- Member Geological Society Council, 2014 – present
- Chair, Registration Authority European Federation of Geologists, 2009 to 2013
- Secretary General European Federation of Geologists, 2002 to 2008
- Member Clay Materials Working Party, 2001 – 2005
- Member Steering Group, Engineering in Chalk, CIRIA, 1999 – 2003
- Chairman Fellowship & Validation Committee. Geological Society of London, 1999 – 2002
- Member Geotechnique Advisory Panel, 1999 – 2001
- Member Programme Board, British Geological Survey, 1995 – 1998
- UK representative on ISO/TC 182/SC 1 – Geotechnics – Classification and Presentation, 1991 – 2004
- UK representative on CEN TC 396 – Earthworks – Classification and Testing, 2010 to present
- Member, BSI Technical Committee B/526/3 Site Investigation and Ground Testing, 1991 – present
- Chairman Working Group on Rock Weathering, 1990 – 1995
- Member, Council of Geological Society of London, 1983 – 1986
- Member Professional Committee, Geological Society of London, 1983 – 2002
- Member Fellowship & Validation Committee. Geological Society of London, 1983 – 1999
- General Secretary, European Engineering Geology, EEG91, 1990 – 1991
- Treasurer Engineering Group, 1989 – 1992
- Member Engineering Group Committee, 1985 – 1992
Positions on professional and technical Committees
In 2002 David was elected as Secretary General of the European Federation of Geologists, the pan European professional institution representing geology into European and national governments and promoting international standards to allow mobility of professionals. Since giving up this role, he has taken over as Chairman of the Registration Authority responsible for ensuring that the EFG acts within its statutes.
He has taken a key role in drafting national and international Standards and company manuals, as well as a number of published papers. This includes being Chairman of the Revision Panel that completed a major review of BS5930 in 2015; this followed his role as a lead author in the redraft of BS 5930, published in 1999, and representation as National Expert for the UK at CEN and ISO committees. He has been responsible for preparation and maintenance of manuals and execution of internal training in the description of soils and rocks, both on site and in formal in-house training courses.
David was a chapter author in the Working Party on Clay Materials in Construction and was recently a member of the CIRIA Steering Group on Chalk in Construction. He served on the Geotechnique Advisory Panel, responsible for editorial and paper refereeing for this most prestigious journal, between 1999 and 2001. He chaired the Engineering Group on Rock Weathering, published in 1995, and whose recommendations are now included in national Standards.
He was a member of the Programme Board of the British Geological Survey from 1995 to 1998. From 1993 to 1996 he served on Council of the Geological Society, and continued on the Fellowship and Validation committees until 2002, the latter three years as Chairman. From 1985 to 1992, Mr Norbury served on the Committee of the Engineering Group of the Geological Society, being Treasurer of the Group for three years. He was then General Secretary for the Group’s 27th annual conference held in Europe in September 1991.