techniques and technology for water leakage management mike tennant ba (hons), dipm director of...
TRANSCRIPT
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Techniques and Technology for Water Leakage
Management
Mike Tennant BA (Hons), DipM
Director of Sales and Business Development
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Content
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Brief Introduction to Halma Water Management
Strategy for Leakage Control
Assess – DMA, Flow Measurement, Network Model, Data Logging
4
5
6
Localize – Noise Logging ‘Permalog’, Fixed Networks ‘PermaNet’
Locate – Leak Noise Correlation, Acoustic Confirmation
Control – Intelligent Pressure Management
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Halma Water Management
The world’s leading water management company
Proven reputation for innovation, quality and design
Global sales and distribution network
Huge range of best selling products
Equipment used throughout the world
Highly experienced, tailored solutions and support
Uniquely placed to deliver an integrated solution to major projects
Partnerships based on Understanding and delivery
Local presence to support projects
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Halma Water Management
Four water conservation experts now working together as one, with one name, one sales force, one global distribution network and one board of directors.
HWM successfully combines the reputation, experience, innovation, knowledge, products and
customer service of these four well respected companies into one global solution for the industry.
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Halma Water Management
Palmer Environmental The worlds largest supplier of leak detection and pressure control equipment to manage leakage in water networks. Designed the first correlator in 1979 and have pioneered acoustic noise logging and fixed network systems.
Radcom TechnologiesMarket leader in the design and manufacture of rugged, innovative data logging and telemetry equipment for water and environmental industries. Now introducing innovative Wastewater solutions.
Hydreka Specialised flow measurement systems for all parts of the water cycle, including open channel systems and environmental monitoring.
Fluid Conservation Systems Market specialist in the USA for Palmer, Radcom & Hydreka products.
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Halma Water Management – Sales Structure
HWM is an export driven company with a team of dedicated Sales Managers negotiating framework agreements with customers and distributors throughout the world.
Sales Sales ManagerManager
AsiaAsia
Sales Manager Sales Manager ChinaChina
Sales Manager Sales Manager EuropeEurope
Sales Sales ManagersManagers
UK x2UK x2
HWMHWMMiddle East Middle East
Sales Manager Sales Manager CanadaCanada
Sales Sales Managers x6Managers x6
Hydreka ExportHydreka Export TerritoriesTerritories
Sales Sales Manager Manager
ROWROW
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We have a worldwide network of distributors covering almost all geographic regions and experience in supplying direct to aid/government funded projects
Over 50DistributorCountries
AlgeriaArgentinaAustraliaBulgariaBelgiumBoliviaBosniaBrazilCanadaChileChinaColombiaCroatiaCz RepDenmarkEcuadorEgyptFinlandFranceGabonGermanyGreeceHong KongHungaryIndiaIndonesiaIranIrelandItalyIvory CoastJapanJordanKenyaKorea KosovoLatviaMalaysiaMexicoMoldovaMoroccoNew Zealand NorwayPakistanPeruPhilippinesPolandPuerto RicoRomaniaRussiaSaudi ArabiaSerbiaSloveniaSouth AfricaSpainSwedenThailandTunisiaTurkeyUkraineUruguayVenezuela
Halma Water Management – Distributors
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Why Detect Leaks?
