PENANGITES need not worry about ground movement, vibrations or even landslides from the “drill and blast” method to be used in the construction of the Pan Island Link (PIL 1), according to a geotechnical expert.
In allaying concerns over the suitability and safety of the drill and blast method of rock excavation, Datuk Dr Gue See Sew explained that it was the most common method used for tunnelling in granite that has been adopted in Malaysia since the 1970s, including for the Genting Sempah Tunnel (Karak Expressway) and Menora Tunnel (North South Expressway).