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Utilizing Smart Technology for Water Distribution
Management
Dr. Abdulrahman Alshehri
General Manager of Smart OperationNational Water Company
Saudi Water Forum 2019
Utilizing Smart Technology for Water Distribution Management
Dr. Abdulrahman Alshehri
General Manager of Smart OperationNational Water Company
Saudi Water Forum 2019
Content
Smart Network in Water Distribution
Technologies & Solutions
Smart Network Pilot Application
Challenges & Looking Forward
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network in Water Distribution
Technologies & Solutions
Smart Network Pilot Application
Challenges & Looking Forward
Smart Network in Water Distribution
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Why Need Smart Water Network
Water distribution has traditionally been a low-tech sector.
Significant challenges require new approach:• Population growth• Increasing urbanization• Inefficient network• High expectations of service quality • Water scarcity• High cost of water • Ageing assets
Technological advancements provide new opportunities to address these challenges
Smart Network in Water Distribution
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
What Is Smart Network
Integrated set of products, solutions and systems that enable utilities to remotely and
continuously monitor and diagnose problems, prioritize and manage maintenance issues and
use data to optimize all aspects of the network.
Provide water customers with the information and tools they need to make informed
choices about their behaviors and water usage patterns
Comply transparently and confidently with regulatory and policy
requirements on water quality and conservation
Smart Network in Water Distribution
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network Approach
Information Integration Innovation
making full use of all data produced
utilizing IT systems to maximize investments
having the flexibility to meet future challenges
Smart Network in Water Distribution
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network Approach
Operation SystemsNetwork Sensors
Information Integration Innovation
Smart Network in Water Distribution
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network ApproachNetwork
• Sectorization (DZ/DMA)• Infrastructure works• Hydraulic integrity
2 3 4 5 6
• New Operation Plan & SOP• Build staff capacity on advanced Systems• Know-How Transfer• Agile & predictive operational model
Operation
• types of data needed• Suitable sensors
Sensors
• Locations• How many
• Auto Pressure Modulation• AMR / SMI• GIS & Hydraulic Models• Remote leakage detection
Systems
Real
Time
GP
RS PSTNW
MAX
XDSL
• Flow monitoring (water & WW)• Water Quality monitoring• Integrated WMS
.
.
.
Smart Water Distribution
Smart Network in Water Distribution
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network Approach
Smart water network is not just a collection of advanced equipment, but a comprehensive and integrated enhancement on all aspects of the business.
Smart is not just technology, it’s a mindset
strong expertise in water networks management combined with optimized tools and information systems is the key for Smart Water Networks !
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network in Water Distribution
Technologies & Solutions
Smart Network Pilot Application
Challenges & Looking Forward
Technologies & Solutions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Technologies in Water DistributionSmart Technologies & solutions for water distribution can be divided into two categories:
• Physical (valves, sensors, controls, meters, analyzers)• Virtual (data handling, software, communications, integration, automation algorithms)
Source: SENSUS Water 20/20
Technologies & Solutions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Pressure Sensors• Pressure Sensors and flow meters are critical tools for operating any water network system• Wireless transmission of measurements through GSM or radio communication• Can provide alerts for abnormalities (SCADA, SMS)
Technologies & Solutions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Pressure Control
Pressure Control Valves (PRVs) are valuable tools for water network operationPRVs can be manual, and also automatically controlled for smart pressure modulation
Technologies & Solutions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Pressure Control
• Automatic Pressure Management with modulating controller• Automatically adjust PRV to provide needed pressure 24/7• No need for operator input• Transfer pressure variation from inside the network to the PRV.
Controller on entry valve to the zone, automatically modulates pressure based on demand, daily, without
user interference
Change from a fixed PRV outlet to a flow modulated pressure within
the Zone
Pressure is stabilized at critical point inside the Zone
Technologies & Solutions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Metering & AMR
Replacing mechanical meters with smart meters:- Non moving parts- Ultrasonic or electromagnetic measurement technology, enhances accuracy- No impact of air on measurements (in intermittent supply)- Alerts & Alarms available from Smart meters (low flow, backflow, leakage, battery, tampering, etc.)
