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May 15, 2017 <br />Page 2 <br />Project Number 19578-17 <br />Laboratory /Field Testino <br />The relative compaction was determined by Sand Cone Method (ASTM: D1556-07) and by <br />the Drive Tube Method (ASTM: D2937-10). The maximum density of the fill soils was <br />obtained by the laboratory standard (ASTM: D1557-12) and results are shown on Table l. <br />Tests were performed a mtnimum of every 500 cubic yards placed and every two feet in <br />depth of fill placed. A summary of the compaction tests are included with locations shown <br />on the accompanying plan. <br />Limitations <br />It should be noted that our work does not warrant or guarantee that the contractor <br />responsible for each phase of the project has performed his work in accordance with the <br />project specifications. <br />We appreciate this opportunity to be of service to you. lf you have any further questions, <br />please do not hesitate to contact the undersigned. <br />Respectfully submi <br />NORCAL ENGINE <br />Laoat erp.rZgltre ) <br />:!r <br />Keith D. Tucker *Michael A. Barone <br />Project ManagerProject Engineer )6 1C <br />y"*/, <br />R.G E. 841 cHrr <br />4:=..t |:r=l-- <br />NorCal Engineering