Implementing an Acoustic Pipe Inspection Program Using the Sewer Line Rapid Assessment Tool. A Case Study on the City of Augusta

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1 October 29 th, 2013 Implementing an Acoustic Pipe Inspection Program Using the Sewer Line Rapid Assessment Tool A Case Study on the City of Augusta Alex Churchill InfoSense Jody Crabtree Augusta Kevin Joyner - Augusta

2 Situation Overview Acoustic Inspection Technology Implementation Case Study Summary 2

3 Founded 1822 Combined operations with Richmond County in 1996 Population Served 190,000 1,040 miles of sewer pipe Covers 280 square miles Under GA EPD Consent Order 3

4 Needed to get outside the box to meet the requirements of the Consent Order Needed to get a handle on SSO performance Hence, needed to get an overall snapshot of their system SL-RAT provided a simple low-cost solution 4

5 Situation Overview Acoustic Inspection Technology Implementation Case Study Summary 5

6 Manhole Inspection Acoustic Zoom Camera Push Camera CCTV/Robotic Camera Pipe Wall Defect Scanners Pipe Profiling / Robotic Multi-Sensor 6

7 Patented technology Gravity-fed sewer focus Winner 2012 WEF Innovative Technology Award Over 3.0M feet inspected Rapid assessment helps better focus cleaning and CCTV resources 7

8 How Does it Work? Transmitter Yells Receiver Listens 8

9 CCTV Blockage Assessment 10 CCTV Blockage Assessment 5 CCTV Robot was Able to Pass Through Root Fibers CCTV Blockage Assessment 7 CCTV Blockage Assessment VRWA Annual Conference 9

10 Situation Overview Acoustic Inspection Technology Implementation Case Study Summary 10

11 2 SL-RAT s Managed by Asset Management Run with 2 person crews per SL-RAT Averaging ~7500 feet/8 hour day per crew Plan out inspection areas based on tax-maps Combining with manhole inspection program 11

12 >4,500 segments inspected in ~9 months of work >9,000 manholes located and inspected >1 MILLION Feet (197 miles) 17% Poor 22% Fair 61% Good 12

Re-Charge SL-RAT Print Maps & Give to Crew 1 Street Name Parcel Address Line Sizes 7 Close Out QA Cleaning Fix GIS Issues Update Records Schedule Next Inspection 2 Conduct Inspections 6 City of XYZ

PipeStatusRxLatDeg RxLonDeg TxLatDeg TxLonDeg 656 1 28 1 29 8/14/2013 13:56 95 150 122 2 Late 0 BLOCK Reject 32.71008-79.9609 32.71008-79.9609 3 655 1 28 1 29 8/14/2013 13:52 80 150 149 1 Valid 6 FAIR Reject 32.

70989-79.9614 32.70989-79.9614 651 1 28 1 29 8/14/2013 13:15 79 150 231 1 Valid 5 FAIR Fair 32.70964-79.962 32.70964-79.962 650 1 28 1 29 8/14/2013 13:09 79 150 122 1 Valid 7 GOOD Good 32.70989-79.9627 32.

68692-80.4188 35.68692-80.4188 646 1 28 1 29 8/13/2013 8:46 80 350 417 1 Valid 6 FAIR Reject 35.61575-80.4465 35.61575-80.4465 645 1 28 1 29 8/13/2013 8:16 80 150 174 1 Valid 4 FAIR Fair 35.68787-80.