Technologies & Solutions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Metering & AMR
Automatic & remote collection of consumption data from Smart Meters
NWC Systems
6 Minutes
NWC-AMR
SFTP
amr.nwc.com.sa
Read and Alarms
UI
Bu
lk m
eter
s p
roto
cols
Gateways
Drive By
Bulk meters
Centralized AMR System @ NWC
Smart Meters
AMR (automated meter reading) :
• Long-range VHF radio communication between meters & gateways
• Gateways communicate to NWC through GPRS
• Each meter periodically transmits : meter reading, backflow, leak alert, fraud alarm, battery etc.
• Secured data transmission
• Central Metering Data Management system
• Dedicated Web service to customers
MDM
Technologies & Solutions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Fixed leakage detection (Noise Loggers)
• leak monitoring system offers the possibility of detecting the locations of leaks at an early stage.• The technology is dependent on pipe material, distance, and external noise• Requires skilled operators for interpretation and decision making
Technologies & Solutions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Water Quality
• online analyzers provide remote monitoring of water quality parameters.• Parameters available are limited by advances in equipment adaptability to field conditions• Interrupted supply could damage membranes• LIMS provide a platform to collect, analyze, and distribute water quality data
Technologies & Solutions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Water Management System• WMS integrates all available data from existing systems into a central “data hub”, enabling
Smart Operation decisions on the network, using real time data, or near real-time
• Many providers of different WMS applications
Needs to be:• adaptable to utility needs• Easy to use and customize• Scalable and portable
Technologies & Solutions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Water Distribution Program Visiblity
• The Supply Schedule is published on the Company’s website for all customers to view• Enhanced communication with customers about service, using technology• Example of smart innovation for intermittent supply conditions
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network in Water Distribution
Technologies & Solutions
Smart Network Pilot Application
Challenges & Looking Forward
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network Pilots
• NWC started exploring smart technology for network management, through pilots.• Several pilots are in the works (Jeddah, Madinah, Riyadh)• Below is an overview of a completed successful pilot in Jeddah
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network Pilot in Jeddah
Chosen Pilot Zone : Alsulymaniah District
No. Customers 1000
Population 28,000
Total Demand (m3/d) 9,000
Network length (km) 23
Customers’ reservoirs (m3) 27,000 Integrated into SCADA application
Installed latest technologies
Upgraded infrastructure
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network PilotsImplementing Distribution Zone
• Isolate the zone hydraulically from the rest of the network
• Single entry point to supply the zone with PRV and flowmeter
• Connecting the zone to SCADA
Automatic Pressure Management
• Implementing automatic pressure control through mathematicalalgorethim to adjust pressure based on network behavior, with nointerference from operators
• System can be configured and adjusted remotely from SCADA
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network PilotsAMR
• Raise all meter boxes on the wall
• Replace all meters (966)
• Consumption data can be viewed and analyzed remotely
Fixed leakage detection (Noise Loggers)
• 70 noise loggers installed for nonvisible leakages detection
• Loggers transmit data through SIM cards and GPRS communication
• Analysis of data to determine leakages locations and field intervention
noise detectors in the zone
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network Pilots
Sectorize(DMZ)
Auto Pressure
Mngt
GIS
AMR
Remote leake
detection
water quality
Analyzer
WW Flow
hydraulic model
INTEGRATED
SCADA
APPLICATION
This pilot is unique in the INTEGRATION of technologies from different providers
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
AMR Benefits
Refilling StorageDaily
consumptionSupply
StoppageRefilling Storage
No More Readers
Real NRW
Consumption Behavior
Complaints Analysis
Accurate Bills
Reduce Cost
Sample of real AMR data for a residential customer (villa)
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
AMR Benefits
Non-Ramadan Time Diurnal Curves
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
0:00 3:00 6:00 9:00 12:00 15:00 18:00 21:00 0:00
Diu
rnal
Coe
ffic
ient
Non-Holiday and Non-Ramadan Time
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
0:00 3:00 6:00 9:00 12:00 15:00 18:00 21:00 0:00
Diu
rnal
Co
eff
icie
nt
Ramadan Time
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Ramadan Time Diurnal Curves
• The Smart Zones provided a valuable insight into variation into demand patterns throughout the day, and across the week, and the impact of seasonal changes.
• The lifestyle change for the residents in Ramadan is evident in the graphs below.
