This standard specifies the classification, signs, requirements, test methods, inspection rules, marks, package and storage of marine lifejacket (hereinafter referred to as lifejacket).
This standard is applicable to the design, manufacture and acceptance of adult lifejacket used for boat and offshore facilities.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, all subsequent modifications (excluding correction contents) or revisions are not applicable to this standard. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document is applicable to these specifications.
GB 250-1995 Gray Scale for Assessing Change in Colour (idt IS0 105/A02:1993)
GB 251-1995 Gray Scale for Assessing Staining (idt IS0 105/A03:1993)
GB/T 3920 Textiles—Tests for Colour Fastness—Colour Fastness to Rubbing (GB/T 3920-2008, IS0 105-X12: 2001, MOD)
GB/T 5714 Textiles-Tests for Colour Fastness-Colour Fastness to See Water (GB/T 5714-1997, eqv IS0 105-E02:1994)
GB/T 8430 Textiles-Tests for Colour Fastness Colour fastness to Artificial Weathering: Xenon arc Fading Lamp Test (GB/T 8430-1998, eqv IS0 105-B04: 1994)
IS0 9227:1990 Corrosion Tests in Artificial Atmospheres-Salt Spray Tests
IS0 12402-7 Personal Flotation Devices - Part 7: Materials and Components - Safety Requirements and Test Methods
AATCC 30-1999 Antifungal Activity, Assessment on Textile Materials: Mildew and Rot Resistance of Textile Materials
IMO A. 658(16) Use and Fitting of Retro-Reflective Materials on Life-Saving Appliances
3 Terms and Definitions
The following terms and definitions apply in this standard.
3.1
Freeboard
It refers to the vertical distance between water surface and the mouth undermost place of personnel wearing lifejacket, namely the distance between water surface and the position that the wearing personnel cannot breathe without close the mouth. If the mouth is not in the same horizontal line, it refers to the distance by measuring to the undermost of mouth (See Figure 1).
3.2
Faceplace angle
It refers to the angle between the plane of forehead and the forefront of chin and the horizontal plane (See Figure 1).
3.3
Torso angle
It refers to the angle between the straight line of shoulder and the forefront of hipbone and the vertical line (See Figure 1).
3.4
List angle
It refers to the angle between the straight line of right & left shoulders and the horizontal plane, or the angle between the straight line through both ears when the head tilts and the horizontal plane.