““Throughout the world, water resources continue to be spoiled, wasted and degraded. The consequences for humanity are grave”
Ban Ki Moon United Nations
Secretary-General December 2007
Cartoon courtesy of the World Bank (Water & Sanitation Sector)
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Assess
Localize
Locate(Pinpoint)
Pressure Control
The process of measuring flows of water in the network to establish how much is being lost and in which areas, includes establishing DMA’s, Flow Measurement and Data Logging
Localisation - identifying potential leak areas within the water network
Correlation – pinpointing a leak location to within a few centimetres Confirmation - using acoustic microphones to verify the leak positionCustomer Side – identifying leaks on the customer’s side of the meter
Reducing pressure to save water, minimise leakage, extend asset life and reduce burst frequency
Strategy for Water Leakage Management
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Assess
Flow Measurement Solutions
Data Logging & Telemetry Solutions
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Establishment of DMA’s
Traditional DMA Model -Create district metered areas, install flow measurement devices and data loggers
Consider the implications, and best practice (DMA size v localisation) balance for you – What is the best Solution for your Network
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DMA concept
Reservoir
Pump
District Meter &Pressure Sensor
Zonal MeterDV
DMV
DMAWPZ
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Flow Measurement Solutions
for the Water Network
Flow Measurement Solutions
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Flow Measurement Solutions - HydrINS
HydrINS ElectromagneticInsertion Flow-Meter
Easy installation with hot-tap capability no need to stop
flow or cut pipeFlow and pressure measurement.
Measures water velocity in full pipes.Advanced processing techniques provide
high accuracy even at low flow rates.Choice of stem lengths. Submersible transmitter.
Sturdy construction (3mm thickness on 700mm and 1000mm stem lengths)
Probe head with flow
direction arrow and
alignment bars
Communication Port
& Pulse output
Safety chain
Plastic stopper C
Brass clamping nut
Pressure monitoring
port
Sensor
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HydrINS ElectromagneticInsertion Flow-Meter
Flow and pressure measurement. Measures water velocity in full pipes.
Advanced processing techniques provide high accuracy even at low flow rates.
Easy installation with hot-tap capability.Choice of stem lengths. Submersible transmitter.
Sturdy construction (3mm thickness on 700mm and 1000mm stem lengths)
HydrINS is one of the most accurate flow measuring devices available on the market, particularly at low flows
Probes can be supplied in 4 different insertion lengths depending on the pipe size:
300mm (12”)500mm (20”)700mm (27”)1000mm (39”)
They can be used on any pipe between 100mm (4”) to 8000mm (360”)
Flow Measurement Solutions - HydrINS
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ChronoFLO Clamp On Transit Time Flow-Meter
Non invasive flow measurement No loss of pressure or risk of leakageStable flow measurement in difficult
conditions on most pipe material Advanced digital technology
Highly accurate even at low flowsPortable or fixed using battery or mains Rugged for field use and easy to deployLCD displays flow rate in both directionsOptional gauge measures pipe thickness
Flow Measurement Solutions - ChronoFLO
Measure Flow – Measure Flow now
Site Setup – Enter site parameters
System Setup – Your meter preferences
Data Management – File and Logging options
Diagnostics – Advanced functions
Charge Battery – Charge battery
Setup Summary – View important settings
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Flow monitoring
Halma Water Management flow monitoring equipment
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Providing flow information – where is the water going?
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Analyse trend information
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Radwin automated leakage statistics
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Traffic light system
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Case Study - DMA Set-Up in Veolia 3-Valleys
Water
Ian DeCiantis
Leakage & Network Support
Team Leader Eastern/Western Regions
Three Valleys Water
Nov Mihajlovic
IT Applications Developer
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English Channel
London
R. Thames
English Channel
London
R. Thames
Veolia Water Supply Area
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TVW Reporting Structure
6 Resource zones
33 Hydraulic zones
780 District zones
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DMA concept
Reservoir
Pump
District Meter &Pressure Sensor
Zonal MeterDV
DMV
DMAWPZ
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Typical Location
Data-Handling
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Modem to Modem communications
GSM Network
GSM modem
Daily messages
Daily Messages
Server picks up the daily messages from GSM or SMS loggers
DAILY MESSAGES
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Typical DMA flow profile
From one of our 750+ District meter areas
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Company Reports
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Data Logging Solutions
Data Logging & Telemetry Solutions
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Why use Data Loggers?
To gather data on network performanceTo plan network expansion, pressure zones, DMA’sTo create network modelsTo ensure regulatory complianceTo measure leakageTo verify performance of Pressure Reducing Valves (PRV)
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LowFlow
HighPressure
Data collected from the logger shows
that when the flow of water is low during the night, the water pressure increases. This feeds leaks and increases water lost
through leakage.
