BS-8405-2003.pdf
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1、BRITISH STANDARD BS 8405:2003 Personal protective equipment against falls from a height Descender devices Single-hand operated descender devices for self or assisted rescue ICS 13.340.99 ? Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:20 GMT+00:00 2006,
2、Uncontrolled Copy, (c) BSI BS 8405:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 17 March 2003 BSI 17 March 2003 The following BSI references relate to the work on this British Standard: Committee reference PH/5 Draft for comment 99/56
3、6209 DC ISBN 0 580 41272 5 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PH/5, Industrial safety belts and harnesses, upon which the following bodies were represented: Arboricultural Safety Council Association of Consul
4、ting Scientists BSIF Test and Certification Association British Telecommunications plc Confederation of British Metalforming Construction Fixings Association Electricity Association Health and Safety Executive Industrial Rope Access Trade Association Institution of Mechanical Engineers Made-up Texti
5、les Association Ministry of Defence (UK Defence Standardization) National Engineering Laboratory National Federation of Master Steeplejacks and Lightning Conductor Engineers North West Construction Safety Group Personal Safety Manufacturers Association SATRA Technology Centre Co-opted members Amendm
6、ents issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8405:2003 BSI 17 March 2003 i Contents Page Committees responsibleInside front cover Forewordii 1Scope1 2Nor
7、mative references1 3Terms and definitions1 4Requirements1 5Test methods3 6Marking9 7Instructions for use9 Bibliography11 Figure 1 Apparatus for descent velocity and temperature increase test. Method 26 Figure 2 Apparatus for fall arrest test8 Licensed Copy: London South Bank University, London South
8、 Bank University, Fri Dec 08 00:58:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8405:2003 ii BSI 17 March 2003 Foreword This British Standard has been prepared by Technical Committee PH/5. This publication does not purport to include all the necessary provisions of a contract. Users are responsi
9、ble for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 11 and a back cover. The BSI copyright notice displayed in this doc
10、ument indicates when the document was last issued. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8405:2003 BSI 17 March 2003 1 1 Scope This British Standard specifies performance requirements for descender
11、 devices that are controllable by one person using one hand only, to be used for self-rescue, rescue assisted by a second person, or where the rescuer and rescuee descend in tandem. This British Standard is applicable to descender devices for use in conjunction with personal protective equipment aga
12、inst falls from a height e.g. full body harnesses conforming to BS EN 361, and rescue equipment e.g. rescue harnesses conforming to BS EN 1497. NOTEOther types of descender devices for self rescue are specified in BS EN 341. 2 Normative references The following referenced documents are indispensable
13、 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. BS 7479, Method for salt spray corrosion tests in artificial atmospheres. BS EN 364:1993, Personal pr
14、otective equipment against falls from a height Test methods. BS EN 365, Personal protective equipment against falls from a height General requirements for instructions for use and for marking. BS EN 892:1997, Mountaineering equipment Dynamic mountaineering ropes Safety requirements and test methods.
15、 BS EN 1891:1998, Personal protective equipment for prevention of falls from a height Low stretch kernmantel ropes. BS EN ISO 7500-1, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/compression testing machines Verification and calibration of the force measuring s
16、ystem. ISO 1140, Ropes Polyamide Specification. ISO 1141, Ropes Polyester Specification. 3 Terms and definitions For the purposes of this British Standard the following terms and definitions apply. 3.1 descender device device used in conjunction with a descent line, that employs an integral hand-ope
17、rated control element to control descent velocity NOTEA descender device enables descent from a higher to a lower position at a controllable velocity. 3.2 maximum rated load maximum load that a descender device is designated to carry as stated by the manufacturer NOTEThis load includes persons and t
18、ools and equipment. 3.3 minimum rated load minimum load that a descender device is designated to carry as stated by the manufacturer 4 Requirements 4.1 Innocuousness The descender device shall be examined visually and by hand and shall be free from sharp edges and rough surfaces. Licensed Copy: Lond
19、on South Bank University, London South Bank University, Fri Dec 08 00:58:20 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8405:2003 2 BSI 17 March 2003 4.2 Ropes, webbing and terminations 4.2.1 General If the manufacturer of the descender device supplies a descent line with the device, the descent l
20、ine shall conform to 4.2.2 or 4.2.3, as applicable, and shall be fitted with terminations made exclusively by the manufacturer of the descender device or by a manufacturer authorized by him. The manufacturer shall ensure that the instructions for use (see Clause 7) include a warning that the descend
21、er device should only be used with the descent line with which it has been supplied, and that if the descent line is replaced it is essential that it be replaced by one with exactly the same specification. 4.2.2 Synthetic fibre ropes Synthetic fibre ropes of a non-sheathed core construction shall co
22、nform to ISO 1140 or ISO 1141. Sheathed core ropes shall be either single mountaineering ropes conforming to BS EN 892:1997 or low stretch kernmantel ropes, type A, conforming to BS EN 1891:1998. 4.2.3 Textile webbing Textile webbing shall be made from virgin filament or multifilament synthetic fibr
23、es that have a minimum breaking strength of 0.6 N/tex. 4.3 Static performance 4.3.1 Operating force When tested in accordance with 5.1.2.1, with a force applied to the descender device equal to the maximum rated load, the force needed to release and operate the integral hand-operated control element
24、 of the descender device (i.e. to cause the device to move down the descent line) shall not exceed 450 N. 4.3.2 Static strength When tested in accordance with 5.1.2.2 the descender device shall withstand a force of 8 times the maximum rated load for 3 min without failure of the descent line or the d
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