< previous page	page_v	next page >
Page v Contents Preface ix Contributors xi 1 Global Needs and Developments in Urban Sanitation 1 1.1 The Problems 1 1.2 International Initiatives to Improve Sanitation Coverage 4 1.3 Initiatives by Bilateral Aid Donors 7 1.4 Initiatives at Country Level 9 1.5 Conclusions 11 1.6 References 11 2 Unconventional Sewerage Systems: Their Role in Low-cost Urban Sanitation 13 2.1 Introduction 13 2.2 On-site or Off-site Sanitation? 14 2.3 References 18 3 Selecting Communities for Sewerage 19 3.1 Introduction 19 3.2 Criteria Affecting the Selection of Sewerage Schemes 20 3.3 Numerical Analysis of Need and Viability Criteria 25 3.4 Conclusions 31 3.5 References 32 4 Low-cost Sewerage Systems in South Asia 33 4.1 Introduction 33 4.2 Standards 38 4.3 Construction Details and Procedures 52 4.4 Community Involvement in Sewer Planning Construction 59 4.5 Local Sewerage in Context 65 4.6 Conclusions 69 4.7 References 70 5 Operation of Sewer Systems in Ghana 73 5.1 Introduction 73
< previous page	page_v	next page >