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Evaluation of water supply system Case study in Naka ... - ENGEES

Evaluation of water supply system Case study in Naka ... - ENGEES

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<strong>Evaluation</strong> <strong>of</strong> <strong>water</strong> <strong>supply</strong> <strong>system</strong> – <strong>Case</strong> <strong>study</strong> <strong>in</strong> <strong>Naka</strong>, Nigeria2 Literature reviewThe literature review addresses the understand<strong>in</strong>g <strong>of</strong> evaluation issues and providesbackground about <strong>water</strong> <strong>supply</strong> projects’ feedback and experiences, especially forcommunity managed <strong>system</strong>s and <strong>water</strong> quality monitor<strong>in</strong>g.2.1 <strong>Evaluation</strong> <strong>of</strong> <strong>water</strong> project<strong>Evaluation</strong> is a necessary stage <strong>in</strong> the cycle <strong>of</strong> any project as it tries to answer thequestion “Did the project work?” (Carter, 2006) and then allows def<strong>in</strong><strong>in</strong>g theproblems to solve (see figure 2).Did theproject work?<strong>Evaluation</strong>What’s theproblem?Inception/IdentificationHow tosolve itFormulation/Detailed designImplementationand monitor<strong>in</strong>gAct, observe,measureProposal,approval,f<strong>in</strong>anc<strong>in</strong>gAppraisalF<strong>in</strong>d thefundsReviewthe designFigure 2: Project cycleSource (Carter, 2006)There are several different ways <strong>of</strong> evaluat<strong>in</strong>g a project, but the core strategy is tocompare selected features <strong>of</strong> the projects to fixed values, targets or objectives <strong>in</strong> orderto determ<strong>in</strong>e to what extent the project met expectations and achieved positiveimpacts (Narayan, 1993).Focus<strong>in</strong>g on <strong>water</strong> projects, the different approaches depend on the choice <strong>of</strong> thesetarget values. Carter (2006a) highlighted three different categories <strong>of</strong> objectives thatan evaluation can assess:Cranfield University at Silsoe 5 Florianne Bourrigault (2006)

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