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Polygon Northwest <br />January 13, 2016 <br />ES-3588.01 <br />Page 2 <br />Our representative observed the contractor prepare the driveway far pervious pavement <br />according to the specification in the designed plans. in accordance with the designed plans, <br />our representative conducted the bucket test on the perviaus pavement and observed it to <br />drain as intended. <br />Based on our observations and testing, the earthwork construction was accomplished in <br />accordance with the project plans and our geotechnical recommendations. <br />We trust this letter meets your current ne�eds. If you have any questions, please call. <br />Sincerely, <br />EARTH SOLUTIONS NW, LLC <br />� <br />Shannon E. Petrisor <br />Assistant Field Manager <br />cc: Polygon Northwest <br />Attention: Mr. Ron Bowen (Email only) <br />4 ;� � F��-�� <br />;k-�, f <br />�� ��, �:�� � <br />�fi���� t�., °�"✓ 4 :. -�—; �, <br />t= � <br />� P b6;$ ! i <br />�t �' `�°y� � 1` Y <br />r �,i"it � �,r»,��i <br />, .. 5 �-�. <br />Kyle R. Campbell, P.E. <br />Principal <br />Earth Solutions NW, LLC <br />I�I <br />