Costing Improved Water Supply Systems for Low-Income Communities : A Practical Manual.

Cover -- Copyright -- Contents -- List of figures -- Downloads -- About the authors -- Foreword -- Preface -- Acknowledgements -- Chapter 1: Background and objectives -- 1.1 Water and Health -- 1.1.1 The United Nations Millennium Development Goals -- 1.1.2 Health benefits of safe water and basic sanitation -- 1.1.3 Previous WHO work -- 1.2 Social Valuation of Water Supply Projects -- 1.3 Costing Method -- 1.4 Target Audience -- Chapter 2: Conceptual framework -- 2.1 Identifying Locally Appropriate Technologies -- 2.2 Costing A Drinking-Water Supply Technology -- Chapter 3: Improved drinking-water supply technologies for low-income communities -- 3.1 Drinking-Water Supply Systems -- 3.2 Objectives of Drinking-Water Supply -- 3.3 Improved Drinking-Water Supply Technologies -- Chapter 4: Locally appropriate technologies -- 4.1 Concept of Locally Appropriate Technology -- 4.2 Criteria for the Identification of Constraints and Risks -- 4.2.1 Technical constraints -- 4.2.2 Environmental and social constraints -- 4.3 Assessment of Water Supply Needs -- 4.4 Selection of Locally Appropriate Water Supply Technologies -- Chapter 5: Costing method -- 5.1 Rationale and Issues -- 5.2 Typology of Costs -- 5.2.1 Investment costs -- 5.2.2 Operation and maintenance costs -- 5.2.3 Other recurrent costs -- 5.3 Sources of Data on Costs -- 5.4 Costing Questionnaires -- 5.5 Social Costing of Water Supply Projects -- 5.5.1 Principles of social costing -- 5.5.2 Inclusion of all relevant costs -- 5.5.3 Estimating competitive market prices of resources -- 5.5.4 Computing cost indicators for least-cost analyses -- 5.5.5 Designing service growth during the life-cycle of the water supply project -- Chapter 6: Costing implementation -- 6.1 The Process of Costing a Water Supply Project -- 6.2 The Water Supply Costing Processor (WSCP) -- 6.3 An Introduction to the Use of WSCP.

6.3.1 Selecting the technology and designing the use of the water supply project -- 6.3.2 A practical example of applying the WSCP -- 6.3.2.1 Displaying the project scenario -- 6.3.2.2 Identifying and quantifying the resources invested in a water supply project -- 6.3.2.2.1 The Investment costs spreadsheets -- 6.3.2.2.2 The Maintenance costs and Operation costs spreadsheets -- 6.3.2.2.3 The Other recurrent costs spreadsheet -- 6.3.2.3 Pricing the resources invested in a water supply project -- 6.3.2.4 Displaying the costing of the water supply project -- Annex I: Drinking-water supply technologies -- I.1 I ntroduction -- I.2 Water Sources -- I.2.1 Groundwater sources -- I.2.2 Surface water sources -- I.2.3 Regional supply -- I.2.4 Combined use -- I.3 Water Collection Technologies -- I.3.1 Catchment systems -- I.3.2 Wells -- I.3.3 Intakes -- I.3.4 Fact sheets -- I.3.4.1 Catchment systems -- I.3.4.2 Wells -- I.3.4.3 Intakes -- I.4 Water Conveyance Technologies -- I.4.1 Pumps -- I.4.1.1 Classification of pumps -- I.4.1.2 Selection of pumps -- I.4.2 Power systems -- I.4.3 Fact sheets -- I.4.3.1 Pumps and lifting devices -- I.4.3.2 Power systems -- I.5 Water Treatment Technologies -- I.5.1 Treatment of groundwater -- I.5.2 Treatment of surface water -- I.5.3 Fact sheets -- I.5.3.1 Household water treatment systems -- I.5.3.2 Central water treatment systems -- I.6 Water Storage Systems -- I.6.1 Storage reservoirs -- I.6.2 Fact sheets -- I.7 Water Distribution Systems -- I.7.1 Distribution networks -- I.7.2 Fact sheets -- Annex II: Project questionnaires -- II .1 Project Scenario Questionnaire -- II .2 Technical Questionnaire -- II .3 Socioeconomic Questionnaire -- Annex III: Inputs of improved water supply technologies -- III .1 Piped Water into Dwelling, Plot or Yard -- III .2 Public Tap or Standpipe -- III .3 Tube well or borehole.

III .4 Protected Dug Well -- III .5 Protected Spring -- III .6 Rainwater collection -- Annex IV: Costing questionnaires -- IV.1 Investment Costs -- IV.2 Maintenance Costs -- IV.3 Operation Costs -- IV.4 Other recurrent Costs -- Annex V: Time profiles of a beta distribution function -- Annex VI: Costing case studies in Peru -- VI.1 Objectives -- VI.2 Method -- VI.3 Costing Information -- VI.3.1 Investment costs -- VI.3.2 Recurrent costs -- VI.4 Technical and Socioeconomic Information -- VI.5 Case Study 1: Rural Potable Water System in Bellavista, Cajamarca -- VI.5.1 General information about the project -- VI.5.2 Description of the system -- VI.5.3 Lifetime of the system -- VI.5.4 Technical and socioeconomic questionnaires -- VI.5.5 Economic evaluation -- VI.6 Case Study 2: Rural Potable Water System in Guantánamo, San Martín -- VI.6.1 General information about the project -- VI.6.2 Description of the system -- VI.6.3 Lifetime of the system -- VI.6.4 Technical and socioeconomic questionnaires -- References -- Glossary.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.