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<br />.. ... ..------..r------..r- ----,,---.......---.---..- "T .. ... 'If' -.... ... .. ....----y- ----.- ---,,-- -.-- --.....--- --,,--------.,-
<br />
<br />-" -------.-- -- --.- --..-
<br />
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<br />
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<br />
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<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 />
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