In scope is the preparation and annual updating of the work plans for enriching and/or replacing the Premix for Botlektunnel, Sophiatunnel, Pannerdensch kanaaltunnel and the Zevenaartunnel following the annual fire test for Premix (mixture SVM and water).
As a result of the annual fire tests, partial orders can be provided within the framework agreement for enriching or replacing the premix.
Replace/enrich Premix sprinkler system railway tunnels BetuwerouteSee tender file.