of Water Loss Reduction Australia A utility CEO s Perspective on the impact A Utility CEO s Perspective on The impact of Water Loss Reduction
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1 Australia A Utility CEO s Perspective on The impact timw49@yahoo.com.au Session 1.1 Page1
2 African Water Summit, 2014 you can t expect to solve a problem using the same thinking that created the problem New Sources of Water 1. New Dams 2. River Sharing 3. Rain Water Harvesting 4. Desalination 5. Icebergs 12 Session 1.1 Page2
3 Water Loss Control is the most important Key Performance Indicator (KPI) of a Water Company? It impacts on every part of the business Treatment, finance, debt, depreciation, dams, Operational cost, Capital deferment, asset life extension, distribution knowledge, organisational speed, intelligent understanding, engineering challenge, measurement knowledge, and impacts on the success of and Corporate plans It impacts on profitability, less service interruptions, water quality improvements via less contamination, environmental excellence, political strength. Political Influence Most Important Aspect of Asset IMPACT OF DEPRECIATION People are the most important asset of any water business Financials savings, water savings and the essential service provided by our industry will be as a result of our combined efforts. Session 1.1 Page3
4 African Water Summit, 2014 My experience with various types of Water Businesses Large Utilities with 7000 employees Small water departments government, 20 to 50 employees Developing country government water departments varying from 20 to 200 employees Water Corporations varying from 150 to 700 employees Experiences around the World China Thailand Australia New Zealand South Africa Uganda UK Brazil Solomon Islands Tonga PNG Vanuatu Vietnam Japan Malaysia Fiji Session 1.1 Page4
5 African Water Summit, 2014 Session 1.1 Page5
6 African Water Summit, 2014 Session 1.1 Page6
7 What does a Water Utility CEO do? Watches Weather and Worries about Water and Waste Water Wonders Whether you can be brilliant? Looks for people filling voids Inspires, gives vision, sets goals/ targets/ outcomes/ integrity/sets magnets for ambitions/gets ahead of the norm and provides opportunity Focus on KPI s, Board meetings, politics, PR and regulations KPI s for a Water Utility Many Generally meeting basic needs for existence, shareholders agreements, Finance, customer service standards, Regulators issues, political interest, Board interests, staff and asset management, capital spending, business development, leadership Vertically Integrated Water Business Water Catchment management Dams Water treatment Delivery mains Reservoirs Distribution networks Ops Control and Planning Metering and Billing Customer services Sewage/Waste Water Collection Treatment Reuse or Disposal Laboratories Environmental Administration+H&S GIS and Asset man. Engineering Business management Legal Highly skilled workforce fulfilling most water industry requirements which include: Session 1.1 Page7
8 Financial planning Annual Budget and Audit directions 3 year plan 20 year plan Infrastructure life replacement plan, ie: Dams and reservoirs Pipe replacement profiles Capital deferment plans Why do people do things differently? Understanding different thinking Acceptance to change Motivation to change Clear ambitions Planning People What you see, is not what everyone sees Asset Overview Asset CCTV Document Geographical Maintenance Asset Financial Telemetry Network Modelling Meter Reading & Customer Billing Pressure management / leakage control systems CCTV Document Geographical Maintenance Asset Financial Telemetry Network Modelling Meter Reading & Customer Billing System Pressure management / leakage control systems Asset systems Pressure / Leakage Control These are Key influences on Asset life, asset performance and profitability of a Utility. Matching customer needs with lowest cost high quality utilty infrastructure affects every other cost of the business of a water utility. Pressure Spikes Session 1.1 Page8
9 Remember to check for pressure transients with short period pressure measurements - even in gravity supplied zones What pressure surges can do!!! (Mains break Torquay) N1 exponent varies with type of leak, and also with pipe materials Fixed area discharge Circular hole drilled in pipe N1 typically 0.5 Variable area discharge Split in flexible pipe: N1 typically 1.5 Flow Modulating PRV Control Acknowledgement: van Zyl Acknowledgement: Thornton WRP (Pty) Ltd, 2001 Asset CCTV Document Geographical Maintenance Asset Financial Telemetry Meter Reading & Customer Billing System Pressure management / leakage control systems Network Modelling Session 1.1 Page9
10 Condition of the asset indicates its remaining life and risk of failure Visual inspection Asset systems CCTV Condition assessments are a snap-shot in time must be filed with the asset and date stamped for future reference Electronic data linked to the asset management system is replacing paper forms, reports and CCTV videos Benefits of CCTV Asset systems CCTV CCTV inspection of sanitary sewers and stormwater pipes is the best technology for measuring the condition of underground assets. It enables maintenance budgets to be allocated to provide greatest value by identifying problems before they become engineering and financial nightmares. CCTV monitoring reports are critical to the development of rehabilitation and proactive maintenance programs, and provide pictorial evidence for prioritising action. CCTV inspections not only saves money and improves customer service standards, it can also prevent the embarrassment of dry