Presentation of the work from ITA Working Groups and Committees

• Shafts (WG23) - Siamak Hashemi & Neal Wedding
• TBM services guidelines (ITAtech) - Marco Della Casa
• Health and safety planning guide (WG5) - Bill Newns & Donald Lamont
• Permanent spayed concrete linings guideline (WG12/ITAtech) - Karl Gunnar Holten
• Panel discussion - Animator Nick Chittenden