Open invitation to tender, deadline 22/09/2020, for the upgrading, optimization and maintenance of the ISIS operation system in tunnels of Gand department, East Flanders. Duration of the contract is 48 months. Click here for tender documents and here to send tenders. Contact MOW, Gand, tel +32 92762763, fax +32 32246605, e-mail contractenenbegroting.vwt@mow.vlaanderen.be. For more information click here, here and here. Ref.n. EMG-VC-20004-F02_0. 38/20.