Kishanganga project makes record progress12 December 2012
The Kishanganga project in the Himalayas has achieved a new excavation record in India last month. Seli recently announced that it excavated 815m with its TBM DSU designed for the challenging geological and environmental conditions of the work site in November.
The TBM beneath the Himalayas bores with a cover between 750 - 1000m at an altitude of 2430m. Seli stated that another factor in the efficiency of the TBM has to do with machine specifications, which were developed to handle variable and exceptional working conditions.
The features include a 19in (483mm) cutterhead design, 350mm of maximum total overcutting that is adjustable depending on geology, and the ability to rotate the cutterhead even in the presence of collapsing faces.
The project is expected to be completed in June 2014.