NS EN 1005-5 : 1ED 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 Requirements
  5.1 The application of standards relevant to this document
  5.2 General aspects
  5.3 Risk assessment
      5.3.1 General
      5.3.2 Hazard identification
      5.3.3 Risk estimation and simple evaluation of machinery
            related repetitive handling at high frequency
            (Method 1)
      5.3.4 Detailed risk evaluation of machinery related
            repetitive handling at high frequency: risk
            reduction and risk reduction option analysis
            (Method 2)
6 Verification
7 Information for use
Annex A (informative) Identification of technical action
      A.1 General
      A.2 Examples for identifying and counting technical
          actions
          A.2.1 Example 1: Pick and place (Tables A.2 and A.3)
          A.2.2 Example 2: Pick and place with transfer from one
                hand to the other and with visual inspection
                (Table A.4)
          A.2.3 Example 3: Pick and place while transporting a
                load (Table A.5)
          A.2.4 Example 4: Cyclical use of a tool with repeated
                and identical actions (Table A.6)
          A.2.5 Example 5: Technical actions not carried out in
                every cycle (Table A.7)
Annex B (informative) Posture and types of movements
Annex C (informative) Force
      C.1 General
          C.1.1 Introduction
          C.1.2 Procedure 1 - A biomechanical approach based on
                user group strength distributions
      C.2 Procedure 2 - A psychophysical approach using the
          CR-10 Borg scale
Annex D (informative) Association between the OCRA index and
                      the occurrence of Upper Limbs Work-related
                      Musculo-Skeletal Disorders (UL-WMSDs):
                      criteria for the classification of results
                      and forecast models
      D.1 General
      D.2 OCRA Index values, exposure areas and consequent
          actions
Annex E (informative) Influence of recovery periods pattern
                      and work time duration in determining the
                      overall number of reference technical
                      actions within a shift (RTA) and,
                      consequently, the OCRA index
Annex F (informative) An application example of risk reduction
                      in a mono-task analysis
      F.1 Foreword
      F.2 General: technical characteristics of the task
      F.3 Hazard identification
      F.4 Method 1
      F.5 Method 2
          F.5.1 Description of awkward postures and movements
                and evaluation of the corresponding Posture
                multiplier (Po[M])
          F.5.2 Repetitiveness multiplier (Re[M])
          F.5.3 Evaluation of average force level and the
                corresponding Force Multiplier (Fo[M])
          F.5.4 Determination of the Recovery period multiplier
                (Rc[M]) and the Duration multiplier (Du[M])
          F.5.5 Computation of reference technical actions per
                minute (RF)
          F.5.6 Computation of the OCRA index
          F.5.7 OCRA index calculation for mono task analysis
                when the repetitive task duration should be
                assessed
          F.5.8 Solutions to reduce the risk level
Annex G (informative) Definition and quantification of
                      additional risk factors
Annex H (informative) Risk assessment by Method 2 when
                      designing "multitask" jobs
      H.1 OCRA index calculation when two or more repetitive
          tasks should be assessed
      H.2 An application example: assessing repetitive tasks
          at a machine
          H.2.1 Description of characteristics of two tasks
          H.2.2 Definition of the corresponding multipliers
          H.2.3 Mono-task analysis separately for task A
                and B: computation of the overall number Actual
                Technical Actions (ATA) in task A (Table H.3)
                and task B (Table H.4)
          H.2.4 Mono-task analysis: computation of the overall
                number of reference technical actions within
                a shift (RTA) in task A (Table H.5) and task B
                (Table H.6)
          H.2.5 Mono-task analysis: computation of the OCRA
                index in task A (Table H.5) and task B (Table
                H.6)
      H.3 Multi-tasks analysis
          H.3.1 Computation of the overall number of Actual
                Technical Actions (ATA) in task A and task B
                (Table H.7)
          H.3.2 Computation of the overall number of reference
                technical actions (RTA) in task A and task B
                (Table H.7)
          H.3.3 Computation of the overall number of reference
                technical actions within a shift in task A and
                task B (Table H.7)
      H.4 Conclusion
Bibliography

Specifies reference data for action frequency of the upper limbs during machinery operation, and it presents a risk assessment method intended for risk reduction option analysis.