1、BRITISH STANDARDBS ISO 20712-2:2007Water safety signs and beach safety flags Part 2: Specifications for beach safety flags Colour, shape, meaning and performanceICS 01.080.10; 97.220.40g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55
2、g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS ISO 20712-2:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2008 BSI 2008ISBN 978 0 580 55300 4National forewordThis British Standard is the
3、UK implementation of ISO 20712-2:2007. The UK participation in its preparation was entrusted by Technical Committee PH/8, Graphical symbols and signs, to Subcommittee PH/8/1, Safety signs (including fire safety signs).A list of organizations represented on this committee can be obtained on request t
4、o its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsRefer
5、ence numberISO 20712-2:2007(E)INTERNATIONAL STANDARD ISO20712-2First edition2007-09-15Water safety signs and beach safety flags Part 2: Specifications for beach safety flags Colour, shape, meaning and performanceSignaux de scurit relatifs leau et drapeaux de scurit pour les plages Partie 2: Spcifica
6、tions des drapeaux de scurit pour les plages Couleur, forme, signification et performance BS ISO 20712-2:2007ii iiiContents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 2 4 Beach safety flags 2 4.1 General. 2 4.2 Meaning, function, shape and colour
7、of beach safety flags 2 4.3 Dimensions of beach safety flags. 4 4.3.1 Rectangular flags 4 4.3.2 Conical flags 4 5 Beach safety flag material . 4 5.1 General. 4 5.2 Colorimetric and photometric properties of the material. 4 5.3 Physical properties of polyester material 5 5.3.1 Mass per unit area 5 5.
8、3.2 Threads per unit length in woven polyester 5 5.3.3 Numbers of wales and courses in knitted polyester.5 5.4 Colour fastness of material . 5 5.4.1 Colour fastness to light 5 5.4.2 Colour fastness to fresh water 5 5.4.3 Colour fastness to salt water. 5 5.4.4 Colour fastness to wet and dry rubbing.
9、5 5.4.5 Colour fastness to weathering 5 5.5 Strength . 5 5.5.1 Tensile strength of woven materials. 5 5.5.2 Bursting strength of knitted materials 6 6 Measurement of chromaticity coordinates and luminance factor. 6 Annex A (informative) Examples of colours 7 BS ISO 20712-2:2007iv Foreword ISO (the I
10、nternational Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee
11、has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnica
12、l standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bod
13、ies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any
14、 or all such patent rights. ISO 20712-2 was prepared by Technical Committee ISO/TC 145, Graphical symbols, Subcommittee SC 2, Safety identification, signs, shapes, symbols and colours. ISO 20712 consists of the following parts, under the general title Water safety signs and beach safety flags: Part
15、1: Specifications for water safety signs used in workplaces and public areas Part 2: Specifications for beach safety flags Colour, shape, meaning and performance Part 3: Guidance for use BS ISO 20712-2:2007vIntroduction There is a need to standardize a system of giving safety information that relies
16、 as little as possible on the use of words to achieve understanding. Continued growth in international trade, travel and mobility of labour requires a common method of communicating safety information. Lack of standardization may lead to confusion and perhaps accidents. The use of standardized beach
17、 safety flags does not replace proper work methods, instructions and accident prevention training and/or measures. Education is an essential part of any system that provides safety information. NOTE Some countries statutory regulations may differ in some respects from those given in this part of ISO
18、 20712. BS ISO 20712-2:2007blank1Water safety signs and beach safety flags Part 2: Specifications for beach safety flags Colour, shape, meaning and performance IMPORTANT The colours represented in the electronic file of this International Standard can be neither viewed on screen nor printed as true
19、representations. Although the copies of this International Standard printed by ISO have been produced to correspond (with an acceptable tolerance as judged by the naked eye) to the requirements of this part of ISO 20712, it is not intended that these printed copies be used for colour matching. 1 Sco
