eLibrary >
BS ISO 20854:2019 Thermal containers. Safety standard for refrigerating systems using flammable refrigerants. Requirements for design and operation >
Expand All
TOC Search:
BS ISO 20854:2019 Thermal containers. Safety standard for refrigerating systems using flammable refrigerants. Requirements for design and operation, 2019
- undefined
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols and abbreviated terms
- 5 Safety requirements for the design of container refrigerating systems
- 5.1 General
- 5.2 Significant hazards of the refrigerating system
- 5.3 Safety concept for container refrigerating systems
- 5.3.1 General
- 5.3.2 Operational mode risk assessment
- 5.3.3 Tolerable risk
- 5.3.4 Flammable refrigerants
- 5.3.5 Protection against hazards
- 5.3.6 Validation of safety concept and protective devices
- 6 Design and construction of the refrigerating system
- 6.1 General
- 6.2 Components and piping of refrigerating systems with flammable refrigerant
- 6.2.1 General
- 6.2.2 Components
- 6.2.3 External fire relief device
- 6.3 Assemblies
- 6.3.1 General
- 6.3.2 Components and joints
- 6.4 Interior of the thermal container
- 6.4.1 General
- 6.4.2 Ventilation inside the container
- 6.4.3 Refrigerant detectors
- 6.4.4 Protection against hot surfaces
- 6.4.5 Electrical components
- 6.5 Outside electrical cabinet
- 6.6 Refrigerant charge
- 6.7 Alarm system
- 6.7.1 General
- 6.7.2 Alarm system power
- 6.8 Testing
- 6.8.1 General
- 6.8.2 Protective device test
- 6.8.3 Vibration type-test
- 6.8.4 Shock and impact type test
- 6.8.5 Production test
- 6.9 Marking and documentation
- 6.9.1 General
- 6.9.2 Marking
- 6.9.3 Manuals and documentation
- 6.10 Certification
- 7 Design related requirements of the MRU manufacturer for safe service, maintenance, repair
- 7.1 Education and training
- 7.2 Safety instructions
- 7.3 Testing before operation
- 7.4 Maintenance and repair
- 8 General recommendations at operating sites
- 9 Safe operation at different operating sites
- 9.1 General
- 9.2 Operating sites
- 9.3 Significant hazards
- 9.4 Ventilating condition at operating sites
- 9.4.1 Requirements for operation in open air
- 9.4.2 Requirements for operation in well-ventilated areas
- 9.4.3 Requirements for operation in non-well-ventilated areas
- 9.4.4 Container operation in non-ventilated areas
- 9.5 Requirements for opening of container door and for packing and un-packing of goods
- 9.6 Electrical installations at operating sites
- 9.7 Operator instruction for handling of alarms
- 9.8 Accidents
- 9.8.1 Measures for accidents prevention
- 9.8.2 Measures after accidents
- 9.9 Operating instructions, manuals, guidelines at operating sites
- 9.10 Information in the manual related to operating sites
- 10 Servicing recommendations and requirements at operating sites
- 10.1 Operating sites with service activities
- 10.2 General
- 10.2.1 Instruction of personnel
- 10.2.2 General failure prevention
- 10.3 Repair and maintenance on the container structure
- 10.4 Repair and maintenance on the MRU including opening of the refrigerating system
- 10.4.1 General
- 10.4.2 Instruction of personnel
- 10.4.3 Work area requirements
- 10.4.4 Inspection
- 10.4.5 System failures
- 10.4.6 Actions and procedure for repair and opening of the refrigerating system
- 10.4.7 Tools and equipment
- 10.4.8 Testing after repair
- 10.4.9 Failure prevention for repair and opening of the refrigerating system
- 10.4.10 Documentation
- 10.5 Handling, recovery, reuse and disposal of refrigerant
- 11 Decommissioning of the container refrigerating system
- Annex A (informative) Definition of control volumes
- Annex B (informative) Description of mechanisms to reduce risk
- Annex C (normative) Information on leak types and leak mass flow
- Annex D (normative) Useful equations for the calculation of ventilation environment
- Bibliography [Go to Page]
