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HAND DUG WELLS FOR VILLAGES IN UGANDAinto the lake where villagers were drawing water. He was told quite firmly by the villagers that theFisheries Department had told them it was quite acceptable to do this because the fish from the lakewould come in during the night and eat up all the algae laden offal! Walude said he no longer eats fishfrom the lake!If you or your group would like to help 250 people by supporting a Kabarole well please contact John LaRoche Phone/fax 09-5289-759.Email wfs@kiwi.gen.nzhttp://www.lifewater.ca/wfs/wwhdw795.html (3 of 3) [1/13/2005 12:48:48 PM]
Rainwater Reservoirs aboveGround Structuresfor Roof Catchmentby Rolf HasseA Publication of Deutsches Zentrum fürEntwicklungstechnologien -GATEin: Deutsche Gesellschaft für TechnischeZusammenarbeit (GTZ) GmbH - 1989PrefaceThis paper was written in the Botswana village of Romotswa in 1987, the seventh year of drought inSouthern Africa. Romotswa has a history of rainwater catchment. Many of the private buildings aswell as public buildings are equipped with reservoirs, most of them dating from the time beforemunicipal water supply existed. In 1983 a large underground water source was detected here bygeologists. The yield of the drilled wells is of such magnitude that for some time in 1984, the townsof Gaborone, the capital of Botswana, and Lobatse were both supplied with water from Romotswa.During my residence in this little border village in SouthEast Botswana, 30 km away from the capital,I noticed that rainwater catchment had lost momentum as a result of the centralized water supply.Many of the catchment facilities were poorly maintained so that much of the rainwater during therare but heavy downpours was lost due to gutter leaks and/ or dislocated downpipes. At the sametime newly built schools and other public buildings had been equipped with reservoirs which weremuch too small for the huge catchment areas. It became obvious that no calculations and no designfor the systems had been made. Unprofessionally fixed gutters and downpipes were anotherproblem. It should be mentioned that drought in Botswana, as in other parts of the world's desertbelt, does not mean that no rain occurs at all. It simply means that the mean annual rainfall has notbeen reached and sometimes -just as serious - that the distribution of precipitation is extremelyunequal. In such unfavourable climatic conditions heavy downpours of up to 100 mm in one hour domore harm than good to the arable land. The water does not penetrate the very dry and hard soiland the massive runoff results in severe soil erosion. Together with my experience gained as TownArchitect in Lobatse, all these observations have influenced the structure of this paper. Originallyplanned as a technical manual for the construction of reinforced bricktanks, it became clear that theentire issue of rainwater catchment and storage should be put into a broader context. At the sametime UNICEF, Kenya, had approached the Editor with the Laurie F. Childers manual for aferro-cement tank. It was agreed that the accumulated knowledge in this paper should be used toprovide an introduction of different techniques for building rainwater reservoirs. Since thepossibilities of building rainwater reservoirs depend entirely on the availability of the requiredmaterials, it is the intention of this publication to cater for a variety of situations. N.J. Wilkinson of theBotswana Technology Centre has published a manual showing another technique of building aferro-cement tank. This technique has advantages under certain circumstances. E.H. Robinson haserected structures for "Christian Action for Development in the Caribbean" using another technique.Each of the different structures has its advantages. Which one should be chosen depends on thesituation at the specific site. Much emphasis is placed on material testing and mixing. Here theadvice given by Childers matches the experience I have made with waterproof cement plaster and
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Hydraulic ram pumps and Sling Pumps
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Hydraulic ram pumps and Sling Pumps
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Use a hydraulic ram pump to continu
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Use a hydraulic ram pump to continu
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Designing a Hydraulic Ram PumpL = T
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Designing a Hydraulic Ram PumpTable
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CAT Publications at www.ecobooks.co
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Atlas Publications-inexpensive how-
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The Development Technology UnitAnim
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Home-made Hydraulic Ram PumpHome-ma
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Home-made Hydraulic Ram Pumpturn it
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Home-made Hydraulic Ram Pumpthe wat
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Home-made Hydraulic Ram Pumphydraul
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Hydraulic Ram Pump6. The length of
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Hydraulic Ram PumpHydram Size 1 2 3
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Hydraulic Ram PumpTable 3 can now b
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Real Goods Catalog - Library & Offi
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Hydraulic Ram Pumps EBAE 161-92Prin
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Hydraulic Ram Pumps EBAE 161-92upon
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Hydraulic Ram Pumps EBAE 161-92Hydr
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Hydraulic Ram Pumps EBAE 161-923. D
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Hydraulic Ram Pump System Design an
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Picture GallerySearch the web with
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Ram Pump (from Internet Glossary of
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Motorless Water Pump--Gravi-Chekhtt
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AEE Renewable Energy SupersourcePut
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Aquatic Eco-Systems - Aquaculture S
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Real Goods - Folk Ram Pumps
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Sling Pump (from Internet Glossary
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Sling Pump (from Internet Glossary
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Table of ContentsIntroduction _____
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and limited access configurations.F
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Ram PumpsRam pumps are very simpleh
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Nose Pumpsentire pump body.The pump
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Table 2 - Installation Consideratio
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Livestock WateringUSING STREAM-POWE
