Longtan project is the "dragon head" power station. Its main purpose is power generation with consideration of flood control and navigation. It has immense profit in unified utilization and comprohensive economy. The initial installed capacity is 4 200MW, and finally will be raised to 5 400MW. In the project configuration, a wholly undergound power house and RCC gravity dam are designed. The max. initial height of dam is 192m and will be raised to 216.5m finally, its RCC dam is the highest one in the world for the present. The composite side slope reaches 420m. The underground power house is huge. Its total flight height of shiplift is 192m.%龙滩工程是红水河上的“龙头”电站，该工程以发电为主，兼顾防洪和航运，具有巨大的综合利用与规模经济效益。其装机容量初期为4 200 MW，最终为5 400 MW，枢纽布置采用左岸全地下厂房方案，拦河大坝采用碾压混凝土重力坝，最大坝高初期为192 m，最终216.5 m，为目前世界上最高的碾压混凝土坝。工程组合边坡高达420 m，地下厂房规模巨大，升船机总提升水头高达197 m。
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