During ExpoTunnel, on October 23-24, the SIG - Italian Tunnelling Society has organized the international conference Innovation in the construction of underground works. Among the speeches on 23 October at 5.20 pm: James Clark, Robbins with AMR India Project - TBM quartzite excavation; 24 October at 10.00 am: Pompeo Levanto, Basf with Innovation in ground consolidation and treatment ; at 10.20 am: Enrico Dal Negro, Mapei with Innovation in underground waterproofing systems; at 11.00 am: Francesco Bellone, Cipa with Innovative equipment in the construction of a deep shaft; and at 12.40 pm: Gustavo Bomben, Fama with Preserving the performance of the gaskets for tunnel lining segments. Visit http://www.expotunnel.it/index.html?id=173&lng=2. 42/14.