Variations to the Istrana-Mestre DN 750 (30"), Mestre-Trieste DN 400 (16") and Mestre-Treviso DN 200 (8") gas pipelines

Variations to the Istrana-Mestre DN 750 (30"), Mestre-Trieste DN 400 (16") and Mestre-Treviso DN 200 (8") methane pipelines for interferences with the Mestre by-pass - Activities carried out: - Clearing and opening of the working track, control of the staked axis and reconstruction of the same in the missing sections - realization of the accesses - Excavation - laying polyphera - backfilling - restoration - executed as So.Co.Met.