EN 14253:2003+A1:2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Quantities to be evaluated
5 Preparation of the measurement procedure
6 Measurement of vibration
7 Measurement uncertainty
8 Calculation of the daily vibration exposure
9 Information to be reported
Annex A (informative) - Examples of the calculation of
                        daily vibration exposure
Annex B (informative) - Some numerical examples of the
                        determination of daily vibration
                        exposure
Annex C (informative) - Guidance on handling of transient
                        acceleration artefacts due to
                        intentional operator movements
Bibliography

This European Standard provides guidelines for the measurement and evaluation of whole-body vibration at the workplace.This European Standard describes the precautions to be taken to make representative vibration measurements and to determine the daily exposure time for each operation in order to calculate the daily exposure value standardized to an 8-h reference period. This European Standard provides a means to determine the relevant operations that should be taken into account when determining the vibration exposure.This European Standard applies to situations where people are exposed to whole-body vibration at the workplace, transmitted through the buttocks for a seated person or through the feet for a standing person.This European Standard is restricted to the evaluation of exposure to whole-body vibration using quantities derived from frequency-weighted root-mean-square acceleration. The frequency range considered is 0,5 Hz to 80 Hz. Where the vibration includes shocks or impacts, methods in this European Standard may underestimate the severity of the exposure. There is a need to assess the risks arising from exposure to whole-body shocks and high crest factor vibration. Methods for this are beyond the scope of this European Standard.