Than Kiri Dam to Dam 33 meters high blocking Huai Saphan Hin. Ban Huay stone bridge over 30kms Water retention averaged 76 million cubic meters. Diversion through the tunnel to the southeast into the Huai Thap city. River, a branch of Chanthaburi The diversion of water caused the difference between water level and water in the Huai basin army city 125 meters can be installed hydropower generator can power 12,200 kW per year is 27 million kilowatts. Water used to produce electricity then. It flows into the river, Chanthaburi Which can be used in agriculture. Water supply and protection of marine Chanthaburi next.