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BS ISO 30500:2025 - TC Tracked Changes. Non-sewered sanitation systems. Prefabricated integrated treatment units. General safety and performance requirements for design and testing, 2025
- A-30498304.pdf [Go to Page]
- undefined
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and abbreviated terms [Go to Page]
- 3.1 Terms and definitions [Go to Page]
- 3.1.1 System components
- 3.1.2 System inputs and outputs
- 3.1.3 System safety and integrity
- 3.1.4 System use and impact
- 3.2 Abbreviated terms
- 4 General requirements [Go to Page]
- 4.1 User requirements
- 4.2 Metric system
- 4.3 Design capacity and operability [Go to Page]
- 4.3.1 Treatable input
- 4.3.2 Treatment capacity
- 4.3.3 Menstrual hygiene products
- 4.3.4 Overload protection
- 4.3.5 Operability following non-usage
- 4.3.6 Operability following short-term shutdown
- 4.3.7 Operability following long-term shutdown
- 4.3.8 Continuous use
- 4.3.9 Safe state
- 4.4 Performance requirements [Go to Page]
- 4.4.1 General
- 4.4.2 Solid output, effluent and recirculated water requirements
- 4.4.3 Odour emissions requirements
- 4.4.4 Noise requirements
- 4.4.5 Air emissions requirements
- 4.5 Expected design lifetime
- 4.6 Ergonomic design
- 4.7 Secure design
- 4.8 Operating conditions [Go to Page]
- 4.8.1 Ambient temperature range
- 4.8.2 Ambient air humidity
- 4.8.3 Atmospheric pressure
- 4.9 Requirements for NSSS components [Go to Page]
- 4.9.1 General
- 4.9.2 Hygienic design
- 4.9.3 Tightness
- 4.9.4 Cleanability of surfaces
- 4.9.5 Chemical and biological additives
- 4.9.6 Requirements for ease of operation
- 4.10 Material requirements [Go to Page]
- 4.10.1 Durability of materials
- 4.10.2 Fire resistance of materials
- 4.11 Connections and joining elements
- 4.12 General safety design requirements [Go to Page]
- 4.12.1 Safety of edges, angles, and surfaces
- 4.12.2 Fire and explosion protection
- 4.12.3 Structural integrity
- 4.12.4 Prevention of hazardous contact with partially treated liquids and reuse
- 4.12.5 Underground systems
- 4.12.6 External impacts
- 4.13 Information and marking [Go to Page]
- 4.13.1 Information and warnings
- 4.13.2 Marking and labelling
- 4.14 Maintenance [Go to Page]
- 4.14.1 Reasonable configuration, adjustment, and maintenance activities
- 4.14.2 Location and access of configuration, adjustment, and maintenance points
- 4.14.3 Discharge and cleaning
- 4.14.4 Tools and devices
- 4.14.5 User manual
- 4.14.6 Handling and transport of the NSSS
- 5 Technical requirements [Go to Page]
- 5.1 Safety assessment
- 5.2 Operational requirements [Go to Page]
- 5.2.1 General
- 5.2.2 Intentional starting of NSSS operation
- 5.2.3 Intentional stopping of NSSS operation
- 5.2.4 Emergency stop
- 5.3 Reliability and safety requirements for energy supply [Go to Page]
- 5.3.1 Security of energy supply
- 5.3.2 Safety requirements for electrical energy supply
- 5.3.3 Safety requirements for non-electrical primary energy supply
- 5.4 Mechanical requirements [Go to Page]
- 5.4.1 Pressurized or vacuum equipment
- 5.4.2 Pipes, hoses and tanks
- 5.4.3 Moving and rotating parts
- 5.4.4 Backflow prevention
- 5.5 Requirements for radiation [Go to Page]
- 5.5.1 High temperatures of parts and surfaces
- 5.5.2 Low temperatures of parts and surfaces
- 5.5.3 Other radiation emissions
- 5.6 Electrical and electronic equipment [Go to Page]
- 5.6.1 Safety and reliability of electrical and electronic equipment
- 5.6.2 Control system
- 5.6.3 Safety-related function of the control system
- 5.6.4 Remote Monitoring
- 5.7 Reliability of conveyance devices
- 5.8 Transitions from the backend
- 6 Additional requirements for the frontend [Go to Page]
- 6.1 General
- 6.2 Use and operation [Go to Page]
- 6.2.1 General usability requirements
- 6.2.2 Accessibility
- 6.2.3 Requirements for ease of cleaning
- 6.2.4 Cultural requirements
- 6.3 Visibility of faeces
- 6.4 Evacuation performance
- 6.5 Integrity against external impacts
- 6.6 Slipping, tripping or falling
- 6.7 Water seal
- 7 Performance testing [Go to Page]
- 7.1 General testing requirements
- 7.2 Controlled laboratory testing [Go to Page]
- 7.2.1 General
- 7.2.2 Assembly, installation, operation, and maintenance
- 7.2.3 Documentation of input
- 7.2.4 Generated output
- 7.2.5 Test observations
- 7.2.6 Laboratory conditions
- 7.2.7 Testing sequence and duration
- 7.2.8 Loading pattern
- 7.2.9 Performance requirements during laboratory testing
- 7.3 Field verification of performance [Go to Page]
- 7.3.1 General
- 7.3.2 Class 1 and Class 4 NSSS
- 7.3.3 Class 2 and Class 3 NSSS
- 8 Sustainability [Go to Page]
- 8.1 General
- 8.2 Recovery of nutrients
- 8.3 Water consumption and recirculated water [Go to Page]
- 8.3.1 Calculations
- 8.3.2 Water consumption
- 8.3.3 Recirculated water
- 8.4 Energy consumption and energy recovery [Go to Page]
- 8.4.1 Calculations
- 8.4.2 Energy consumption
- 8.4.3 Direct and indirect energy recovery
- 8.5 Recurring operational requirements
- 8.6 Life cycle assessment
- Annex A (normative) Test methods and additional testing requirements
- Annex B (normative) Risk assessment and list of significant hazards
- Annex C (normative) User manuals
- Annex D (informative) Sustainability measures
- Annex E (informative) Design considerations
- Annex F (informative) Health and environmental parameters — Notes and references
- Annex G (informative) Remote monitoring
- Annex H (informative) Guidelines for electrically operated spray toilet seat used for frontends of NSSS — comfortability aspects
- Annex I (normative) Alternative feedstocks and characterisation
- Annex J (informative) Summary of parameters declared by manufacturer and parameters tested by third-party laboratory
- Bibliography [Go to Page]
