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PROJECT EXPERIENCE <br />55"' st Beach Mitigation and Surveys, North Miami Beach Florida <br />lin Hydrographic was contracted to oversee a beach <br />remediation project to remove a layer of upland sand <br />which was found to be contaminated with construction <br />debris including glass and nails. OHS engineers built a <br />portable shaker table using a concrete vibrator and <br />utilized a mini excavator to perform test pits on a grid <br />covering the fill area to quantify the scope of the problem. <br />Each test sample was screened and the quantity and type <br />of construction debris <br />observed was logged. OHS <br />performed pre and post <br />sand removal surveys and <br />sand volume calculations <br />and submitted drawings to <br />the DEP with a proposed <br />cleanup mitigation plan. <br />OHS performed real time <br />stakeout and construction <br />supervision for the <br />mitigation contractor and as half the sand was removed and <br />replaced with new fill and half was sifted in place. OHS performed <br />quality control excavations to verify and document that the debris <br />was no longer present on the beach,. <br />Z Atlantic Ocean <br />I k <br />mom <br />d I <br />• r + <br />r �� ! r S r ,. i S i � a �, r r�{• � r r i i r- <br />1 F <br />I I <br />I i <br />I <br />---- R48 Q <br />1 <br />1 <br />II fK9dn Ct lAtl JMC 110. 1 <br />I <br />I I <br />R47 C I' <br />``'`www.OlinH dro ra hic.com <br />��' Y g p <br />0-� Consulting Engineering, Environmental, and Mapping Services <br />y rograIX- <br />Solutions, Inc. <br />