In this example, HWM provided the
equipment needed to regulate the pressure
automatically, thereby making
instant savings in water consumption.
Data received from a two channel logger recording flow and pressure from the same site.
Why use Data Loggers?
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Data Logging – Portable Solutions
LoLogLL / VistaTwo Input Channels
All LoLog features with one or two input channels
Memory 16,000 readings LCD display (Vista
only)Vista can be used as a
solid state pressure gauge, or local indicator
for other electrical signals (e.g. digital flow
meters)
LoLogSingle Input Channel
Can be attached to any pulse output meter.Can be used to help
planners assess demand in residential areas.
Waterproof and portableIP68 submersible5 year battery life
Infra Red Rugged Design
Pressure TransientSpecialised logger
Ideal for monitoring rapid pressure changes in
water pipes generated by pumps, Pressure
Reducing Valves (PRV) and other valves.
Supplied with one input for an external pressure
transducer.
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Data Logging with Telemetry Options
MultiLog SMS/GSMAdvanced Data Logger
PSTN, SMS & GSM Up to 4 inputs.
Monitors any combination of digital or analogue signals. No maintenance for 5 years.Can perform dynamic flow and pressure analysis of
network models.Can conduct “fast
sampling”.5 year battery life.
MultiLog LXMid Range Data Logger
One or two digital flow
input capabilities. Internal pressure sensor
Advanced SMS data compression
Ideal for monitoring flow and/or pressure to assess
demand, leakage and conformance.
5 year battery life.
MultiLog GPRSCellular Telemetry
Logger
Downloads data to PC by sending an email directly
from the logger. Can send hourly data if
required for near real time monitoring – making it ideal
for dynamic flow and pressure analysis of
network models.
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Flow Zones provide valuable data to assess leakage
From one of our 750+ District meter areas
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DMA concept
Reservoir
Pump
District Meter &Pressure SensorZonal MeterDVDMV
DMAWPZ
Question: How Big should your DMA be? Do you need a DMA or larger flow measurement?
Creating DMA’s is expensive and time consuming – but gives valuable data
Insertion flow meters and modern data loggers make it much easier
Modern leak localisation can be used within or independent of DMA’s
The choice is yours to find the best ‘fit’ to your network
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Localise
Leak Detection Solutions
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Leak Localisation – Step Testing
Step Testing is an alternative approach to Noise Logging and works at low pressure and on
plastic pipes
It works by continually measuring the flow of water
into a DMA as valves are shut off in sequence.
Testing usually takes place during the night when water
consumption is at its lowest so that shutting off the supply
causes minimum disruption.
The areas of the pipeline showing unexpected water
losses can then be identified and investigated.
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Leak Localisation – Step Testing
MAST (Mobile Advanced Step Tester) is a radio based system which gives the operator immediate notification of flow
change at the receiver as a valve is operated.
This allows potential leak areas to be quickly identified and quantified, avoiding the need to complete a full step test for
later comparison with logged data.
The MAST system comprises two instruments:
• Data logger with high power radio transmitter• Portable flow indicator/recorder with integral radio receiver
MAST has recently been extensively redesigned to be more portable and user friendly. The new system (MAST II) also
features improved radio telemetry.
The Original MAST
The New MAST II
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Leak Localisation – Noise Logging used in a DMA set-up or independently
Loggers detect noise created by leaks.They are easily deployed on valves using magnets and can be placed permanently or moved from site to site. Using them causes no interruption to water supply.
