NCE is responsible for construction supervision of SRT Red Line project (Bangsue-Taling chan), including the total of 8 km elevated railway structure. The structures consist of typical viaduct structure continuous spans built by precast segmental box girders and cast-in-situ balanced cantilever bridges crossing Chao Phraya River and Khlong Bangkok Noi.

NCE is also responsible for construction supervision of SRT Red Line project (Bangsue-Rangsit) including the innovative design of precast portal frame structures in Bangsue Grand Station area. The portal frames were precast segmental hollow box with external prestressing.