The spillway of Nagitan hydropower station is composed of five overflowing orifices and one sand flushing orifice, the maximum discharge is 9230 m3/s and the energy is dissipated by hydraulic jump.

Practice and Experience of Environment Protection and Water-soil Conservation Supervision for Longtan Hydropower Station;

Waste Water Disposal for Macun Aggregate Production System of Longtan Hydropower Station;

Engineering characteristics of defective geological bodies at right-bank dam abutment of Longtan Hydropower Station and analysis of their causes;

The authors expounds the present status of natural environments and social environments in Ertan Hydroelectric Station and the reservoir area.

Stability Analysis of Surrounding Rock of Underground House Group in Yantan Hydropower Station;

Operation of RCC dam in Yantan Hydropower Station;

Study on water log caused by karst immersion surrounding Yantan Hydropower Station;

The Application of Big-size Semi-cantilever Formwork to Letan Hydropower Station Project;

Major Problems Concerning Letan Hydropower Station Construction and Corresponding Strategies & Measures;

Waterway Flushing Test on Overall Hydraulic Model for Letan Hydropower Station

Neutral Earthing Ways and the Earthing Prevention Device of Stator Winding of the Generator of Ertan Hydropower Station;

Plunge pool design and safety operation at Ertan hydropower station;

Analysis of ErTan Hydropower Station s Hydraulic Stability;