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<br />2i <br /> <br /> :abl e 11-8 <br /> Annual <br /> Annual Dancages <br /> Alternative Dan~J;lE'~ IJrevented <br /> - ---~-------_.--- <br /> No Change SOO,OOO 0 <br /> 2 - yea r 420,000 8C,000 <br /> 10-year 130,000 370,000 <br /> 100-year 100,000 400,000 <br />These benef it s should now be compared with the costs of the <br /> <br />projects to find the economic optimum design frequency, considering <br /> <br />only the maximization of net benefits, In~ormation for this is <br /> <br />tabulated below, <br /> <br /> Tabl e 11-9 <br /> Annual Annua 1 Annual <br />Design Cost Benefits Net Benefits <br /> -----"-~_. ~------~---- <br />No Change 0 0 0 <br />2 - yea r SO,OOO 8CJ,OOO 30,000 <br />10-year 240,000 370,000 130,000 <br />100-year 300,000 400,000 100,000 <br /> <br />The graph below shows maximum net benefits occurring at a design <br /> <br />frequency near to ten-years, <br />