with reference to a canal, tunnel or shaft, a coating of asphaltic concrete, concrete, reinforced concrete or shotcrete to provide water-tightness, to prevent erosion or to reduce friction
Inland waterway infrastructure consists of the following items:
- Land;
- Channel (earthworks, canal basins and linings, sills, groynes, berms, towpaths and service roads), bank protection, canal-carrying aqueducts, siphons and conduits, canal tunnels, service basins used exclusively for sheltering vessels ...