Landfill gas management is a key part of modern
landfill operation. Tonkin & Taylor’s world class
design skills and practical operational advice
help achieve reduced environmental impacts and
optimisation of extraction for reuse.
Development on and around closed landfills is
becoming more common. We have a proven track
record of cost effective, practical and safe solutions
to enable development of closed landfills for
commercial, residential and parkland use.
Our team of landfill gas specialists offers leading
expertise across the full range of technical
disciplines needed for this complex area.
Typical services include:
Investigations
Planning and economics
Engineering design, contract documents and specifications
Construction supervision
Operational advice.
Expertise
Landfill gas management and utilisation systems
Landfill gas generation estimation and
modelling
Passive and active landfill gas extraction
system design
Flare specifications
Landfill gas to energy specifications
Optimisation and extension of existing systems
Field monitoring and trouble shooting
Odour assessments and ground level landfill gas monitoring
Safety and hazard assessment
Management plans
Resource consents
Greenhouse gas emission reduction (Kyoto Protocol, voluntary market and emissions trading) implementation and monitoring.
Closed landfill redevelopment
Landfill gas generation assessment and monitoring
Risk assessment
Landfill gas management (cut off walls, venting, extraction)
Building protection measures
Management plans
Resource consents.
Experience
Kate Valley Landfill - detailed landfill gas system design
Omarunui Landfill - detailed landfill gas system design and implementation
Bluegums Landfill - landfill gas system design and implementation
Silverstream Landfill - well field optimisation and system design
MfE Closed Landfill Guidelines - landfill gas monitoring and management
Pikes Point Closed Landfill - landfill gas protection for new buildings
Greenmount Landfill - landfill gas protection for 12
adjacent new buildings.