Reference is made to Agreement No. CTLGMS-BR4/ENG date January 7, 2010 between the Client (Department of Highways, Ministry of Transport. The Kingdom of Thailand / Department of Aid to Foreign Countries, Ministry of Commerce, People's Republic of China / Department of Roads, Ministry and Public Works and Transport, Lao People's Democratic Republic and the Consultant (Asian Engineering Consultants Corp., Ltd. / Xi'an Fangzhou Engineering Consulting CO., Ltd. / Lao Transport Engineering Consultant)