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fermer ce livreA Guide to the Development of on-site Sanitation (WHO; 1992; 246 pages)
Afficher le documentPreface
ouvrir ce répertoire et afficher son contenuPart I. Foundations of sanitary practice
ouvrir ce répertoire et afficher son contenuPart II. Detailed design, construction, operation and maintenance
fermer ce répertoirePart III. Planning and development of on-site sanitation projects
fermer ce répertoireChapter 9. Planning
Afficher le documentThe demand for sanitation
Afficher le documentProject definition
Afficher le documentBackground information
Afficher le documentComparison and selection of systems
ouvrir ce répertoire et afficher son contenuChapter 10. Institutional, economic and financial factors
ouvrir ce répertoire et afficher son contenuChapter 11. Development
Afficher le documentReferences
Afficher le documentSelected further reading
Afficher le documentGlossary of terms used in this book
Afficher le documentAnnex 1. Reuse of excreta
Afficher le documentAnnex 2. Sullage
Afficher le documentAnnex 3. Reviewers
Afficher le documentSelected WHO publications of related interest
Afficher le documentBack Cover

Chapter 9. Planning

Many methods are used to provide or improve on-site sanitation. At one extreme, a project may involve detailed documentation (Grover, 1983) using the "project cycle" approach. At the other extreme, sanitation advances when individual householders build their own improved latrines, often because they have seen similar latrines built by neighbours. Many projects and programmes for improving sanitation lie between these extremes. Planning involves consideration of the local situation leading to selection of suitable types of sanitation. Designs are prepared and construction follows. On completion, and sometimes at intermediate stages, evaluation takes place.

With some projects, the form of planning and development is laid down by procedures which must be rigidly followed if external funds are to be released. However, in many successful programmes, development depends on the action of householders. Planning then leads to selection of appropriate forms of sanitation. Householders may be encouraged to adopt the selected types of sanitation by health education programmes, by technical or material support, or by other measures. The ways in which the different stages of planning and development may be regarded at various levels are shown in Table 9.1.

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