Review the preliminary design data for use in the designs and cost estimates of dams, reservoirs and power plants required for planning;
Review the design, layout, quantity and cost estimates of high dams, afterbay dams, diversion weirs, spillways, diversion tunnels, outlet works, power plants, switchyards, transmission lines and other related structures;
Undertake field evaluation of proposed dam sites, reservoir sites, power plant sites and sites of other appurtenant structures, including sources of construction materials; and
