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Tunnel & Shaft Solutions


A comprehensive range of precast concrete solutions for tunnels, shafts and underground infrastructure across civil, mining and utility sectors. 
Sales: 1300 361 601
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Our systems include Segmental Shafts, Precast Arches, Box Culverts, Steel Reinforced Concrete Jacking Pipes and Segmental Tunnel Linings, engineered for safety, durability and efficient construction in demanding ground conditions.

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Access, Pipe Jacking & Ventilation Shafts

Segmental Shafts and One Piece Caisson units provide efficient, safe solutions for permanent and temporary underground shafts in varied soil conditions.

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Mine Portals & Reclaim Tunnels

Precast Arches, 3-Pin Arch systems and large-span Box Culverts deliver durable portal and reclaim tunnel structures for mining operations.

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Traffic & Utility Tunnels

Segmental Tunnel Linings, Steel Reinforced Concrete Jacking Pipes and Box Culverts support micro-tunnelling, service ducts and deep tunnel applications.

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Escape Tunnels & Emergency Shafts

Precast Arches, large-span Box Culverts, Steel Reinforced Concrete Pipes and Segmental Shafts provide safe egress solutions under heavy loading conditions.

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Building progress for people and the planet

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Holcim (SIX: HOLN) is the leading partner for sustainable construction with net sales of CHF 16.2 billion1 in 2024, creating value across the built environment from infrastructure and industry to buildings. Headquartered in Zug, Switzerland, Holcim has more than 45,000 employees in 44 attractive markets – across Europe, Latin America and Asia Pacific, Middle East & Africa. Holcim offers high-value end-to-end Building Materials and Building Solutions, from foundations and flooring to roofing and walling – powered by premium brands including ECOPlanet, ECOPact, and ECOCycle®.

Humes is a division of Holcim Australia – a leading supplier of aggregates, ready-mix concrete, and engineered concrete solutions and precast concrete pipes. Holcim Australia was certified as a Top Employer 2025/2026 by the Top Employers Institute, a global authority on recognising excellence in people and culture.

1Net sales 2024 restated following spin-off; excludes net sales to Amrize.

© HOLCIM 2026
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