SANS 50795-1996 Protection against falls from a height - Anchor devices - Requirements and testing《高空坠落防护 固定设备 要求及测试方法》.pdf

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1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA

2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any

3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-19719-3 SANS 50795:1996Edition 1 and EN amdt 1, nat. amdt 1 EN 795:1996Edition 1 and amdt 1 SOUTH AFRICAN NATIONAL STANDARD Protection aga

4、inst falls from a height Anchor devices Requirements and testing This national standard is the identical implementation of EN 795:1996 and EN amendment 1, and is adopted with the permission of CEN, rue de Stassart 36, B-1050 Brussels. Published by Standards South Africa 1 dr lategan road groenkloof

5、private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa SANS 50795:1996 Edition 1 and EN amdt 1, nat. amdt 1 EN 795:1996 Edition 1 and amdt 1 Table of changes Change No. Date Scope EN amdt 1 2000 Amended to replace the req

6、uirement for the type of test for deadweight anchor devices, to alter the dynamic test fordeadweight anchors, to separate the instructions for use and marking and revise the details, to modify annex A, to delete annex B, and to add a table to annex ZA. Nat. amdt 1 2007 Amended to change the designat

7、ion from SABS to SANS, with no technical changes. National foreword This South African standard was approved by National Committee StanSA SC 5120.11A, Personal protective equipment Industrial safety belts, fall arrest systems and industrial rope access, in accordance with procedures of Standards Sou

8、th Africa, in compliance with annex 3 of the WTO/TBT agreement. This standard was published in March 2007. This SANS edition is technically identical to the first SANS edition (SANS 50795:1996) and national amendment 1. EN amendment 1 has been added. EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN

9、 795:1996/A1October 2000ICS 13.340.99English versionProtection against falls from a height - Anchor devices -Requirements and testingProtection contre les chutes de hauteur - Dispositifsdancrage - Exigences et essaisSchutz gegen Absturz - Anschlageinrichtungen -Anforderungen und PrfverfahrenThis ame

10、ndment A1 modifies the European Standard EN 795:1996; it was approved by CEN on 15 September 2000.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of thisamendment into the relevant national standard without any alteration. Up-to-

11、date lists and bibliographical references concerning suchnational standards may be obtained on application to the Central Secretariat or to any CEN member.This amendment exists in three official versions (English, French, German). A version in any other language made by translation under theresponsi

12、bility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherla

13、nds, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCentral Secretariat: rue de Stassart, 36 B-1050 Brussels 2000 CEN All rights of exploitation in any form and by any means reservedwor

14、ldwide for CEN national Members.Ref. No. EN 795:1996/A1:2000 EPage 2EN 795:1996/A1:2000ForewordThis Amendment EN 795:1996/A1:2000 to EN 795:1996 has been prepared by Technical CommitteeCEN/TC 160 “Protection against falls from height including working belts“, the secretariat of which isheld by DIN.T

15、his Amendment to the European Standard EN 795:1996 shall be given the status of a nationalstandard, either by publication of an identical text or by endorsement, at the latest by April 2001, andconflicting national standards shall be withdrawn at the latest by April 2001.This Amendment to the Europe

16、an Standard EN 795:1996 has been prepared under a mandate givento CEN by the European Commission and the European Free Trade Association, and supportsessential requirements of EU Directive(s).For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of thisstandard.A

17、ccording to the CEN/CENELEC Internal Regulations, the national standards organizations of thefollowing countries are bound to implement this European Standard: Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg,Netherlands, Norway, Portuga

18、l, Spain, Sweden, Switzerland and the United Kingdom.Page 3EN 795:1996/A1:20004.3.5 Class E - Type test for deadweight anchor devicesDelete the text and replace with the following:When tested in accordance with 5.3.6, class E anchor devices shall not release the drop mass. The testshall be repeated

19、for each critical direction in which an arrest force could be applied. New anchordevices may be used for each test if the manufacturer so desires.The displacement L of the centre of mass of the deadweight anchor device shall not exceed 1000 mm.Displacement H shall be measured 3 min after the drop te

20、st and shall not exceed 1000 mm (see figure12). The test shall be carried out under each condition, and on each type of roof surface, for which themanufacturer claims suitability.5.3.6 Class E - Deadweight anchorsChange to read as follows (new, old):A wire rope of 8 mm diameter is required for the d

21、ynamic test.Install the anchor device according to its installation instructions on typical samples to demonstrate everycombination of types of construction material and conditions for which the manufacturer claims suitability.The simulated roof surface used for testing shall be wet.Before assemblin

22、g the deadweight anchor device on the test surface, and no more than 1 h before thedrop mass is released, water in the temperature range 10 C to 25 C should be applied at the rate of0,5 l/m2of the test surface.Attach the wire rope to the 100 kg mass and route the wire rope over the pulleys as shown

