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<br />problems <br /> <br />should <br /> <br />be <br /> <br />eliminated <br /> <br />from <br /> <br />consideration. <br /> <br />7. The final selection Qi manaqement measures, if <br />more than one candidate remains, will be <br />dependent on community needs and the ability of <br />the various interest groups to pay the costs. <br /> <br />6.3 Effectiveness Qi Manaqement Tools <br /> <br />Experience with management tools in past floods (e.g., Palm <br />Desert, Rancho Mirage, Bullhead City) provides some <br />indication of effectiveness. Public reaction to flood <br />management plans in some areas (e.g., Albuquerque, Palm <br />Desert, Los Angeles) indicates probable public response to <br />impl~m.ntation of such plans. However. the rather short <br />histo~y and limited scope of flood management activities on <br />fans provides only limited experience. Evaluation of tools <br /> <br />must also be based <br />during this study. <br /> <br />on the physical model <br /> <br />tests performed <br /> <br />figure 6.2 summarizes the relative susceptibility of each <br />management tool to each hazard type found on fans. Where <br />susceptibility is severe, failure of the tool is probable <br />unless adequate protective measures are implemented. <br />Susceptibility can be used as an indication of maintenance <br />requirements as well as design standards for management <br />tools. Where extreme damage to a measure is indicated. <br />e.g., local dikes installed near the fan apex, such <br />applications should be avoided. <br /> <br />The effectivenes of individual management tools in reducing <br />specific hazards is summarized in figure 6.3. Each tool is <br />assumed to be adequately maintained and fully protected <br />against the hazards. Individual measure effectiveness and <br /> <br />74 <br />