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Figure 5 Sling PumpInstallation Opt
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Real Goods - Pump water from stream
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SlingpumpsRife Hydraulic Engine Mfg
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Lifewater Canada: Sponsor a WellIf
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Lifewater Canada: Who We AreAccordi
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Handpump & Drilling Resources: Pitc
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Lifewater Canada: The SolutionLifew
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Lifewater Canada: The SolutionProje
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safe water - the gift of life - giv
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Liberia communities with safe drink
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Liberia water and sanitation (watsa
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Lifewater Canada: What Lifewater Ca
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Handpumps and water well drilling t
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Lifewater Canada: Who We AreAbout L
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Lifewater Canada: You Can Help!and
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Lifewater Canada: You Can Help!bein
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Lifewater Canada: Contact Informati
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Lifewater Canada: Contact Informati
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Lifewater Canada: Links to Other Si
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Lifewater Canada: What's New on Our
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Lifewater Canada: Site Map●●●
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Dirty Water: Estimated Deaths from
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Global water supply and sanitation
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Global water supply and sanitation
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WaterAidWaterAid is an internationa
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Access to a regular supply of safe
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Regardless of their available resou
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MONITORING HUMAN RIGHTSTreaty:Inter
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WELL - Resource Centre Network for
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War and waterAbout the ICRC | ICRC
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WaterAidText only | font | Sitemap
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Lifewater Canada: Drinking water we
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Lifewater Canada: Overseas Travel P
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Lifewater Canada: Overseas Travel P
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Lifewater Drilling & Well Construct
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Appendix F: Lifewater Canada Well R
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Appendix F: Lifewater Canada Well R
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Appendix R: Community Water Supply
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Appendix T: Making safe drinking wa
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Well Water Level and TDS SensorQuan
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Well Water Level and TDS SensorR1 =
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Well Water Level and TDS SensorThe
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Well Water Level and TDS Sensor●
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Well Water Level and TDS SensorA vi
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Well Water Level and TDS Sensor"The
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Appendix H: Assessing natural clays
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Appendix I: Methods for Grouting Ca
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Section 13: Bush Handpump OverviewO
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Section 13: Bush Handpump OverviewD
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Water for the World IndexWater For
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Water for the World Index●●●
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Water for the World Index●●●O
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Water for the World Index●●●
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Afridev handpumps for safe drinking
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http://www.handpump.org/afri_pump/i
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Consallen Hand PumpsConsallenHandpu
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india mark II handpumpsE-mail: Erns
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india mark II handpumpsPatna 800001
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Kardia hand pumpKardia hand pumpMad
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Bombas de MecateHomeDevelopments In
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vergnet handpumps●use on borehole
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Rural Water Supply Network - The Ha
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Rural Water Supply Network - The Ha
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Rural Water Systems and handpumpsWa
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Hitzer, Inc: Heller-Aller Pumps© C
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homepagehttp://members.shaw.ca/lsdi
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Tara Pump DetailsTara Pump Details[
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Tara Pump DetailsSend sales related
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Grinding Mills,Deep Well Hand Pumps
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Technology Bank: International Deve
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The IDRC Library: International Dev
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NZ Pump - Shallow Well Village Pump
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SWS Rower PumpsThe SWS Rower pump i
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Boshart Industries : Hand Pumps and
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Hand Pumps - PlumbingSupply.comhand
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0243-2kstore.com, Water pumpCowboy
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Sigma K2●●It must be bolted to
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Sigma K2●See the SPECIFICATIONS s
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Sigma K2Hand operated water pumps f
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Tech Gallery - Treadle PumpFrenchSp
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T.E.MANNING, NETHERLANDS, ADVANCED
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New address:New address:http://s.u.
