The depositing project renovation Lysaker-Sandvika is continuance of the renewal plans Etterstad-Lysaker and Etterstad-Lillestrøm for reducing shutdowns.

For substructure (UNB) detailed plan, tender documents, construction drawings shall be delivered. These documents shall be the construction documents for:

— Demolition of foundations and cable ducts, vegetation clearing and rock removal, blasting, mass replacement, drainage, ditches, manholes and pipes, frost protection and subbase, noise abatement measures, cable ducts, cable ditches and pipe crossings, conduits, foundations and ballast cleaning.

The contract also includes smaller measures such as spiking and removal of knolls, improvement of subdrains, etc. as well as other measures which should/shall be implemented including measures subject to improvement. Railway engineering (JBT) for the Lysaker-Sandvika is projected by the Norwegian National Rail Administration. See also the tender documents.