13 Re-Charge SL-RAT Print Maps & Give to Crew 1 Street Name Parcel Address Line Sizes 7 Close Out QA Cleaning Fix GIS Issues Update Records Schedule Next Inspection 2 Conduct Inspections 6 City of XYZ City of XYZ City of XYZ RecordNu RxOperatoRxDeviceNTxOperatoTxDeviceNMeasurementTime TestDuratiPipeLengt EvalPipeLength MeasurementStatus MeasurementStatusText Assessment AssessmentText PipeStatusRxLatDeg RxLonDeg TxLatDeg TxLonDeg /14/ : Late 0 BLOCK Reject /14/ : Valid 6 FAIR Reject /14/ : Late 4 FAIR Fair /14/ : Valid 3 POOR Reject /14/ : Valid 6 FAIR Fair /14/ : Valid 5 FAIR Fair /14/ : Valid 7 GOOD Good /13/2013 9: Valid 4 FAIR Fair /13/2013 9: No TX 0 BLOCK Reject /13/2013 9: Late 4 FAIR Reject /13/2013 8: Valid 6 FAIR Reject /13/2013 8: Valid 4 FAIR Fair /13/2013 8: No TX 0 BLOCK Reject /12/ : Late 3 POOR Poor /12/ : Valid 2 POOR Poor /12/ : Valid 1 POOR Poor /12/2013 9: Valid 4 FAIR Reject /12/2013 8: Valid 8 GOOD Reject /12/2013 8: Valid 4 FAIR Reject /12/2013 8: Late 5 FAIR Reject /12/2013 8: Late 5 FAIR Reject /12/2013 8: Valid 6 FAIR Reject /9/2013 9: Valid 5 FAIR Fair /9/2013 9: Valid 0 BLOCK Block /1/ : Valid 1 POOR Poor /1/ : Valid 7 GOOD Good /1/ : Late 3 POOR Poor /30/2013 9: Valid 0 BLOCK Block /30/2013 9: Valid 8 GOOD Good /30/2013 9: Valid 8 GOOD Good /18/ : Valid 7 GOOD Good /18/ : Valid 9 GOOD Good /18/ : Valid 7 GOOD Good /18/ : Valid 7 GOOD Good /18/ : Valid 9 GOOD Good /18/ : Valid 8 GOOD Good /18/ : Valid 8 GOOD Good /18/ : Valid 9 GOOD Good /18/ : Valid 7 GOOD Good /18/ : Valid 9 GOOD Good /18/ : Late 9 GOOD Good /18/2013 9: Valid 8 GOOD Good /18/2013 9: Valid 7 GOOD Good /18/2013 9: Valid 7 GOOD Good /18/2013 9: Valid 8 GOOD Good /18/2013 9: Valid 8 GOOD Good /18/2013 9: Valid 0 BLOCK Block /17/ : Valid 0 BLOCK Block City of XYZ Download SL-RAT Generate Cleaning Crew Work Orders 5 Create Base Report ui 4Segment Measurement Test Pipe Eval Meas Assessment Pipe Rec Date Duration Length Pipe Status Status Num Time Length 101 SC SC1469 3/27/2013 9: Valid 8 Good 102 SC SC1474 3/27/2013 9: Valid 6 Fair 103 SC SC1470 3/27/2013 9: Valid 5 Fair 104 SC SC1471 3/27/2013 9: Valid 6 Fair 105 SC SC1472 3/27/2013 9: Valid 7 Good 106 SC SC1468 3/27/2013 9: Valid 7 Good 107 SC SC1468 3/27/2013 9: Valid 7 Good 108 SC SC1467 3/27/2013 9: Valid 8 Good 109 SC SC1465 3/27/ : Valid 7 Good 110 SC SC1466 3/27/ : Valid 7 Good 111 SC SC1464 3/27/ : Valid 6 Fair 112 SC SC1463 3/27/ : Valid 7 Good 113 SC SC1462 3/27/ : Valid 8 Good 114 SC SC1460 3/27/ : Valid 7 Good 115 SC SC1459 3/27/ : Valid 5 Fair 116 SC SC0862 3/27/ : Valid 8 Good 117 SC SC0827 3/27/ : Valid 7 Good 118 SC SC0897 3/27/ : Valid 8 Good 119 SC SC0990 3/27/ : Valid 8 Good 120 SC SC0762 3/27/ : Valid 8 Good 121 SC SC0705 3/27/ : Valid 9 Good 122 SC SC0842 3/27/ : Valid 7 Good 123 SC SC0841 3/27/ : Valid 7 Good 124 SC SC0996 3/27/ : Valid 6 Fair 125 SC SC0804 3/27/ : Valid 9 Good 126 SC SC1018 3/27/ : Valid 8 Good 127 SC SC0901 3/27/ : Valid 6 Fair 128 SC SC0549 3/27/ : Valid 9 Good 129 SC SC1040 3/27/ : Valid 7 Good 130 SC SC0074 3/27/ : Valid 7 Good 131 SC SC1619 3/27/ : Valid 7 Good 132 SC SC1618 3/27/ : Valid 8 Good 133 SC SC1620 3/27/ : Valid 5 Fair 134 SC SC0934 3/27/ : Valid 6 Fair 135 SC SC0023 3/27/ : Valid 8 Good 136 SC SC1621 3/27/ : Valid 8 Good 137 SC SC0866 3/27/ : Valid 8 Good 138 SC SC1060 3/27/ : Valid 1 Poor Total Eval Map Out in GIS 13

14 Situation Overview Acoustic Inspection Technology Implementation Case Study Summary 14

15 1. The SL-RAT is simple, reliable, and easy to use 2. Keep up with the data - DAILY! Backlogs can get overwhelming 3. Forces discipline in visiting every manhole identify issues, update GIS records, etc 4. Has focused efforts on the 39% of segments that are Poor or Fair 5. Requires teamwork to achieve full potential cleaning crews, GIS, inspection crews must all work together 6. Future plans include conducting post-cleaning QA 15

16 s 16

17 Alex Churchill Phone: Website: Jody Crabtree Phone: Website: 17

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