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<br /> <br />Costs to raise a new structure five feet are shown in Table 9-1. This value is shown plotted on <br />Figures 9-6 through 9-9. A comparison of cost and damage reduced shows raising five feet to be <br />economically feasible for all locations in the flood plain, all flood hazard factors, and all type <br />structures. <br /> <br />Advantages and Disadvantages <br />Advantages and disadvantages of elevating new structures on earth fill or columns are <br />presented in Table 9-2 below. <br /> <br />TABLE 9-2 <br /> <br />ADVANTAGES AND DISADVANTAGES OF ELEVATING A NEW STRUCTURE <br /> <br />Advantages <br /> <br />Damage to structure and contents below the <br />elevated elevation is prevented. <br /> <br />Architectural design, and construction tech- <br />niques are well known. <br /> <br />Allows occupancy of flood plain site and use <br />of surrounding infrastructure. <br /> <br />Disadvantages <br /> <br />Flooding of surrounding areas still occurs <br />with possible damage to other facilities and <br />services, and often making emergency access <br />d ifficu It. <br /> <br />References <br /> <br />1. U.S. Department of Housing and Urban Development, "Elevated Residential Structures", <br />Federal Insurance Administration, 1977. <br /> <br />66 <br />