Maximum load 1000 ton ship. Xiaohe Lock can handle ships with maximum load 1 1,000 tons, and Changzhou Xiaohe Lock can handle ships with maximum load 1 1,000 tons, with a design capacity of 99 million tons/year. It is planned to connect the waters of the Yangtze River through the lower mouth of Yulongzhou to Hongpiao 106 and Heipiao 106. The maximum length of a single boat150m and above, and the maximum length of a single boat in other segments is 205m and above; Towing fleet with a total length of more than 305 meters or a total width of more than 65 meters (except small towing fleet); The tonnage of the ship exceeds the design anti-collision standard of the restricted pier.