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ISO 19372:2015 Microturbines applications - Safety, 2015
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 List of significant hazards
- 5 Safety requirements
- 5.1 General
- 5.2 Risk assessment
- 5.3 Modifications and replacement parts
- 5.4 Foreseeable misuse
- 5.5 Lifetime
- 5.6 Hazard combinations
- 5.7 Noise
- 5.8 Mechanical
- 5.8.1 Guarding
- 5.8.2 Accessibility for maintenance
- 5.8.3 Casing design
- 5.8.4 Microturbine compressor surge
- 5.8.5 Stability and handling
- 5.8.6 Overload of rotating shafts due to torque
- 5.8.7 Vibration
- 5.8.8 Mechanical failure caused by corrosion
- 5.8.9 Design methods and materials
- 5.8.10 Microturbine temperatures
- 5.8.11 Environmental loads
- 5.8.12 Assembly features
- 5.8.13 Couplings
- 5.8.14 Rotor bearings
- 5.8.15 Rotating part failure
- 5.8.16 Foreign object damage (FOD) screen
- 5.8.17 Gearbox
- 5.8.18 Starting systems
- 5.8.19 Storage and operating ambient temperature conditions
- 5.9 Microturbine air inlet system
- 5.9.1 General
- 5.9.2 Inlet air contamination
- 5.9.3 Icing monitoring and prevention
- 5.9.4 Implosion protection
- 5.9.5 Inlet explosion protection
- 5.9.6 Waste disposal through combustion
- 5.9.7 Recirculation
- 5.9.8 Microturbine compressor air inlet ducting
- 5.10 Fuel systems
- 5.10.1 General
- 5.10.2 Fuel supply quality and supply conditions
- 5.10.3 Pressure testing
- 5.10.4 Fuel supply heating
- 5.10.5 Gas fuel systems
- 5.10.6 Liquid fuel systems
- 5.10.7 Multi-fuel systems
- 5.10.8 Fuel purging
- 5.10.9 Fuel drainage
- 5.11 Combustion supervision
- 5.11.1 General
- 5.11.2 Requirements for ignition
- 5.11.3 Extinction safety time
- 5.11.4 System status indication
- 5.12 Exhaust system
- 5.12.1 Damper controls
- 5.12.2 Flexible joint location
- 5.12.3 Exhaust stack
- 5.12.4 Explosion protection
- 5.13 Enclosures
- 5.13.1 General
- 5.13.2 Enclosure structure
- 5.13.3 Enclosure fire precautions
- 5.13.4 Explosion prevention and protection — Area classification — Ventilation
- 5.13.5 Gas detection
- 5.13.6 Enclosure purging
- 5.13.7 Mist detection
- 5.13.8 Access and doors
- 5.13.9 Entrapment
- 5.14 Lighting
- 5.15 Fire precautions
- 5.15.1 General
- 5.15.2 Structural fire risk reduction
- 5.15.3 Hydrocarbon fire risk reduction
- 5.15.4 Fire protection
- 5.15.5 Fire detection
- 5.15.6 Fire extinguishing systems
- 5.15.7 Water mist extinguishant
- 5.15.8 Extinguishing system controls
- 5.15.9 Escape
- 5.15.10 Uncontrolled release of media and loss of propellant pressure
- 5.15.11 Vessel thermal relief (burst disc)
- 5.15.12 Vessel and/or pipe failure
- 5.15.13 Release of extinguishant into microturbine mechanical rooms, control rooms, etc.
