The cutoff wall near the dam axis , the consolidation grouting and the curtain grouting for the foundation , and the high pressure jet - grouted cutoff wall at the toe of the dam form a vertical anti - seepage system for the dam foundation
2.
Gaobazhou water conservancy project is the most downstream hydropower station in the 3 cascade development qingjiang mainstream , total installed capacity 252mw , total reservoir capacity 430 million - m3 , maximum dam height 57m , length of dam axis 439 . 5m , total static investment rmb 623 . 48 million ( 1998 price )
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