BS EN 811:1997 - Safety of machinery. Safety distances to prevent danger zones being reached by the lower limbs – BSI British Standards

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BS EN 811:1997

Safety of machinery. Safety distances to prevent danger zones being reached by the lower limbs

Status : Superseded, Withdrawn   Published : March 1997 Replaced By : BS EN ISO 13857:2008

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This European Standard establishes values for safety distances to prevent access and distances to impede free access by the lower limbs of persons of 14 years of age and above. The values are based on practical experience which has been found to be adequate for this group of persons.

The distances apply when adequate safety can be achieved by distance alone and when access by the upper limbs is not foreseeable according to the risk assessment.

These distances will not provide sufficient protection against certain hazards, for example radiation and emission of substances. For such hazards additional or other measures can be necessary.

The safety distances to prevent access relate to openings and protect those persons trying to reach danger zones under the conditions specified for the different reaching situations. Sometimes a reasonably foreseeable approach to danger zones can occur while persons try to use a foot to clean out discharge and/or feed openings or operate pedestrian controlled machinery.This standard specifies safety distances to prevent access relating to openings and to protect those persons trying to reach danger zones for different reaching situations.

The distances to impede free access relate to the height up to the protective structure. Reducing risk to persons by limiting the free movement of the lower limbs is also specified.

In specifying safety distances to prevent access and distances to impede free access a number of aspects have to be taken into consideration, such as:

  • reaching situations of the lower limbs occurring when machinery is being used
  • anthropometric data taking into account ethnic groups likely to be found in European countries
  • bio-mechanical facts, such as compression and stretching of parts of the human body and limits of joint rotation
  • technical and practical aspects.

 



 




Standard NumberBS EN 811:1997
TitleSafety of machinery. Safety distances to prevent danger zones being reached by the lower limbs
StatusSuperseded, Withdrawn
Publication Date15 March 1997
Withdrawn Date30 April 2008
Cross References89/392/EEC, 91/368/EEC, 93/44/EEC, BS EN 292-1, BS EN 294, BS EN 1050
Replaced ByBS EN ISO 13857:2008
International RelationshipsEN 811:1996
Draft Superseded By92/79446 DC
DescriptorsEquipment safety, Occupational safety, Safety measures, Length, Legs, Machine guards, Protective barriers, Barriers, Dimensions, Holes
ICS13.110
Title in FrenchSécurité des machines. Distances de sécurité pour empêcher l'atteinte des zones dangereuses par les membres inférieurs
Title in GermanSicherheit von Maschinen. Sicherheitsabtaende gegen das Erreichen von Gefahrstellen mit den unteren Gliedmassen
CommitteeMCE/3
ISBN0 580 27114 5
PublisherBSI
FormatA4
DeliveryNo
Pages14
File Size182.3 KB
Price£126.00


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