According to FSS code, Chapter 3, regulation 2.2
An EEBD is a supplied air or oxygen device only used for escape from a compartment that has a hazardous atmosphere and Shall not be used for fighting fires, entering oxygen deficient voids or tanks, or worn by firefighters. In these events, a self contained breathing apparatus (SCBA) shall be used.
EEBD consists of:
- Cylinder: It consists of small cylinder carrying 5 litre oxygen, along with a demand valve and low pressure alarm.
- Hood & face piece: Fresh air or oxygen comes inside the hood and the face piece, which are connected to the cylinder through a demand valve.
- Clear window: A clear window is provided in the face piece and is made up of flame resistant material for clear sighting and smooth escaping.
- Pressure indicator: to know the remaining pressure, and while you will charge to know the limit.
Operating requirements:
- The EEBD shall have service duration of at least 10 min.
- An inactivated EEBD shall be capable of being carried hands-free.
- Brief instructions or diagrams clearly illustrating their use shall be clearly printed on the EEBD.
The donning procedures shall be quick and easy to allow for situations where there is little time to seek safety from a hazardous atmosphere.
