# Macmahon wins $38M contract for Groundrush Gold Project decline

The Central Tanami Project Joint Venture has awarded Macmahon a $38 million contract to construct an underground decline at the Groundrush Gold Project in Australia's Northern Territory. The decline will initially extend 3.5km to a depth of 350m, with construction expected to take 14 months.

- Type: Contract
- Announced: 2026-09-01
- Where: Groundrush Gold Project, Northern Territory, Australia, Australia
- Value: $38.0M
- Status: announced
- Products: underground decline construction
- Sectors: [Mining Equipment](https://endata.com/sectors/mining-equipment.md)

## Companies

- [Macmahon Holdings](https://endata.com/companies/22329.md) (supplier)
- [MGX Resources](https://endata.com/companies/93710.md) (customer)
- [Tanami Gold](https://endata.com/companies/93711.md) (customer)

## Sources

- [miningfrontier.com](https://www.miningfrontier.com/news/macmahon-wins-38-million-contract-for-groundrush-gold-project/), 2026-09-01: "The commencement of the Groundrush decline represents a key milestone in the CTPJV's efforts to advance the project to a development decision and ultimate production."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.