- 5.16 Hazardous area classification and explosion prevention and protection
- 5.16.1 General
- 5.16.2 Area classification
- 5.16.3 Explosion prevention
- 5.16.4 Ignition source control
- 5.16.5 Reduction of explosion effects in an enclosed space
- 5.17 Ventilation
- 5.17.1 General
- 5.17.2 Cooling
- 5.17.3 Heating
- 5.17.4 Hazardous area control
- 5.17.5 Hot surfaces
- 5.17.6 Ventilation inlet location
- 5.17.7 Ventilation inlet filtration
- 5.17.8 Ventilation inlet ducting
- 5.17.9 Ventilation outlet location
- 5.17.10 Flow monitoring — Artificial ventilation
- 5.18 Fans
- 5.18.1 Fan guards and structural failure
- 5.18.2 Air blast oil coolers
- 5.19 Flammable gas detection
- 5.19.1 General
- 5.19.2 Type/selection principles
- 5.19.3 Location principles
- 5.19.4 Settings
- 5.19.5 Enclosures containing hot surfaces — Screening tool
- 5.19.6 Maintenance and calibration
- 5.20 Control and automatic protection systems
- 5.20.1 General
- 5.20.2 Environmental suitability
- 5.20.3 Ergonomics
- 5.20.4 Failure
- 5.20.5 Calibration
- 5.20.6 Testing
- 5.20.7 Speed control
- 5.20.8 Microturbine emergency shut-down system
- 5.20.9 Interlocks
- 5.21 Electrical
- 5.21.1 Design/Installation
- 5.21.2 Isolation and stored energy
- 5.21.3 Electrostatic energy and bonding
- 5.21.4 Water ingress
- 5.21.5 Lightning
- 5.21.6 Electromagnetic compatibility (EMC)
- 5.21.7 Battery installations
- 5.21.8 Electrical overload
- 5.21.9 Electrical power failure
- 5.22 Drains, vents, and bleeds
- 5.22.1 General
- 5.22.2 Vents for flammable gases
- 5.22.3 Toxic and hazardous emissions
- 5.22.4 Microturbine compressor bleeds
- 5.23 Pressure equipment
- 5.23.1 General
- 5.23.2 Design
- 5.23.3 Hazards
- 5.23.4 Misuse
- 5.23.5 Safe handling and operation
- 5.23.6 Isolation, draining, and venting
- 5.23.7 Fluid injection
- 5.23.8 Assemblies
- 5.23.9 Safety accessories
- 5.23.10 Flexible piping (and metal hoses)
- 5.23.11 External fire
- 5.23.12 Material embrittlement and corrosion
- 5.23.13 Ultraviolet (UV) resistant pipework
- 5.24 Auxiliary systems
- 5.24.1 Lubrication systems
- 5.24.2 Water systems
- 5.24.3 Hydraulic and pneumatic systems
- 5.24.4 Utility supplies
- 5.25 Installation in a hazardous area
- 5.26 Unenclosed microturbines in a mechanical room
- 5.27 Decommissioning and disposal
- 6 Compliance verification
- 6.1 Quality assurance
- 6.2 Verification of safety requirements
- 6.3 Certification markings
- 6.4 Electrical output ratings verification
- 6.4.1 Voltage and freqency
- 6.4.2 Harmonic Distortion Requirements
- 6.5 Electrical ratings for microturbine system
- 6.6 Marking of microturbine system
- 7 Information for use
- 7.1 General
- 7.2 Language
- 7.3 Packaging
- 7.4 Commissioning
- 7.5 Operation
- 7.5.1 General
- 7.5.2 Safety instructions and emergency procedures
- 7.6 Enclosure access
- 7.6.1 General
- 7.6.2 Risk assessment for accessing enclosures
- 7.6.3 Limitations under operational conditions
- 7.6.4 Limitations under non-operational conditions
- 7.6.5 Access during commissioning and re-commissioning
- 7.6.6 Installations in a hazardous area
- 7.7 Maintenance
- 7.7.1 General
- 7.7.2 General maintenance hazards
- 7.7.3 Accessibility, isolation, and energy dissipation
- 7.7.4 Pressure equipment
- 7.7.5 Fire protection systems
- 7.7.6 Gas detectors
- 7.7.7 Control systems: maintenance, calibration, and testing
- 7.7.8 Hazardous materials
- 7.8 Warning signs and notices
- 7.9 Permit to work (PTW)
- 7.10 Training
- 7.11 Decommissioning and disposal
- Annex A (informative) List of significant hazards
- Annex B (normative) Verification of safety requirements and/or measures
- Annex C (informative) Quantitative and qualitative risk assessments and determining SIL levels
- Bibliography [Go to Page]