Hazardous Ground Gas: An essential guide for housebuilders
4 February | 10am–1pm
Event overview
Ground gas continues to create challenges on housing development sites, from initial assessments to installation and verification. Knowing how to manage it effectively is essential. This session brings together NHBC and industry experts to break down each sage of the process offering clear guidance, examples and insights drawn from real project experience.
Who should attend?
Whether you’re a builder, groundworker, consultant or regulator, this comprehensive session will equip you with practical knowledge to help you understand, assess and manage ground gas risks on your sites.
What's included?
Assessing and managing ground gas risks
Gain a clear understanding of how ground gas issues arise on residential developments and the challenges they create during assessment and management. This section provides an overview of the full risk assessment process, including how to identify potential hazards, evaluate site conditions and determine the appropriate level of protection needed.
Design, installation and verification
See what good design looks like when developing gas protection measures, with practical advice on selecting and specifying appropriate systems. You’ll learn how these measures should be installed on site, supported by real world insights from industry specialists, before taking a closer look at the verification process, why it matters, how it should be completed and examples of successful approaches through case studies.
Why attend this webinar?
Clarity on best practice
Get clear guidance on each stage of the ground gas management process.
Minimise errors
Learn where issues commonly arise and how to avoid them on site.
Expert insights
Hear from specialists with extensive technical and practical experience.
Speakers
Mark Davies, NHBC
Mark Davies is a Senior Geoenvironmental Engineer at NHBC with more than 15 years’ experience in environmental and geological investigation. He manages environmental risks and supports sustainable building practices in the UK housing sector.
Alex Logan, NHBC
Alex Logan is a Geoenvironmental Engineer with over 15 years’ experience at NHBC. She has worked on brownfield assessment, remediation, environmental impact assessment, and research into soil and groundwater contamination. Alex holds an Honours degree in Environmental Science and is a Chartered Scientist.
Amy Juden, Environmental Protection Group
Amy Juden is a Chartered Geologist specialising in ground contamination and brownfield redevelopment. She works on sustainable solutions for contaminated sites and delivers training for CL:AIRE and the Geological Society. Amy is also an author of NF94.
Neil Salvidge, Neil Salvidge Training, Development and Assessment
Neil Salvidge has worked in construction since the mid-1980s, starting in installation roles and progressing to project management and specialist training. He develops training programmes, assesses NVQ candidates in gas membrane installation, and helps develop industry standards. He is also an active YouTube educator.
Stephen Moreby, NHBC
Steve is a Chartered Environmentalist (CEnv) and Specialist in Land Condition (SiLC) with 30 years experience working in varied roles across the land quality and brownfield sector. Steve was a member of DEFRA’s Contaminated Land Expert Panel for a number of years, and has been involved in the publication of a variety of contamination and ground gas guidance, including the Category Four Screening Levels, BS8485 Code of Practice for ground gas protective measures, CIRIA 665 assessing risks to buildings from hazardous ground gases, and most recently NF94.