Subansari Lower Dam

Subansari Lower Dam

Arunachal Pradesh

Location: Subansari, Arunachal Pradesh

Client: National Hydroelectric Power Corporation (NHPC)

Consultants: Soma Enterprise, Boguchandgesstroy, Soyuzgidrosptsstry Consortium (Dam)

Contractors: Larsen & Toubro Limited (L&T) (underground works)

The 2,000 MW Subansari Lower Dam, is one of the largest hydroelectric power projects in India with a concrete gravity dam and a surface powerhouse, located on the border of Assam and Arunachal Pradesh.

Extensive instrumentation and monitoring work was executed by Encardio-rite for the dam, head-race tunnel and slope monitoring. The range of instruments included an inclinometer, piezometer, joint meter, stress meter, strain meter, borehole extensometer, magnetic extensometer and portable readout units.