Sultartangi Power Station Headrace Tunnel Cross-Section Enlargement Project
It is proposed to carry out an enlargement of the headrace tunnel cross-section at the Sultartangi Power Station. The project area is located at an elevation of approximately 260–280 m a.s.l., within a designated industrial area. The headrace tunnel is approximately 3.4 km in length. The existing tunnel has an elliptic…
Source ID: TED-54010bfa-8fd1-40ad-b5fd-6dad35985722
Scope overview
It is proposed to carry out an enlargement of the headrace tunnel cross-section at the Sultartangi Power Station. The project area is located at an elevation of approximately 260–280 m a.s.l., within a designated industrial area. The headrace tunnel is approximately 3.4 km in length. The existing tunnel has an elliptical crosssection with an approximate area of 152 m².
The proposed enlargement involves lowering the tunnel invert by 4.5 m below the existing level. The estimated excavation volume is approximately 124,000 m³ measured in solid rock (in situ).
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