Evaluation of water supply system Case study in Naka ... - ENGEES
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>, NigeriaAppendix FSanitary survey <strong>of</strong> the <strong>water</strong> <strong>supply</strong>1. Does the pipe leak between the source and storage tank? Y / N2. Are the storage tanks cracked, damaged or leak? Y / N3. Are the vents and covers on the tanks damaged or open? Y / N4. Do any taps leak? Y / N5. Does surface <strong>water</strong> collect around any tap? Y / N6. Is area uphill <strong>of</strong> any tap eroded? Y / N7. Are pipes exposed close to any tap? Y / N8. Is human excreta on the ground with<strong>in</strong> 10 m <strong>of</strong> any tap? Y / N9. Has there been discont<strong>in</strong>uity with<strong>in</strong> last 10 days at any tap? Y / N10. Are there signs <strong>of</strong> leaks <strong>in</strong> the ma<strong>in</strong> <strong>supply</strong> pipe <strong>in</strong> the <strong>system</strong>? Y / N11. Do the community report any pipe breaks <strong>in</strong> last week? Y / N12. Is the ma<strong>in</strong> <strong>supply</strong> pipe exposed anywhere <strong>in</strong> the <strong>system</strong>? Y / NTotal Score <strong>of</strong> Risks: 10/12 ⇒ High risksSource: Sanitary Survey for gravity-fed piped <strong>water</strong> proposed by Howard <strong>in</strong> WaterSupply Surveillance – A reference Manual, 2002Cranfield University at Silsoe Florianne Bourrigault (2006)
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