Bunji Hydro-Power Project

Pakistan Water and Power Development Authority

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Expert Panel Review of Bunji Hydro-Power Project:

The Bunji Hydro-Power Project is a planned 6,000 MW facility to be constructed on the Indus River in Northern Pakistan. This massive undertaking will consist of at least 11 mined tunnels and powerhouse caverns. The tunnels traverse distances up to 5 miles (8 kilometers) and will run through a tectonically active region and a continental thrust fault.

The owner, MWAPD, assembled a panel of experts in Lahore to conduct independent review of the feasibility study before completion. Gall Zeidler Consultants (GZ) advised on the tunneling scheme associated with this proposed Hydro-Power Project.

LOCATION:
Bunji, Pakistan
DATE:
2008 – 2011
STRUCTURE:
Headrace Tunnels – 32.8 feet (10 meters)
Internal Diameter Caverns – 230 feet (70 meters) Height – 105 feet (32 meters) Width
Trailrace Tunnels – 32 feet (9.5 meters)
Internal Diameter Access Tunnel – 39 feet (12 meters) Height – 36 feet (11 meters) Width
LENGTH:
Headrace Tunnels – 5 miles (8 kilometers)
Caverns – 0.25 miles (0.41 kilometers)
Tailrace Tunnels – 1.6 miles (1.7 kilometers)
Access Tunnel – 5 miles (8 kilometers)
River Diversion Tunnels – 0.6 miles (0.9 kilometers)
GEOLOGY:
Gneiss, Kamila Amphibolite, Fluvial Sediments and Moraine Deposits; Two Major Fault Zones Include the Main Mantle Thrust (Fault Between Eurasian and Indian Tectonic Plates) and the Raikot Sassi Fault Zone
COST:
US $1.1 Billion
CLIENT:
Pakistan Water and Power Development Authority (WAPDA)
OWNER:
Pakistan Water and Power Development Authority (WAPDA)