[Don t] Take a Leak. Beyond the Headphones with DC Water. August 31, 2017

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1 [Don t] Take a Leak Beyond the Headphones with DC Water August 31, 2017 Presented by: Sarah Ghali, McKissack & McKissack Marlee Franzen, PE, DC Water 1

2 THE SITE LEAK DETECTION CRITERIA TECHNOLOGY ACOUSTIC LEAK DETECTION TECHNOLOGY COMPARISON TECHNOLOGY SELECTION Agenda INSTALLATION PRIMAYER PHOCUS3M SYRINIX TRUNKMINDER ECHOLOGIC ECHOSHORE-TX AQUARIS SPECTRUM AQS-SYS LESSONS LEARNED Q&A 2

3 The Site June 2014 DC Clean Rivers breaks ground on the First Street Tunnel Located in Bloomingdale neighborhood of Washington, DC s Ward 5 Photo courtesy of DC Clean River Outreach 3

4 Project Background DCCR Project included excavation with ground freezing October 2015 DC Water DWS informed of ground movement Photo courtesy of Skanska USA. How D.C. Is Going To Drill a Tunnel Through Frozen Ground. Popular Mechanics Photo courtesy of DC Clean River Outreach 4

5 The Site: Existing Water Infrastructure Conditions 1 st Street, NW 48-inch Ductile Iron Water Main Installed in 1988 TR Flex Joints Joint deflection tolerance of 0.5 degrees Tunnel Shaft Location 6-inch Cast Iron Water Main Installed in

6 The Site: Existing Water Infrastructure Conditions Adams Street, NW 36/30-inch Cast Iron Water Main Installed Tunnel Shaft Location 6

7 Leak Detection Criteria 1. Fixed Location 2. Continuous Monitoring 3. Autonomous Correlation 4. Automatic Data Transfer and Alerts 7

Leak Detection Technologies Acoustic Devices

Noise Loggers Leak Noise Correlators Streaming Cable

Acoustic Leak Detectors Acoustic Fiber Optics (AFO)

Thermography Electromagnetic Detection Ground

8 Leak Detection Technologies Acoustic Devices Listening Rods/Sticks Geophones Hydrophones Leak Noise Loggers Leak Noise Correlators Streaming Cable Inline Acoustic Leak Detectors Free-Floating Inline Acoustic Leak Detectors Acoustic Fiber Optics (AFO) Electromagnetic Field Detection Thermal Detection Thermography Electromagnetic Detection Ground Penetrating Radar (GPR) Chemical Detection Tracer Gas Tracer Liquids 8

or valves Listen for pipe noise during programmed quietest time Do not pinpoint

9 Acoustic Leak Detection Equipment Listening Devices Handheld Effectiveness depends on the user experience Time consuming Noise Loggers Deployed in underground fittings or valves Listen for pipe noise during programmed quietest time Do not pinpoint location of a leak Photo courtesy of ukleakdetection.co.uk Photo courtesy of HWM Global 9

correlator Deployed temporarily or in fixed locations Continuously monitors Detects

10 Acoustic Leak Detection Equipment Noise Correlators Measure pipe noise between 2 locations Leak position calculated Correlating Logger Combines noise logger and correlator Deployed temporarily or in fixed locations Continuously monitors Detects leak generated noise patterns at specific locations along the pipe Photo courtesy of FSC Leak Detection 10

11 Acoustic Leak Detection Equipment Summary Manufacturer Technology Name Acoustic Category Deployment Type Data Transmission Pipe Diameter Pipe Material Aclara/ Gutermann STAR ZoneScan Correlating Logger Temporary or Fixed Manual or Automated 2 to 20 Asbestos Cement Metallic PCCP Plastics Aquarius Spectrum AQS-SYS Correlating Logger Fixed Automated 6 to 46 Asbestos Cement Metallic PCCP Plastics Echologics EchoShore-DX EchoShore-TX Correlating Logger Fixed Automated to 120 Asbestos Cement Metallic PCCP Plastics HWM Water/ FCS Permalog+ Leak Noise Logger Noise Logger Temporary or Fixed Manual or Automated 20 Asbestos Cement Metallic PCCP Plastics Itron 100W/ Leak Sensor/ MLOG Noise Logger Fixed Automated 16 Metallic Plastics Syrinix BurstMinder TrunkMinder Pressure & flow monitor Correlating Logger Fixed Automated Asbestos Cement Metallic PCCP Plastics Vivax-Metrotech LOG CORR Correlating Logger Temporary or Fixed Manual or Automated 2 to 20 Asbestos Cement Metallic PCCP Plastics 11

12 Acoustic Leak Detection Equipment Comparison Small Diameter Water Mains Aclara/ Gutermann Aquarius Spectrum Echologics HWM Water/ FCS Itron Syrinix Vivax- Metrotech STAR ZoneScan AQS-SYS EchoShore- DX Permalog+ Leak Noise Logger 100W/ Leak Sensor/ MLOG TrunkMinder LOG CORR Correlating Logger X X Fixed Location Automatic Data Transmission Applicable on 6 WM X Applicable on Cast Iron 12

