Pakistan again extends electro-mechanical call for 1,410-MW Tarbela Dam 4th Extension

Pakistan’s Water and Power Development Authority (WAPDA) again extended the deadline for pre-qualification to supply electro-mechanical equipment for the 1,410-MW Tarbela Dam 4th Extension hydroelectric project. Responses now are due March 28.

WAPDA previously invited applications for pre-qualification by September 21 and August 22 to equip the extension project, which would add another powerhouse to the 3,478-MW Tarbela hydroelectric project on the Indus River. The new powerhouse would contain three 470-MW turbine-generators utilizing discharge from the existing irrigation Tunnel 4 of Tarbela Dam.

WAPDA also took bids in September to supply generator surface air coolers for the original Tarbela hydroelectric project.

In the current solicitation, WAPDA invites applications for pre-qualification for design, supply, installation, commissioning, and testing of electro-mechanical equipment. Equipment includes three vertical-shaft Francis turbines and 470-MW generators, main inlet and relief valves, generator transformers, 500-kilovolt SF6 circuit breakers, switchgear, control instrumentation, supervisory control and data acquisition (SCADA) systems, and other associated powerhouse equipment.

Pre-qualification documents, in English, may be obtained from WAPDA’s Internet site at or from the address below. Responses now are due March 28, labeled “Application to Pre-qualify for Tarbela 4th Extension Hydropower Project – Design, Supply, Installation, Commissioning and Testing of Electro-mechanical Equipment.”

For information, contact Water and Power Development Authority (WAPDA), Muhammad Yousef Khattak, Chief Engineer/Project Director, Tarbela 4th Extension Hydropower Project, WAPDA, Tarbela, Ghazi, Haripur, Khyber Pakhtunkhwa, Pakistan; (92) 99-5660562-64; Fax: (92) 99-5660003; E-mail:; Internet:


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