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Permalog+®
Permalog+ is an intelligent noise logger designed for permanent deployment or tactical deployment to survey
large areas of network quickly and effectively
• Fully automatic intelligent logger• Adaptable to all network situations• Innovative design for rapid deployment• Compact size• Low unit cost• Long battery life (5-7 years)• Patent protected• Aqualog extended logging mode• Flexible Data Collection: “Lift and Shift” “Drive By Mode” “PermaNet via Radio Network” “PermaNet via SMS Repeater”
Upgradeable to fixed network solution
Leak Localisation – Noise Logging
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Since the Permalog+ was launched in 2007, over 40,000
units have been deployed successfully
throughout the world.
When these figures are combined with sales for older
models, there are now over 200,000 Permalogs
in circulation worldwide.
Leak Localisation – Noise Logging
Made in Wales
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Patroller IIDrive-by Data Capture
PDA based
Faster drive-by for reduced patrol times
Distance of transmission up to 150m from logger
Leak Localisation – Noise Logging
Areas using Permalog with drive-by data capture include: Las Vegas, El Paso, Hong Kong, 3-Valleys Water, Thames,
Birmingham, Beijing, Murcia, Almeria & Metz
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Patrol Mode
Standard Patrol Screen
Can be used with ALL
Versions of Permalog
Logger signal every 2 secs
Proven Leakage detection algorithm
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Lift & Shift
Reload database
Signal received
Removes from list
Logger only sends signal
when swiped, then
automatically turns off
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Aqualog Mode
User defined start / stop time
3D AQ graphics
Used for in depth noise logging projects, leakage and detecting UFW users
PC downloadable
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28 Day History
The logger always has the last 28 day history can be displayed graphically or tabular
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GPS Mapping
Loggers scanned on deployment can be given GPS position by PDA, later downloaded to Permalog software. Can plotted on mapping software or exported into your GIS system
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Beijing Olympics 2008Permalog used as a Burst
Monitor
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Three Permalog patrollers and 3,500 Permalogs were recently installed in Beijing’s municipal water distribution system to safeguard its water supply during the Olympics and beyond.
The Beijing Water Group originally purchased a set of 60 Palmer’s Permalogs in 2000. With the increasing demand of water supply and the approaching of Beijing Olympics 2008, the Group decided to improve its urban water network leakage detection system by purchasing more Permalogs.
Beijing Olympics 2008
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管网漏水监测和预警系统案例分享
在 2006 年的“中非论坛北京峰会”期间,在中心区累计发现并修复暗漏点 25 处,有效地预防了爆管事故的发生,确保中非论坛期间无一例爆管事故的发 生,此举受到北京市政府的表彰
在 2007 年的春节及两会期间,中心区共发现暗漏点 263 处,无一例爆管事故发生,有效的保障了春节和两会期间的供水安全
汶川大地震,国家有关部委和专家组又指定Permalog 漏水检测系统为灾后重建恢复管网运行的指定产品
2008 奥运会场馆及奥运村周边地区以及北京市二环以内(含天安门、中南海、王府井等重点区域)进行漏水监测及报警, 并取得了很好的效果,受到国家嘉奖
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Beijing Olympics 2008
Mr. Wang Yaowen, Chief Engineer of the Beijing Water Group said, "The Permalog water network leakage detection system is one of the leading systems in the world. It has been used successfully in many major American and British cities for many years. This project means Beijing’s water networking leakage detection system is as advanced as the other developed cities in the world
