Instruction manual

PROFICIENCY IN SURVIVAL CRAFT AND RESCUE BOATS OTHER THAN FAST
RESCUE BOATS
1-2 17
- It will not sustain burning or continue melting after being totally
enveloped in a fire for a period of 2 s;
- It will cover the whole body with the exception of the face; hands shall
also be covered unless permanently attached gloves are provided;
- It is provided with arrangements to minimize or reduce free air
in the legs of the suit;
- Jump from a height of not less than 4.5 m into the water
with out damaging or dislodging the immersion suit or being injured;
- If the immersion suit is to be worn in conjunction with a lifejacket, the
lifejacket shall be worn over the immersion suit. A person wearing such an
immersion suit shall be able to don a lifejacket without assistance;
- An immersion suit made of material with inherent insulation,
when worn either on its own or with a lifejacket if the immersion suit is to be worn in
conjunction with a lifejacket, shall provide the wearer with sufficient thermal
insulation, following one jump into the water from a height of 4.5 m, to ensure that
the wearer's body core temperature does not fall more than 2'C after a period of 6 h
immersion in calm circulating water at a temperature of between 0"C and 2'C.
Fig. 2.7 Immersion suits
* Anti-exposure suits
- Is made of material which reduces the risk of heat stress
during rescue and evacuation operations;
- Can be unpacked and donned without assistance within 2 minutes;
- Does not sustain burning or continue melting after being
totally enveloped in a fire for a period of 2 s;
- Has a lateral field of vision of at least 120˚;
- Provides inherent buoyancy of at least 70 N;