 |  | Surface Water Drainage for Low-Income Communities (UNEP - WHO, 1991, 98 p.) |
 |  | (introduction...) |
 |  | Acknowledgements |
 |  | 1. Surface water drainage in urban areas |
 |  | 1.1 The problem |
 |  | 1.2 Health consequences |
 |  | 1.3 Implications for town planning |
 |  | 1.4 The need for collaboration |
 |  | 1.5 Development of a drainage programme |
 |  | 1.6 Selected reading |
 |  | 2. Drainage options |
 |  | 2.1 The drainage hierarchy |
 |  | 2.2 Factors affecting stormwater flows |
 |  | 2.3 Problems of steep slopes |
 |  | 2.4 Problems of flat areas |
 |  | 2.5 Open or closed drains |
 |  | 2.6 Channel design and construction |
 |  | 2.7 Closed drains |
 |  | 2.8 Construction |
 |  | 2.9 Do-it-yourself drainage |
 |  | 2.10 Selected reading |
 |  | 3. Rehabilitation and maintenance |
 |  | 3.1 Causes of drainage failure |
 |  | 3.2 Rehabilitation of existing systems |
 |  | 3.3 Maintenance - technical aspects |
 |  | 3.4 Maintenance - institutional aspects |
 |  | 3.5 Selected reading |
 |  | 4. Community participation |
 |  | 4.1 The need for participation |
 |  | 4.2 Community institutions |
 |  | 4.3 Creating awareness |
 |  | 4.4 A programme of action |
 |  | 4.5 Participation in maintenance |
 |  | 4.6 Selected reading |
 |  | Annex 1. Glossary1 |
 |  | Annex 2. Design calculations |
 |  | Annex 3. Terms of reference for consultants |
 |  | Annex 4. Resources for the orientation of the drainage committee |
 |  | Selected WHO publications of related interest |
 |  | Back cover |