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Stokewood Permalog Project
carried out byThames Water
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Stokewood Zone area
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Stokewood WPZ - background
Slough, Windsor, Datchet, Colnbrook and Poyle
28 DMAs
Approx. 30 sq. miles
Approx. 120,000 population
High leakage, high recurrence
Continuous 4-5 leakage staff
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Leak types found
19%
26%
2%10%
9%
22%
12%
Mains SP VP Hydrants CSL OSV Other
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Progress towards target
21
/01
/01
28
/01
/01
04
/02
/01
11
/02
/01
18
/02
/01
25
/02
/01
04
/03
/01
11
/03
/01
18
/03
/01
25
/03
/01
01
/04
/01
08
/04
/01
15
/04
/01
22
/04
/01
29
/04
/01
06
/05
/01
13
/05
/01
20
/05
/01
27
/05
/01
03
/06
/01
Actual Target
2.81Ml/d
1 Ml/d
Leakage level
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Conclusions from project
Very reliable leak finding capability
Productivity increased by x2
Previously unseen amount of leaks identified in a short space of time
15% reduction in MNF within 4 months
Target level met - never previously achieved
Positive response from Area Leakage Engineers (labour-saving)
Significant cost reduction per Ml/d saved
Increasingly cost-efficient with time
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Permalog strategy
Can be adapted to any situation, independent of scale
Well suited to areas of high recurrence and/or high leakage
Manpower savings combined with increased productivity
Long-term, sustainable approach
Becoming increasingly cost-efficient over time
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管网漏水监测和预警系统案例分享——节水,防爆管
水署新法測漏水管 年省逾億 2007 年 4 月 10 日【明報專訊】本港每年耗水約 9 億多立方米,由於水管老化,當中約四分一是在輸水過程中,在地底悄悄溜走,水務署自 2001 年採用先進的探測儀器,及早發現地底水管滲漏位置,進行補救,有別過去依靠人手檢查。單是過去 5 年,估計累積「慳水」 2.6 億立方米,相當於 8.5 億元的食水。
新技術可及早發現喉管問題,令爆水管情 減少。水務署資料顯示, 2001/02 年本港爆水管個案共有1884 宗, 2005/06 年只有 1526宗,下降幅度為 19 %。爆水管數字下降,主要由於該署近年採用先進的測漏技術。
新技術減少爆水管情 該署提升水管測漏的效率後,每年發現的滲漏個案,由01/02 年的 5054 宗,下降 25 %至 05/06 年的 3758 宗,即平均每日約 10 宗,單是去年度節省的食水量已高達3945 萬立方米,佔全年供水量的 4 %。
水务署高級工程師林正文应用 Permalog
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PermaNet Fixed Network – Noise Logging
Benefits of the PermaNet fixed leak detection network
Areas with a PermaNet fixed leak detection network currently include Hong Kong,
Birmingham, Inverness, Barnsley, Tonsberg, Cambridge University & Metz
• Automatic leak alarm
• Immediate response – more water saved
• Leak targeted when combined with flow data
• Critical areas under control
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Permalog using 868 MHz
Leak Localisation – Noise Logging - PermaNet
As an alternative to drive by data capture, permanently deployed Permalogs can be combined with Network Radio or SMS Repeater to send leak data directly to an office
PC or mobile phone via dedicated web hosted or local software packages.
SMS/GPRS Radio Data
Logger
Global Net
Booster receiving on 868MHz, transmitting on 153MHz
SMSRepeater
SMS/ GPRS / WIFI Gateway
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Benefits -
DMA’s under control - HRR/ ‘problem DMA’s’
Efficient Intervention - minimise disruption
Leak sizing with real time flow and leak data
Improves reaction time to respond
PermaNet - Permanent Leak Detection System
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SMART Log
AMR
Permanent Leak Detection via PermaNet Options…..
SMS/GPRS Radio Data Logger
SMS/ GPRS Gateway
Global Net
Booster receiving on 868MHz, transmitting on 153MHz
Permalog with Permacom
Flow & Pressure
Acoustic
Leakage
SMS repeater
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Pushing the boundaries…..
