Notice of the existence of a qualification system, indefinite duration, for construction work for gas pipelines, tunnels, minitunnels and microtunnels. Contact Snam Rete Gas, San Donato Milanese, fax +39 02 52067570, e-mail mevem@snamretegas.it. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=049230-2013. 07/13.
