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Table 6

Evaluation of maintenance management systems

Population suppliedNumber of technical staff per 1,000 km of distribution pipe
Repair rate of water leaks
(people/1,000 km)Rate of change (%)Evaluation(%)Evaluation
≥600,000 82.44 −11.13 Downward 85.63 Upward 
100,000–600,000 48.13 −3.17 Downward 68.93 Upward 
30,000–100,000 27.66 −5.82 Downward 52.83 Flat 
10,000–30,000 19.59 −6.34 Downward 50.57 Flat 
<10,000 20.18 −8.17 Downward 49.89 Flat 
All 27.36 −6.15 Downward 54.47 Flat 
Population suppliedNumber of technical staff per 1,000 km of distribution pipe
Repair rate of water leaks
(people/1,000 km)Rate of change (%)Evaluation(%)Evaluation
≥600,000 82.44 −11.13 Downward 85.63 Upward 
100,000–600,000 48.13 −3.17 Downward 68.93 Upward 
30,000–100,000 27.66 −5.82 Downward 52.83 Flat 
10,000–30,000 19.59 −6.34 Downward 50.57 Flat 
<10,000 20.18 −8.17 Downward 49.89 Flat 
All 27.36 −6.15 Downward 54.47 Flat 
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