Civil Construction & Infrastructure Drainage
We deliver civil construction and infrastructure drainage solutions for mining and public infrastructure projects across WA and the Pilbara.
D&S Group Capability Statement
Discover how D&S Group, an Indigenous-owned Pilbara mechanical specialist led by Daniel Reardon with over 20 years’ experience, delivers reliable mining, maintenance and civil services across WA with Supply Nation certification – download our full Capability Statement.
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Civil earthworks & drainage for heavy industry
We deliver civil construction, earthworks and infrastructure drainage solutions for mining and public infrastructure projects across WA and the Pilbara. Our experience extends to culvert installation, drainage, batter trimming and detailed earthworks, rock protection, installation of underground services and maintenance. We provide full service civil construction solutions through a highly skilled team of engineers, statutory supervisors, drainers and plant operators and reliable equipment.
Capabilities across civil construction
D&S Group’s civil teams deliver end‑to‑end earthworks and drainage packages for mine, road and rail projects, combining mine‑spec plant with experienced supervisors and drainers to build safe, compliant ground conditions before, during and after construction.
- Culvert installation, stormwater drainage and underground services for mine and infrastructure projects.
- Bulk and detailed earthworks, batter trimming and rock protection for haul roads, pads and drains.
- Re-shaping and erosion control to return disturbed land to stable, safe conditions.
Specialists in supply and installation of CSP and concrete culverts across mine and infrastructure projects in the Pilbara:
- CSP installation (600mm-3600mm diameter)
- Multi-barrel culvert systems
- Concrete box culverts
- Headwalls, scour protection, and tie-ins
- Set-out, alignment, and QA compliance
Installation of underground services to mining and infrastructure standards:
- HDPE pipelines (water and dewatering)
- Stormwater and sewer systems
- Conduit and service trenching
- Fibre and communications installation
- Testing, QA, and as-constructed documentation
Bulk and detailed earthworks supporting drainage and civil infrastructure.
- Bulk excavation - GPS digger fleet
- Culvert excavation and bedding preparation
- Backfill and compaction to spec
- Batters, access tracks, and drainage shaping
- Working in rock and Pilbara ground conditions
Reliable on-site support to deliver civil and drainage works safely and efficiently.
- Site establishment and mobilisation
- Plant and operator hire (wet hire)
- Supervision and leading hands
- Support for principal contractor programs
- Working within multi-contractor environments
Delivered with a focus on safety, communication, and keeping works on schedule.

