This standard is formulated in order to unify and standardize the navigation standards of navigation ship bridges, meet the requirements of navigation under the bridges, and adapt to the needs of comprehensive development of water and land transportation and the national economy. This standard applies to newly built, renovated and expanded bridges on navigation channels for navigation of ships. It also applies to bridges currently used for navigation of inland waterways and planned bridges for navigation of navigation channels.
JTJ 311-1997 history
2018JTS 180-3-2018 Navigation Standard of Waterways for Seagoing Vessel
1997JTJ 311-1997 Bridge Navigation Standard for Seagoing Vessel
JTJ 311-1997 Bridge Navigation Standard for Seagoing Vessel was changed to JTS 180-3-2018 Navigation Standard of Waterways for Seagoing Vessel.