Environmental Services

GWE provides its clients with a comprehensive range of environmental services to mitigate business risk, achieve sustainability goals and manage environmental effects across the full life cycle of their projects

Our engineers and scientists are highly skilled SQEPs (suitably qualified and experienced practitioners). Our collective approach is to carefully consider client objectives, site-specific conditions, regulatory requirements, and stakeholder viewpoints to improve environmental performance and achieve the best possible outcome for each project.

We work collaboratively across our service lines to deliver pragmatic solutions that enable our clients to achieve their objectives in the most cost-effective and sustainable manner.

Environmental Services – What We Do

Our team of engineers and scientists help commercial and industrial clients, local government agencies and community groups manage environmental liabilities, regulatory obligations, risk management, and environmental stewardship. We work with our project partners to assess and remediate brownfield sites, making them suitable for redevelopment, while at the same time protecting human health and the environment.

  • Environmental Due Diligence (EDD)
  • Environmental and safety auditing (EHS)
  • Contaminated land and closed landfill investigation and remediation
  • Ground gas investigation and mitigation
  • Asbestos services
  • Compliance monitoring and reporting

Environmental Due Diligence (EDD)

GWE assists with pre purchase or divestment EDD including assessment, auditing, and investigation; to fully understand the extent of hidden environmental liability and risk. Our team is highly skilled and responsive. We understand the importance of confidentiality, regular client communication, and expedited delivery of reporting in support of land transfer.  

  • Review of historical site information
  • Site audits, inspections, and interviews with site operators
  • Targeted investigation of soil, stormwater, groundwater and vapour
  • Identification of environmental conditions and/or material risk
  • Recommendations with respect to the management of latent liability
  • Development, design and implementation of remedial options

Environmental and safety auditing (EHS)

GWE undertakes the independent and systematic review of client activities and services. We assess compliance of site activity against regulatory requirements and work with our clients to achieve compliance. Our scientist and engineers work collaboratively to resolve improvement areas through the provision of innovative design solutions.

  • Review of client and/or site-specific information
  • Site audits, inspections, and interviews with site operators
  • Environmental and safety regulatory review
  • Identification of compliance gaps including prioritisation of risk
  • Development of client specific policies, procedures and management plans
  • Engineering design of improvement works

Contaminated land and closed landfill investigation and remediation

GWE employs a highly skilled team of environmental practitioners experienced in the completion of contaminated land and closed landfill investigation across New Zealand. GWE offers a full range of site investigation services to inform our data analysis, risk assessment, technical reporting and client specific recommendations.

  • Review of historical site information
  • Site audits, inspections, and interviews with site operators
  • Targeted investigation of soil, stormwater, groundwater, sediment and vapour/landfill gas
  • Contaminant fate transport modelling
  • Development and design of remedial options
  • Supervision of works, including validation sampling and post works regulatory reporting

Ground gas investigation and mitigation

GWE supports our clients in the full cycle management of ground gas challenges to both commercial and residential development. Our experienced practitioners provide technical advice that is at the forefront of legislation and industry best practice.

  • Site inspections
  • Ground gas and indoor air investigation
  • Risk assessment and modelling
  • Technical reporting to support resource consent applications
  • Remedial works design and implementation (structural barriers, ventilation, membranes)
  • Expert witness support

Asbestos services

GWE provides asbestos survey and management services to meet regulatory requirements and avoid health and safety and environmental risk associated with asbestos in built structures and soils. We work closely with our clients to provide pragmatic advice that will address risk in an achievable way.

  • Asbestos management surveys
  • Refurbishment and pre-demolition asbestos surveys
  • Asbestos in soil investigation
  • Technical reporting to support resource consent applications
  • Remedial works design and implementation including verification sampling services
  • Air monitoring (stationary and personal)

Compliance monitoring

GWE provides short and long-term groundwater, stormwater, trade waste, sediment, and gas compliance monitoring services in accordance with regulatory requirements. We have a strong understanding of regulatory process. This coupled intelligent data analysis supports our clients to develop strategies to minimise monitoring requirements and reduce long-term compliance costs.

  • Site inspections
  • Environmental investigation and reporting
  • Identification of compliance breaches and corrective procedures
  • Regulatory liaison
  • Management plans
  • S127 applications (change of consent conditions)