Description
Contents
Introduction………………………………………………………………………………………………………………………………………….. 6
1 Scope………………………………………………………………………………………………………………………………………………… 8
2 Normative references…………………………………………………………………………………………………………………………. 8
3 Terms, definitions and abbreviated terms……………………………………………………………………………………………. 9
3.1 Terms and definitions………………………………………………………………………………………………………………………. 9
3.2 Abbreviated terms…………………………………………………………………………………………………………………………… 12
4 General requirements………………………………………………………………………………………………………………………… 13
4.1 User requirements…………………………………………………………………………………………………………………………… 13
4.2 Metric system.. ………………………………………………………………………………………………………………………………….13
4.3 Design capacity………………………………………………………………………………………………………………………………… 13
4.4 Performance requirements………………………………………………………………………………………………………………… 14
4.5 Expected design lifetime……………………………………………………………………………………………………………………. 15
4.6 Aspirational and ergonomic design.,………………………………………………………………………………………………….. 15
4.7 Secure design………………………………………………………………………………………………………………………………….. 15
4.8 Operating conditions…………………………………………………………………………………………………………………………. 15
4.9 Requirements for sanitation system components…………………………………………………………………………………. 15
4.10 Material requirements……………………………………………………………………………………………………………………….. 16
4.11 Connections and joining elements……………………………………………………………………………………………………… 17
4.12 General safety design requirements……………………………………………………………………………………………………. 17
4.13 Information and marking…………………………………………………………………………………………………………………… 18
4.14 Maintenance. ……………………………………………………………………………………………………………………………………..19
5 Technical requirements…………………………………………………………………………………………………………………………… 20
5.1 Safety assessment …………………………………………………………………………………………………………………………………20
5.2 Operational requirements……………………………………………………………………………………………………………………… 21
5.3 Reliability and safety requirements for energy supply……………………………………………………………………………… 21
5.4 Mechanical requirements……………………………………………………………………………………………………………………… 22
5.6 Electrical and electronic equipment ……………………………………………………………………………………………………….23
5.7 Reliability of conveyance devices…………………………………………………………………………………………………………… 24
5.8 Transitions from the backend………………………………………………………………………………………………………………… 24
6 Additional requirements for the frontend………………………………………………………………………………………………….. 24
6.1 General ………………………………………………………………………………………………………………………………………………..24
6.2 Use and operation………………………………………………………………………………………………………………………………… 24
6.3 Visibility of faeces…………………………………………………………………………………………………………………………………. 25
6.4 Evacuation performance………………………………………………………………………………………………………………………. 25
6.5 Integrity against external impacts. ………………………………………………………………………………………………………..26
6.6 Slipping, tripping or falling………………………………………………………………………………………………………………….. 26
6.7 Water seal …………………………………………………………………………………………………………………………………………..26
7 Performance testing……………………………………………………………………………………………………………………………….. 26
7.1 General testing requirements………………………………………………………………………………………………………………. 26
7.2 Controlled laboratory testing………………………………………………………………………………………………………………. 27
7.3Field verification of performance………………………………………………………………………………………………………… 35
8 Sustainability………………………………………………………………………………………………………………………………….. 36
8.1 General…………………………………………………………………………………………………………………………………………… 36
8.2 Recovery of nutrients. ……………………………………………………………………………………………………………………….36
8.3Water consumption and reuse of effluent…………………………………………………………………………………………….. 36
8.4 Energy consumption and energy recovery………………………………………………………………………………………………. 37
8.5 Life cycle assessment…………………………………………………………………………………………………………………………. 37
8.6 Recurring operational requirements…………………………………………………………………………………………………… 38
Annex A…………………………………………………………………………………………………………………………………………………….. 39
Test methods and additional testing requirements………………………………………………………………………………………. 39
A.1 General …………………………………………………………………………………………………………………………………………………39
A.2 Type tests…………………………………………………………………………………………………………………………………………….. 39
A.2.1 Tests to be conducted………………………………………………………………………………………………………………………… 39
A.2.2 Testing documentation………………………………………………………………………………………………………………………. 39
Annex B……………………………………………………………………………………………………………………………………………………… 69
Annex C………………………………………………………………………………………………………………………………………………………. 76
Annex D……………………………………………………………………………………………………………………………………………………….. 79
Annex E………………………………………………………………………………………………………………………………………………………… 82
Annex F………………………………………………………………………………………………………………………………………………………… 85
Bibliography…………………………………………………………………………………………………………………………………………………. 87