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<br />@ City 0/ Littletoll <br /> <br />~~.. <br />lrt~ <br />~~' <br /> <br />Table B-3 <br />Unit Costs <br /> <br /> Item Unit Unit Cost <br />Drainage Improvements <br />Low flow check structures LF S400 <br />Clean out 12 x 8 concrete box culvert and adiacent channel LF S5,OOO <br />Slooina drop structure IH-3,5') Each S25,OOO <br />Sloping drop structure (H 4') Each S30,OOO <br />Sloping draD structure lH 4.5') Each S40,OOO <br />Slooina drOD structure IH-5') Each S50,OOO <br />Sloping drop structure (H=5,5') Each S60,OOO <br />Slaoina droa structure H-6' Each $75,000 <br />Slonina droa structure H=7' Each Sl00,OOO <br />Slaninn drop structure H 8' Each Sl50,OOO <br />Sloping drop structure (H=9') Each S200,OOO <br />.- <br />Repair failed drop structure Each S50,OOO <br />Channel Improvements <br />Bank stabilization LF S50 <br />Reshaoe vertical banks, z_3:1 LF $25 <br />Aeshaoe vertical banks, z_4:1 LF S35 <br />Double stacked grouted boulder wall LF S80 <br />Channel, B 20', z 4:1,5=0.4% LF S95 <br />~roved channel LF S50 <br />Wetlands channel LF S200 <br />Create cul-de-sacs. lower embankment Each $50,000 <br />Culvert Removal and Maintenance <br />Remove 3D-inch CMP LF S25 <br />Remove 36-inch RCP LF S30 <br />Remove 84-inch RCP LF S70 <br />Remove 5.3 x 8 elliptical CM? LF S70 <br />Remove 1 D x 4.3 concrete box culvert LF S300 <br />Remove (2) 54-inch RCP LF S140 <br />Clean out 8 x 6 concrete box culvert and adiacent channel LF S2,OOO <br />Clean out 12 x 8 concrete box culvert and adjacent channel LF S5,OOO <br /> <br />0\. <br /> <br />Massey Dr<"V\I.;lnd ~D (South! Map Dr.;lIn(l9f"'^'''Y Plonnrng Updcte <br />Conceolwl Dfslgn Report <br />Febfu3'f 2006 <br /> <br />Item Unit Unit Cost <br />Pipe Culverts <br />24,inch RCP with FES LF S50 <br />36-inch RCP LF S72 <br />48-inch RCP LF S150 <br />78-inch RCP LF S250 <br />Concrete Box Culverts <br />6 x 8 RCBC LF $550 <br />8 x 4 RCBC LF S875 <br />10x4RCBC LF S700 <br />13x5RCBC LF $1,040 <br />10 x 10 RCBC LF $1,750 <br />(2) 8 x 4 RCBC LF $1,610 <br />(2) 10 x 10 RCBC LF S1,670 <br />(3) 14 x 8 RCBC LF S5,400 <br />Headwall and wingwalls LS S50,OOO <br />Miscellaneous Improvements <br />Grading CY S25 <br />Box base drop manholes Each S12,OOO <br />Raise wall LF S100 <br />Regional detention basin Ac-Ft S35,OOO <br />Detention basin outlet structure Each $5,000 <br />Maintenance access/recreation trail LF $35 <br />Easement Acquisition Acre S65,500 <br /> <br />B-l0 <br />