Acknowledgments |
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xiii | |
Acronyms and Abbreviations |
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xv | |
Units |
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xvii | |
Executive Summary |
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xix | |
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1 Introduction: Sustainable Construction |
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1 | (12) |
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1.1 Introduction: Sustainable Construction in the Developing World |
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1 | (4) |
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1.1.1 Sustainable construction |
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1 | (1) |
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1.1.2 Benefits of sustainable construction |
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2 | (1) |
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1.1.3 Water aspects of sustainable construction |
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2 | (2) |
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1.1.4 Critical situation in developing countries |
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4 | (1) |
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5 | (2) |
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5 | (1) |
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1.2.2 Overview of approach |
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6 | (1) |
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1.2.3 Case Studies in Kenya and Panama |
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6 | (1) |
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1.3 Current State of Water Resources |
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7 | (1) |
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1.4 Water Resources and Climate Change |
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7 | (3) |
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10 | (3) |
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2 Background: Water Aspects of Sustainable Buildings |
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13 | (14) |
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2.1 Introduction: Water Aspects of Sustainable Buildings |
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13 | (1) |
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2.2 Water Quality Indicators |
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14 | (3) |
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2.2.1 Description of indicators |
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14 | (1) |
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2.2.2 Water quality standards |
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15 | (2) |
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2.3 Rainwater Harvesting in Developing Countries |
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17 | (9) |
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2.3.1 Biological contamination |
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20 | (1) |
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2.3.1.1 Insect vector breeding |
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20 | (1) |
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2.3.1.2 Microbiological contamination |
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21 | (1) |
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2.3.1.3 Chemical contamination |
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22 | (1) |
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2.3.2 Reducing contamination |
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22 | (2) |
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24 | (1) |
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2.3.4 Advantages and disadvantages of RWH |
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24 | (1) |
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2.3.5 Structural and economic aspects |
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25 | (1) |
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26 | (1) |
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3 Background: Wastewater Aspects of Sustainable Buildings |
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27 | (16) |
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3.1 Introduction: Wastewater Aspects of Sustainable Buildings |
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27 | (1) |
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3.2 Wastewater Systems Presented in Panama Case Study |
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28 | (7) |
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3.2.1 Septic tank systems |
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28 | (2) |
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3.2.2 Wastewater stabilization ponds |
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30 | (2) |
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32 | (1) |
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3.2.4 Constructed wetlands |
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32 | (3) |
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3.3 Wastewater Systems Presented in Kenya Case Study |
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35 | (7) |
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3.3.1 Ecological sanitation (EcoSan) |
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35 | (1) |
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3.3.1.1 Greywater and blackwater |
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36 | (1) |
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37 | (1) |
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37 | (1) |
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38 | (1) |
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3.3.2.1 Dry, double-vault urine-diversion toilet |
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38 | (1) |
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3.3.2.2 Example: Urine diversion system in South Africa |
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39 | (1) |
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3.3.2.3 Fossa Alterna (FA-type) and Arbour Loo (AL-type) |
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39 | (1) |
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3.3.2.4 Example from Mozambique |
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39 | (1) |
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3.3.2.5 Example from Zimbabwe |
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40 | (2) |
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42 | (1) |
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4 Panama Site and Water Management Practices: The Smithsonian Tropical Research Institute Sustainable Building in Bocas Del Toro |
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43 | (34) |
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4.1 Introduction: Panama Site and Water Management Practices |
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43 | (1) |
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4.2 Description of Study Area and Stri Building |
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44 | (3) |
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4.3 Potable Water and Wastewater in Bocas Del Toro |
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47 | (3) |
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4.3.1 Municipal potable water in Bocas del Toro |
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47 | (1) |
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4.3.2 Municipal wastewater treatment in Bocas del Toro |
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48 | (2) |
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4.4 Water Management at Stri |
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50 | (25) |
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4.4.1 Rainwater collection |
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50 | (1) |
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4.4.1.1 Situation before January 2006 |
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50 | (3) |
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4.4.1.2 Rainwater harvesting system |
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53 | (8) |
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4.4.2 Potable water treatment |
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61 | (6) |
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4.4.3 Wastewater treatment |
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67 | (1) |
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4.4.3.1 Current situation |
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67 | (1) |
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4.4.3.2 Wastewater stabilization pond/constructed wetland plan |
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67 | (7) |
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4.4.4 Water conservation methods |
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74 | (1) |
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75 | (2) |
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5 Water Quality Testing at Panama Site: The Smithsonian Tropical Research Institute Sustainable Building in Bocas Del Toro |
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77 | (14) |
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5.1 Introduction: Water Quality Testing at Panama Site |
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77 | (8) |
