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BS EN 1012-3:2013 Compressors and vacuum pumps. Safety requirements - Process compressors, 2013
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 List of significant hazards – Hazard analysis and risk assessment
- 5 Safety requirements and/or protective measures [Go to Page]
- 5.1 General
- 5.2 Mechanical safety [Go to Page]
- 5.2.1 General
- 5.2.2 Guards [Go to Page]
- 5.2.2.1 General
- 5.2.2.2 Cutting and severing, friction and abrasion
- 5.2.2.3 Bodily contact
- 5.2.2.4 Ejection of parts
- 5.2.2.5 Openings in guards
- 5.2.2.6 Access closures in guards
- 5.2.3 Fluid injection
- 5.2.4 Loss of stability [Go to Page]
- 5.2.4.1 Generally applicable
- 5.2.4.2 Portable and skid-mounted compressor units
- 5.2.5 Lifting and transportation of compressor units and parts [Go to Page]
- 5.2.5.1 General
- 5.2.5.2 Load
- 5.2.5.3 Positioning and number of lifting points
- 5.2.5.4 Influence of direction of the forces acting on the lifting points
- 5.2.5.5 Safety factors
- 5.2.5.6 Design consideration
- 5.2.5.7 Lashing points
- 5.2.5.8 Portable and skid-mounted compressor units
- 5.2.6 Slip, trip and fall
- 5.2.7 Speed [Go to Page]
- 5.2.7.1 Overspeed
- 5.2.7.2 Underspeed and critical speed ranges
- 5.2.8 Loss of main energy supply or short term power interruption
- 5.2.9 Reverse running of the compressor
- 5.3 Electrical safety [Go to Page]
- 5.3.1 Generally applicable
- 5.3.2 Protection from overload
- 5.3.3 Protection from live parts
- 5.3.4 Protection from lightning
- 5.3.5 Portable and skid-mounted compressor units [Go to Page]
- 5.3.5.1 General
- 5.3.5.2 Fluid, corrosive action
- 5.4 Control systems [Go to Page]
- 5.4.1 General
- 5.4.2 Failure of safety related control system energy supply
- 5.4.3 Start/restart
- 5.4.4 Manual suspension of safety functions
- 5.4.5 Electrical control systems [Go to Page]
- 5.4.5.1 Emergency stop function
- 5.4.5.2 Manual reset
- 5.4.5.3 External influences on electrical equipment
- 5.4.5.4 Electromagnetic phenomena
- 5.4.6 Pneumatic and/or hydraulic control systems [Go to Page]
- 5.4.6.1 General
- 5.4.6.2 Conditioning
- 5.4.6.3 Pressure or fluid level drops
- 5.5 Thermal safety
- 5.6 Noise
- 5.7 Materials and substances processed, used or exhausted [Go to Page]
- 5.7.1 General
- 5.7.2 Reactive gases
- 5.7.3 Oxygen compressors
- 5.7.4 Acetylene compressors
- 5.7.5 Compressors for H2S containing gases
- 5.7.6 Nitrogen and other inert gases
- 5.7.7 Access closures to process gas containing parts
- 5.7.8 Compressor shaft seal systems
- 5.7.9 Static seals (Gaskets) for piping
- 5.7.10 Micro-organisms, biological and microbiological substances [Go to Page]
- 5.7.10.1 Condensate
- 5.7.10.2 Water injected compressor units
- 5.7.11 Compressors units driven by internal combustion engines
- 5.8 Fire and explosion [Go to Page]
- 5.8.1 General
- 5.8.2 Electrostatic phenomena
- 5.8.3 Oil-flooded rotary compressor units
- 5.8.4 Oil-lubricated reciprocating process compressor units
- 5.8.5 Compressor units driven by internal combustion engines
- 5.9 Ergonomic principles [Go to Page]
- 5.9.1 General
- 5.9.2 Manual handling of compressor units and parts
- 5.9.3 Portable and skid-mounted compressor units
- 5.10 Integrity of machinery parts and other functional requirements [Go to Page]
- 5.10.1 Generally applicable
- 5.10.2 Snow, wind and seismic loads
- 5.10.3 Break-up during operation
- 5.10.4 Low temperature operation
- 5.10.5 Liquid shock
- 5.10.6 Coolant system [Go to Page]
- 5.10.6.1 General
- 5.10.6.2 Application of pressure limiting devices at the cooling medium
- 5.10.6.3 Compressor units driven by internal combustion engines
- 5.10.7 Process gas temperature rise
- 5.10.8 Turbo compressor
- 5.11 Pressure limiting devices [Go to Page]
- 5.11.1 General
- 5.11.2 Installation of pressure limiting devices