13 Acoustic Leak Detection Equipment Comparison Large Diameter Water Mains Aclara/ Gutermann Aquarius Spectrum Echologics HWM Water/ FCS Itron Syrinix Vivax- Metrotech STAR ZoneScan AQS-SYS EchoShore- TX Permalog+ Leak Noise Logger 100W/ Leak Sensor/ MLOG TrunkMinder LOG CORR Correlating Logger X X Fixed Location Automatic Data Transmission Applicable on 30 & 48 WM X X X X Applicable on Ductile & Cast Iron 13

14 Installation Primayer Phocus3m 14

15 Syrinix TrunkMinder Photo courtesy of Syrinix Photo courtesy of Syrinix 15

16 Installation Echologics EchoShore -TX Photo courtesy of Echologics 16

17 Installation Echologics EchoShore -TX 6-inch blow-off nozzle Adapter Adapter & sensors installed 17

18 Installation Echologics EchoShore -TX 18

19 Installation Echologics EchoShore -TX 19

20 Installation Echologics EchoShore -TX Quantity Unit Price Extended Price Leak Detection Nodes 4 ea $18,550 $74,200 Annual Software & Services 2 locations $4,000 $8,000 Total: $82,200 * Standard price listed. DC Water received a promotional pilot price. 20

21 Installation Aquarius Spectrum AQS-SYS 21

22 Installation Aquarius Spectrum AQS-SYS 22

23 Installation Aquarius Spectrum AQS-SYS Quantity Unit Price Extended Price Fire Hydrant Sensors 3 ea $750 $2,250 Underground Sensors 3 ea $1,000 $3,000 Annual Software & Services 6 ea $120 $720 Total: $5,970 23

24 Lessons Learned 1. Connection and setup of unit 2. Power source 3. Communication hardware and antenna 4. Data Delivery 5. Permit Requirements 24

Lessons Learned: Connection + Set-up Small Diameter Water Mains Typically require external contact with pipe Placed in valve chambers, or attached to fire hydrants All components bundled into a

25 Lessons Learned: Connection + Set-up Small Diameter Water Mains Typically require external contact with pipe Placed in valve chambers, or attached to fire hydrants All components bundled into a single unit Optional: Antenna equipped with extension cord Large Diameter Water Mains Typically require contact with water column Limited access port locations Likely that a new access port would have to be installed ($) Each unit consists of several separate components Baseline leak simulation by flushing portion of the watermain 25

Lessons Learned: Power Source Small Diameter Water Mains: Typically

data at preassigned times Average battery life: 5 years Battery

source Power source options: Direct connection to the power grid

26 Lessons Learned: Power Source Small Diameter Water Mains: Typically battery operated Regulate power usage by collecting and transmitting data at preassigned times Average battery life: 5 years Battery replacement program Large Diameter Water Mains: Require larger power source Power source options: Direct connection to the power grid Methanol fuel cells Battery Solar panels Photo courtesy of EFOY Energy Solutions 26

Lessons Learned: Communication Hardware + Antenna Communication methods: GSM cellular network GPRS/3G communication Satellite communication Antenna Options: Extension cords to attach the antennas to

27 Lessons Learned: Communication Hardware + Antenna Communication methods: GSM cellular network GPRS/3G communication Satellite communication Antenna Options: Extension cords to attach the antennas to the bottom of the manholes lid Composite manhole covers Antennas mounted on the manhole lid covered with traffic rated domes Antennas flushed with the manhole lid Antenna flushed with the existing grade Antennas mounted on a pole. 27

28 Lessons Learned: Data Delivery Web User Interface Software Track leaks through web user interface Check compatibly with SCADA For more accurate leak locations, provide GIS Information 28

Closing Statements Opportunity to pilot different leak detection technologies in the same environment No leaks have been identified to date Opportunity to

29 Closing Statements Opportunity to pilot different leak detection technologies in the same environment No leaks have been identified to date Opportunity to monitor critical transmission mains nearby large construction jobs Critical to understand your system s need before selecting a leak detection technology 29

Questions + Answers Presenters: Sarah Ghali, P.E. email: sghali@dcwater.com Marlee Franzen, P.E. email: mfranzen@dcwater.

30 Questions + Answers Presenters: Sarah Ghali, P.E. sghali@dcwater.com Marlee Franzen, P.E. mfranzen@dcwater.com Collaborators: Joshua Mazurek, Christopher Coit DC Water Sonia Oton, Gary Geck, Russel Deason Mott MacDonald (Water Program Managers) 30

Aquarius - Spectrum. multi-layer acoustic water pipe monitoring solutions. Game changer in water network management

Aquarius - Spectrum. multi-layer acoustic water pipe monitoring solutions. Game changer in water network management Aquarius - Spectrum multi-layer acoustic water pipe monitoring solutions Game changer in water network management ID Founded in 2009 20 Employees Invested by Hutchinson Water Over 3,000 correlation sensors