120.TPA and Immersion suit

The immersion suit

The immersion suit shall be constructed with waterproof materials such that:

􀂙 it can be unpacked and donned without assistance within 2 min, taking into account any associated clothing*, and a lifejacket

if the immersion suit is to be worn in conjunction with a lifejacket;

􀂙 it will not sustain burning or continue melting after being totally enveloped in a fire for a period of 2 seconds;

􀂙 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;

􀂙 following a jump from a height of not less than 4.5 m into the water there is no undue ingress of water into the suit.

Thermal protective aids

A thermal protective aid shall be made of waterproof material having a thermal conductance of not more than 7800 W/(m2.K) and shall be so constructed that, when used to enclose a person, it shall reduce both the convective and evaporative heat loss from the wearer's body.
􀂙 The thermal protective aid shall:
􀂙 cover the whole body of persons of all sizes wearing a lifejacket with the exception of
􀂙 the face. Hands shall also be covered unless permanently attached gloves are provided;
􀂙 be capable of being unpacked and easily donned without assistance in a survival craft
􀂙 or rescue boat;
􀂙 permit the wearer to remove it in the water in not more than 2 min, if it impairs ability
􀂙 to swim.
The thermal protective aid shall function properly throughout an air temperature range -30°C to +20°C.