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<br />1. Use a lot of material: <br /> <br /> <br /> <br />2. Or anchor and reinforce it: <br /> <br /> <br /> <br /> <br />o <br /> <br />Sheet <br />Pi 1 e <br />Core <br /> <br />Dirt <br />Reinforced <br /> <br />Dirt <br />F i 11 ed <br /> <br />Temporary floodwalls can be built with sand bags and plastic sheeting. <br />However, these will deteriorate in a few years and will not be visually <br />pleasing. For more information see section I.G. <br /> <br />Drainage Problems: On smaller lots a levee or floodwall could affect <br />local dralnage. It is illegal to block the natural drainage off a <br />neighbor's property. A levee or floodwall could also be an encroachment <br />that could divert a flood or increase flood heights. These factors need <br />to be closely checked with the local building or zoning department. <br /> <br />Because a levee or floodwall keeps water away from your property, it <br />could also keep rainwater on your propert~Some methods of internal <br />drainage should be provide~to handle runoff and any seepage. Water <br />should be guided through gutters, trenches, filter drains (trenches <br />filled with permeable gravel) or tiles to one or two low points (sumps). <br />From the low point water coul d dra in under the 1 evee through a til e or <br />be pumped over. <br /> <br />If a tile is used, remember to plug it up during a flood or install a <br />backup valve (see I.F., Sewer Backup, below). Also remember that a <br />tile will not help you drain the area of seepage water during a flood <br />while a pump will. <br /> <br />5 <br />