Italian-Thai Development PLC. choosing the suitable machineries for special foundation works for “ONE Bangkok”, A Thailand’s largest private sector property development initiative ever taken and one of the top 10 tallest buildings in ASEAN. For this project, it has several levels below the ground that required over 2 million cubic meter of soil excavation to reach the depth of 22-meter.Utilizing special machinery like Volvo excavator EC300DL with telescopic dipper arm has undoubtedly improved work performance.