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4 ■ <br />government for many years. They resist all kinds of severe weather and are very useful for flood <br />and traffic control. Burlap bags will eventually rot if not covered or protected from the elements. <br />Empty bags can be stockpiled for emergency use, and will be serviceable for several years, if <br />properly stored. <br />■ Woven Polypropylene When treated for UV exposure, commercial plastic (polypropylene) <br />sandbags are available. They provide the strongest material for flood control, levee, trench and <br />berm construction and all temporary or permanent protective barriers. When covered from ultra <br />violet exposure, Polypropylene Sandbags last almost indefinitely with a minimum of care, but are <br />not biodegradable. Thus they have to be disposed of, or will remain around a long time. <br />WHAT SIZE BAGS WORK BEST FOR PRIVATE RESIDENCES AND BUSINESSES? <br />Use bags about 14-18" wide, and 30-36" deep. Sandbags should be filled half full for easy stacking and will <br />weigh approximately 30 pounds. Thirty sandbags are equal to approximately 1/z ton (one ton is 2000 pounds) <br />and is the maximum legal load limit for a 1/2 ton truck. <br />HOW CAN I FIGURE OUT HOW MANY SANDBAGS I NEED? <br />It takes an average of 600 sandbags to cover a 100 foot section, 1-foot high. <br />HOW FULL SHOULD THE BAG BE FILLED? <br />Bags should be filled between one-third (1/3) to one-half (1/2) of their capacity. This keeps the bag from <br />getting too heavy, and permits the bags to be stacked with a good sea]. <br />WHAT MATERIAL SHOULD BE USED TO FILL THE SANDBAGS? <br />A heavy bodied or sandy soil is most desirable for filling sandbags, but any usable material at or near the site <br />has definite advantages. Coarse sand could leak out through the weave in the bag. To prevent this, double bag <br />the material. Gravelly or rocky soils are generally poor choices because of their permeability. Filled bags of <br />earth material will deteriorate quickly. <br />HOW MANY PEOPLE DOES IT TAKE TO FILL SANDBAGS? <br />Sandbag barriers can easily be constructed by two people, as most individuals have the physical capability to <br />carry or drag a sandbag weighing approximately 30 pounds. <br />WHAT IS THE BEST METHOD TO USE TO FILL SANDBAGS? <br />