Landfill Gas Mitigation Study, Remediation Plan

Client: Confidential
Location: Auckland
Project Value: Undisclosed
Sector: Environmental
Completion: Current
PROJECT DESCRIPTION
GWE was engaged to undertake a multi-disciplinary site investigation covering site contamination, geotechnical and landfill gas.
Elevated concentrations of metals and asbestos were recorded in shallow soil materials across the site which required significant cut to waste. GWE delineated soil contaminant conditions to ensure cost-effective waste disposal was provided.
Based on findings of the landfill gas risk assessment, ground gas mitigation measures were developed which covered foundation design, passive ventilation, and a membrane.
The project design required the directional drilling of services from the site through the neighbouring closed landfill. GWE
completed additional geotechnical investigation and contaminated land sampling to ensure this proposal was technically feasible.
As part of the resource consent process GWE worked closely at the interface between the applicant, and the regulator to ensure pragmatic resource consent conditions were adopted.
GWE was retained to provide construction monitoring and validation of remediation works.
SERVICES PROVIDED
- Contaminated land investigation and reporting.
- Landfill gas investigation and risk assessment.
- Geotechnical investigation and reporting.
- Waste classification services.
- Contaminated land regulatory evaluation and liaison services.
- Development of remedial options and ground gas mitigation options.
- Remedial action plan development.
- Construction observation and compliance including validation sampling and reporting.
No project details available for this project.
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Professionals used in Landfill Gas Mitigation Study, Remediation Plan
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About the
Professional
GWE Consulting Engineers is a well regarded, multi-disciplinary engineering consultancy operating throughout New Zealand.
The company provides geotechnical, civil and three waters’ (wastewater, stormwater and potable water) and environmental engineering services to governmental, industrial, commercial, developer and private clients.
We work in close association with leading architectural, surveying and project management firms as part of a larger design team providing thought leadership and innovative designs on major or groundbreaking projects.
GWE Consulting Engineers is committed to collaborating with our clients, design partners and regulators to deliver holistic solutions that endure beyond the life of the project.
Our services are consistent with sustainable practice, modern methods of construction and contemporary environmental objectives and deliver to our clients, economic and practical solutions. To understand more about our work, take a look at our experience
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