Section 5 in National Waterways, Safety Of Navigation And Shipping Regulations, 2002
5. Passage through Bridges.-
When a vessel is passing under a bridge, the height of the mast or the height of the collapsed mast and that of the wheelhouse/superstructure should be less than between waterway level and the height of the that road bridge. Speed of such vessel should be regulated with reference to prevailing weather conditions the currents likely to be experienced.
