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Table 4

Summary of resilience metrics solutions for WDS-III at three small ranges in the cost range of ≤$11 million

Cost rangeResilience metric# of SolutionsAvg. cost ($)Avg. std. dev. of pipe sizes (mm)Norm. mean pipe size (mm)Avg. reliabilityAvg. pipe flows (GPM)Avg. nodal pressure head (m)
$6.8–7.2 M NRI 15 $6,984,000 37.44 206.45 0.963 99.03 23.66 
PRI 25 $6,985,200 38.15 206.20 0.961 99.28 24.42 
FE $6,961,667 38.68 206.15 0.951 110.43 19.46 
MRI 11 $6,998,182 42.72 206.60 0.963 99.68 24.20 
RI 24 $7,017,083 39.04 207.01 0.965 100.22 24.46 
$8.3–8.7 M NRI 10 $8,549,000 30.81 248.01 0.968 99.98 28.08 
PRI $8,505,556 37.90 245.14 0.970 100.8 29.33 
FE $8,450,000 39.80 244.12 0.964 123.70 24.11 
MRI $8,510,000 42.44 244.30 0.970 99.20 29.60 
RI 11 $8,536,364 40.28 245.31 0.970 100.52 29.26 
$10.2–10.6 M NRI $10,400,000 33.02 288.19 0.971 100.41 30.42 
PRI $10,400,000 39.42 286.44 0.973 101.40 30.99 
MRI $10,350,000 42.77 285.19 0.973 100.34 31.21 
RI $10,400,000 41.94 286.99 0.973 100.65 31.09 
Cost rangeResilience metric# of SolutionsAvg. cost ($)Avg. std. dev. of pipe sizes (mm)Norm. mean pipe size (mm)Avg. reliabilityAvg. pipe flows (GPM)Avg. nodal pressure head (m)
$6.8–7.2 M NRI 15 $6,984,000 37.44 206.45 0.963 99.03 23.66 
PRI 25 $6,985,200 38.15 206.20 0.961 99.28 24.42 
FE $6,961,667 38.68 206.15 0.951 110.43 19.46 
MRI 11 $6,998,182 42.72 206.60 0.963 99.68 24.20 
RI 24 $7,017,083 39.04 207.01 0.965 100.22 24.46 
$8.3–8.7 M NRI 10 $8,549,000 30.81 248.01 0.968 99.98 28.08 
PRI $8,505,556 37.90 245.14 0.970 100.8 29.33 
FE $8,450,000 39.80 244.12 0.964 123.70 24.11 
MRI $8,510,000 42.44 244.30 0.970 99.20 29.60 
RI 11 $8,536,364 40.28 245.31 0.970 100.52 29.26 
$10.2–10.6 M NRI $10,400,000 33.02 288.19 0.971 100.41 30.42 
PRI $10,400,000 39.42 286.44 0.973 101.40 30.99 
MRI $10,350,000 42.77 285.19 0.973 100.34 31.21 
RI $10,400,000 41.94 286.99 0.973 100.65 31.09 
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