• BS 3375-5:1997

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Management services Guide to determination of exposure limits, recovery times and relaxation times in work measurement

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  10-02-2020

    Language(s):  English

    Published date:  15-09-1997

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Committees responsible
    Foreword
    Introduction
    Guide
    1 Scope
    2 References
    3 Definitions
    4 General
    5 Determination of relaxation and recovery times and
        exposure limits
    Annexes
    A (informative) Derivation of the tables for relaxation
        and recovery times and exposure limits
    Annexes
    A (informative) Derivation of the tables for relaxation
        factors
    B (informative) Derivation of regimes for recovery and
        exposure times
    C (normative) Benchmark activities for assessing work
        intensities
    Tables
    1 Posture RF %
    2 Adjustment factors for posture RF%
    3 Walking RF%
    4 Increments to walking RG% for load carrying
    5 Work intensity RF%
    6 Simplified RF% table
    7 Vigiliance activity
    8 Threshold WGBT values (Tthr)
    9 Work periods in cold environments
    A.1 Energy rates for various postures
    A.2 Energy rages for walking on the level, unladen
    A.3 Energy rates for various activities
    A.4 RA% values as a function of metabolic rate
    A.5 Energy rates for loads carried on the level at 4 km/h
    A.6 Conversion of load carrying wattage to RF% contribution
    A.7 Recovery period factor (F) for various hold intensities
    A.8 Summary of bases for the RF tables
    B.1 Fractional body areas
    B.2 Required equivalent clothing thicknesses (ECT)
    B.3 Weightings for items of clothing
    B.4 Summary of derivation of regimes for recovery and
        exposure times
    C.1 Benchmark activities
    Figures
    1 Flow chart to determine RF% and recovery requirements
    A.1 Maximum hold time
    List of references

    Abstract - (Show below) - (Hide below)

    Defines guidelines on determination of relaxation times and recovery times and periods for human activities for measurement using work measurement data for determination of the amount of relaxation time (RT) relevant to the conditions or environment surrounding the task.

    General Product Information - (Show below) - (Hide below)

    Committee W/-
    Development Note Supersedes 93/409005 DC and BS DD204(1991) (07/2005) Reviewed and confirmed by BSI, November 2008. (11/2008)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 3375-4:1993 Management services Guide to work performance control
    BS 3375-3:1993 Management services Guide to work measurement

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 7802:1995 Glossary of terms used in operational research
    BS 6841:1987 Guide to measurement and evaluation of human exposure to whole-body mechanical vibration and repeated shock
    BS EN 27726:1994 Thermal environments. Instruments and methods for measuring physical quantities
    BS 3375-3:1993 Management services Guide to work measurement
    BS EN 28996:1994 Ergonomics. Determination of metabolic heat production
    BS EN 352-1:2002 Hearing protectors. Safety requirements and testing Ear-muffs
    BS 6842:1987 Guide to measurement and evaluation of human exposure to vibration transmitted to the hand
    ISO 9996:1996 Mechanical vibration and shock Disturbance to human activity and performance Classification
    ISO/TR 11079:1993 Evaluation of cold environments — Determination of required clothing insulation (IREQ)
    BS EN 352-2:2002 Hearing protectors. Safety requirements and testing Ear-plugs
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