10km SubmasterHoylandswaine
5km SubmasterWorsbrough
Central ConcentratorMonk Bretton Res
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Central SMS/GPRS Data Concentrator(The higher the aerial elevation, the increased radio network coverage)
External aerial position, on pump
house roof
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Central SMS/GPRS Data Concentrator(The higher the aerial elevation, the increased radio network coverage)
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Above ground mounted repeater
Range up to 2000m
depending on site
conditions
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Viewing and analysing the data via GlobalNet web database
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GlobalNet Web Viewer - Login
GlobalNet Front Screen Login
HWM PermaNet User Login
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GlobalNet Web Viewer – Summary Screen
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GlobalNet Web Viewer – Registered Permalogs
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Real time Monitoring DMA A233 Monk Bretton
Nightline 4.5 L/SNightline increase on
26/12/07 by 1.2 L/S
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Logger 114 in No Leak mode until
26/12/07, changes to Leak mode to correspond with
DMA flow increase
Real time Monitoring DMA A233 Monk Bretton
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Logger 114
Logger 1154” MB
Real time Monitoring DMA A233 Monk Bretton
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DMA A233 – Monk Bretton Barnsley
DMA Facts
3900 total properties
45 Km mains (mixed materials)
On average takes 85 hours to sweep DMA by traditional methods
196 Permalogs deployed using PermaNet
7.5 L/S project start nightline
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Historical Nightline DMA A233 Monk Bretton
Start of PermaNet Nightline 7.5 L/S
3 months of PermaNet Nightline
4.5 L/S
NEW RECORD LOW
5 YEAR
NIGHTLINE
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Repair History Monk Bretton DMA, Barnsley
Sweep Date Leaks Found
1 05/09/2007 6 Comm Pipe leaks / 2 leaks stopped onsite2 17/09/2007 5 Comm Pipe leaks / 2 stop tap leaks3 24/09/2007 1 Supply pipe leak4 05/10/2007 1 Comm pipe leak5 18/10/2007 1 Comm pipe leak6 26/10/2007 6 Comm pipe leaks / 1 Mains leak / 1 valve leak7 20/11/2007 1 Valve leak8 04/12/2007 NO LEAKS PROMOTED9 07/01/2007 1 Comm pipe / 1 Mains leak / 1 valve leak
Average time taken 26hours per sweep(Last 3 sweeps 10hours each)
(compared to 85hours before)
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Locate
Leak Detection Solutions
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Leak Detection - Correlation
MicroCALL + Digital Leak Noise
Correlator
Automatic 3 outstation correlation
Colour graphicsAdvanced software
MicroCorr DXDigital Leak Noise
Correlator
Digital sensors, transmission and
processingCompact design
MicroCorr 7PDA/PC based Leak
Noise Correlator
Analogue sensorsPDA/PC interface
Highly portableBluetooth technology
SoundSens “i” Correlating Noise
Loggers
Infra Red download Fast deploymentCustom recording
Cases can be linked
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The correlation formula
L = D - (V x Td)
2
Leak Detection - Correlation
Leak position
LLLV x TdV x Td
DD
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Leak detection
Palmer Environmental leak detection equipment
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Leak detection
SoundSens-i Multipoint Correlator
SoundSens “i” Correlating Noise
Loggers
Infra Red download Fast deploymentCustom recording
Cases can be linked
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Leak Detection – Confirmation
Lmic Electronic listening
stick
PortableLightweight unit
Easy “trigger” operationVolume/sensitivity rotary
control Excellent performance
Xmic LiteGround Microphone
System
High quality soundAuto and manual filtering
Multi function displayMinimum (noise) level
profiling (MLP)Hand probe attachment
Xmic Digital Ground
Microphone
Increased functionality, display, filters
Minimum (noise) level profiling (MLP)
Wind / airborne noise protected foot
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Customer Side Leakage
Pinpoints leak locations on acoustically challenging pipelines (e.g. plastic pipes)
In built tracing wire in the 50m reel.
High accuracy of leak detection reduces excavation costs and
improves repair time.
User friendly design
Low cost unit
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Customer Side Leakage - Leakfrog
Easy to deploy and collect.
Easy to interpret results.
Indicates leakage, wastage and flow.
Custom LCD display indicates
Interval between pulses, leak size, unit activity and other data.
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Automatic Meter Reading - SMART System
Low cost alternative to fixed network AMR
Rapid drive-by download speeds
Can be used to:
• provide accurate customer billing• monitor customer side leakage,• enforce drought restrictions• apply rising block and/or seasonal tariffs • detect meter fraud.
