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�±���r��� <br />E V�9 VEE g�1� <br />TESTING, �[V�� <br />PROJECT: <br />e �r r,�rac9�r� <br />RECEIVED <br />DEC � '� 2004 <br />Job Func Cost <br />: � �7 :� �� : : _r � ��7\ �1/ ��7\ � � r�7 :� �\ �� <br />CONSULTANTS <br />. GEOTECHNICAL <br />� MATEFIIALS <br />• ENVIRANM�N�AL <br />REPORTED TO: <br />SHAFERPIT SHAFER CONTRACTING, 1NC. <br />12500 RICH VALLEY BOULEVARD P.O. BOX 128 <br />ROSEMOUNT. MINNESOTA SHAFER, MN 55074 <br />ATTN: SCOTT SPISAK <br />A��` JOB. NO. 20-04834 DATE: DECEMBER IS, 2004 <br />INTRODUCTION <br />This report presents the results of the vibration monitoring services we recently performed at the <br />referenced site in Rosemount, Minnesota. The scope of our wark included the following: <br />Perform vibration monitoring at select distances from the primary and secondary rock <br />crushing activities. <br />Summarize the results of our services in a written report. <br />Our work on this project was authorized by Mr. Scott Spisalc of Shafer Contracting Co., Inc., <br />(Shafer), on November 30, 2004. <br />BACKGROUND INFORMATION <br />The Shafer pit is located at 12500 Rich Valley Boulevard in Rosemount, Minnesota. Current <br />activities within the gravel pit include recycling of concrete and other construction related <br />materials. This recycling is completed by routing the material through a primary rock crusher and <br />a secondary rock crusher. Shafer indicated that future recycling projects using this method may <br />fhs dCCUrrNnlsh�ll na' br rt�dOUrad. �,tap• n �J �,�,i}wr.l �wtten epp�eaal dF�merr.au Engir�yri��g T�sb�j� Inc <br />�5� Cl�ti+ele�'�d �Rw+6mae NBrlh . $k. Pad, NN +J61 i� . �is1.��•�� - Fae �'1 ��-t�7� <br />Dulut� . Mankato . hA�r5hall.Rochester . Wausau .Rapid City . Pierre .Sioux Falls <br />AN AFFIRMATI VE ACT[ON AND EdUAL OPPt]R7UNITY EMPLOYER <br />