island (relief river branches) (€40.4 M) Macedonia: (IEC, 2013) 1. improve the efficiency of M&I water systems (total NPV €29.5; NPV calculations assumed a 5% discount rate); 2. improve the efficiency of irrigation systems (total NPV NPV calculations €27.1; assumed a 5% discount rate); 3. Expand irrigation systems (total NPV NPV calculations €130.2; assumed a 5% discount rate); Lee Catchment Flood Risk Benefits of option M, (OPW, 2010) €18.7 Assessment and Management BCR: 23.9 Study: Further optimisation of the operation of Carrigadrohid and Inniscarra Dams informed by integrated flood forecasting Costs: Lower Lee, Ballincollig and Cork City (2056 properties located within the flood extent of the estimated 1% AEP fluvial event) - M €0.8 Lee Catchment Flood Risk Benefits of option M, (OPW, 2010) €33.6 Assessment and Management BCR: 1.3 Study: Provision of permanent flood walls and embankments combined with flood storage reservoirs. Costs: Midleton - M €26.6 Reduce demand Water Metering in the UK (costs: (Sutherland and by controlling 0.97/m3) Fenn, 2000) € leaks, Private investment in a leakage The return on investment for implementing monitoring program to cope leakage repairs has been water-saving with water scarcity in Lisbon: highly profitable for the Accessed on Oct programs, The leakage monitoring system company. It has resulted in a 2017h) cascading and helps identify and locate any water reduction of non-revenue reusing water leakages in the distribution water from 23.5% in 2005 to network. After the location of the around 8.5% in 2015, which leak is identified, specialized equals to around 68M in € technicians, known as leak accumulated savings in the detection mechanics, are sent out last 10 years. to carry out field-based leak detection and repair the problem. benefit-cost ratio: (Costs: Software development: €1 68/(1+1+0.5*10)=9.7 M; Network monitoring systems: about The operational costs €1 M; of the program account to about per year) €0.5M
island (relief river branches) (€40.4 M) Macedonia: 1. improve the efficiency of M&I water systems (total NPV €29.5; NPV calculations assumed a 5% discount rate); 2. improve the efficiency of irrigation systems (total NPV €27.1; NPV calculations assumed a 5% discount rate); 3. Expand irrigation systems (total NPV €130.2; NPV calculations assumed a 5% discount rate); (IEC, 2013) Lee Catchment Flood Risk Assessment and Management Study: Further optimisation of the operation of Carrigadrohid and Inniscarra Dams informed by integrated flood forecasting Costs: Lower Lee, Ballincollig and Cork City (2056 properties located within the flood extent of the estimated 1% AEP fluvial event) - €0.8 M Benefits of option €18.7 M, BCR: 23.9 (OPW, 2010) Lee Catchment Flood Risk Assessment and Management Study: Provision of permanent flood walls and embankments combined with flood storage reservoirs. Costs: Midleton - €26.6 M Benefits of option €33.6 M, BCR: 1.3 (OPW, 2010) Reduce demand by controlling leaks, implementing water-saving programs, cascading and reusing water Water Metering in the UK (costs: € 0.97/m3) (Sutherland and Fenn, 2000) Private investment in a leakage monitoring program to cope with water scarcity in Lisbon: The leakage monitoring system helps identify and locate any water leakages in the distribution network. After the location of the leak is identified, specialized technicians, known as leak detection mechanics, are sent out to carry out field-based leak detection and repair the problem. (Costs: Software development: €1 M; Network monitoring systems: about €1 M; The operational costs of the program account to about €0.5M per year) The return on investment for leakage repairs has been highly profitable for the company. It has resulted in a reduction of non-revenue water from 23.5% in 2005 to around 8.5% in 2015, which equals to around € 68M in accumulated savings in the last 10 years. benefit-cost ratio: 68/(1+1+0.5*10)=9.7 Accessed on Oct 2017h)
Water%20-%20Full%20Report%20-%20draft%20(2017-11-30)%20-%20EN%20-%20for%20printingc0f7e808156ceb6c1e7ef33a31e24a51.docx