Solutions Across Disciplines INTEGRATED SOLUTIONS FOR WATER LEAKAGE

Transcription

1 INTEGRATED SOLUTIONS FOR WATER LEAKAGE

2 NRW in South Africa at 40 % RSA divided into 9 Water Management Areas, demand divided into Agriculture, Domestic and Industrial 61/27/3 South Africa Global NRW 5-96 % NRW > 10 % is considered high 2 Property of NIRAS

3 Leakage How to Reduce NRW to 10 % in One Year...Starting with leakage reductions Baseline Active Leakage Control Pressure Management Speed & Quality of Repairs Pipeline Management & Rehabilitation Unavoidable Leakage Level Time 3 Property of NIRAS

4 Company Awareness 500 m 3 /y ~ 500 EUR/y 3,500 m 3 /y ~ 3,500 EUR/y 2,500 m 3 /y ~ 2,500 EUR/y 1,000 m 3 /y ~ 1,000 EUR/y 4 Property of NIRAS

5 Customer Awareness Every drop counts Money down the drain 1,300 m³/y 3,000 m³/y 5 Property of NIRAS

6 Integrating Technologies The main partners Grundfos Pumps Pressure Optimization AVK Valves Pressure Optimization Schneider Electric SCADA Hydraulic Modelling Kamstrup Customer metering Smart Meters Bulk Meters Leif Koch Leak Detection and Leak Location Noise Loggers 6 Property of NIRAS

7 Synergy Effects New technologies & improved interfaces Surface box designed for noise logger deployment Noise logger alarms available in other systems 7 Property of NIRAS

8 Synergy Effects New technologies & improved interfaces Noise logger information available in hydraulic models 8 Property of NIRAS

9 Systems Implementation and integration GIS Smart meter ASSET Hardware Software Water sample MIS Economy Staff Hydraulic model Noise logger Management Valve Pump SCADA 9 Property of NIRAS

10 Systems Operations Customer Metering Intelligent Pumps & Valves Online Monitoring SCADA & Online Modelling HOMIS GIS, CIS AMS, Finance Noise Loggers 10 Property of NIRAS

11 Results from UAE Al Ain City One DMA One year AL 2% RL 19% UAC 19% BAC 60% AL 2% UAC 12% RL 8% BAC 79% Billed Authorized Consumption: From 60 % to 79 % Reason: DMA joint survey Real Losses: From 19 % to 8 % Reason: Repair of 50+ leaks found Increase in Billed Consumption: 190,000 m³/year Decrease in Real Losses: 235,000 m³/year Total improvement of NRW: 250,000 m³/year 11 Property of NIRAS

12 Results from UAE Al Ain Obtained after one year Documented Annual Savings for 19 DMAS: Water ~ 1.6 mill. m³ Cost ~ 3.2 mill. EUR ROI ~ 1½ years Potential Annual Savings for 105 DMAS: Water ~ 16 mill. m³ Cost ~ 32 mill. EUR 12 Property of NIRAS

13 Leakage Management The Four Pillars of Leakage Management in Water Distribution Networks PRESSURE MANAGEMENT Pressure optimization reduces burst frequency and losses from existing leakages Reduces run times of reported leakages thus minimizing losses SPEED & QUALITY OF REPAIRS Unavoidable Annual Real Losses Economic Level of Leakage Current Annual Real Losses ACTIVE LEAKAGE CONTROL Reduces lifetime of unreported leakages A well maintained network directly reduces the burst frequency and minimizes background leakage PIPELINE MANAGEMENT & REHABILITATION 13 Property of NIRAS

14 Active Leakage Control The starting point of reducing leakage IWA Best Practice SIV 197,797 m³ 100% AC 134,094 m³ 68% BAC 124,836 m³ UAC 9,258 m³ AL 2,682 m³ WL 63,703 m³ 32% RL 61,021 m³ 31% BMC 124,836 m³ BUC 0 m³ UMC 5,207 m³ UUC 4,050 m³ UC 0 m³ CMI 2,682 m³ LTDM 3,482 m³ LOST 0 m³ LSCM 57, 540 m³ RW 124,836 m³ 63% NRW 72,961 m³ 37% 14 Property of NIRAS

