Raw water pipe with 6 kilometres

Continuous water flow for cooling and fire protection

System

Rehab

Medium

Water

Application area

Industry

Line type

Supply line

Country

Spain

Region

Cantabria

Situation

With an age of nearly 50 years, the raw water pipeline near and in a petrochemical plant was close to the end of its life span due to successive leakages in recent years. Since some of the leaks were at the beginning and  under an intersection of a railway platform, actions needed to be taken.

Special features

Organisation in phases

Short-term tasks were based on the scheduled supply cuts.

Minimised amount of connectors

This could be achieved by installing long sections depending on existing elements.

Two host pipe materials

The section to be rehabilitated consists of an asbestos cement pipe with a length of 2.4 kilometres and a reinforced concrete with sheet metal jacket and asbestos cement with another 3.6 kilometres.

Technical details

Material of host pipe

Reinforced concrete with sheet metal jacket and asbestos cement

Diameter of host pipe

DN 600 and DN 350

Transported fluid

Raw water

Operating pressure

4 bar

Total length

5,800 m

Number of sections

10 sections

Number of bends

2 x 20°, 2 x 15° and 1 x 90°

Installation time

7 working days

Why Primus Line?

Extended pipeline lifetime of at least 50 years after rehabilitation

Only little impact on the railway traffic and the environment

Continuous plant operation, the rehabilitation of the pipeline did not affect it

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