Risanamento Fognature SPA restores the water pipeline DN400 – 120 m – 18 bar under the Marlengo Bridge in Merano (BZ) for ASM Spa.
This pipeline “suspended” under the Merano-Bolzano viaduct supplies about 60% of the water needs of the city of Merano.
DATA OF THE INTERVENTION
CLIENT ASM di Merano SPA
PROJECT/D.LL. Studio Fischer-Giralt, Ing. Giorgio Giralt – Merano
WORK DURATION 35 days (including excavations, special pieces and restorations)
RELINING DURATION 5 days (inspection, cleaning, rehabilitation,…)
Working pressure 12 bar
Test pressure 18 bar
Diameter 400 mm
Lenght 120 m
Existing pipe material carbon steel
Liner material multilayer polyester fiber + glass fiber
Resin Epoxy potable use
Height difference in entrance / exit 3 m
Technique CIPP – Air + Vapor Insertion