• NEN EN 12930 : 2015

    Current The latest, up-to-date edition.

    SAFETY REQUIREMENTS FOR CABLEWAY INSTALLATIONS DESIGNED TO CARRY PERSONS - CALCULATIONS

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    Published date:  12-01-2013

    Publisher:  Netherlands Standards

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols and abbreviations
    5 General requirements
       5.1 Application of the standard
       5.2 Safety principles
            5.2.1 General
            5.2.2 Hazard scenarios
            5.2.3 Safety measures
    6 General requirements for calculations
       6.1 General comments
       6.2 Calculation methods
       6.3 Presentation of calculations
       6.4 Verification by tests
       6.5 Actions
            6.5.1 General
    7 Verification by calculation for ropes
       7.1 General
       7.2 Actions to be taken into account for calculation of
            longitudinal profile and rope calculation
            7.2.1 Self weight and weight of load
            7.2.2 Dynamic effects
            7.2.3 Friction coefficients
            7.2.4 Actions due to climatic conditions
       7.3 Tension safety factor - General
       7.4 Track ropes
            7.4.1 Tension forces in the ropes and sag
            7.4.2 Tension safety factor
            7.4.3 Bending stress
            7.4.4 Minimum bearing forces
       7.5 Haul and ballast ropes
            7.5.1 Tension forces in the ropes and sag
            7.5.2 Tension safety factor
            7.5.3 Bending stress
            7.5.4 Bearing safety
       7.6 Carrying-hauling ropes of aerial ropeways
            7.6.1 Tension forces in the ropes and sag
            7.6.2 Tension safety factor
            7.6.3 Bending stress
            7.6.4 Minimum bearing forces
       7.7 Haul ropes of draglifts
            7.7.1 Tension forces in the rope and sag
            7.7.2 Tension safety factor
            7.7.3 Bending stress
            7.7.4 Minimum bearing forces
       7.8 Tension ropes
            7.8.1 Tension forces in the ropes
            7.8.2 Tension safety factor
            7.8.3 Bending stress
       7.9 Evacuation ropes
            7.9.1 Tension forces in the ropes, sag, bearing
                   forces, bending stress
            7.9.2 Envelope
            7.9.3 Tension safety factor
       7.10 Signal, restraint and marker ropes
            7.10.1 Envelope
            7.10.2 Tension safety factor
            7.10.3 Bending stress
    8 Load transmission to drive sheave
       8.1 Verification of adherence
       8.2 Permissible friction coefficients at the drive sheave
       8.3 Load cases
    9 Calculation of drive power
       9.1 General
       9.2 Continuous power with variable speed and/or tangential
            force
       9.3 Continuous power with constant speed and tangential force
       9.4 Acceleration power
    10 Actions of ropes and carriers on support structures
       10.1 General
       10.2 Actions due to tension forces in the ropes
            10.2.1 General
       10.3 Wind forces on ropes and carriers
       10.4 Friction forces of ropes on the support structures
       10.5 Ice on ropes
       10.6 Starting and braking forces
       10.7 Dynamic effects during operation
       10.8 Actions resulting from installation and maintenance work
       10.9 Accidental actions
            10.9.1 General
            10.9.2 Braking forces
            10.9.3 Actions due to derailment of rope onto the rope
                   catcher
            10.9.4 Actions due to derailment of rope onto the rope
                   catcher arm of a compression support
            10.9.5 Complete deropement on one side of the cableway
                   as an accidental event
            10.9.6 Wind on empty, non-operational carriers
            10.9.7 Breakage of a signal cable anchored to a support
                   structure
            10.9.8 Other accidental actions
    11 Deformations of supports
    12 Technical documents for the verification of the longitudinal
       profile calculation
       12.1 Funicular railways
       12.2 Aerial ropeways
       12.3 Draglifts
    Annex A (informative) A-deviations
    Annex ZA (informative) Relationship between this European Standard
                           and the Essential Requirements of EU
                           Directive 2000/9/EC relative to cableway
                           installations designed to carry persons

    Abstract - (Show below) - (Hide below)

    Defines the general safety requirements applicable to the calculations for cableway installations designed to carry persons.

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    Document Type Standard
    Publisher Netherlands Standards
    Status Current
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