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<br />Streal.l Bank Erosion Contr"l With Jacks <br /> <br />Jacks can be used to stabllize most eroding banks. Jacks are especially use.. <br />ful in stream. which have wide sections due to stream bank meandering. The <br />jacks can be located to a~low eroded areas to silt in behind the row of <br />jacks. On smaller stream:. and stream. with fairly low flow velo.:itie., a <br />.ingle row of jacks is al~ that would be required. The jacks can be fabrica- <br />ted from wood, concrete 01: metal. Individual jack. are fabricated by tying <br />three posts or beams in a cross shape with wire. The jacks are placed along <br />the toe of the bank. Rocl: is placed on and around the base of w.,od jacks to <br />keep them from floating. The jacks are anchored to the bank with cable and <br />deadman anchors. VegetatJ.on should be established in the area behind the <br />jacks. <br /> <br />I <br />~ <br /> <br />. <br /> <br />~ <br /> <br />1 <br /> <br />'iaintenance requirement. for this practice include inspecting the jacks and <br />repairing any loose or brc.ken wires. Any movement of the jacks or rock should <br />be corrected by returning it to its original location. Any scour holes or <br />other erosion which has oc.curred behind the jacks should be reshaped and <br />revege ta ted. <br /> <br />. <br /> <br />~ <br /> <br />4 <br /> <br />~ <br /> <br />~ <br />j <br /> <br />. <br /> <br />A <br /> <br />~ <br /> <br />. <br /> <br />A <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />~ <br /> <br />~ <br /> <br />. <br /> <br /><I <br /> <br />~ <br /> <br />4 <br /> <br />~ <br />~ <br /> <br />48 <br /> <br />1 <br /><I <br />