fee <br />3 Borings at New Tunnel Location <br />$18,550 <br />Total <br />$18,550 <br />ORA -17000 <br />