Concrete: (5 points) Estimate the cost of Concrete (labor and material) for the wall. The activity is constructed by direct shut with a crew (see below) that has a productivity of 90 CY/day. The Cost of a CY of Concrete is $87/CY. Crew & equipment Work task Productivity Unit of (normal 8-1 measure day) Wall construction 90 direct chute Unit cost Crew Cost Cost per Efficiency per day CY Factor 8hrs $22.50 Cost Wall Concrete Labor Cost 1 Labor foreman 4 1 Laborer Cement mason Vibrators $12.10 $17.00 $5.24 2 0.75 Length Height Thickness CY Tot $ Concrete Material Labor $/CY $ 87.00 Summary Reinforcing Bars Formwork Concrete Material $ $ Labor $ $ $ Total Bare Cost $ $ $ $ $