Riverbanks Protection Works in Nam Khan River The work was located in Louangphrabang, which is a famous tourism city in Laos. Main works include:protection of riverbanks with 6-17m height gabions;construction outfalls in the riverbank protection systems;construction of retaining walls and DBST roads on the riverbanks of R15 road;Construction of ancillary facilities like: side walk, and traffic signs etc.