23、in figure 12.The pulleys shall have a minimum diameter of 100 mm. Secure the wire rope to the deadweight anchordevice.Raise the mass (2500 50) mm and, at a maximum of 300 mm horizontally from the radius of the pulleyP, hold the mass by the quick release device.After assembly and positioning, and imm

24、ediately before releasing the test mass, further water in thetemperature range 10 C to 25 C shall be applied at the rate of 0,5 l/m2of test surface.Release the mass within 2 min of the second application of water and measure displacements L and H.6 Instructions for use and markingSplit this clause i

25、nto “6 Marking“ and “7 Information supplied by the manufacturer“ and change to read asfollows (new, old):6 MarkingMarking shall comply with EN 365 and any text shall be in the language(s) of the country of destination.In addition to complying with EN 365 the marking shall include the following:For C

26、lass C and Class E anchor devices, the manufacturer or installer shall clearly mark on or near theanchor device the following parameters:a) the maximum number of attached workersb) the need for energy absorbersc) the ground clearance requirements.Page 4EN 795:1996/A1:20007 Information supplied by th

27、e manufacturerThe instructions for use shall be provided in the language(s) of the country of destination, and shallcomply with EN 365. A statement shall be included by the manufacturer that the anchor devices havebeen tested to this standard (EN 795) and that, unless otherwise stated, they are appr

28、opriate for singleperson use with an energy absorber to EN 355. In addition:a) For Class C anchor devices (anchor devices employing horizontal flexible anchor lines) theinstructions for use shall include the maximum force that can be permitted at the extremity andintermediate structural anchors.b) F

29、or Class E anchor devices (deadweight anchor devices), it is imperative that the instructions for usecontain the following guidance:- that deadweight anchor devices shall not be used where there is a risk of frost, or in freezingconditions;- on the use of deadweight anchor devices where there is con

30、tamination of the roof surfaceand/or anchor device by oil, grease etc. or by the growth of algae;- on the types of roof surface on which the device may be used (i.e. those surfaces on which ithas been successfully tested);- that deadweight anchor devices should be positioned to avoid areas where wat

31、er accumulates;- that where the deadweight anchor device is to be used on a roof that is covered with stonechippings, all loose stones shall be removed (e.g. sweeping with a hard brush) before assemblyof the anchor device;c) For Class E anchor devices (deadweight anchor devices), it is imperative th

32、at the instructions for usestate:- the potential dangers that arise when deadweight anchor devices are combined withretractable type fall arresters (EN 360), which have not been tested together as a complete fallarrest system;- the potential dangers that arise when deadweight anchor devices are comb

33、ined with energyabsorbing lanyards (EN 355), which have not been tested together as a complete fall arrestsystem;- that where users intend to combine any fall arrest personal protective equipment (PPE) withdeadweight anchor devices they should seek guidance from the manufacturer of the fall arrestPP

34、E first.Page 5EN 795:1996/A1:2000Annex A (informative)Installation recommendationsChange to read as follows (new, old):A.1 GeneralWhere an anchor device is intended to be used exclusively for personal protective equipment it shouldbe clearly marked by pictogram, or other clearly seen and understood

35、marking, on or near the anchordevice, clearly stating that the device is designed exclusively for use of personal protective equipment.Anchor devices are only to be used with CE marked fall arrest systems, which will not generate forcesin excess of 6 kN at the anchor device.A.2 Class A1 - Anchor dev

36、ices designed to be secured to vertical, horizontaland inclined surfacesChange to read as follows (new, old):For fixings in steelwork or timber, the design and installation should be verified by calculation by aqualified engineer to be capable of sustaining the type test force.For fixings in other s

37、tructural materials, the installer should verify the suitability by submitting eachindividual structural anchor (see definition in 3.5), after installation in that material, to an axial pull-outforce of 5 kN to confirm the soundness of the fixing. The structural anchor should sustain the force fora

38、minimum of 15 s.Page 6EN 795:1996/A1:2000Annex B (informative)Relation to the PPE directiveDelete annex B.Page 7EN 795:1996/A1:2000Annex ZA(informative)Clauses of this European Standard adressing essentialrequirements or other provisions of EU DirectivesModify the annex as follows by adding Table ZA

39、 :Table ZARequirements of the Annex II of the Directive 89/686/EEC Clauses of this Standard1.1.1 Ergonomics 4.21.1.2.1 Highest level of protection possible 4.2, 4.31.2.1.2 Satisfactory surface condition of all PPE parts in contact withthe user4.21.3.2 Lightness and design strength 4.2, 4.31.4 Inform

40、ation supplied by the manufacturer Clause 7, Annex A2.1 PPE incorporationg adjustment systems 4.22.12 PPE bearing one or more identification or recognition marksdirectly or indirectly relating to health and safetyClause 63.1.2.2 Prevention of falls from a height 4.2, 4.3 Standards South AfricaThis s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .