Description
Contents
Introduction……………………………………………………………………………………………………………………………………. 1
1 Scope………………………………………………………………………………………………………………………………………….. 5
2 Normative references…………………………………………………………………………………………………………………… 6
3 Terms and definitions…………………………………………………………………………………………………………………… 6
4 Objectives…………………………………………………………………………………………………………………………………… 7
4.1 Genera…………………………………………………………………………………………………………………………………….. 7
4.2 Protection of public health……………………………………………………………………………………………………….. 7
4.3 Protection of users and operators…………………………………………………………………………………………….. 8
4.4 Meeting the needs and expectations of users…………………………………………………………………………….. 8
4.5 Provisions of services under normal and emergency situations…………………………………………………… 8
4.6 Sustainability of basic on-site domestic wastewater systems……………………………………………………….. 8
4.7 Promotion of sustainable development of the community…………………………………………………………… 9
4.8 Protection of the environment……………………………………………………………………………………………………. 9
5 Components of basic on-site domestic wastewater systems……………………………………………………………. 9
5.1 General Basic on-site domestic wastewater systems generally comprise……………………………………….: 9
5.2 Basic on-site domestic wastewater systems. ………………………………………………………………………………..10
6 Management of basic on-site domestic wastewater systems…………………………………………………………… 14
6.1 General ……………………………………………………………………………………………………………………………………..14
6.2 Independent management of system function and stakeholder communication…………………………… 14
6.3 Basic management activities. ………………………………………………………………………………………………………15
6.4 Stakeholder relations…………………………………………………………………………………………………………………. 16
6.5 Environmental management………………………………………………………………………………………………………. 17
6.6 Risk management………………………………………………………………………………………………………………………. 18
7 Planning and construction…………………………………………………………………………………………………………….. 20
7.1 Planning and construction of basic on-site domestic wastewater systems……………………………………… 20
7.2 Criteria for selecting appropriate basic on-site domestic wastewater technologies…………………………. 21
7.3 User interface……………………………………………………………………………………………………………………………… 23
7.4 Collection…………………………………………………………………………………………………………………………………… 23
7.5 Transportation. …………………………………………………………………………………………………………………………..24
7.6 Treatment…………………………………………………………………………………………………………………………………. 25
7.7 Disposal/reuse. ……………………………………………………………………………………………………………………………25
8 Operation and maintenance…………………………………………………………………………………………………………. 26
8.1 General ……………………………………………………………………………………………………………………………………..26
8.2 Developing operational plans and instructions……………………………………………………………………………. 27
8.3 Developing maintenance plans and instructions………………………………………………………………………….. 27
8.4 Developing plans and instructions for collection of waste……………………………………………………………… 27
8.5 Developing plans and instructions for transportation of waste……………………………………………………… 28
9 Health and safety issues………………………………………………………………………………………………………………… 28
9.1 Health and safety measures and training……………………………………………………………………………………. 28
9.2 Public health programmes………………………………………………………………………………………………………… 28
Annex A.. Error! Bookmark not defined……………………………………………………………………………………..
Annex B………………………………………………………………………………………………………………………………………….. 30
Bibliography…………………………………………………………………………………………………………………………………….. 60