The State Government has called tenders to build an exploratory tunnel for the Borumba Pumped Hydro project

November 6, 2023

Queensland Hydro is moving forward with plans to dig an exploratory tunnel linked to the proposed Borumba Pumped Hydro Project.

An Expression of Interest package for contractors interested in undertaking the underground work was released on Friday.

The Underground Works – Tunnel Drilling package is seeking EOIs from suitably qualified contractors who can design and construct an exploratory tunnel at the project site near Imbil.

The EOI marks a new phase in the exploratory works phase for the Borumba project, expected to run from late 2023 until mid-2026.

The Tunnel Drilling package will gather geological, geotechnical and hydrogeological data to confirm the proposed location for the underground powerhouse and transformers caverns.

If the Borumba Project proceeds, the temporary tunnel would  likely be converted into one of the access tunnels required in the project design.

The contract will be awarded in August 2024 with work set to begin in November 2024.

Work on the exploratory tunnel drilling package will only occur if and when Queensland Hydro receives all necessary environmental and planning approvals.

If approved, the Borumba Dam pumped hydro project aims to be producing power in 2030.

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