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<br />Prevents or restricts development in defined <br />flood plains, provided a stable flood plaln can <br />be defined. <br />Can be used to restrict density and/or requlre <br />elevation on piles within flood prone areas. <br />Does not eliminate flood hazards, but can be <br />used to minimiz~ amount of property at risk. <br />Most effective when used in combination with <br />other tools. <br /> <br />Public Acceptance <br />Poor, due to development pressur~s on many fans <br />in the southwest. <br /> <br />Direct costs ar~ minimal, but opportunity costs <br /> <br /> <br />to developers and loss of ta~ base to <br /> <br /> <br />communities can be substantial. <br /> <br />Required Maintenance <br />Maintenance of reserved areas to minimize flood <br />flow disruption. <br /> <br />6.4 Recommended Aoolications for Manaqement Tools <br /> <br />Sel~ction of the appropriate tool for application to a <br />particular fan depends on four major factors: types of <br />hazards present, the hydraulic zones where development is <br />I <br />expected to occur, the existing development density, and <br />projected future development densities. Section 6.3 has <br />discussed tool effectiveness agalnst hazards. Figure 6.4 <br />summarizes the recommendations regarding specific management <br />tools to be used under combina:ions of the other three <br />factors. These recommendations consider the types of <br />hazards encountered in different fan zones, the effect of <br />development on the severity of these hazards, the impact of <br />existing development on the feasibility of implementing each <br /> <br />86 <br />