Standard Definitions for Water Losses.

• Author: Pearson, David.
• Place / Publishing House: London : : IWA Publishing,, 2019.; Ã2019.
• Year of Publication: 2019
• Edition: 1st ed.
• Language: English
• Physical Description: 1 online resource (78 pages)

Table of Contents

Cover -- Contents -- List of Acronyms -- Standard Symbols for Numeric Values -- Standard Abbreviations for Units -- Standard Abbreviations for Pipe Materials -- Water Resources -- Potable Water -- NON-potable Water -- Raw Water -- Yield of Water Resource System -- Deployable Output -- Available Supply -- Outage -- Demand -- Water Resource Zone (WRZ) -- Water Supply Zone (WSZ) -- Supply Reliability -- Headroom -- Water Supply Coverage -- Water Supply Network -- Water Distribution Network -- Network Hierarchy -- Drought -- Drought Restrictions -- Supply -- Rotational Supply -- Rotational Supply Designation -- Supply Time (ST) -- Intermittent Water Supply (IWS) -- Distribution Network Assets -- Aqueduct -- Transmission Main -- Service Reservoir (SR) -- Main -- Edge of Street (EoS) -- Service Pipe -- Service Connection -- Shared Connection -- Short-side Connection -- Long-side Connection -- Private Service Pipe -- Common Private Service Pipe -- Private Service Pipe -- Connection -- Legal Connection -- Illegal Connection -- Connection Density -- Connection Ratio -- Active Property -- Inactive Property -- Property -- Property Density -- Occupancy -- Step Valve -- Circulating Valve -- Boundary Valve -- Meter Box -- Stop Tap Chamber -- External Stop Tap -- Internal Stop Tap -- Stop Tap -- Tapping -- Tapping Point -- Tapping Tee -- Ferrule -- Appurtenances -- Fittings -- Wash Out (WO) -- Fire Hydrant (FH) -- Hydrant -- Air Valve (AV) -- Sluice Valve (SV) -- Butterfly Valve -- Pressure Control Valve -- Altitude Control Valve -- Pressure Sustaining Valve (PSV) -- Pressure Reducing Valve (PRV) -- Pressure Relief Valve -- Flow Metering -- Volumetric Meter -- Positive Displacement Meter -- Turbine Meter -- Electromagnetic Meter (EM) -- Ultrasonic Meter -- Full-bore Meter -- Insertion Meter -- Meter Calibration -- Meter Verification -- Flow -- Flow Meter.

Flow Logger -- Pulse Unit -- Abstraction Meter -- Production Meter -- Distribution Input Meter -- DMA Meter -- Bulk Meter -- Non-revenue Meter -- Revenue Meter -- Meter Reading Lag -- Automatic Meter Reading (AMR) -- Advanced Metering Infrastructure (AMI) -- Smart Meter -- IWA Standard Water Balance -- System Input Volume -- Authorised Consumption -- Revenue Water -- Billed Authorised Consumption -- Billed Metered Consumption -- Billed Unmetered Consumption -- Unbilled Authorised Consumption -- Unbilled Metered Consumption -- Unbilled Unmetered Consumption -- Non-Revenue Water (NRW) -- Unaccounted for Water (UFW) -- Water Losses -- Non-technical Losses -- Apparent Losses (AL) -- Unauthorised Consumption -- Data Handling and Billing Errors -- Underestimation of Unmeasured Consumption -- Customer Metering Inaccuracies -- Technical Losses -- Real Losses (RL) -- Leakage and Overflows from Utility Storage Tanks -- Leakage on Service Connections up to the Point of Customer Metering -- Leakage on Transmission and&amp -- sol -- or Distribution Mains -- Point of Supply -- Plumbing Losses -- Consumption -- Per Capita Consumption (PCC) -- Per Household Consumption (PHC) -- Small Area Monitor (SAM) -- Individual Household Monitor (IHM) -- Diurnal Demand Pattern -- Leakage Management -- Leakage Control -- Leakage -- Daily Leakage -- Night Leakage -- Zone -- District Metered Area (DMA) -- Net Flow -- Sub-DMA -- Attributes -- Minimum Night Flow (MNF) -- Minimum Flow (MF) -- Total Integrated Flow Method (TIF Method) -- Minimum Night Flow Method (MNF Method) -- Legitimate Night Consumption (LNC) -- Legitimate Domestic Night Consumption (LDNC) -- Legitimate Non-household Night Consumption (LNHHNC) -- Continuous Logged User (CLU) -- Operability Test -- Top Down Leakage Assessment (TD) -- Bottom Up Leakage Assessment (BU) -- Downstream Leakage -- Upstream Leakage.

