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Pls noted that found the instruction chart for CO2 system not clearly. For example: for E/R, need 52 bottles, but actually release 54 bottles. And for cargo hold NO.1-5 same. Why?
Pls confirm and modify
Design reply:The quantity of CO2 cylinder on instruction chart means min. CO2 quantity required, actual release CO2 quantity should not less than it,
And in order to avoid too many dense pipelines, we simplified the pipelines as much as possible. For example: E/R need 52 bottles, NO.5 CH need 54 bottles, we simplified the pipe that only use one pipe to release 54 bottles for E/R or NO.5 CH.
And this drawing has been approved by NK, please accept as it is.
Supervisor: I know your explain. The min bottles can be marked in the drawing. But for the instruction chart, should be marked clearly with actual release bottles for crew used.
船东巡检,请注意,发现CO2系统的说明书不清楚。例如:对于E/R,需要52瓶,但实际上释放了54瓶。1-5号货舱也是一样。为什么?
请确认并修改
设计回答:指令图上的CO2瓶数量为要求的最小CO2量,实际释放的CO2量不应小于此量,
并且为了避免过多密集的管道,我们尽可能简化了管道。例如:E/R需要52个瓶子,NO.5 CH需要54个瓶子,我们简化了只有一个管道的管道,为E/R或NO.5 CH释放54个瓶子。
并且这张图纸已经得到船级社的认可,请接受。
船东回复:我知道你的解释。最小的瓶子可以在图纸上标注。但在说明书上,应清楚地标明供船员使用的实际放行瓶。
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