Md Akhtaruzzaman, Additional Chief Engineer-cum Project Director of Dhaka Water Supply Network Improvement Project (DWSNIP) and Kim, Sang-Hun Vice President of DOHWA Engineering sign a contract to develop the feasibility study, required design specification, to prepare draft bid document of Sewerage Treatment Plant (STP) and Sewerage Lines at Rayerbazar catchment area in the city on Wednesday. Chaired by Dhaka WASA Managing Director and CEO Engr. Taqsem A Khan.