Typhoon multiple times, remember to tie the boat!

Beginning in July, my country entered a period of typhoon. During the typhoon movement, accompanied by wind, rainstorms, huge waves and storm trends, it would seriously threaten the safety of the ship. Xiao Bian is here to remind the relevant practitioners: Hurry up to "tie" the ship! To "tie" the boat is simply doing the anchor work, which is equivalent to stopping the car on the land. If the ship is not "tied" or the anchor chain breaks, it is anchor. Once anchoring occurs, improper disposal is prone to secondary accidents such as collision, stranding, and environmental pollution, which will bring huge economic losses to ships and Hong Kong and Airlines enterprises, but also bring great hidden dangers to water traffic safety. Why anchor? The root cause of the anchor and anchor is that the external force is greater than the anchor. The external force is greater than the anchor power, which is caused by a variety of reasons, including poor primer bottom quality, insufficient chain length, increasing external force (wind, rapid flow, ice floating, etc.), and swinging exercise. The important reason is the severe bias. How to judge the anchor? 01 During the anchor, set a "alert circle" range of radar and GPS such as the density and meteorological hydrology of the anchor. You can also determine whether to take an anchor based on other ships with the anchor, especially the relative position of the downstream and downstream ships. 02 Carefully observe the swaying movement of the anchor ship. If the periodic bias movement suddenly stops, the ship becomes a side of the wind, the anchor chain is on the side of the upper side, and the windfall corner is basically unchanged, then the anchor can be concluded. When the 03 conditions are allowed, send someone to the bow to observe the force of the anchor chain. During the swaying exercise, the anchor chain should be relaxed cyclically. If an anchoring chain is always tightened or intermittently shakes, you can judge the possibility of anchoring. What should I do if I anchor? 01 Once the anchor ship is anchor, you should not loosen the long anchor chain, because this is not conducive to the second grabbing of the anchor. The first anchor of another side should be thrown out immediately to prevent the ship from stranding and colliding due to the excessive anchor distance. 02 Notification of the cabin preparation, report captain, suspension and "Y" signal, and use communication methods such as "VHF" to report the relevant authorities in time and issue sailing warnings. 03 The host is anchored after preparing, and the anchor is selected again. How to prevent anchor? 01 Choose the right anchor. First of all, the anchor must have enough surplus water. Secondly, the bottom quality of the sea floor is preferably clay, and the terrain on the bottom of the sea should be flattened. 02 The correct anchoring method avoids insufficient rear retreat when the anchoring is not enough, the pine chain is too fast when the anchor, and the chain is too short. Try to make the anchor's downfall or the rear anchor. If you have to only have enough safety room when the upper wind of other ships or the anchor in front can be anchored. Before the wind and waves come, the length of the anchor chain can be appropriately increased. You can also choose to double anchor or stop the anchor to increase the ship's water. 03 After strengthening the anchor on duty, it is necessary to analyze the meteorological and hydrological conditions at that time, evaluate the factors that may cause anchor, and take necessary prevention measures. At the same time, the anchor on duty is strengthened to early detection early in the early stage of the ship (including the ship and the ship). Author 丨 Editor Jiang Jiale 丨 Liao Yan review 丨 Zhou Xiannen Supervision 丨 Sun Yingli

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