Initial situation: After more than 30 years of service, the railway line from BLS Netz AG had to be renewed. In parallel with permanent-way renewal, the existing drainage system, made of concrete pipes in an open drain trench along the railway line, and the cross drainage to a navigational canal also had to be modernised.
Task: According to the requirements of RTE 21110 (Railway Technical Code of Practice, Switzerland, governs requirements for roadbed and ballast), the piping system required for railway line drainage in the roadbed and ballast has to meet the figures specified by the operator, e.g. a clear water inlet opening of at least 100 cm² and a minimum slot width of 6 mm. Click here to read more…
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