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Task 015 – Stream Channel Erosion Protection $57,580.00 <br /> <br /> <br />Riprap protection for channel R-2, R-5, R-6 and R-8 require 650 cu. yrd of riprap for slope protection (from RS Means <br />Building Construction Cost Data, 2018 Edition; Section 31 37 13.10 0200) has a cost of $76.30/cubic yard. <br /> <br />(650 cu. yd.) x ($76.30/cu.yd.) = $49,595.00 <br /> <br />Erosion blanket protection for channels R-1, R-3, R-4, R-7 and R-12 requires 1912 sq. yd. of blanket. The cost of the <br />blanket including installation is $1.41/sq. yd. (from RS Means Construction Cost Data, 2018 Edition; Section 31 25 14.16 <br />0020). <br /> <br />(1,912 s q. yd.) x ($1.41/sq. yd.) = $2,695.92 <br /> <br />Total erosion control = ($49,595.00) + ($2,695.92) = $52,290.92 <br /> <br />Using 1 Cat 324D L Excavator for 40 hours (1 week); $124.56 x 40hrs = $4,982.40 <br /> <br />Stream Channel Erosion Protection – Total Cost <br /> <br />($52,290.92) + ($4,982.40) = $57,273.32 <br /> <br />