Onyx Engineering delivers safe, efficient soil excavation services for infrastructure, construction, and environmental projects. From site characterisation and permitting support to controlled excavation, earthworks, and site restoration, we manage the full project lifecycle with precision and accountability. Our approach minimizes disruption, protects workers and nearby communities, and ensures compliance with regulatory and environmental requirements.
Why choose Onyx
- ISO 9001:2015 and ISO 45001:2018 certified for Quality and Occupational Health & Safety
- 14+ years of experience across construction, mining, energy, and infrastructure
- Advanced excavation techniques, soil stabilization, groundwater control, and environmental stewardship
What we offer
- Detailed site surveys, excavation planning, and method statements
- Safe, trenching, bulk earthworks, and controlled soil removal
- On-site soil management, stabilization, and material reuse where possible
- Site restoration and regulatory compliance documentation
Deliverables
- Excavation plans, risk assessments, and QA records
- Soil characterization, compaction tests, and backfill metrics
- Final handover packages with restoration and regulatory compliance
Onyx Engineering Soil Excavation Capability Statement
- Core Services
- Soil excavation for infrastructure, mining, and industrial projects
- Trenching, bulk earthworks, excavation support, and soil stabilization
- Groundwater management, dewatering, and material handling
- Site restoration and regulatory compliance support
- Certifications and Safety
- ISO 9001:2015 Quality Management
- ISO 45001:2018 Occupational Health & Safety Management
- Strong safety culture, soil/groundwater controls, and environmental protections
- Experience and Sectors
- Construction, mining, energy, infrastructure
- Track record of on-time, within-budget soil excavation with minimal disruption
- Differentiators
- Detailed planning with method statements and risk assessments
- Precision excavation techniques for challenging soils and confined spaces
- Real-time progress tracking and transparent reporting