Environmental

Contracting Capabilities

From hazardous soil contaminants and waste to complex water borne and vapour contaminants, Delta Group is at the forefront of 21st century environmental management practices and can deliver complete end-to-end site remediation, rehabilitation and revegetation solutions. Our deep understanding of contamination impacts in all subsurface conditions allows us to deliver project management solutions to address complex environmental challenges in urban and industrial settings.

Project Management

  • Assessment of remedial options
  • Community and key stakeholder consultation and progress communication
  • People and plant resourcing
  • Engagement and management of technical experts
  • Programming and scheduling
  • Risk assessment, mitigation and management
  • Compliance auditing and reporting
  • Project management and reporting
  • Quality assurance and compliance with local and state legislation
  • Environmental close out and handover

Soil & Waste

  • PASS and ASS treatment and neutralisation
  • Independent NATA accredited laboratory analysis and bench studies
  • Onsite containment
  • Chemical immobilisation, solidification and stabilisation
  • Soil mixing and washing
  • Thermal treatment
  • ACM abatement and removal
  • Off site disposal

Site Remediation

  • Excavation for offsite disposal
  • Options for potential reuse and waste minimisation
  • Screening and abatement
  • Capping and onsite containment
  • Bioremediation and landfarming
  • In-situ stabilisation
  • Chemical treatment and stabilisation

Water

  • Groundwater and leachate extraction and treatment
  • Multi Phase Extraction (MPE) and Soil Vapour Extraction (SVE)
  • Water sampling, metering, monitoring and disposal
  • Independent NATA accredited laboratory analysis and bench studies

Site Rehabilitation

  • Validation testing
  • Completion of clean up scope
  • Barrier installation and lined containment cells
  • Backfilling, compaction, contouring and drainage
  • Complete survey modelling
  • Hard and soft landscaping
  • Revegetation

Site Preparation Services

  • Site establishment
  • Strip out
  • Hazmat and asbestos removal
  • Demolition
  • Bulk and detailed earthworks
  • Clearing and grubbing
  • Contourworks
  • Waste Management & Recycling

Latest Projects

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Subcontractor Management

With more than 2,000 prequalified suppliers and subcontractors Australia wide, our processes and management systems are best-in-breed. To achieve prequalified status subcontractors must adhere to best practice governance and risk management protocols:

  • Financial Performance
  • Insurances
  • Licenses & Accreditation
  • HSEQ Systems
  • Safety Statistics
  • Relevant Experience
  • Key Personnel
  • Plant & Equipment
  • Workplace Gender Equality
  • Social Inclusion & Procurement
  • Modern Slavery
  • Carbon Management
  • Risk Management
  • Regulatory & Statutory Compliance