Minimum Achieved Night Flow -- Minimum Achievable Night Flow (Mabl) -- Unavoidable Annual Real Losses (UARL) -- Background Leakage -- Unavoidable Background Leakage (UBL) -- Infrastructure Condition Factor (ICF) -- Burst Frequency -- Mains Burst Frequency -- Service Pipe Burst Frequency -- Service Connection Burst Frequency -- Private Service Pipe Burst Frequency -- Natural Rate of Rise of Leakage (NRR) -- Smart Network -- Leaks -- Circumferential Break -- Longitudinal Break -- Split -- Other Failure Modes -- Leak -- Leak on Main -- Leak on Service Connection -- Leak on Private Service Pipe -- Leak on Appurtenances -- Reported Leak -- Unreported Leak -- Leak Duration -- Awareness Time -- Location Time -- Repair Time -- Leakage Detection -- Active Leakage Control (ALC) -- Leakage Detection Survey -- Regular Sounding -- Passive Leakage Control -- Reactive Survey -- Locate, Localise, Pinpoint -- Area of Interest (AOI) -- Equivalent Service Pipe Burst (ESPB) -- Leakage Detection Techniques -- Leak Noise Correlator (LNC) -- Correlator Survey -- Stop Tap Sounding Survey -- Mains Appurtenances Only Sounding Survey -- Surface Sounding -- Manual Listening Stick -- Electronic Listening Stick -- Ground Microphone -- Pressure Zero Test (PZT) -- Acoustic (Noise) Loggers -- Correlating Acoustic Loggers (CAL) -- Remote Sensing -- Non-Intrusive Leak Detection -- Intrusive Leak Detection -- Ground Penetrating Radar (GPR) -- Gas Injection -- Step Test -- Temporary DMA Rezoning Test -- Leak Repairs -- Repair Clamp -- Piece Through Repair -- Pressure Management (PM) -- Pressure Gauge -- Pressure Logger -- Pressure -- Transients -- Pressure Reduction -- Fixed Outlet Pressure Management -- Time Modulated Pressure Management -- Flow Modulated Pressure Management -- Critical Pressure Control Pressure Management -- Discrete Pressure Area (DPA) -- Pressure Managed Area (PMA).

Critical Point (CP) -- Average Zone Point (AZP) -- Average Zone Pressure -- Average Zone Night Pressure (AZNP) -- Average Operating Pressure (AOP) -- Hour to Day Factor (HDF) -- Fixed and Variable Area Discharge (FAVAD) -- N1 Factor -- N1 Step Test -- N2 Factor -- N3 Factor -- Mains and Service Pipe Rehabilitation -- Mains Relining -- Open Cut Replacement -- Pipe Bursting -- Slip Lining -- Roll Down -- Die Drawing -- Service Pipe Rehabilitation -- Pipe Condition Surveying -- Pigging Chamber -- Mains Flushing -- Leakage Modelling -- Demand Calibration -- Component Loss Model (CLM) -- Hydraulic Modelling -- Economic Level of Leakage (ELL) -- Apparent Loss Management -- Meter Under-Registration (MUR) -- Economic Level of Apparent Losses (ELAL) -- Performance Indicators (PIs) -- Performance Indicators for Non-Revenue Water -- Performance Indicator for Apparent Losses -- Performance Indicators for Real Losses -- Current Annual Real Losses (CARL) -- Infrastructure Leakage Index (ILI) -- Losses per Connection (when system pressurised) -- Losses per Unit Length of Main (when system pressurised) -- Pressure Management Index (PMI) -- Normalised Mains Burst Frequency -- Normalised Service Pipe Burst Frequency -- Normalised Service Connection Burst Frequency -- Normalised Private Service Pipe Burst Frequency -- Financial -- Marginal Cost of Water (MCW) -- Marginal Value of Water (MVW) -- Marginal Cost of Revenue (MCR) -- Capital Expenditure (CAPEX) -- Operational Expenditure (OPEX) -- Discounted Cash Flow (DCF) -- Information Technology -- Geographical Information System (GIS) -- Work Management System (WMS) -- Leakage Management System (LMS) -- Customer Contact System -- Customer Billing System -- Waste Notice System -- Index.