|
<br />SUMMARY
<br />TAllLE 2B
<br />STATE OF COLORADO
<br />STREAMBANK EROSION STUDY
<br />COST ESTIMATE - COMPARISON OF BENEFITS AND COST (D.llar51 (I)
<br />
<br />,-----------------------------------------------------------------~--------------------------------------------------------------------------------------1
<br />
<br /> Structural Construction Engineering Projnt land Total 0&1'1 Average Total AVl!'ragl!'
<br /> Measure... Cost AdlRinistn.tion Ri ghts Installation (IX) Annual AVI!'riL91!' Annual Annual
<br /> Study Area Anchored Trees Cost cost wi th 0&" 8end i ts
<br /> (2) (3) (4) (5)
<br /> .------ --------------------------------------------------------------------------------------------------------------------------------1
<br /> : Ft I s : s . s s s s s s s
<br /> .
<br /> --------------------------------------------------------------~---------------------------------------------------------------------------~-------------, .
<br /> Curra.nt Creek 7,300 170,82:0 23,915 29,039 0 22:3,774 1,700 27,150 28,850 0
<br /> Dolores River 29,790 697,086 97,592. 118,505 0 913,183 7,000 110,976 117,796 16,800
<br /> Elk River 7,300 170,820 2.3,915 29,039 0 2.23,774 1,600 27,151 Zll,751 0
<br /> Kerber Creek 31,600 739,440 103,521 125,705 0 968,666 7,300 117,526 124,B26 0
<br /> La.ke Fork 22,100 517,140 72.,399 87,913 0 6n,453 5,200 82:,200 87,400 0
<br /> Li tt I e Tholllpson
<br /> River 48,2.70 1,129,518 158,13Z 192,018 0 1,479,668 11,300 180,000 191,400 0
<br />.... lower Fountain
<br />lD Creek 2,720 63,648 8,910 10,8Z1 0 83,379 600 10,116 10,716 1,2.00
<br /> North Fork
<br /> 6unni'ion 7,100 166,140 Z3,Z60 28,244 0 217,643 1,700 Z9,382 31,230 5,375
<br /> Unco.pahgrl!
<br /> River 10,100 236,340 33.088 40,178 0 309 ,605 2,500 37,566 40,065 5,Z67
<br /> Nhite River 11,100 259,740 36,364 44,156 0 340,260 2,600 41,Z83 43,893 7,670
<br />
<br />,--------------------------------------------------------------------------------------------------------------------------------------------------------,
<br />
<br />Total 171,380 4,150,692 581,091 705,618 0 5,437,407 41,500 :
<br />1------------------------------------------------------------------------------------------------________________________________________~_______________:
<br />
<br />(1) Price Base= Septe_ber 1987 il.ortized ilt 8 5/8 X for 50 years
<br />(2) Anchored trel!s installed at $20 per foot of bank protected with a life expectancy of 15 years
<br />(3) Corps of Engineers 404 per.it to work in river
<br />(4) Includes cost for structural .easures to protect riparian habitat and IX O&M
<br />(5) Benef i ts .for r Ipar i an hab i tat protecti on were not analyzed
<br />
|