# Analysis of BIM-Based Quantity Take-Off in Simplification of the Length of Processed Rebar
## 5 Conclusions
\begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline  & \multicolumn{1}{c}{\multirow{2}{*}{**Building No.**}} & \multicolumn{1}{c}{\multirow{2}{*}{**Unrefined**}} & \multicolumn{3}{c}{**Case A**} & \multicolumn{3}{c}{**Case B**} & \multicolumn{3}{c}{**Case C**} \\ \cline{3-10}  & & & **Val.** & **Diff.** & **Val.** & **Diff.** & **Val.** & **Diff.** \\ \hline \multirow{4}{*}{Project A} & Apartment & 101 & 67.97 & 68.47 & +0.74\% & 69.18 & +1.05\% & 70.23 & +3.33\% \\  & Apartment & 102 & 70.35 & 70.79 & +0.63\% & 71.43 & +0.90\% & 72.62 & +3.22\% \\ \cline{2-10}  & Security Office & 0.556 & 0.559 & +0.54\% & 0.565 & +1.00\% & 0.574 & +3.12\% \\ \cline{2-10}  & Neighborhood & \#1 & 25.14 & 25.23 & +0.37\% & 25.39 & +0.63\% & 25.63 & +1.96\% \\  & Living & \#2 & 2.53 & 2.54 & +0.40\% & 2.57 & +1.08\% & 2.59 & +2.50\% \\  & Facilities & \#3 & 1.89 & 1.89 & +0.46\% & 1.91 & +0.86\% & 1.93 & +2.56\% \\ \cline{2-10}  & Underground Parking Lot & 44.45 & 44.63 & +0.41\% & 44.90 & +0.59\% & 45.30 & +1.93\% \\ \hline \multirow{4}{*}{Project B} & Apartment \& 101 & 14.00 & 14.13 & +0.93\% & 14.30 & +1.22\% & 14.63 & +4.46\% \\  & Office & 102 & 13.99 & 14.12 & +0.93\% & 14.29 & +1.22\% & 14.61 & +4.49\% \\ \cline{2-10}  & Underground Parking Lot & 239.96 & 241.16 & +0.50\% & 243.21 & +0.85\% & 246.00 & +2.52\% \\ \hline \multirow{4}{*}{Project C} & \multirow{4}{*}{Apartment} & 101 & 52.83 & 53.16 & +0.62\% & 53.87 & +1.40\% & 54.94 & +3.99\% \\  & & 102 & 51.43 & 51.75 & +0.63\% & 52.49 & +1.45\% & 53.56 & +4.14\% \\  & & 103 & 45.25 & 45.49 & +0.54\% & 46.01 & +1.20\% & 46.85 & +3.54\% \\  & & 104 & 52.19 & 52.62 & +0.83\% & 53.38 & +1.51\% & 54.46 & +4.35\% \\  & & 105 & 25.81 & 25.96 & +0.61\% & 26.29 & +1.32\% & 26.83 & +3.98\% \\ \cline{2-10}  & Security Office & 0.953 & 0.958 & +0.46\% & 0.965 & +0.76\% & 0.981 & +2.93\% \\ \cline{2-10}  & Underground Parking Lot & 590.33 & 593.55 & +0.54\% & 598.53 & +0.84\% & 605.38 & +2.55\% \\ \hline \multirow{4}{*}{Project G} & \multirow{4}{*}{Apartment} & 101 & 14.43 & 14.56 & +0.87\% & 14.77 & +1.46\% & 15.18 & +5.20\% \\  & & 102 & 22.45 & 22.65 & +0.89\% & 22.97 & +1.46\% & 23.44 & +4.41\% \\ \cline{1-1}  & & 103 & 22.48 & 22.66 & +0.80\% & 22.96 & +1.37\% & 23.57 & +4.85\% \\ \cline{1-1}  & & 104 & 35.73 & 35.99 & +0.71\% & 36.30 & +0.87\% & 37.08 & +3.76\% \\ \cline{1-1}  & & 105 & 56.66 & 57.03 & +0.66\% & 57.67 & +1.16\% & 58.74 & +3.68\% \\ \cline{1-1}  & & 106 & 62.53 & 62.85 & +0.52\% & 63.37 & +0.82\% & 64.34 & +2.90\% \\ \cline{1-1} \cline{2-10}  & Security Office & 0.461 & 0.462 & +0.38\% & 0.465 & +0.54\% & 0.471 & +2.28\% \\ \cline{1-1} \cline{2-10}  & Underground Parking Lot & 336.60 & 337.92 & +0.39\% & 340.29 & +0.70\% & 343.83 & +2.15\% \\ \hline \multirow{4}{*}{Project H} & Mixed-use & 1 BL & 795.51 & 801.30 & +0.73\% & 814.05 & +1.59\% & 831.83 & +4.57\% \\ \cline{1-1}  & Apartment & 2 BL & 788.74 & 794.58 & +0.74\% & 808.16 & +1.71\% & 826.47 & +4.78\% \\ \hline \hline \end{tabular}
\end{table} 
Table 6: Amounts of Rebar Materials for Beam Members and Differentials by Cases.