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Timely repairs
Repair all leakage identified from active leakage detection survey
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Control
Pressure ControlSolutions
![Page 90: Techniques and Technology for Water Leakage Management Mike Tennant BA (Hons), DipM Director of Sales and Business Development](https://reader036.vdocuments.site/reader036/viewer/2022062407/56649cfa5503460f949cc493/html5/thumbnails/90.jpg)
Simple and immediate method of reducing leakage
Reduced volumetric flow
into a zone
Lower pressure-related
consumption
Fewer burst pipes
More consistent service
to the consumer
Pressure Management: Why Manage Pressure?
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Why Control ?How Does A PRV Work?
When adjusting the pilot, screw in and the PRV increases pressure on the outlet, by venting water from the PRV top chamber
When adjusting the pilot, screw out and the PRV decreases pressure on the outlet, by filling the PRV top chamber with water
Typical pilot adjusting screw
Water in the top chamber then pushesthe PRV seat down and releases the seat upwards when water is vented
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Typical FM Site Installation
![Page 93: Techniques and Technology for Water Leakage Management Mike Tennant BA (Hons), DipM Director of Sales and Business Development](https://reader036.vdocuments.site/reader036/viewer/2022062407/56649cfa5503460f949cc493/html5/thumbnails/93.jpg)
PRV & Meter
Solenoid Box(end view)
FM - ControllerBox
(end view)
Using UpstreamPressure To Control
Actuator
Manual SafetyOverride
FM Installation Plan
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Without PRV Controller
Fluctuating demand
Constant pressure
Total week’s flow 13.6Ml
Nightline
Maximum demand
Lowest Demand. Lowest Demand. Pressure Much Too High!Pressure Much Too High!
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With PRV Controller
Fluctuating demand
Pressure adjusted accordingly
12.8Ml in the week
New nightline
Immediate WaterSaving of 6%
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HWM Pressure Management Solutions
ControllerCom
High Visibility Comms
Can be fitted to any HWM controller
Logs dataTwo way SMS reporting
GSM communicationAlarm option
Fully adaptable Versatile set up options.
Hydraulic ActuatorAccurate PRV Control
Long life brass buildActs as the interface
between hydraulic PRV and electronic controller
Fitted in place of the adjusting screw on the standard pilot on PRV
Easy to install
ControlMate FM Pressure
Management System
Enables pressure into a zone to be continually adjusted according to actual demand (flow modulation) or a pre-
programmed time.
Maximum potential water savings.
ControlMate 2Pressure
Management System
Enables pressure into a zone to be switched between two pre-set values (low and high)
Easy to use.Self contained.
5 year battery life.
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UK Pressure Management
The Thames Valley Experience
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Pressure Management The Thames Valley Experience
Thames Valley Area and Leakage Position
Types of Pressure Control
Recognising the full Benefits
Tall Buildings and LIDAR Data
The Future
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Our region
Over 31,000km of water mains and 8 million customers
Nearly 68,000km of sewers and 13.8 million customers
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Leakage position
Leakage in the Thames Valley at its lowest for ten years and is comparable to other water companies in England and Wales.
Our challenge is greatest in London, where over a third of our mains are over 150 years old
We began in 2002 a long term programme of mains replacement in London – the only truly sustainable way to bring down leakage.
Replacing mains is expensive and disruptive. The complexity and scale of the work is unmatched by any other water company.
This is a part of our wider water resources plan for the future when demand is expected to increase and our supply resources will change
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Thames Valley Operational Leakage
80
90
100
110
120
130
140
150
160
170
180
6-A
pr-01
29-Jun-0
1
21-S
ep-0
1
14-D
ec-01
8-M
ar-02
31-M
ay-
02
23-A
ug-0
2
15-N
ov-
02
7-F
eb-0
3
2-M
ay-
03
25-Jul-0
3
17-O
ct-0
3
9-Jan-0
4
2-A
pr-04
25-Jun-0
4
17-S
ep-0
4
10-D
ec-04
4-M
ar-05
27-M
ay-
05
19-A
ug-0
5
11-N
ov-
05
3-F
eb-0
6
28-A
pr-06
21-Jul-0
6
13-O
ct-0
6
Mld
OperationalLeakage
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PRV Photos
Fixed Outlet PRV Time Switched Controller.
