Pakistan extends deadline to equip 1,410-MW Tarbela 4th Extension

Pakistan’s Water and Power Development Authority (WAPDA) has extended the deadline for pre-qualification to supply electro-mechanical equipment for the 1,410-MW Tarbela 4th Extension hydropower project. Responses now are due September 21.

WAPDA previously invited applications for pre-qualification by 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 recently extended until August 27 a deadline for applications for pre-qualification to build the project’s civil works.

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. WAPDA expects to invite bids from pre-qualified firms in December.

Pre-qualification documents, in English, may be obtained from WAPDA’s Internet site at or from the address below. Responses are due September 21, 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), 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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