15 NRW Control DMA Surveys Team Work Pressure tests Validate data PHYSICAL LOSSES Locate & record valves Test & operate valves Update mapping Prove testing of mains Pressure tests Valve repairs Flow meter installations Monitor flows Step testing Leak detection Leakage repairs Pipe replacements Step testing Record no. of customers Valve repairs Effectiveness NON-PHYSICAL LOSSES Record no. of customers Record no. of connections Record no. of metered connections Record defective meters Record non-accessible meters Record no. of non-domestic customers Clarify billing vs. customer accuracy Investigate unauthorized connections Sample, testing and calibration of meters Meter defect change program 15 Property of NIRAS

16 Field Surveys Manual inspections of District Metering Areas Locate: Visible leaks Malfunctioning customer equipment Illegal consumption Verify DMA Boundaries P-Zero test And Training Training Training Property of NIRAS

17 Human Resources are Essential In the field and... everywhere... Proper and functional valves is the backbone of any sectioned network Low-tech skills and knowledge is of the essence 17 Property of NIRAS

18 Monitoring on KPI s Integration of organization and topology 18 Property of NIRAS

19 Pressure Management Operations Intelligent pumps and valves Pressure optimization Production optimization 19 Property of NIRAS

20 Pressure Optimization Control and optimize pressure to reduce leakage... Q L = N 0 P μ N 1 -> Reduce production and pumping costs... Pumping Cost ~ P Q 20 Property of NIRAS

21 Hydraulic Modelling Online and offline For improved operations and quality of service Pressure optimization Water Quality optimization P P High Pressure P Low chlorine P P P P P P P P P 21 Property of NIRAS

22 Human Resources are Essential It All about the people Property of NIRAS

23 Integrated CSR Technical We bring not only the technology But also the vital knowledge & Education Innovation 23 Property of NIRAS

24 Quality Control Procedures Materials Installation practice Site inspection Make the best of what is available then develop from there on. 24 Property of NIRAS

25 Technology Advances Leak Detection Ground microphones Acoustic noise loggers Correlating noise loggers Leak Detection Leak Location 25 Property of NIRAS

26 Capacity Building on All Levels Professionals in Water Management and Leakage Control It s all about the people! Craftsmen Technicians Engineers Managers Collaborate with technical schools and universities to create a new generation of water Professionals 26 Property of NIRAS

27 THANK YOU 27 Property of NIRAS

28 COMPLETE CONSULTING

29 Knowledge all the Way Building & Industry Infrastructure Environment Utilities Water, Waste Water & Energy Development Aid Information Communication Technology Energy Analysis & Planning 29 Property of NIRAS

30 Close Partnerships We collaborate closely with all our partners to create integrated project teams where all parties contribute to developing the best solution. Our partners include: Grundfos Kamstrup AVK Schneider Electric Leif Koch HOFOR Copenhagen Utility 30 Property of NIRAS

31 International Network 31 Property of NIRAS

32 Employees [#] Our Growth Employees and production 1, , Property of NIRAS

33 Our World 33 Property of NIRAS

34 Consultants for Multi Utilities Water Heating Gas Sewage Cooling 34 Property of NIRAS

35 Complete Water Solutions Covering the entire water cycle 35 Property of NIRAS

36 Our Experts Multi disciplinary Waterworks and water treatment Drinking water quality Distribution and modelling Sewage systems and modelling Climate adaptation and flooding Waste Water Treatment Plants SCADA and Utility IT Asset management Efficiency Improvements Quality Improvements Optimization Symbioses and multi-utilities 36 Property of NIRAS

37 Climate Adaptation Adds Value Customer statement The strength of combining climate adaptation and nature restoration efforts is that we get more value for our money Marianne Andersen Managing Director Greve Solrød Forsyning Denmark 37 Property of NIRAS

38 Large Scale Project Management Customer case The largest sewage tunnel in Denmark 38 Property of NIRAS

39 State-of-the-Art Water Supply Customer statement We opted for NIRAS because we wanted to be challenged, a think out-of-the-box approach and to create the framework for the waterworks of the future Pia Jacobsen Line manager Aarhus Vand Denmark 39 Property of NIRAS

40 Information Communication Technology Customer statement We opted for NIRAS and the HOMIS system because we wanted to be challenged and create a world class management information, asset management and water distribution system Ole Skytte Line manager HOFOR (Copenhagen) Denmark 40 Property of NIRAS

41 41 Property of NIRAS