Ratchaprapa dam. Start construction When completed in September, February 9 2525 2530 (1987) His Majesty, with Suda Rattana Thep South Siam King borom rat young girl has open ratchaprapa dam and hydro power plant. When Wednesday September 30 original 2530 can travel by from phanom, but because such paths are complex contains many such paths Chris need to shut it down by three current car journey through the ban Ta Khun district. Ratchaprapa Dam as water resources development projects in the South, one that gives stability and economic advancement and social development of the nation. It is also the anniversary project merit. Maha in 2530 and the coronation ceremony in the year 2531 ratmangkhla.