SN EN 12151 : 2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 List of significant hazards
5 Safety requirements and/or protective measures
  5.1 Common requirements for all groups of machines
      5.1.1 High pressure fluid injection hazard from
             hydraulic or pneumatic systems
      5.1.2 Electrical hazards
      5.1.3 Main switches and control panels
      5.1.4 Emergency stop
      5.1.5 Thermal hazard
      5.1.6 Hazard generated by noise
      5.1.7 Ergonomic design
      5.1.8 Weather conditions
      5.1.9 Permanent means of access
      5.1.10 Fire protection
      5.1.11 Assembly
      5.1.12 Electrical Magnetic Compatibility
             (EMC) of machines
      5.1.13 Further requirements
  5.2 Specific requirements relating to different
      types of machines
      5.2.1 General
      5.2.2 Small mobile tipping drum mixers for
             domestic and industrial use
      5.2.3 All other mixers, e.g. tipping drum mixers
             (stationary), trough-, pan-, through-flow mixers
      5.2.4 Ground tipping systems
      5.2.5 Radial scrapers and radius lift arms
      5.2.6 Skip hoist system
      5.2.7 Dosing equipment
      5.2.8 Aggregate distribution chute
      5.2.9 Mobile mixing plant
      5.2.10 Waste concrete reprocessing plant
6 Verification of safety requirements and/or protective
  measures
7 Information for use
  7.1 Instruction handbook
      7.1.1 General
      7.1.2 Small mobile tipping drum mixers for domestic
             and industrial use
      7.1.3 All other mixers, e.g. tipping drum mixers
             (stationary), trough mixers, pan mixers,
             through-flow mixers
      7.1.4 Ground tipping systems
      7.1.5 Scraper radius, bridge and dragline plant
      7.1.6 Skip hoists
      7.1.7 Dosing equipment
      7.1.8 Aggregate distribution chute
      7.1.9 Mobile mixing plant
      7.1.10 Waste concrete reprocessing plant
      7.1.11 Information of machine marking
  7.2 Marking
      7.2.1 General
      7.2.2 Specifically for hydraulic and pneumatic systems
      7.2.3 Specifically for electrical equipment
      7.2.4 Specifically for internal combustion engine
      7.2.5 Specifically for control stations, working
             platforms, accesses and lifting equipment
      7.2.6 Mixer with an electrical class II motor
      7.2.7 Underground buffer stock area
Annex A (normative) - Stability, ground surface,
                      headroom and access requirements
  A.1 Ground surface and headroom of operation areas
  A.2 General access
  A.3 Stability test of small mobile tipping drum mixers
Annex B (informative) - Illustration of mixer and plants
Annex C (normative) - Noise test code
  C.1 Scope
  C.2 Sound power level determination
      C.2.1 Mixers
      C.2.2 Plants
  C.3 Emission sound pressure level determination
      C.3.1 Mixers
      C.3.2 Plants
  C.4 Installation conditions
  C.5 Operating conditions
  C.6 Information to be recorded
  C.7 Information to be reported
  C.8 Declaration of noise emission values
Annex ZA (informative) - Relationship between this
                         European Standard and the
                         Essential Requirements
                         of EU Directive 98/37/EC
Annex ZB (informative) - Relationship between this
                         European Standard and the
                         Essential Requirements
                         of EU Directive 2006/42/EC
Bibliography

Describes the requirements for the design of: a) batching and mixing installations for concrete and mortar; b) powered mixers for concrete and mortar, including for storage and handling; c) waste fresh concrete reprocessing plant.