In engine rooms, how many EEBDs are required relative to the number of watchstanders?

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Multiple Choice

In engine rooms, how many EEBDs are required relative to the number of watchstanders?

In engine rooms, emergency escape breathing devices must be available with redundancy so that every active watchstander has quick access to a device, and there’s an extra one ready if another is in use, damaged, or undergoing maintenance. This setup means you need twice as many EEBDs as there are watchstanders. For example, with two watchstanders you’d have four EEBDs; with six watchstanders, twelve, and so on. Having only the same number as watchstanders would risk not having a spare if one device is deployed or out of service, while having half or three times as many would either be insufficient for simultaneous use or unnecessarily excessive.

In engine rooms, emergency escape breathing devices must be available with redundancy so that every active watchstander has quick access to a device, and there’s an extra one ready if another is in use, damaged, or undergoing maintenance. This setup means you need twice as many EEBDs as there are watchstanders. For example, with two watchstanders you’d have four EEBDs; with six watchstanders, twelve, and so on. Having only the same number as watchstanders would risk not having a spare if one device is deployed or out of service, while having half or three times as many would either be insufficient for simultaneous use or unnecessarily excessive.

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