Medium
Water
Application area
Utility
Line type
Water main
Country
Italy
Region
Sardinia
Situation
Frequent breaks and leakages in the pipeline led repeatedly to interruptions in water supply, since this pipe is the only supply line in the area. It runs through the Temo river valley to a dam and was deemed for a trenchless rehabilitation right from the start.
Technical details
Material of host pipe
Asbestos cement
Diameter of host pipe
DN 500
Transported fluid
Potable water
Operating pressure
16 bar
Total length
Main line: 6,178 m | Bypass DN 400: 1,000 m | Bypass DN 350: 1,300 m
Number of sections
Main line: 6 installation sections | Bypass: 3 installation sections
Safe and cost-effective rehabilitation in a difficult-to-access and mountainous terrain protected by numerous environmental regulations
By installing a fully factory-produced and quality-controlled product, the installation risk at the site was significantly reduced
in comparison with open trench
