Invitation to tender by negotiated procedure, deadline 09.02.2009, for permanent sealing of 1.2 km-long, 3.2 m-diameter VEAS outlet tunnel beneath Majorstua to stop percolation of groundwater and increase external pore pressure. Methodology to be suggested by tenderer. Specs and docs from Ole-Petter Nilsen at Oslo Kommune, tel +47 4160 9145, e-mail olepetter.nilsen@vav.oslo.kommune.no. http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=3669-2009 02/09.
