NEN EN 12930 : 2015

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