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of course, depend on site conditions. Continued observations will be made of this area <br />for problems or necessary maintenance. On slopes where no swale or defined channel <br />exists, regrading, or disking, or chisel plowing will be performed, depending on the <br />extent of the erosion. Reseeding will then take place. <br />In addition to the above, contour furrows in and above the erosion area may be <br />constructed to trap and slow down the runoff. Straw dikes can also be used where <br />appropriate to control runoff and promote revegetation. <br />If corrective measures described above fail, WFC proposes to observe and reevaluate <br />the situation. A combination of the first two methods described or some variation therein <br />will be applied. These activities can include, but are not limited to, rock channels, contour <br />furrows or laterals with rock or matting bottoms, V ditches made with the dozer or motor <br />grader, and subsequent revegetation. <br />Head cutting in channels will be controlled by a number of methods. If the area is at a <br />point that concentrates runoff, the area will be improved to accept this runoff. This would <br />include reshaping the channel and channel bottom, covering with erosion matting, <br />seeding, or rocking. Inlet channel erosion will be controlled down to the average water <br />level of the ponds. Remedial action on pond slopes will extend as far down the slopes <br />as equipment access allows, which at a minimum will be below the level of the principal <br />spillway of each pond. <br />In other areas, depending on the extent of erosion and time of year, the area will be <br />regraded, disked, and seeded as needed. Straw bales, erosion matting, or rock fill may <br />also be used to stabilize the area. <br />5.1 Design Methodology <br />Arcadis report in Appendix 2.05.3(4) -1 includes the methodology used for the initial pond <br />designs. Pond NHN -002 has been redesigned, with all of the details to be found in <br />Appendix 2.05.3(4) -8. <br />6. Special Features <br />6.1 Temporary Relocation for CC Company Second Park Lateral Ditch <br />The Colorado Cooperative Company has operated an irrigation ditch known as the <br />Second Park Lateral Ditch to irrigate lands in the area for many decades. With the <br />mining of the Garvey property, this ditch will need to be diverted. Since the temporary <br />diversion route involves rises and dips, a pipeline must be used. The plans enclosed in <br />this document show the detailed design of the pipeline's temporary route and the <br />permanent relocation. <br />Section 2.05.3(4) Page 6 September 2014 (TR -06) <br />