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<br />--.------~ <br /> <br />"T <br /> <br />.. ... ..------..r------..r- ----,,---.......---.---..- "T .. ... 'If' -.... ... .. ....----y- ----.- ---,,-- -.-- --.....--- --,,--------.,- <br /> <br />-" -------.-- -- --.- --..- <br /> <br />~ <br /> <br />.. <br /> <br />... <br /> <br />... <br /> <br />.. <br /> <br />SUM MAR Y <br />TABLE 2A <br />STATE OF COLORADO <br />STREAMBANK EROSION STUDY <br />COST ESTIMATE - COMPARISON OF BENEFITS AND COST <Do II ilrs) (1) <br /> <br />Study Area <br /> <br />Struc tural <br />Measures <br />Rock Riprap <br />(2) <br /> <br />Construction <br />Cost <br /> <br />1-----------------------------------------------------______________________________________________________----------------------------------------------1 <br /> <br />En9ineering <br /> <br />Project <br />Adllinistra.tion <br /> <br />land <br />Rights <br /> <br />Toh.1 <br />Installation <br /> <br />o & M <br /> <br />Average <br />Annual <br />Cost <br /> <br />Toh.1 <br />Aven.ge Annual <br />Cost with O&M <br />(4) <br /> <br />Averilge <br />Annual <br />Benef i ts <br />(5) <br /> <br />Cy <br /> <br />$ <br /> <br />:---------------------------------------------------------------------------------------------------------------------------------------: <br /> <br />$ <br /> <br />(3) <br /> <br />$ <br /> <br />$ <br /> <br />$ <br /> <br />(V() <br /> <br />---------------------------------------------------------------- ------------------------------------------------------------ <br /> <br />$ <br /> <br />$ <br /> <br />Currant Creek <br /> <br />14,600 <br /> <br />854,100 <br /> <br />Dolores River <br /> <br />59,580 <br /> <br />3,48'5,430 <br /> <br />Elk River <br /> <br />14,600 <br /> <br />854,100 <br /> <br />Kerbe-r Creek <br /> <br />63,200 <br /> <br />3,697,200 <br /> <br />Lake Fork <br /> <br />44,200 <br /> <br />2,585,700 <br /> <br />l i tt I, Thoapson <br />River <br /> <br />96,540 <br /> <br />5,647,590 <br /> <br />.... <br />..... <br /> <br />I Lower Fountain <br />Creek <br /> <br />5,440 <br /> <br />318,240 <br /> <br />North Fork <br />Gunnison <br /> <br />14,200 <br /> <br />830,700 <br /> <br />UncoMpahgre <br />River <br /> <br />20,200 <br /> <br />1,181,700 <br /> <br />White Rivtr <br /> <br />22,200 <br /> <br />1,298,700 <br /> <br />,---------------------------------------------------------------------------------------------------------------------------------------------------------, <br /> <br />7,670 <br /> <br />$ <br /> <br />119,574 <br /> <br />145,197 <br /> <br />1,118,871 <br /> <br />17,100 98,068 <br />69,700 400,201 <br /> <br />17,000 89,069 <br /> <br />73,980 424,518 <br /> <br />51,700 296,900 <br /> <br />112,900 648,500 <br /> <br />6,400 <br /> <br />36,541 <br /> <br />$ <br /> <br />---------------------------. <br /> <br />o <br /> <br />115,168 <br />471,776 <br />115,069 <br /> <br />498,498 <br /> <br />348,600 <br /> <br />761,400 <br /> <br />44,941 <br /> <br />111,994 <br /> <br />163,585 <br /> <br />140,119 <br /> <br />16,800 <br /> <br />o <br /> <br />o <br /> <br />280 <br /> <br />o <br /> <br />1,200 <br /> <br />5,375 <br /> <br />5,267 <br /> <br />: Total 354,760 20,753,460 2,905,500 3,528,100 0 27,187,100: 415,100 : <br />1---------------------------------------------------------------------------------------------------------------------------------------------------------: <br /> <br />o <br /> <br />487,960 <br />119,574 <br /> <br />592,523 <br />145,197 <br /> <br />o <br /> <br />4,565,913 <br /> <br />16,614 95,382 <br /> <br />23,700 139,885 <br /> <br />26,000 114,119 <br /> <br />(1) Price Bas': Septe.ber 1987 aMortized at 8 5/8 X for 50 years <br />(2) Rock riprap instal led (with base) 2: cy per foot bank at .50 per cy = $100 per 'oot with a life expectancy of 50 years <br />(3) Corps of En9ineer~ 404 permit to work in river <br />(4) Includes cost for structural .,asures to protect riparian habitat and 2X O&M <br />(5) Benefits 'or riparian habitat prote-ction were not analyz.d <br /> <br />o <br /> <br />1,118,871 <br /> <br />516,608 <br /> <br />628,524 <br /> <br />o <br /> <br />4,834,332 <br /> <br />361,998 <br /> <br />439,569 <br /> <br />o <br /> <br />3,387,267 <br /> <br />790,66Z <br /> <br />960,090 <br /> <br />o <br /> <br />7,398,343 <br /> <br />44,553 <br /> <br />o <br /> <br />416,894 <br /> <br />54,101 <br /> <br />116,Z98 <br /> <br />o <br /> <br />1,089,ZI7 <br /> <br />141,219 <br /> <br />165,438 <br /> <br />o <br /> <br />1,548,OZ7 <br /> <br />ZOO, 889 <br /> <br />181,818 <br /> <br />o <br /> <br />1,701,Z97 <br /> <br />220,779 <br />