Project agua pela lagoa

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PROJECT
AGUA PELA LAGOA

August 2008



TABLE OF CONTENTS

I. Why this project ? Our motivations 6
1- Current situation 6
2- Aim of the project 9
3- Project general framework 10
a) Water collecting 11
b) Water distribution 11
c) The system of on-site waste water treatment 12
4- Consequences 13
II. An international team to lead the project 16
1- APCFE:Associação dos produtoresde cacau especial e fino 16
2- Domestic supports 17
a) ABARA: Associação Brasileira de Apoio aos Recursos Ambientais 17
b) MMA: Ministério do Meio Ambiente 17
3- Students and schools participating in the project 18
a) ECN: Ecole Centrale de Nantes (France) 18
b) INSA: Institut National de Sciences Appliquées (France) 18
c) FoA-PG: University of Perugia: Faculty of Agriculture (Italy) 19
d)FTC: Faculdade de Tecnologia e Ciências (Brazil) 19
III. Technical description 20
1- Schedule of conditions 20
a) Demand, nowadays and future situation 20
b) Available flow 21
c) Security and ergonomics 21
2- Global solution 21
3- The water collecting 22
a) State of the spring before our work: 22
b) The barrage and the valve of collecting 23
4- Distribution network 24
a) Conduit fromthe spring to the village 24
b) Alimentation and overflow of the towers 24
c) The water tank tower 25
d) Four distribution networks 27
5- The sewer network 28
IV. Cost 30
V. Annexes 31



ANNEXES

Annex 1 : Study of the ground resistance 34
Annex 2 : Calculating of the barrage 38
Annex 3: Calculation and validation of the networks 39
Annex 4: Plans of the tower built in 2005 57Annex 5: Global budget 61
Annex 5: Detailed budget for the construction of a tower 62
Annex 6: Detailed budget of the red network 63
Annex 7: Detailed budget of the green network 64
Annex 8: Detailed budget of the blue network 65
Annex 9: Detailed budget of the yellow network 66
Annex 10: Detailed budget of the canalization spring-village 67
Annex 11: Detailed budget of the supply and theoverflow network 68
Annex 12: Detailed budget of the construction of the pits 69
Annex 13: Detail of the production of manure 70
Annex 14: Destruction of the bacteria and viruses in Lagoa Encantada and reprocessing of worn water : 71
Annex 15: Source protection…………………………………………………………...80
Annexe 16: The wastewater treatment system................................................................81DOCUMENTS

Document 1 : Map of Brazil 6
Document 2 : Map of the village of LagoaEncantada] 7
Document 3 : Bored pipe in Lagoa Encantada 8
Document 4 : Un-hermetic pipe near the water retaining pool 8
Document 5 : General scheme of the process 10
Document 6: View of the village from the spring 11
Document 7: Map of the future hydraulic network of Lagoa Encantada 11
Document 8: Example ofa septic tank in the farm “Fazenda Vitoria” 12
Document 9 : Pool of fishery given up 14
Document 10: Estimated budget of the production of manure 15
Document 11 : Population of women pyramid in 2005 in Lagoa Encantada 20
Document 12: Map of the future distribution network 21
Document 13: Slope with the tunnel and the flow of water 22
Document 14 : Slope with the tunnel and the overflowchannel 23
Document 15 : Scheme of the future barrage 23
Document 16 : Map of the supply and overflow network 24
Document 17 : Global design of the tower built in 2005 25
Document 18 : Sight of top of the tower built in 2005 25
Document 19: Structure of the four distribution network 27
Document 20: Details of the filter of the septic tank in the farm "Fazenda Vitoria" 28
Document 21: Generalscheme of the sewer system 29
Document 37: Notations for the calculating of the barrage 36
Document 32: Example of a calculation of a canalization 40
Document 33 : Map of the blue network 41
Document 34 : Map of the yellow network 44
Document 35 : Map of the green network 47
Document 36 : Map of red network 50
Document 22: Estimated budget for the construction of one tower 57
Document 24:...
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