Hydros & Dams

  ILISU (Turkey) - 1200MW HEPP - Spillway excavation/construction with plunge pool (left) and powerhouse excavation/construction with access tunnel portal (right)

ILISU (Turkey) - hybrid CFRD-concrete gravity dam complex with 1200MW (6x200MW) powerhouse
The largest CFDR dam on the Earth with its designed 24million m3 volume of marly limestone and basalt. 
It includes a 1400m long 135m crest elevation concrete face rockfill dam and a 600m long 45m high concrete gravity dam

 Coffer dam upstream(left) blocking the Tigris river with a CFRD of 350m wide base across and built of marly limestone and basalt downstream face wrapping  

 Tunnels in hydro construction