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Light Ship or Load? Uncertainty in Shipboard Weight Surveys

机译:轻船还是轻载?船载重量测量的不确定性

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摘要

Adequate stability for a ship is critical to the vessel’s safety and operation, the safety and well being of its crew and passengers, and its ability to accomplish its mission. To validate that a ship has acceptable stability, a detailed inventory of the ship is conducted to determine what weights must be added or deducted in order to arrive at an accurate light ship center and weight. This determination is important in arriving at the ship’s true light ship weight and center, a basis for calculating the ship’s draft, trim, and stability characteristics. Small vessels may only require a couple of people and a few hours to complete such a survey, while a larger vessel, on the other hand, can require several thousand manhours and more than a week to perform. The accuracy of this important survey depends on the available manpower, the experience of the surveyors, the size and complexity of the ship, and, most importantly, the accuracy and consistency practiced by the people conducting the survey.
机译:船舶足够的稳定性对于船舶的安全和运营,船员和乘客的安全与福祉以及完成任务的能力至关重要。为了验证船舶是否具有可接受的稳定性,需要对船舶进行详细的清单确定必须增加或减去的重量,才能得出准确的轻型船舶中心和重量。这种确定对于得出船舶的真实轻船重量和中心非常重要,这是计算船舶吃水,纵倾和稳定性特征的基础。小型船只可能只需要几个人和几个小时即可完成这样的调查,而大型船只则可能需要数千个工时和一周以上的时间才能完成。这项重要检查的准确性取决于可用的人力,测量员的经验,船舶的大小和复杂性,最重要的是,由进行调查的人员所执行的准确性和一致性。

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