• NEN EN 12110 : 2014

    Current The latest, up-to-date edition.

    TUNNELLING MACHINES - AIR LOCKS - SAFETY REQUIREMENTS

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    Published date:  12-01-2013

    Publisher:  Netherlands Standards

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

    Foreword
    Introduction
    1 Scope
      1.1 Description of the machine(s)
    2 Normative references
    3 Terms and definitions
    4 List of significant hazards
      4.1 Mechanical hazards
      4.2 Electrical hazards
      4.3 Thermal hazards
      4.4 Noise hazards
      4.5 Hazards generated by materials and substances processed,
          used or exhausted by machinery, for example:
      4.6 Hazards generated by neglecting ergonomic principles in
          machine design (mismatch of machinery with human
          characteristics and abilities) caused e.g. by:
      4.7 Hazards caused by failure of energy supply, breaking
          down of machinery parts and other functional disorders,
          e.g.:
      4.8 Hazards caused by (temporarily) missing and/or incorrectly
          positioned safety related measures/means, e.g.:
    5 Safety requirements and/or protective measures
      5.1 General requirements
          5.1.1 Calculation
          5.1.2 Pressure relief valve
          5.1.3 Electrical equipment
          5.1.4 Control panel
          5.1.5 Communication
          5.1.6 Doors, closing and sealing
          5.1.7 Fire protection
          5.1.8 Handling of heavy items
      5.2 Personnel locks
          5.2.1 Number of chambers
          5.2.2 Dimensions
          5.2.3 Seats
          5.2.4 Door openings, dimensions
          5.2.5 Doors, closure
          5.2.6 Minimum equipment for personnel locks
          5.2.7 Other requirements
          5.2.8 Ventilation
          5.2.9 Protection against breaks in flexible lines
          5.2.10 Oxygen breathing (including all gas mixtures with
                 more than 25% oxygen)
      5.3 Material locks
      5.4 Combined locks
      5.5 Pressure bulkheads
          5.5.1 Sealing
          5.5.2 Service ports
    6 Verification of safety requirements and/or protective measures
    7 Information for use
      7.1 General
      7.2 Signals and warning devices
      7.3 Instruction handbook
      7.4 Marking
    Annex ZA (informative) - Relationship of this document with EC
                             Directives
    Bibliography

    Abstract - (Show below) - (Hide below)

    Applies for the design, construction, equipping, marking and testing of air locks and pressure bulkheads, which are to be used in tunnelling work.

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    Document Type Standard
    Publisher Netherlands Standards
    Status Current
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