Landfill strategy
Landfill management continues to be a priority for local governments in countries worldwide.
Landfill scarcity, environmental impacts, resource scarcity and rising prices for recovered materials will drive significant transformation in the waste market. We recognise the ongoing requirement for landfills within the waste sector to manage residual and hazardous wastes, as part of the ongoing evolution of the sector towards resource management and integration of the circular economy.
Our team provide an integrated approach with experts across a range of disciplines to deliver the desired outcomes of well-designed and operated landfills that do not lead to unacceptable impacts on the environment. We have deep experience in landfill remediation design with leachate and gas control systems for closed landfill sites to provide opportunities for reclamation and development, converting liabilities into assets.
We offer a breadth of experience across all aspects of landfill management, from advice on regulatory compliance and waste policy development, technical due diligence for acquisitions, detailed design and engineering, ground stability challenges, hydrogeological and gas risk assessments, gas resource assessments, to the provision of expert witness testimony on matters of waste related litigation.
Our technical services cover:
- licence and permit compliance
- civils and earthworks
- drainage and hydrology
- project management
- landscaping
- ecology
- waste geotechnics
- electrical and process
- leachate treatment
- gas to energy, gas clean-up and re-injection
The North East New Territories (NENT) landfill, together with those of the West New Territories and the South East New Territories, was originally intended to accommodate waste in Hong Kong up to the year 2020. However, waste disposal at these three strategic landfills took place at a much higher rate than expected and there was serious concern that they would run out of capacity in the near future.
As a first step to tackle the problem, the Hong Kong government decided to extend the NENT Landfill to provide an additional capacity of 21m cubic metres, almost doubling its existing capacity.
Arup was appointed to undertake a feasibility study for this project, including site formation design, cell preparation, leachate treatment, landfill gas flaring, and facilities for waste reception/recycling. Environmental impact, drainage impact and other impact assessments were also carried out.
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Waste
We work across all stages of the waste lifecycle, helping public sector and industrial clients to reduce waste, capture and reuse valuable resources, manage landfill, and convert waste to energy.