Table 7

Economic intervention of reducing the real losses in the network

Variable cost of real lossesValueUnit cost
CV Variable production cost (applied to real losses) 0.47 $/m3 474.85$/ML
CI Cost of comprehensive leak detection survey (excluding leak repair cost) 100.00 $/km RR Average rate of rise of unreported leakage 3.00 m3/km of mains/day in a year 2.58 ML/day in a year CI/CV 210.6 m3/km EIF Economic intervention frequency [0.789 * (CI/CV)/RR] ^0.5 7.4 months Economic intervention frequency – average leak run time 113.2 days Economic percentage of system to be surveyed per year 161 ABI Average annual budget for intervention (proactive leak detection) 138,508$/year
EUL Economic unreported real losses 291,688 m3/year
Economic Infrastructure Leakage Index (ILI) 2.1
PRL Potentially recoverable leakage (CARL-CRL-EUL-TBL-UL) 438.0 ML/year
Variable cost of real lossesValueUnit cost
CV Variable production cost (applied to real losses) 0.47 $/m3 474.85$/ML
CI Cost of comprehensive leak detection survey (excluding leak repair cost) 100.00 $/km RR Average rate of rise of unreported leakage 3.00 m3/km of mains/day in a year 2.58 ML/day in a year CI/CV 210.6 m3/km EIF Economic intervention frequency [0.789 * (CI/CV)/RR] ^0.5 7.4 months Economic intervention frequency – average leak run time 113.2 days Economic percentage of system to be surveyed per year 161 ABI Average annual budget for intervention (proactive leak detection) 138,508$/year
EUL Economic unreported real losses 291,688 m3/year
Economic Infrastructure Leakage Index (ILI) 2.1
PRL Potentially recoverable leakage (CARL-CRL-EUL-TBL-UL) 438.0 ML/year
Close Modal