With significant increases of railway infrastructure construction projects in Thailand during the past decade, the contractor must produce a large number of reinforcement shop drawings for approval on a time constraint. NCE was involved with the leading construction companies for producing the reinforcement shop drawing of superstructures and substructures in many construction projects e.g. MRT Blue Line Extension project (Tao Poon – Tha Phra), SRT Red Line project (Bangsue-Rangsit), MRT Orange Line project (Bangkapi – Minburi), Track Double project (Lop Buri – Pak Nampho) and MRT Purple Line project (Tao Pun – Rat Burana). With 3^rd party software and engineering experience, detailing and bar listing is carried out, which greatly improves drawing productivity and quality control within a construction schedule.