SN EN 815 : 1997 + A2 2008

0 Introduction
1 Scope
    1.1 Field of application
    1.2 Description of the machines
    1.3 Hazards
2 Normative references
3 Definitions
    3.1 Unshielded tunnel boring machine, TBM
    3.2 Reaming TBM
    3.3 Shaft boring machine, SBM
    3.4 BM
    3.5 Back-up equipment
    3.6 Erecting device
    3.7 Main control point
    3.8 Control point
    3.9 Exposed person
    3.10 Walkway
    3.11 Walkway surface
    3.12 Access opening
    3.13 Servicing point
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 vibration
    4.6 Hazards generated by laser
    4.7 Hazards generated by materials and substances
    4.8 Hazards generated by neglect of ergonomic principles
    4.9 Hazards caused by failure of energy supply
    4.10 Hazards caused by missing and/or incorrectly
          positioned safety related measures
5 Safety requirements and/or provisions
    5.1 General safety requirements
          5.1.1 Contact surfaces
                  5.1.1.1 Hazards due to sharp and rough
                           parts
                  5.1.1.2 Hazards due to hot surfaces
          5.1.2 Hoses and pipes under pressure
    5.2 Cutter head
    5.3 Handling of heavy loads
          5.3.1 Transport and lifting
          5.3.2 Handling of machine parts
          5.3.3 Handling of elements for rock support
    5.4 Gripping and regripping
    5.5 Access to and egress from operating positions and
          service points
          5.5.1 General
          5.5.2 Walkways
          5.5.3 Access openings
    5.6 Protection against falling objects and flood
          5.6.1 Falling objects
          5.6.2 Flood
    5.7 Control points
          5.7.1 Ergonomics
          5.7.2 Visibility
          5.7.3 Cab
    5.8 Guards and protective devices
          5.8.1 General
          5.8.2 Specifications of guards
          5.8.3 Access to cutter head
          5.8.4 Conveyor
    5.9 Control systems and devices
          5.9.1 General
          5.9.2 Control systems
          5.9.3 Control devices
          5.9.4 Starting, warning systems, stopping and
                  emergency stopping
                  5.9.4.1 Starting
                  5.9.4.2 Warning systems
                  5.9.4.3 Stopping
                  5.9.4.4 Emergency stopping
          5.9.5 Failure of the power supply
    5.10 Towing connection
    5.11 Laser guidance
    5.12 Ventilation, control of dust and gas
          5.12.1 General
          5.12.2 Dust suppression
          5.12.3 Dedusting
          5.12.4 Atmospheric changes
                  5.12.4.1 General
                  5.12.4.2 Methane monitoring
                  5.12.4.3 Monitoring for other gases
    5.13 Noise
    5.14 Electrical equipment
          5.14.1 General
          5.14.2 Protective measures
          5.14.3 Cables and leads
          5.14.4 Transformers
          5.14.5 Bonding
          5.14.6 Switch gear
          5.14.7 Lighting
          5.14.8 Emergency lighting
    5.15 Isolation of power supply
    5.16 Energy supply other than electricity
    5.17 Fire protection
          5.17.1 General
          5.17.2 Fire extinguishers
          5.17.3 Installation of fire extinguishers and
                  sprinklers
    5.18 Storage of safety equipment for personnel
    5.19 Indicators
          5.19.1 Marking
          5.19.2 Warning signs
          5.19.3 Warning devices
          5.19.4 Symbols
    5.20 Maintenance
6 Verification of safety measures and/or provisions
7 Information for use
    7.1 General
    7.2 Instruction handbooks
          7.2.1 General
          7.2.2 Identification of handbooks
          7.2.3 Content of operator's handbook
          7.2.4 Content of maintenance handbook
          7.2.5 Spare parts list
Annexes
A (normative) Protective measures for electrical
                  accessories and lighting
B (informative) Bibliography
C (informative) Figures
ZA (informative) Relationship of this European Standard
                  with EU Directives

Applies to unshielded tunnel boring machines and rodless shaft boring machines, together with back-up equipment, used for driving tunnels or shafts in rock. Defines essential safety requirements and hazards for such machines.