20、pe This part of ISO 20712 specifies requirements for the shape and colour of beach safety flags for the management of activities on coastal and inland beaches, to be used for giving information on wind and water conditions and other hazardous conditions, and to indicate the location of swimming and
21、other aquatic activity zones extending from the beach into the water. It also specifies the colorimetric and photometric properties and the physical properties, including strength and colour fastness, of the materials from which beach safety flags are to be made. It is not applicable to flags for us
22、e on firing ranges or to flags for use to indicate water quality or to signalling used for maritime traffic. NOTE The illustrations in this part of ISO 20712 are as accurate as possible within the limitations of the printing process. 2 Normative references The following referenced documents are indi
23、spensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 105-A02, Textiles Tests for colour fastness Part A02: Grey scale for assessing change in
24、 colour ISO 105-A03, Textiles Tests for colour fastness Part A03: Grey scale for assessing staining ISO 105-B02, Textiles Tests for colour fastness Part B02: Colour fastness to artificial light: Xenon arc fading lamp test ISO 105-B03, Textiles Tests for colour fastness Part B03: Colour fastness to w
25、eathering: Outdoor exposure ISO 105-E01, Textiles Tests for colour fastness Part E01: Colour fastness to water ISO 105-E02, Textiles Tests for colour fastness Part E02: Colour fastness to sea water ISO 105-X12, Textiles Tests for colour fastness Part X12: Colour fastness to rubbing BS ISO 20712-2:20
26、072 ISO 2076, Textiles Man-made fibres Generic names ISO/CIE 10526, CIE standard illuminants for colorimetry ISO/CIE 10527, CIE standard colorimetric observers ISO 13934-1, Textiles Tensile properties of fabrics Part 1: Determination of maximum force and elongation at maximum force using the strip m
27、ethod ISO 13938-1, Textiles Bursting properties of fabrics Part 1: Hydraulic method for determination of bursting strength and bursting distension ISO 17724, Graphical symbols Vocabulary EN 1049-2:1993, Textiles Woven fabrics Construction Methods of analysis Part 2: Determination of number of thread
28、s per unit length EN 12127, Textiles Fabrics Determination of mass per unit area using small samples CIE 15, Colorimetry BS 2F 127:1991, Specification for nylon fabrics suitable for coating with natural or synthetic elastomers for aerospace purposes BS 5441, Methods of test for knitted fabrics 3 Ter
29、ms and definitions For the purposes of this document, the terms and definitions given in ISO 17724 and the following apply. 3.1 beach area forming a shoreline or sloping bank at the edge of the sea or a river estuary or lake 3.2 beach safety flag material that gives a particular safety message by me
30、ans of a combination of one or more colours and a geometric shape, and is attached by one end to a pole or rope NOTE A flag can also have additional support, e.g. a horizontal support. 4 Beach safety flags 4.1 General Beach safety flags shall be made of material conforming to Clause 5. 4.2 Meaning,
31、function, shape and colour of beach safety flags The meaning, function, colour and shape of beach safety flags shall be as specified in Table 1. BS ISO 20712-2:20073Table 1 Meaning, function, shape and colour of beach safety flags Beach safety flag Meaning, function, shape and colour Meaning Dangero
32、us conditions. Function To signify a severe hazard: water conditions unsafe for swimming and other water activities. People should not enter the water. BF.01 Shape and colour Rectangle, red. Meaning General warning flag. Function To signify a general warning of a hazard which requires a supplementar
33、y sign giving further information. BF.02 Shape and colour Rectangle, yellow. Meaning Lifeguard-patrolled swimming and bodyboarding zone or lifeguard on duty. Function Pair of flags to signify a swimming and bodyboarding zone which has a lifeguard patrol, or a single flag to signify that a lifeguard
34、is on duty. BF.03 Shape and colour Rectangle, red and yellow. Divided horizontally into two equal halves; red half at the top. Meaning Surfboard and other water craft zone or boundary. Function To signify a zone, or the boundary of a zone, designated for use of surfboards and other water craft. BF.0
35、4 Shape and colour Rectangle, black and white. Divided into four equal rectangles, two black and two white. Upper black rectangle at the pole side. Meaning Emergency evacuation. Function To signify that people should leave the water because of an emergency. BF.05 Shape and colour Rectangle, red and