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New Page 2Since then it has been a
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HUMAN-POWEREDWATER-LIFTERSThe choic
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Human Powered Water Lifting Devices
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site has moved...This site has move
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D WATER RESOURCES AND USE: SKINNER
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WEDC - Conference Paperof affordabi
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WEDC - Conference PaperThe Afridev
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WEDC - Conference Paperto be kept t
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The Internet Glossary of PumpsGloss
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The Internet Glossary of PumpsCD-RO
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The Internet Glossary of PumpsKEOHP
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WWD PhotosheetsWWD home2001 HomeAbo
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Key Factors for Sustainable Cost Re
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Table of contentsAcknowledgementsvI
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AcknowledgementsSpecial thanks shou
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OP-32-EClearly, however, the concep
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OP-32-EThe BPD Report mentions also
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OP-32-E1.1.2 Findings of a study in
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OP-32-EIdeally, setting a cost reco
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OP-32-ERestoring defective schemes
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OP-32-EHowever, differences within
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OP-32-E• Option A: Immediate full
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OP-32-Eoften has a positive influen
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OP-32-EAnalysing actual habits and
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OP-32-EAdvantages and disadvantages
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OP-32-ETable 4: Community managemen
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OP-32-EPossible distribution of res
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OP-32-E2. Cost recovery in practice
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OP-32-E• Classification of tariff
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OP-32-EAdvantages and disadvantages
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OP-32-EAverage Management Cost (AMC
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OP-32-EIt should be noted that expe
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OP-32-E• Try to firmly install a
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OP-32-EPrivate capitalPrivate capit
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OP-32-EDonations from former reside
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OP-32-EBox 7: Bangladesh, the Grame
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OP-32-E2. Estimating expenditure ov
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OP-32-EMoney collected has to be ke
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OP-32-E2.4.4 Financial control and
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OP-32-Ewater must not only address
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OP-32-EAnnex 1: Example of tariff c
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OP-32-EManagement costs. They inclu
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OP 32-EBANK BOOKDate Description Dr
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OP 32-EAnnex 6: Example of a behavi
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OP 32-EPérez, M. (1997a). ‘Eleme
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OP 32-EWorld Bank (1999b). Allocati
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Appendix: Advocacy Papers - IRC Int
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43. Simple drilling methodsIn many
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Simple drilling methodsJettingMetho
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Lone Star Bit Company: LS-100 Mud R
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Introduction of Low Cost Rotary Dri
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• Drilling. Limited to maximum de
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http://www.ghanamission.org/PDF%20F
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Page 443 and 444: The "Sludger Technique" for constru
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Page 495 and 496: ContentPreface.....................
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Page 499 and 500: Table1: Rainwater reservoirs at pub
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Page 529 and 530: figure 5.125.1.6 Further procedure
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Page 533 and 534: figure 5.20Remove the plastic foil
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Page 537 and 538: figure 5.275.2 Reservoir with facto
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figure 5.34Remove all bolts.Remove
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Prepare the nil coat and apply it a
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5.2.15 Removing shutteringDo not re
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start wrapping the mould with mesh
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5.3.6 Roof shutteringFigs. 5.45 and
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you enlarge the hole, more water wi
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figure 5.49Repair of large holes wh
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-Choose the reservoir size accordin
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half-width of the wall is sufficien
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(Name and address of contractor) __
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All material shall be as described
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6% clay, silt, etc. Before commenci
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Cement bricksBurned clay bricks als
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Table 8: Consumption of Portlandcem
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Table 12Table 1379
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7. Gutters and downpipesThe efficie
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Appendix: Technical drawingsfigure8
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Sourcebook Harvested RainwaterHarve
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Sourcebook Harvested RainwaterIn th
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Sourcebook Harvested Rainwaterbolte
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Sourcebook Harvested Rainwater(800)
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Sourcebook Harvested RainwaterUnive
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H MISCELLANEOUS: DIXIT and PATIL22n
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Rainwater HarvestingRainwater Harve
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Rainwater Harvesting●●●The re
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Rainwater Harvesting●❍ clean (r
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IDRC BOOKS: Online and In Print: In
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1.3 Fog harvesting1.3 Fog harvestin
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1.3 Fog harvestingIn Chile, the Nat
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1.3 Fog harvestingSource: W. Canto
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1.3 Fog harvestingand Peru were 3.0
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1.3 Fog harvestingmeasurement devic
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FogQuest - Fog Collection / Water H
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IDRC REPORTS: Clouds on Tap: Harves
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Water Innovations: Chile's Camancha
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Water Innovations: Chile's Camancha
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Fog Catcher PhotosBaobab:Stills and
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Fog Catcher PhotosEven in a spot as
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62. Emergency water supplyin cold r
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Emergency water supply in cold regi
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F WATER QUALITY AND SUPPLY: McCONNA
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International Desalination Associat
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Technical Information W1edepending
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Technical Information W1eAdvantages
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Technical Information W1eSeed Distr
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WHO | Water and sanitation related
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Environmental Sanitation - IRC Inte
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WaterAidPour flush latrinesIn villa
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WaterAidThe interior of the superst
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WaterAidClick here to print all sec
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Technical Information W9eThe site f
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Technical Information W9eThe supers
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Technical Information W9estabilised
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School Sanitation and Hygiene Educa
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WEDC - Conference PaperWith so many
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WHO | Water, Sanitation and HealthE
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WaterAidText only | font | Sitemap
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WaterAidtransmission route and redu
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Health and Hygiene PromotionLiverpo
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Some key objectives for hygiene pro
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Some key objectives for hygiene pro
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ECHOs Global BookstoreBestsellers01
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