Landfill Services

The HFCL team have over 25 years’ experience working on inert, non-hazardous, and hazardous landfills covering many aspects of landfill development, operation, and closure.

Waste disposal to landfill sites can often become an environmental nuisance as chemical and biological decomposition produces methane and leachate. Without appropriate design and accurate monitoring, sampling and testing in place, these can lead to combustible gas issues, leachate breakout, and possible contamination of aquifers.

Our team of landfill and waste management professionals deliver effective solutions to both government and private sectors. We are committed to providing our clients with a service that is uniquely tailored to each situation.

We provide the following services:

  • Landfill permits, improvement conditions and variations; we can help with review of monitoring requirements, discharge of conditions, and understanding permit terms, as well as permitting for new inert landfill.
  • Hydrogeological Risk Assessment and risk modelling; we can produce conceptual models of the landfill and its geological environment, identify hazardous chemicals in leachate, as well as potential pathways and receptors, and model the transport of chemicals using simple spreadsheets, LandSim, and RAM.
  • Environmental monitoring programmes and data review; we can design monitoring programmes, manage and review environmental data, assess evidence of potential leachate leakage.
  • Monitoring borehole design and installation; we can advise on monitoring requirements and locations, provide designs and organise borehole installation.

Our professional qualifications include Chartered Geologists (CGeol), Specialist in Land Condition (SiLC), Suitably Qualified Person (SQP) and Qualified Person (QP) under the CL:AIRE DoW Code of Practice.

Sustainable reuse of soils

For the sustainable re-use of soils, we can also produce your MMP and/or provide a Qualified Person to review your MMP and make the necessary Declaration to enable soils to be re-used. More details can be found here on our dedicated page.

Case studies

  • HRA for existing and proposed landfill development: Provision of hydrogeological Risk Assessments and associated documents for numerous inert and non-hazardous landfill sites in England and Wales, including data compilation and review, risk assessment modelling, monitoring network and compliance limit review, discussion with relevant regulators, and related report production and presentation.
  • Landfill extension: Provision of expert hydrogeological advice to a community forum opposing the extension of a hazardous landfill including assessment of groundwater inflows relating to mine shafts, and assessment of basal heave.
  • Management of leachate loss to major aquifer: Assessment of potential impact of leachate loss on groundwater quality, design and installation of pumping containment, monitoring to ensure containment effectiveness, and technical advice in meetings with regulator and water company to agree containment actions and avoid more serious consequences.
  • Review and upgrade of groundwater and leachate monitoring networks at several landfill sites. Design of monitoring boreholes and networks, installation supervision, review of data and associated reporting for compliance and assessment purposes.
  • Impact of rising groundwater level: Review of impact of groundwater level recovery on operational and closed landfill sites and their environment. Assessment of likely groundwater level rises when dewatering pumps at operational sites are switched off, and the likely consequences in terms of both potential surface flooding and the mobilisation of contaminants from historical landfill cells.
  • Hertfordshire landfill: A groundwater risk assessment was requested by the Environment Agency as part of an application for a PPC licence.  A groundwater risk assessment was undertaken to determine the likely risk from the accidental placement of non-inert waste at the site. 
  • Former brickworks: Hydrogeological investigation and assessment of a disused landfill as part of a housing development. Test pumping and numerical modelling were used to determine leachate and groundwater flow volumes to gas ventilation and drainage structures.

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Contact

H Fraser Consulting Ltd
The Pump House
Coton Hill
Shrewsbury
SY1 2DP

01743 352797

info@hfraserconsulting.co.uk

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