36、white. Divided into four equal rectangles, two red and two white. Upper red rectangle at the pole side. Meaning No inflatables to be used on the water. Function To signify the danger of using inflatables in windy or otherwise unsafe water conditions. BF.06 Shape and colour Truncated cone, orange. BS
37、 ISO 20712-2:20074 4.3 Dimensions of beach safety flags 4.3.1 Rectangular flags For rectangular flags, the minimum dimensions shall be 750 mm 900 mm and the width shall always exceed the height by a minimum of 20 % of the height and by a maximum of 35 % of the height. 4.3.2 Conical flags Conical fla
38、gs shall be in the form of a truncated cone, incorporating a rigid ring at the large end, which shall have a minimum length of 1 500 mm, and a minimum diameter of 250 mm at the small end and 500 mm at the large end. The ratio of large-end diameter to small-end diameter to length shall be 2:1:6. 5 Be
39、ach safety flag material 5.1 General Rectangular flags shall be made of polyester as defined in ISO 2076, and shall be woven or knitted. NOTE Flags made of knitted polyester are lighter so they dry more quickly and fly better in light winds. However, woven polyester is more durable. For conical flag
40、s, the material shall be nylon conforming to BS 2F 127:1991, Fabric 7. 5.2 Colorimetric and photometric properties of the material When the material is tested in accordance with Clause 6, the chromaticity coordinates of each colour shall fall within the relevant colour area specified in Table 2. The
41、 luminance factor of each colour shall be as specified in Table 2. NOTE Practical information on colours is given in Annex A. Table 2 Chromaticity coordinates and luminance factor for beach safety flag materials Chromaticity coordinates of comer points determining the permitted colour area: standard
42、 illuminant D65 CIE 2 standard observer Colour 1 2 3 4 Luminance factor x 0,555 0,668 0,710 0,530 Red y 0,345 0,332 0,290 0,315 W 0,07 x 0,500 0,584 0,640 0,533 Orange y 0,390 0,416 0,360 0,350 W 0,18 x 0,424 0,465 0,522 0,460 Yellow y 0,479 0,534 0,477 0,430 W 0,45 x 0,385 0,300 0,260 0,345 White y
43、 0,355 0,270 0,310 0,395 W 0,70 x 0,385 0,300 0,260 0,345 Black y 0,355 0,270 0,310 0,395 u 0,03 BS ISO 20712-2:200755.3 Physical properties of polyester material 5.3.1 Mass per unit area When the material is tested in accordance with EN 12127, woven polyester shall have a mass per unit area of (155
44、 8) g/m2and knitted polyester shall have a mass per unit area of (115 6) g/m2. 5.3.2 Threads per unit length in woven polyester When measured in accordance with EN 1049-2:1993, method B, the mean number of warp ends per centimetre and the mean number of weft picks per centimetre shall be 13 and 12,
45、respectively. 5.3.3 Numbers of wales and courses in knitted polyester When measured in accordance with BS 5441, the number of wales per centimetre and the number of courses per centimetre shall be 11 and 18, respectively. 5.4 Colour fastness of material 5.4.1 Colour fastness to light When the materi
46、al is tested in accordance with ISO 105-B02, the colour fastness rating shall be at least 6. 5.4.2 Colour fastness to fresh water When the material is tested in accordance with ISO 105-E01, the colour change, assessed using the grey scale specified in ISO 105-A02, shall correspond to a colour fastne
47、ss rating of not less than 4-5 and the staining of adjacent fabrics, assessed using the grey scale specified in ISO 105-A03, shall correspond to a colour fastness rating of not less than 4-5. 5.4.3 Colour fastness to salt water When the material is tested in accordance with ISO 105-E02, the colour c
48、hange, assessed using the grey scale specified in ISO 105-A02, shall correspond to a colour fastness rating of not less than 4-5 and the staining of adjacent fabrics, assessed using the grey scale specified in ISO 105-A03, shall correspond to a colour fastness rating of not less than 4-5. 5.4.4 Colo
49、ur fastness to wet and dry rubbing When the material is tested in accordance with ISO 105-X12, the staining of the rubbing cloths after dry and after wet rubbing, assessed using the grey scale specified in ISO 105-A03, shall correspond to a colour fastness rating of 5. 5.4.5 Colour fastness to weathering When the material is tested in accordance with ISO 105-B03, the colour fastness rating shall be at least 6. 5.5 Strength 5.5.1 Tensile strength of woven materials When tested in accordance wi