Closed Loop System
Flow Modulation
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Wide Open to Fixed Outlet
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Timed Profile
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Flow Modulated
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Advantages of Flow Modulation.
• Fully flow modulated manages & stabilises Network pressure 24hours a day, not only night time pressures.
• Complies with the Fire Brigades requirements.
• Controllers are easily by-passed should they become suspect.
• Set to fail at max outlet pressure of the PRV.
• Can Reduce Headloss.
• Reduces Daily Demand over a 24 hr period
• Wessex Controllers instantly react to changes in flow
•Reduction in Active Leakage Detection in area completed
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Typical flow modulated Wessex controller installation
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Recognising the Benefits
Instant Leakage and Distribution Input Saving
Transmission Benefits
Stable Pressure means reduced:bursts
Leakage Recurrence
Detect and Repair Activity
Cost to maintain stable leakage level
A calm network for Operations and the Customer
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HWM Pressure Management Solutions
ControllerCom
High Visibility Comms
Can be fitted to any HWM controller
Logs dataTwo way SMS reporting
GSM communicationAlarm option
Fully adaptable Versatile set up options.
Hydraulic ActuatorAccurate PRV Control
Long life brass buildActs as the interface
between hydraulic PRV and electronic controller
Fitted in place of the adjusting screw on the standard pilot on PRV
Easy to install
ControlMate FM Pressure
Management System
Enables pressure into a zone to be continually adjusted according to actual demand (flow modulation) or a pre-
programmed time.
Maximum potential water savings.
ControlMate 2Pressure
Management System
Enables pressure into a zone to be switched between two pre-set values (low and high)
Easy to use.Self contained.
5 year battery life.
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Controller Performs Well when a Shopping Centre Catches Fire at 4am
3032343638404244464850525456586062
-50050100150200250300350400450500550600650700750m cum/hr
08:00 12:00 16:00 20:00 00:00 04:00 08:00 12:00 16:00 20:00 00:00 04:00 08:00 12:00 16:00 20:00 00:00Fri 8 Apr 2005 08:00 (hour:min)
Eagleby DMALineSite NameEagleby DMAEagleby DMA
MeasurandPressureFlow 1Unitsmcum/hr
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HWM Customers
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Key Customer References
• Strategic Framework Partner to Water Companies throughout the world, including:
Thames Water, Veolia Water, Suez, Sino-French, WSD Hong Kong, Beijing Water, Scottish Water, Yorkshire Water, United Utilities, South Staffordshire Water, Southern Water, Wessex Water, Essex and Suffolk / Northumbrian Water, 3-Valleys Water
• Worldwide Customer base including Middle East, Asia, Americas and Europe
• Expertise and experience in large contract supply and support
• All Major UK Water Companies supplied
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HWM Training Support
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HWM Training Support
Examples of HWM 1,2 and 3 Day Training Courses
Leakage Detection & Management
Book (125 pages)
On Site Support & Servicing
There is no use HWM supplying the best equipment if our customers don’t know how to use it properly! Our training is designed to improve confidence, performance and results.
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The First Water Management Training Facility Built in Wales
Every Water Company in the United Kingdom has trained at this site
Many international visitors have trained here too
HWM Training Support
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Halma Water Management
The world’s leading water management company
Proven reputation for innovation, quality and design
Global sales and distribution network
Huge range of best selling products
Equipment used throughout the world
Purpose built UK based training facility
Highly experienced, tailored support
A clear vision for the future of water management
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Any Questions?