• Notice the spike in water demand around Friday’s prayer time.
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Noise Detectors Benefits
70 Noise sensors for leakage detection
27 leaks 8 leaks
noise detectors in the zone
Repairing detected invisible leaks reduces registered noise across the Smart Zone
Noise levels was good surrogate for invisible leakages
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Continuous Supply Benefits
Continuous Supply*
89,151 m3
82,872 m3
6,279 m3
7 %
4
2
16
Supplied Quantity
Registered consumption
Lost Quantity
NRW
No. leaks
Pressure (Bar)
Tankers requests
*10 day samples comparison
Continuous supply results in:
Slight increase in consumption
Intermittent Supply*
84,994 m3
75,436 m3
9,558 m3
11 %
26
4
86
significant drop in losses
significant drop in drop in no. leaks
Better level of service to customers (significant drop in tankers requests)
Intermittent Supply Continuous Supply
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Advanced Pressure Management Benefits• A System of Pressure Regulating Valve (PRV) & automatic Modulating controller• Provide enough pressure to supply all customers, while preventing excess pressure that causes leakages
High pressure outside the zone
Pressure reduced inside the Zone
Controller on entry valve to the zone, automatically modulates pressure based on
demand, daily, without user interference
Excess Pressure reduced > 50%
from 5 bar to 2 bar
Water Demand dropped by 15%
comparing flow data before & after system installation
Change from a fixed PRV outlet to a flow modulated pressure within the Zone
Pressure is stabilized at critical point inside the Zone
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Indoor Leakage Detection
No leak
toilet
meter
ground tank
Roof tank
multiple leaks
leaks
Ground tanks and toilets constitute 80% of indoor leaks
• Customers’ indoor water system (tanks, roof tanks, pluming) is an extension of the water system, and impacts overall consumption.
• Insight into indoor conditions is vital for water network operator
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Zone Business CasePayback on investment Methodology
Project Costs
AMR & Noise sensors 3,770,000
PRV Chamber 540,000
Advanced Pressure Management 125,000
Complementary hydraulic works 283,000
Aquadvanced Water Management system 364,000
TOTAL COST 5,082,000
Gains per Year
Meter Reading cost reduction 46,000
Water Loss saving 625,000
Leaks Repairs reduction 288,000
Complaints Handling 72,000
Billing Accuracy improvement 277,000
Additional costs of operating new systems - 200,000
TOTAL YEARLY GAIN 1,108,000
Payback period of the project = 4.6 years
OPEX savings per customer > 1,000 SAR
Payback period can be reduced below 4 years on future zones (learning curve & economy of scale)
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Zone Demo
Short Video of integrating Smart Zone in SCADA Application:
Monitoring reporting
PerformanceManagement
User friendly interface
Event Management
Smart Network Pilot Application
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Summary of Achieved Benefits
For Nov. 2016, 1st month after commissioning
Comparing 2 weeks before & after Installing Pressure Management
After Installing Pressure Management & advanced Press. Management
Comparing Qrt 4 2015 vs 2016 Business Case Analysis
The smart zone is still operational today, with limited operator interference
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Smart Network in Water Distribution
Technologies & Solutions
Smart Network Pilot Application
Challenges & Looking Forward
Challenges & Looking Forward
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Challenges to Smart Water implementation
• To combat the growing challenges of water sector, Adopting smart technologies for water distribution is a necessity, not a luxury.
• Smart water distribution is between “early adoption” and “standardization” phases • Service & technology providers are continually developing solutions to address utilities needs • Utilities are progressively embracing smart solutions
• Some obstacles facing Smart implementation:- Prerequisites (infrastructure, data, maturity, operational readiness)- Investments in changing technology- Incompatibility between providers (commitment)- communications protocols- Cybersecurity- instrumentation and data quality
Challenges & Looking Forward
Utilizing Smart Technology for Water Distribution ManagementAbdulrahman Alshehri, Saudi Water Forum 2019
Water 4.0
• Water 4.0 is a concept that has recently been raised as the “future” of the water industry
• Finding solutions to the challenges mentioned previously is the way to reach that future, and will open the door for wide adoption of smart technologies in water distribution sector
Source: Water 4.0, German Water Partnership