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July 10, 2012 <br />3 <br />2.0 Critical Construction Periods <br />2.1 Removal of All Organic Material and Topsoil <br />Topsoil and organic material removal activities were not conducted during the quarter. <br />2.2 Placement of Underdrainage Systems <br />The underdrainge system was completed in the first quarter of 2010; additional work on this system is <br />not anticipated. During the time of the inspection, there was no water flow from the underdrainage <br />system. <br />2.3 Installation of Surface Drainage Systems <br />Both the north and south surface drains were inspected (photographs 2 and 3). To minimize erosion <br />and improve the drainage system, a trackhoe with a rock breaker attachment was rented in late May <br />and early June and used to break the oversized rock in both the north and south drains of the fill. After <br />breaking the rocks the drains were reshaped into their original drainage profiles. At the time of <br />inspection there were no signs of water flow in either of these drainages. <br />Photograph 2: North Surface Drain Looking Northeast (6129112) <br />