NEN EN 12336 : 2005 + A1 2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions symbols and abbreviated terms
4 List of significant hazards
  4.1 Mechanical hazards
  4.2 Electrical hazards
  4.3 Thermal hazards
  4.4 Hazards generated by noise
  4.5 Hazards generated by radiation
  4.6 Hazards generated by materials and substances
  4.7 Hazards generated by neglect of ergonomic principles
  4.8 Hazards caused by failure of energy supply
  4.9 Hazards caused by missing and/or incorrectly positioned
      safety related measures
5 Safety requirements and/or protective measures
  5.1 General
  5.2 Specific requirement
       5.2.1 Hazards due to sharp and rough parts
       5.2.2 Hazards due to hot surfaces
       5.2.3 Hoses, installation and shielding
       5.2.4 Cutter head on TBMs
       5.2.5 Handling of heavy loads
       5.2.6 Rotation and displacement (axial movement)
       5.2.7 High compressive loads
       5.2.8 Access to and egress from operating positions and
              servicing points
       5.2.9 Protection against falling objects, face collapse
              and flood
  5.3 Control stations
       5.3.1 General
       5.3.2 Ergonomics
       5.3.3 Visibility
  5.4 Guards and protective devices
       5.4.1 General
       5.4.2 Specification of guards
       5.4.3 Access to cutter head
       5.4.4 Conveyor
  5.5 Control devices and systems and safety circuits
       5.5.1 Control devices
       5.5.2 Control systems
       5.5.3 Safety circuits
       5.5.4 Starting and stopping and warning systems
       5.5.5 Emergency stops
       5.5.6 Failure of the power supply
  5.6 Towing connection
  5.7 Laser guidance
  5.8 Ventilation and the control of dust and gas
       5.8.1 General
       5.8.2 Exhaust gases of internal combustion engines
       5.8.3 Atmospheric changes and ingress of gases
  5.9 Noise reduction
       5.9.1 General
       5.9.2 Noise reduction at source at the design stage
       5.9.3 Noise emission determination
  5.10 Electrical equipment
       5.10.1 General
       5.10.2 Protective measures
       5.10.3 Cables and leads
       5.10.4 Transformers
       5.10.5 Earthing and bonding
       5.10.6 Switch gear
       5.10.7 Lighting
       5.10.8 Emergency lighting
  5.11 Isolation of high voltage power supply
  5.12 Energy supply other than electricity
  5.13 Fire prevention and protection
       5.13.1 General
       5.13.2 Fire extinguishing systems
       5.13.3 Installation of fire extinguishing systems
  5.14 Storage of rescue equipment
  5.15 Forward probing equipment
  5.16 Warning signs, warning devices, symbols
       5.16.1 Warning signs
       5.16.2 Warning devices
       5.16.3 Symbols
  5.17 Maintenance
       5.17.1 General
       5.17.2 Work on cutter heads
6 Verification of the safety requirements and/or protective
  measures
7 Information for use
  7.1 General
  7.2 Content of handbook
      7.2.1 General instructions
      7.2.2 Operating instructions
      7.2.3 Maintenance
      7.2.4 Spare parts
  7.3 Marking
Annex A (informative) Examples of tunnelling machines
Annex B (normative) Verification of safety requirements
                       and/or protective measures
Annex ZA (informative) Relationship between this European
                       Standard and the Essential Requirements
                       of EU Directive 98/37/EC
Bibliography

Applies to all types of shield machines and associated back up equipment, thrust boring machines, auger boring machines and lining erection equipment. It also specifies the essential safety requirements for the design, installation, maintenance, and information for use of such machines.