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Construction of Mangesti Rahayu Hospital located on Jl. Adi Sumarmo, Colomadu, Karanganyar. Pthere is a construction process, the use of materials by construction workers in the field can cause residual material. The remaining material is not from the point of view of efficiency, but also affects the environment, so efforts to minimize the remaining material are important to be applied by construction actors. Bar Bending Schedule method is a method used in the analysis of iron calculations to optimize the use of iron materials. The results of the analysis used the Bar Bending Schedule method of Foundation Work type FP 1 BJTD D13 weighing 1,712.47 kg, BJTD D16 weighing 3,030.41 kg. Foundation type FP 2 BJTD D13 weighing 513.72 kg, BJTD D16 weighing 1,000.03 kg, BJTP D10 weighing 92.34 kg. Column work type K1 BJTD D16 weighing 9,302.2 kg and BJTP D10 weighing 5,307.52 kg. Type K1' is BJTD D16 weighing 2,708.08 kg and BJTP D10 weighing 1,058.1 kg. Type K2 BJTD D16 weighs 5,355.76 kg and BJTP D10 weighs 3,007.26 kg. Type K3 BJTD D16 weighs 101.48 kg and BJTP D10 weighs 40.84 kg. Type K3' BJTD D16 weighs 173.34 kg and BJTP D10 weighs 92.78 kg. The KL Edge BJTD D16 weighs 1,598.94 kg and the BJTP D10 weighs 799.21 kg. The Central KL BJTD D16 weighs 999,342 kg and the BJTP D10 weighs 456,693 kg. Type KP BJTP D10 weighs 5,158 kg and BJTP D8 weighs 3,010 kg. Persentase of the remaining reinforcing iron material by 0.65%
Abadi et al. (Sun,) studied this question.