weather sewer overflows. Asset systems CCTV Ford Transit Van, long wheel base Cab Chassis with custom built pantec body. This vehicle is set up specifically for the CCTV inspection of any type of conduits. For staff comfort, it has split system air-conditioning ducted into the office area at the rear of the vehicle. This vehicle also has a separate WET and DRY area to eliminate contamination of the office area and to allow thorough cleaning of the equipment without the risk of damage to computer equipment. IPEK FW125 six wheel drive tractor and 48/70 camera unit The camera head of this unit allows for a full pan and tilt enabling direct inspection of any faults or failures. The tractor unit is fitted with a raising kit allowing centre of pipe inspections of most pipe sizes, it is fitted to 200 metres of cable allowing a survey of up to 400 metres in total length. Asset systems Network Modelling (Hydraulic Analysis) Models simulate how water and sewer reticulation networks function Constructed using GIS data,control data and survey data Live flow and pressure data is collected and used to calibrate the model to ensure that the model is a reasonable representation of network performance Why? Increased knowledge of the distribution system Investigation of Supply Deficiencies Analysis ofpressure and Demand Strategies Scenario Planning Fire Flow Analysis Asset systems Network Modelling Session 1.1 Page10
11 African Water Summit, 2014 LOW PRESSURE MID PRESSURE HIGH PRESSURE APPARENT LOSSES Data transfer errors Estimated readings Meter errors Theft / illegal connections Session 1.1 Page11
12 Poor Installation Examples Insufficient straight pipe Perfect air trap Digital Low Frequency ground microphones Easy to use Amplified sound Sound display available Headphone to prevent background noise Digital & analogue Used to pinpoint exact leakage position prior to excavation River Water canal Transmission Pumping Station Water Leakage Process at MWA Limitations of Existing System : MWA Headquarter 1) In completed and Inaccurate Water Loss dusk Limited SCADA and DMA Installation 2) Lack of System to Support Systematic Water Loss Analysis/ (Exiisting at Sukhumvit, Nonthaburi, Bangbuathong, Raw water Pasricharoen Office are Spreadsheet-Based) pumping station 3) Isolated System/Applications (CIS, GIS, Call Center, etc) Prevents Complete and Effective Integration Utilization and 4) Critical Water Loss Processes According to International Standard are not Currently practised Office of Call Center Water treatment 1125 Technology plant Water Transmission and Distribution System Control Center Partial SCADA System Installation SCADA System Installation at 81 locations Water Leakage Applications Source - MWA Water Balance Geographical System Night Flow Analysis Economic Level of Leakage Field Services and Support Report Infrastructure System SCADA System MM MWA Branch Office installation at DMA System Installations at stations Sukhumvit, Nonthaburi, selected Bangbuathong, Partial RTU Installation on Phasicharoen Branch Office Trunk Main Supervise/Control RTU MM BM ZM DM M Distribution Pipe Service Pipe Customer Trunk Main (13,550 km) (4,700 km) (970 km) SCADA System Installation MM = Master Meter BM = Boundary Meter ZM = Zonal Meter at Selected Stations DM = DMA Meter M = Household Meter RTU = Remote Terminal Unit Flow Meter, Pressure Sensor, PRV, PCV, Distribution Pumping = Supervise/Control = Coordinate (for field instrument Turbidity Meter, Residual Chorine Sensor, etc Station monitoring and control) Call Center 1125 Customer System Supervisory Control and Data Acquisition Water Network Analysis Knowledge Repository Pressure Session 1.1 Page12
13 System Input Volume IWA Standard Water Balance Authorised Consumption Billed Authorised Consumption Unbilled Authorised Consumption Apparent Losses Billed Metered Consumption Billed Unmetered Consumption Unbilled Metered Consumption Unbilled Unmetered Consumption Unauthorised Consumption Customer Meter Inaccuracies Revenue Water Non Revenue Flow Rate Leakage Levels Water Losses Real Losses Leakage on Transmission and Distribution Mains Leakage on Overflows at Storage Tanks Leakage on Service Connections up to point of Customer Meter Water Minimum night flow 24 Hours District Metering/Sectorisation What you sometimes find, without anyone realising! Step testing Active leakage control methods Step testing Step 1 Step 2 Step 3 Valves are closed in a prearranged sequence, and the time is recorded. This is then compared to a data logging of the meter to look for flow reductions at the time valves were closed. S1 S2 S3 S4 Step 4 Flow measurement point Session 1.1 Page13
14 Emergency leak detection work during drought in the city of Colne Burst Repaired Regions and Representatives Europe West ---- Stuart Trow and Jo Parker Europe East -Bambos Charalambos and Marco Fantozzi South Africa Ronnie McKenzie Central Africa----- Harrison Mutikanga North America and Canada ---- Ken Brothers + 1 Central America and Caribbean --- Paul Fanner +1 South America Julian Thornton +1 Russia and Neighbouring Region Stuart Hamilton +1 Australasia and Pacific +1 East and West Asia Roland Liemberger China and Neighbouring Region ---- Malcolm Farley +1 North Africa and Middle East Jan Jansson + Bambos 20 17/6 24/6 1/7 15/7 29/7 12/8 26/8 9/9 8/7 22/7 5/8 19/8 2/9 Whether you think you can or can t You are usually right. Henry Ford Thank You Timw49@yahoo.com.au Reducing Water Demand EPA Australia sponsored Tim to develop a series of manuals to assist engineers, operators and managers in Local Governments. Session 1.1 Page14
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