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BS ISO 30500:2018

BS ISO 30500:2018

$215.11

Non-sewered sanitation systems. Prefabricated integrated treatment units. General safety and performance requirements for design and testing

Published By Publication Date Number of Pages
BSI 2018 100
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This document specifies general safety and performance requirements for design and testing as well as sustainability considerations for non-sewered sanitation systems (NSSS). A NSSS, for the purposes of this document, is a prefabricated integrated treatment unit, comprising frontend (toilet facility) and backend (treatment facility) components that

  1. collects, conveys, and fully treats the specific input within the system, to allow for safe reuse or disposal of the generated solid, liquid, and gaseous output, and

  2. is not connected to a networked sewer or networked drainage systems.

This document is applicable to sanitation systems that are either manufactured as one package, or manufactured as a set of prefabricated elements designed to be assembled in one location without further fabrication or modification that influences the system function. The plane or surface (e.g. flooring, concrete pad) upon which a fully assembled NSSS is situated is beyond the scope of this document. This document is not applicable to sanitation systems constructed in situ.

This document also covers NSSS backend components that are designed to be integrated with one or more specified frontends.

Although this document is primarily applicable to the development of sanitation systems that are not connected to water and electricity networks, it can also be applied to systems that can utilize water mains and/or electricity.

This document defines the basic treatable input as primarily human excreta and gives options for extending the range of input substances. Requirements for the quality of the outputs from the sanitation system are given for solid and liquid discharges as well as odour, air, and noise emissions.

It contains criteria for the safety, functionality, usability, reliability, and maintainability of the system, as well as its compatibility with environmental protection goals.

This document does not encompass the following aspects:

  • guidelines for selection, installation, operation and maintenance, and management of sanitation systems;

  • transportation of treated output outside of the sanitation system (e.g. manual transport, transportation by truck or trunk pipes) for further processing, reuse, or disposal;

  • treatment processes taking place at another location separate from that of the frontend and backend components;

  • reuse and disposal of sanitation system output.

PDF Catalog

PDF Pages PDF Title
2 National foreword
8 Foreword
9 Introduction
11 1 Scope
2 Normative references
12 3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.1.1 System structure
13 3.1.2 System inputs and outputs
14 3.1.3 System safety and integrity
15 3.1.4 System use and impact
16 3.2 Abbreviated terms
17 4 General requirements
4.1 User requirements
4.2 Metric system
4.3 Design capacity
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
18 4.3.6 Operability following short-term shut down
4.3.7 Operability following long-term shut down
4.3.8 Continuous use
4.3.9 Safe state
4.4 Performance requirements
4.4.1 General
4.4.2 Solid output and effluent requirements
4.4.3 Odour emissions requirements
19 4.4.4 Noise requirements
4.4.5 Air emissions requirements
4.5 Expected design lifetime
4.6 Aspirational and ergonomic design
4.7 Secure design
4.8 Operating conditions
4.8.1 Ambient temperature range
4.8.2 Ambient air humidity
20 4.8.3 Atmospheric pressure
4.9 Requirements for sanitation system components
4.9.1 General
4.9.2 Hygienic design
4.9.3 Tightness
4.9.4 Cleanability of surfaces
21 4.9.5 Chemical and biological additives
4.10 Material requirements
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
4.12.1 Safety of edges, angles, and surfaces
22 4.12.2 Fire and explosion protection
4.12.3 Structural integrity
4.12.4 Prevention of contact with unsafe effluent and reuse
4.12.5 Underground systems
23 4.12.6 External impacts
4.13 Information and marking
4.13.1 Information and warnings
4.13.2 Marking and labelling
24 4.14 Maintenance
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
25 4.14.4 Tools and devices
4.14.5 User manual
4.14.6 Handling and transport of the sanitation system
5 Technical requirements
5.1 Safety assessment
5.2 Operational requirements
5.2.1 General
26 5.2.2 Intentional starting of sanitation system operation
5.2.3 Intentional stopping of sanitation system operation
5.2.4 Emergency stop
5.3 Reliability and safety requirements for energy supply
5.3.1 Security of energy supply
5.3.2 Safety requirements for electrical energy supply
27 5.3.3 Safety requirements for non-electrical primary energy supply
5.4 Mechanical requirements
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
5.5.1 High temperatures of parts and surfaces
28 5.5.2 Low temperatures of parts and surfaces
5.5.3 Other radiation emissions
5.6 Electrical and electronic equipment
5.6.1 Safety and reliability of electrical and electronic equipment
5.6.2 Control system
29 5.6.3 Safety-related function of the control system
5.7 Reliability of conveyance devices
5.8 Transitions from the backend
6 Additional requirements for the frontend
6.1 General
6.2 Use and operation
6.2.1 General usability requirements
30 6.2.2 Requirements for ease of cleaning
6.2.3 Requirements for ease of operation
6.2.4 Cultural requirements
31 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
32 7 Performance testing
7.1 General testing requirements
7.2 Controlled laboratory testing
7.2.1 General
7.2.2 Assembly, installation, operation, and maintenance
33 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
36 7.2.8 Loading pattern
7.2.9 Performance requirements during laboratory testing
40 7.3 Field verification of performance
7.3.1 General
41 7.3.2 Class 1 sanitation systems
7.3.3 Class 2 and Class 3 sanitation systems
42 8 Sustainability
8.1 General
8.2 Recovery of nutrients
8.3 Water consumption and reuse of effluent
8.3.1 Calculations
8.3.2 Water consumption
8.3.3 Reuse of effluent
8.4 Energy consumption and energy recovery
8.4.1 Calculations
43 8.4.2 Energy consumption
8.4.3 Direct and indirect energy recovery
8.5 Life cycle assessment
8.6 Recurring operational requirements
45 Annex A (normative) Test methods and additional testing requirements
78 Annex B (normative) Risk assessment and list of significant hazards
84 Annex C (normative) User manuals
87 Annex D (informative) Sustainability measures
89 Annex E (informative) Design considerations
93 Annex F (informative) Health and environment parameters — Notes and references
95 Bibliography

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BS ISO 30500:2018
$215.11