Overland Piping
Medium
Water
Application area
Industry
Line type
Transport line
Country
France
Region
Camargue
Situation
KEM ONE, one of Europe’s largest vinyl producers, has rehabilitated a five-mile section of a transport pipeline for brine with a total length of 57 miles between its saline in Vauvert and the production plant in Fos-sur-Mer. In order to maintain the brine supply to the plant and thus also production, the transport pipeline was rehabilitated in eight sections of 3,280 feet each. To do so, a bypass, i. e. Primus Line® Overland Piping is used for every rehabilitation section.
Technical details
Material of host pipe
Steel
Diameter of host pipe
12"
Transported fluid
Brine
Operating pressure
232 psi
Total length
3,280 ft bypass; 2 motorised reels with 1,640 ft of liner each
Number of sections
8 sections
Number of bends
not applicable
Installation time
The entire project extended to over 18 months with pauses in summer due to the regional bushfire risk.
The transport line runs through a Natura 2000 protected area of the Camargue. Safe transport and protection of the environment are top priorities.
The combination of rehabilitation with a trenchless system and maintenance of operation via bypass is considerably more cost-effective than the new laying of the transport pipeline in conventional, open construction.
The trenchless method substantially facilitated the authorisation process that every French operator has to pass for rehabilitation projects in the protected area.
„The rehabilitation of an eight-kilometre pipeline without, or at least with very little, construction work is indeed something new.“
Mathieu Bernardini, Pipelines Manager at KEM ONE
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