Services
We Provide A Variety Of Geo Environmental Services
HEXA is a leading provider of Geo-environmental services with significant experience providing
clients with practical solutions through the successful integration of industry experience, innovative
practices and technical excellence.
Quality
Our quality management systems provide technical solutions that meets best practice in the industry.
Integrity
We provide integrity as a core part of our services.
Experience
Hexa ’s experience in pro-active and pragmatic approach to every project has helped our clients create the most efficient strategy and meet their technical as well as commercial and timeline requirements.
Hexa offers a selection of services to our clients in the Mining, Oil and Gas, Waste, and Infrastructure sectors nationally:
OIL & GAS SECTOR
- Geotechnical and Environmental Site Assessments
- Detailed design for dams/ponds
- Construction management/supervision
- Liner Integrity Testing
- Onsite soil and liner laboratories
- Program and project management
- Construction quality assurance (CQA)
- Certification
- Operational and decommissioning plans.
Interested?
Interested?
WASTE MANAGEMENT SECTOR
- Waste management and landfill development planning.
- Landfill site selection and assist with development approvals and environmental permits.
- Geotechnical, environmental, and hydrogeological investigations for landfills.
- Environmental monitoring and audits.
- Design of C&D (Construction & Demolition), MSW (Municipal Solid Waste) landfill cells.
- Design of landfill capping, closure, and rehabilitation.
- Soil, groundwater and gas contamination assessments and remediation options.
- Geotechnical Inspection and Testing - Level 1 supervision.
- Landfill waste filling plan, staging and volumetric assessment.
- Groundwater, surface water, leachate, landfill gas monitoring and reporting.
- Surface water management design.
- Landfill airspace assessment and planning.
- Construction quality assurance (CQA) for landfill cell construction, capping construction, and vertical expansion (piggyback) construction.
- Certification for landfill design and construction including base liner, piggyback, capping and stormwater management.
WATER MANAGEMENT SECTOR
- Hydrology and Hydrogeology
- Surface Water Management
- Mine Water Management
- Hydraulic Design
- Water Storage Facility Design and Construction Quality Assurance
Interested?
HEXA also provides specialist Design and Construction services in conjunction with our trusted construction joint ventures which leverages our technical excellence to provide an integrated approach to the delivery of challenging projects in ground engineering and environmental sciences.
MINING SECTOR
- Integrated Mine Waste Management
- Rock and Soil Mechanics and Mine Geotechnical Engineering
- Mine Environment
- Mine Water
- Mine Infrastructure
- Heap Leach Design and Construction
- Mine Energy Optimisation and Carbon Management
- Sustainability and Corporate Social Responsibility
- Mine Safety and Industrial Hygiene
- Management Consulting
Interested?
ANNUAL DAM INSPECTIONS
- Record any changes in site measurements and progression from previous inspected defects.
- Estimate the spillway dimensions from site inspections to determine whether the spillway appears sufficient.
- Estimate crest dimensions for assessment of wave induced erosion.
- Estimate the number and measurements of HDPE Geomembrane defects.
- Estimation of any leakage rates.
- Certification
Interested?