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5.1.1 Rainwater harvesting water quality experiment |
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77 | (1) |
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5.1.2 Sampling sites and sample collection |
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78 | (2) |
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80 | (1) |
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81 | (1) |
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81 | (1) |
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5.1.4.2 Total suspended solids (TSS) |
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81 | (1) |
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5.1.4.3 Total and fecal coliform test |
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81 | (1) |
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5.1.5 Hach methods (Hach DR/890 Colorimeter) |
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82 | (1) |
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5.1.5.1 Precision and detection limit |
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82 | (1) |
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5.1.5.2 Color, true and apparent |
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83 | (1) |
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84 | (1) |
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84 | (1) |
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84 | (1) |
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84 | (1) |
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5.2 Rainwater Harvesting Experiment Results |
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85 | (4) |
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85 | (2) |
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5.2.2 Results for all other parameters |
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87 | (2) |
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89 | (2) |
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6 Kenya Site and Water Management Practices: The Village Homes Near the Mpala Research Centre Laikipia, Kenya |
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91 | (30) |
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6.1 Introduction: Kenya Site and Water Management Practices |
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91 | (1) |
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6.2 Description of Kenyan Climate and Water Resources |
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92 | (4) |
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6.3 Description of Study Area |
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96 | (2) |
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6.4 Water Management in Laikipia Near the Mpala Research Centre |
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98 | (20) |
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6.4.1 Mpala Research Centre (MRC) |
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98 | (1) |
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98 | (4) |
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6.4.1.2 Wastewater at MRC |
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102 | (2) |
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6.4.2 Permanent village near MRC |
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104 | (3) |
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107 | (4) |
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111 | (7) |
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118 | (3) |
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7 Water Quality Testing at Kenya Site: The Village Homes Near the Mpala Research Centre Laikipia, Kenya |
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121 | (10) |
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7.1 Introduction: Water Quality Testing at Kenya Site |
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121 | (1) |
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7.2 Rainwater Harvesting Water Quality Experiment |
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122 | (4) |
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7.2.1 Sampling sites and sample collection |
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122 | (3) |
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125 | (1) |
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125 | (1) |
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7.3 Rainwater Harvesting Experiment Results |
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126 | (4) |
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7.3.1 Ministry of the Environment and Natural Resources of Kenya study |
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126 | (1) |
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126 | (2) |
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7.3.3 Results for all other parameters |
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128 | (2) |
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130 | (1) |
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8 Rainwater Harvesting Design: The Village Homes Near the Mpala Research Centre Lalkipia, Kenya |
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131 | (24) |
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8.1 Introduction: Rainwater Harvesting Design |
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131 | (1) |
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8.2 Designing a Rainwater Harvesting System |
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132 | (20) |
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132 | (1) |
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133 | (1) |
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8.2.3 Storage tank volume |
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134 | (1) |
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8.2.3.1 Rainwater supply from buildings averaged over a year |
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134 | (2) |
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8.2.3.2 Designing storage tank size |
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136 | (6) |
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8.2.4 Building materials for storage tank and gutter |
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142 | (1) |
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8.2.5 Designing the gutter |
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143 | (1) |
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143 | (2) |
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145 | (1) |
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146 | (1) |
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8.2.5.4 Pipes for gutter connection to storage tank |
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146 | (1) |
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8.2.6 Technology to prevent and treat the contamination of rainwater |
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147 | (1) |
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148 | (1) |
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8.2.6.2 First-flush devices |
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148 | (1) |
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148 | (1) |
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149 | (1) |
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8.2.6.5 Boiling, chlorination, and solar treatment |
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150 | (2) |
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152 | (1) |
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152 | (3) |
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9 Policy Considerations and Conclusions |
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155 | (18) |
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9.1 Introduction: Policy Considerations and Conclusions |
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155 | (1) |
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9.2 Similarities and Differences Between Case Studies |
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156 | (1) |
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156 | (1) |
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157 | (1) |
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9.3 Region-Specific Considerations |
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157 | (4) |
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9.3.1 Issues for dry climates |
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157 | (4) |
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9.3.2 Issues for wet climates |
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161 | (1) |
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9.4 Feasible Low Cost Technologies |
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161 | (1) |
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9.5 Policies That Encourage Sustainable Building Water Practices |
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161 | (12) |
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162 | (4) |
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166 | (1) |
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167 | (1) |
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9.5.3 Policy recommendations |
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168 | (5) |
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173 | (8) |
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181 | (38) |
Subject Index |
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219 | |