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<br />FLOOD FIGHTING METHODS 2003 <br /> <br />6.3A <br />Page 50 <br /> <br />Mud Boxes <br /> <br />With this method, two parallel wooden walls are placed <br />and supported near the waterward levee shoulder and <br />filled with available material (see Figure 16). Spacing of <br />the walls will vary with height but should be proportional to <br />a box 3 feet high and 30 inches wide. <br /> <br />Mud boxes may be used when the available fill material is <br />too wet for a sandbag sack topping, providing the boxes <br />are lined with canvas, visquine, or burlap. If visquine is <br />used, punch pencil-size holes in the bottom of the visquine <br />to allow water to seep out. Close the open ends of the <br />mud box with sandbags and tie into high ground. <br /> <br />NOTE <br /> <br />Mud boxes can also be used to divert mud flows from <br />structures. If it is used for this purpose, plywood should be <br />nailed to the face of the mud box, thereby creating a <br />smooth surface. <br /> <br />(See Figure 16 on next page) <br /> <br />21 <br />