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Science & Tech.
Pradeep Kumar

06/04/21 09:25 AM IST

Self-propelled railway track scavenging vehicle

In news

A self-propelled railway track scavenging vehicle may soon replace manual scavenging and cleaning that is still practiced to remove human waste lying on railway tracks

Highlights
  • Despite the ban on manual scavenging since 1993 in our country, men and women are seen removing excreta on the tracks with brooms and metal plates.
  • Once the garbage is picked up from the tracks, night soil, excessive dirt, oil, and other foreign materials is ineffectively cleaned with high-pressure water jets.
  • A national patent has been published for this technology.
Features
  • This self-propelled Road cum Rail vehicle equipped with dry and wet suction systems, air and water spraying nozzles, control system, and road cum rail attachment is multifunctional and easy to operate.
  • A display unit is provided for real-time control of the cleaning under drastically changing environment.
  • It requires only one person along with driver to carry out the automatic cleaning of the railway track.
  • Once the dry and wet suction is over, the water nozzles start spraying water jets to clear off any human waste or semi-solid garbage present on the track floor.
  • Another set of nozzles spray disinfectants on the track to get rid of flies, rats, and other insects. Water jets completely remove the human waste and other wet garbage from the inter rail space zone.
  • Both dry and wet garbage are collected in different tanks, and once filled, it can be decanted at appropriate local municipal garbage collection point.
  • A joystick-controlled telescoping suction pipe is fitted to clear the slurry from the trench parallel to the track.
  • The telescoping suction pipe can easily be placed at appropriate position in the side trench to suck the sewage slurry.
Source: PIB

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