Standard

NS-EN 16704-2-1:2016

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Abstract

This European Standard defines minimum functional and non-functional requirements for developing a Track Warning Systems (TWS) to warn persons during their work on or nearby the track about the approaching of trains or rail vehicles using acoustical and visual TWS-Signals. These systems may also be able to influence the approaching of trains and rail vehicles by stoppage function. This European Standard is applicable: - to systems, sub-systems and components within TWS, including those containing software; in particular; - to new TWS; - to new integrations of systems, sub-systems and components into existing TWS; - to modifications of TWS developed according to this standard. For single warning units (e.g. simple electrical horns) it is recommended to use this standard, too. This document does not deal with: - hazards during the installation of the TWS caused by trains or rail vehicles on the lines; - hazards caused by the improper use of TWS; - hazards caused by the improper behaviour of persons working on or nearby the track; - CO2-tyfone, human operated pressure signal horns, flags, detonators or machine warning systems according to UIC 644; - national safety regulations to plan and operate TWS in track.

Document information

  • Standard from SN
  • Published:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 93.100
  • National Committee SN/K 184

Legal references

EU law: 2008/57/EC

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