The Asian Development Bank is helping Viet Nam transform three towns along cross border corridor routes in the Greater Mekong Subregion into economic hubs. In this context, the Government of the Socialist Republic of Vietnam has received financing from ADB toward the cost of the "Second Greater Mekong Subregion (GMS) Corridor Towns Development Project".

Part of this financing will be used for payments under the contract for "Construction of the Eastern Ka Long river wastewater and stormwater improvements". Bidding is open to bidders from eligible source countries of ADB. 

The scope of works includes: