Technology that optimises water distribution networks.
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Transcript of Technology that optimises water distribution networks.
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Technology that optimises water distribution networks
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THE IMPORTANCE OF OPTIMISING WATER PRESSURE
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PRESSURE MANAGEMENT CHALLENGE
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BASIC PRESSURE MANAGEMENT
+ Fixing pressure at the PRV outlet
+ Leads to excessive pressure 100% of the time at critical point
+ Potential response: basic time & flow modulation
+ Weak control of pressure vs target
+ Inability to respond and adapt to changing network circumstances
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ADVANCED PRESSURE MANAGEMENT
+ Total visibility into network performance
+ Remote management of pressure
+ Automatically and continuously optimised pressure based on demand patterns
+ Delivers the right pressure (and no more) in the network all the time
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ADVANCED PRESSURE MANAGEMENT ARCHITECTURE
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ADVANCED PRESSURE MANAGEMENT ARCHITECTURE
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ADVANCED PRESSURE MANAGEMENT ARCHITECTURE
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ADVANCED PRESSURE MANAGEMENT ARCHITECTURE
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ADVANCED PRESSURE MANAGEMENT ARCHITECTURE
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ADVANCED PRESSURE MANAGEMENT ARCHITECTURE
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ADVANCED PRESSURE MANAGEMENT ARCHITECTURE
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1. Controller
2. APV
3. PRV
i2O SYSTEM – PRV CONTROL
i2O PRV control hardware
+ Remote control, optimisation and monotoring of all diaphragm actuated PRVs
+ Smooth and reliable control and monitoring
+ Simple installation takes 1.5hrs by network technicians
1
2
3
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i2O SYSTEM – PRV CONTROL components
Controller+ Logs pressure and flows with high accuracy+ GPRS and Bluetooth communication+ Low power consumption – 5 year battery life+ Robust, waterproof enclosure
APV (Advanced Pilot Valve)+ Accurate control over 32m range+ Smooth preassure change – no surge+ Any PRV
Critical Point Logger+ Logs pressure with high accuracy+ GPRS and Bluetooth communication+ Low power consumption – 5 year battery life+ Robust, waterproof enclosure
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i2O SYSTEM – SOFTWARE INTERFACE
+ Secure
+ Integrated system – see data and act on it
+ Scalable throughout the business
+ Quick and easy to implement
+ Cost effective
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i2O SYSTEM – NETWORK MONITORING
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ADVANCED PRESSURE MANAGEMENT
+ Remote pressure optimisation
+ Remote diagnostics
+ Quick DMA set-up and installation
+ Scheduled pressure control
+ Scheduled alarm control
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i2O – Worked Example :Implementation
Flow
(l/s
)/Pr
essu
re (m
)
Time
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LEAKAGEREDUCTION
+ Each percentage point of pressure reduction in a water network leads to a corresponding decrease in leakage
+ i2O’s solutions have reduced leakage by 10 to 50% in hundreds of water networks.
Syabas: 35.4 MLD reduction in 178 DMAs
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BURSTFREQUENCYREDUCTION
After i2OBefore i2O
+Minimizing pressure peaks and softening fluctuations reduces the frequency of bursts
+ i2O’s solutions have reduced burst frequency by 40% or more in customers’ water networks.
Veolia Water UK installation
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LOWEROPERATINGCOSTS
+ Remote monitoring gives managers visibility to network performance and events from any online connection or location
+ Remote PRV control eliminates site visits to adjust PRVs manually
+ Reduced leakage and bursts decrease need for ‘find and fix’ activity
+ Early detection of asset degradation reduces need for routine maintenance visits
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IMPROVEDCUSTOMERSERVICE LEVELS
+Many water networks’ service levels suffer during peak demand, leading to complaints and fines.
+ i2O’s solutions maintain the right pressure, without abrupt changes, minimising customer service problems.
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ENERGYSAVINGS
+ The lower the water pressure you supply to a network, the lower your energy consumption
+ Installed on pumps with variable speed drives, Advanced Pressure Management from i2O can reduce energy consumption by more than 20%
APA Nova Ploiesti (Romania) installation
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EXTENDEDMAINSLIFETIMES
+Many water networks are at or near their service lifetimes
+ Burst frequency is the key trigger for capital-intensive pipe replacement investments
+ Reduced burst frequency significantly extends pipe lifetimes
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i2O WORLDWIDE900+ systems installed in 40 utilities in 21 countries
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i2O MALAYSIA
4 systems10.36 Ml/d
3 systems1.21 Ml/d
Logging in progress1 system + 3 reservoir
sensors
229 systems51.36 Ml/d
6 systems3.59 Ml/d
8 systems2.78 Ml/d
Total 251 systemsSaving 69.5 Ml/d
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+ Advanced Pressure Management technology is quick to implement: Under 2 hours
+ Rapid NRW reduction: Over 69 Ml/d
+ Deferred capital expenditure needed for new water plant
+ Average payback for Malaysian Water Companies: 5 months
IMPLEMENTING i2O SOLUTIONS IN MALAYSIA
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SYABAS
+ Largest water concessionaire in Malaysia (supplies 7 million consumers)
+ Cut leakage by 40 million litres per day
+ Reduced burst frequency by 48%
+ Expanded Advanced Pressure Management from 50 to 100 to 200 installations over 2 years
ADVANCED PRESSURE MANAGEMENT EXAMPLES
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ADVANCED PRESSURE MANAGEMENT EXAMPLES
Manila Water
+ Serves more than 6 million consumers in Manila, Philippines
+ 10 MLD pump station cut energy consumption 24% on weekends, 14% on weekdays
+ Cut network leakage by 800,000 litres per day on weekends, 500,000 liters per day on weekdays
+ Radically improved level of service from network pumps (failed daily prior to i2O installation)
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ADVANCED PRESSURE MANAGEMENT EXAMPLES
Veolia Water
+ Provides water and wastewater services throughout the UK
+ Achieved savings on operational costs of 80%
+ Improved customer service
+ Reduced water loss from eight “problem DMAs” by more than 1.5 MLD
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Q3 -2010 Q4 - 2010 Q1 - 2011 Q2 - 2011 Q3 - 2011 Q4 - 2011 Q1 - 2012 Q2 -20120.000
0.010
0.020
0.030
0.040
0.050
0.060
0.070
DMAs without a PRV DMAs with a PRV (non i2O) DMAs with a PRV (i2O)
During the two last years the number of mains repairs was reduced by nearly 75% in DMAs equipped with i2O systems.
ADVANCED PRESSURE MANAGEMENT EXAMPLES
+ Number of mains repairs (per thousand properties) identified by type of pressure management
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ADVANCED PRESSURE MANAGEMENT EXAMPLES
NWC and Jeddah City Business Unit (JCBU)
+ Advanced Pressure Management pilot on two District Zones
+ Systems installed and optimised in 2 days
+ 20% pressure reduction
+ 10% leakage savings
+ 40% reduction in pipe bursts
+ Remote control capability improved efficiency
+ Enhanced benefits for District Zones with continuous supply
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ADVANCED PRESSURE MANAGEMENT EXAMPLES
NWC and Jeddah City Business Unit (JCBU) Change from a fixed PRV outlet to a flow modulated pressure within the Zone
Pressure is stabilized at critical point inside the Zone
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PROVEN RETURNON INVESTMENT
+ i2O customers typically achieve ROI within 6-12 months
Sources of ROI Typical Benefit
Leakage reduction 20%
Burst reduction 40%+
Operating cost reduction 40% less ‘find and fix’; Fewer scheduled visits
Customer satisfaction improvement Reduce network-related complaints
Energy savings 20%
Asset lifetime improvement 5+ years