- 5.11.3 Design specifications of pressure relief devices
- 5.11.4 Multi stage compressor units
- 5.11.5 Single and multi stage turbo compressors
- 5.12 Information and warning devices
- 6 Verification of safety requirements and/or protective measures [Go to Page]
- 6.1 Pressure testing [Go to Page]
- 6.1.1 General
- 6.1.2 Acetylene compressors
- 6.2 Leak tightness test for hazardous gases
- 6.3 Test of electrical loops
- 6.4 Test of control systems
- 6.5 Noise [Go to Page]
- 6.5.1 General
- 6.5.2 Sound power level of compressors used outdoors
- 6.6 Stability of portable compressor units
- 6.7 Structure of verification
- 7 Information for use [Go to Page]
- 7.1 General requirements
- 7.2 Accompanying documents [Go to Page]
- 7.2.1 Instruction handbook (Operating Manual) [Go to Page]
- 7.2.1.1 General
- 7.2.1.2 Data plate information
- 7.2.1.3 General description of the compressor/compressor unit (in principle)
- 7.2.1.4 Information relating to transportation and storage of the compressor/compressor unit
- 7.2.1.5 Information relating to installation and commissioning of the compressor/compressor unit
- 7.2.1.6 Information related to the intended use of the compressor/compressor unit
- 7.2.1.7 Information on regular maintenance
- 7.2.1.8 Information related to the residual risks of the use of the compressor/compressor unit
- 7.2.1.9 Information relating to the safety related controls of the compressor/compressor unit
- 7.2.1.10 Noise
- 7.2.1.11 Portable and skid-mounted compressor units
- 7.2.2 Service instructions [Go to Page]
- 7.2.2.1 General
- 7.2.2.2 Precautions for service/maintenance
- 7.2.3 Dismantling
- 7.2.4 Qualification
- 7.3 Markings, signs and written warnings [Go to Page]
- 7.3.1 Generally applicable
- 7.3.2 Compressor unit enclosures
- 7.3.3 Portable and skid-mounted compressor units
- 7.3.4 Markings (in particular, data plate) [Go to Page]
- 7.3.4.1 Generally applicable
- 7.3.4.2 Portable and skid-mounted compressors
- Annex A (informative)Graphical symbols
- Annex B (informative)Measure to ensure a safety function while testing a safety device (example) [Go to Page]
- B.1 Shutdown Override Switches
- B.2 Monitoring
- Annex C (informative)Guide to the application of current standards to the functional safety on safety related control of process compressors or compressor units [Go to Page]
- C.1 Introduction
- C.2 Scope
- C.3 Standard and code references
- C.4 Standard abbreviations
- C.5 Risk reduction process and functional safety
- C.6 Relationship between EN 1012-3 and the standards for functional safety
- C.7 Process of functional safety [Go to Page]
- C.7.1 General
- C.7.2 Risk Assessment [Go to Page]
- C.7.2.1 General
- C.7.2.2 Severity of the unwanted event – Parameter S
- C.7.2.3 Probability of presence – Parameter F
- C.7.2.4 Probability of the unavoidability of the unwanted event considering the vulnerability – AV
- C.7.2.5 Probability of the occurrence of the unwanted event – Parameter W
- C.7.2.6 Risk reduction factor
- C.7.2.7 Application of the risk graph on low demand mode of operation
- C.7.3 Allocation of safety function to protection layers
- C.7.4 Safety Requirements Specification
- C.7.5 Design and engineering
- C.7.6 Installation commissioning and validation [Go to Page]
- C.7.6.1 General
- C.7.6.2 Installation and commissioning
- C.7.6.3 Validation
- C.7.7 Verification
- C.7.8 Assessment of functional safety
- C.8 Risk assessment of compressor and auxiliary system
- C.9 Responsibilities [Go to Page]
- C.9.1 End user and manufacturer
- C.9.2 Compressor or compressor unit manufacturer
- C.9.3 Example 1, using EN 61508, EN 61511 [Go to Page]
- C.9.3.1 General
- C.9.3.2 Using of calibrated risk graph
- C.9.3.3 SIL evaluation as per EN 61511/EN 61508
- C.9.4 Example 2, using EN 61508, EN 61511
- Annex ZA (informative)Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC [Go to Page]