Drainage system for use with guiding device for visually impaired, comprises drainage channel, which is formed with U-profiles provided with covering grate, where covering grate is provided with soil indicator on surface

摘要

The drainage system comprises a drainage channel (1), which is formed with U-profiles provided with a covering grate (2). The covering grate is provided with soil indicator (3) on the surface, such that the visually impaired obtains guidance in the traffic area. The grates have openings (6), through which draining of the adjacent areas into the underlying drainage channel is carried out.