Steve Wilson, Geoff Card, Sarah Haines
Published June 23, 2009
Reference - 192 Pages
ISBN 9781439808832 - CAT# N10081
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This handbook provides practical guidance on assessing ground gas risk and the design of appropriate protection measures. It discusses the assessment of ground gas for Part II A sites and also includes information on the assessment of vapours. It provides information on gas generation and the analysis of gas flows in the ground, including the design of gas protection systems. It explains how to use the most recent assessment methods published by CIRICA, NHBC and BSI and highlights the differences between the various methods. It includes advice and recommendations about the validation and testing of protection systems as they are installed. Worked examples help explain the concepts and calculations.
Introduction. Policy Guidance. Sources and Properties of Ground Gas and Vapours. Gas and Vapour Generation and Migration. Site Investigation and Monitoring. Assessment of Results. Methods of Gas Protection. Design of Protection Measures. Construction and Validation. Maintenance. References and Bibliography.Appendix A: Gas Monitoring Protocol. Appendix B: Design Report Checklist. Appendix C: Verification Report Checklist. Appendix D: Examples of Poor Installation.