Three Gorges consruction statistics Structure Concrete Excavation Embankment Rebar (M m3) (M m3) (M m3) (t) Dam 16 10.38 – 172,000 Power house 3.45 19.58 3.03 124,000 Navigation facilities 5.35 55.84 7.86 165,000 Diversion works 3.14 17.03 21.09 9,600 Total 27.94 102.83 31.98 463,000