Richard specialises in geotechnics and contaminated land issues. He has over 16 years experience in geotechnics and ground remediation and has experience in all aspects of environmental engineering.
Richard is responsible for the development of geotechnical and geo-environmental consultancy services for TEC Limited and has technical responsibility for all geotechnical aspects of projects undertaken for the company.
With an extensive range of experience working on contaminated sites including inner city, chemical works, gas works and industrial facilities, Richard has undertaken the design and delivery of geo-environmental investigations, reporting, qualitative and quantitative risk assessments, landfill design, negotiation of remedial strategies with regulatory bodies and delivery of remediation proposals.
Richard also has wide ranging experience gained from both public and private sectors in geotechnical assessment and design. His experience has been in an extensive variety of development and infrastructure schemes, including feasibility studies and initial assessment work, ground investigation, geotechnical design, remediation and Contract supervision, including Design and Build contracts.
Prior to working for TEC, Richard held successive positions in a number of major consultancies where he gained a broad experience in brownfield development and remediation and in the geotechnical aspects of highway and rail engineering. He has undertaken geotechnical site liaison roles on a variety of large construction sites, including Employer's Agents role for DBFO schemes and Geotechnical Liaison Engineer's role.
Key Skills:
Chartered Engineer and Chartered Geologist with broad experience in the geotechnical and geo-environmental assessment for a wide variety of development and infrastructure schemes throughout the UK and overseas.
Geotechnical and geological desk studies and feasibility assessments for road, rail and tunnelling schemes throughout UK and overseas.
Design and delivery of geo-environmental investigations, reporting, qualitative, semi-qualitative and quantitative risk assessments, landfill design, negotiation of remediation strategies with the regulatory authorities and delivery of remediation proposals for a variety of sites, including city regeneration schemes, and the redevelopment of former gas-works, papermills, rail engineering works, metal plating works, sewage treatment works, dock areas, chemical works and other industrial sites.
Design and delivery of geotechnical investigations (both overseas and in the UK), geophysical surveys, hydrographical and topographical surveying, down-hole geophysical techniques and advanced in-situ testing. Interpretative reporting on ground and groundwater conditions for a variety of projects
Strong geotechnical design experience, including a variety of founding methods, retaining measures, ground improvement methods and embankment and cutting design and stabilisation measures for earthworks, natural slopes and structures.
Extensive experience of development and construction sites, including the supervision of remediation for contaminated industrial and brown land sites and geotechnical site liaison roles on a variety of large construction sites.
Ewan Tweedie
Geo-Environmental Services
Ewan has eight years post research experience and is a specialist in contaminated land identification, analysis, risk assessment and site remediation.
He is responsible for the development of geo-environmental consultancy services for TEC Limited and has technical responsibility for all geo-environmental aspects of projects for the company.
Ewan has particular expertise in the assessment of risk associated with ground gases. He has also been responsible for promoting and regulating appropriate brownfield site regeneration within Local Authority, including redevelopments on former municipal landfill sites and gasworks. He has worked on many potentially contaminated sites throughout southern England, including urban centre sites, industrial facilities, gasworks, chemical works and waste disposal facilities.
Prior to working for TEC, Ewan held successive positions in a number of consulting practices and local authority where he gained a broad experience in brownfield development and remediation.
Key Skills:
Project management of geo-environmental studies and remediations throughout the UK and overseas both in the role as consultant and regulatory authority.
Design and delivery of geo-environmental investigations, reporting, qualitative, semi-qualitative and quantitative risk assessments, landfill design, negotiation of remediation strategies with the regulatory authorities and delivery of remediation proposals for a variety of sites.
Extensive experience of the legislation involved in the control and redevelopment of contaminated land and also the measures required within these regulatory regimes to minimise environmental risk and associated liability.
Development and supervision of remediation schemes including qualitative and quantitative "Risk Assessments" considering impacts on both environmental and human targets, applying CLEA, U.S. EPA critical / acute methodology, SNIFFER and current UK Guidance.
Regulatory authority negotiations relating to mitigation of site environmental liabilities in most commercial environments included major re-developments and properties transfers. Extensive experience of large development sites, including the supervision of remediation for contaminated industrial and brown land sites.
Andrew Kelleher BSc, MSc
Geo-Environmental Services
Andrew has eight years experience and is a specialist in contaminated land and groundwater identification, analysis, risk assessment and remediation.
He has technical responsibility for the geo-environmental consultancy services provided by TEC.
Andrew has worked on many potentially contaminated sites throughout the UK and specialises in the assessment of the risks to controlled water (groundwater and surface water) and human health from contaminant sources. Andrew has particular expertise in determining groundwater risks and remedial targets for contaminated sites using risk assessment tools such as the Environment Agency R&D P20 Remedial Targets Worksheet and ConSim.
Andrew also has extensive experience of producing application site reports required to support permit applications under the Integrated Pollution Prevention and Control (IPPC) regime. Andrew has produced site reports for a number of IPPC industry sectors including organic chemicals, paper and pulp manufacturing processes and non ferrous metals (including largest lead/zinc smelter in Europe).
Prior to working for TEC, Andrew held successive positions in a number of consulting and contracting practices where he gained a broad experience in brownfield development and remediation.
Key skills:
Project management of phased geo-environmental studies and remediation schemes throughout the UK in the role as consultant and contractor.
Design and delivery of geo-environmental investigations.
Conceptual model development and Quantitative Risk Assessment (QRA) considering impacts on both environmental and human receptors, applying current UK methodology (CLEA, SNIFFER, Environment Agency R&D P20 and ConSim).
Remediation design, supervision and validation.
IPPC site reporting within various industry sectors.
Environmental liability assessment of sites subject to transaction.
Bioaccessibilty assessment to allow the derivation of site specific human health assessment criteria for contaminants within soil.
Extensive experience of preparing geo-environmental chapters for Scoping Reports and Environment Statements, generated as part of the Environmental Impact Assessment (EIA) process, to accompany planning applications for environmentally sensitive schemes.
Ground/landfill gas risk assessment in accordance with current best available practice.
Regulatory authority negotiations relating in particular to the acceptance of QRA methodology and risk assessment derived remedial targets on a site specific basis.
Extensive knowledge of current contaminated land and waste licensing legislation.
Richard specialises in geotechnics and contaminated land issues. He has over 16 years experience in geotechnics and ground remediation and has experience in all aspects of environmental engineering.
Ewan has eight years post research experience and is a specialist in contaminated land identification, analysis, risk assessment and site remediation.
Andrew has eight years experience and is a specialist in contaminated land and groundwater identification, analysis, risk assessment and remediation.