OMAG’s Users Give Feedback on SL-RAT

Since fall of 2018, OMAG (Oklahoma Municipal Assurance Group) has provided three SL-RATs for member utilities to update and develop their sanitary sewer maintenance programs. Jay Neal from the City of Durant and Matt Duke from City of Muldrow give feedback on their SL-RAT integration process.

When asked, “Did the SL-RAT meet your expectations as to its usefuleness?”:

It exceeded our expectations. As with all newer technologies, it’s easy to be reluctant to accept its usefulness. However, the SL-RAT proved up to the challenge. Once we figured out its limitations and the best time of day to put it to use, it gave us an accurate picture of our sewer infrastructure and provided the data necessary to analyze it.

– Jay Neal, City of Durant

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Let it Flow. Mayor Davis, Suez-Bayonne Credit New Technology for Decrease in Blocked Sewer Lines

The City of Bayonne, since integrating the SL-RAT, has experienced an 83% decrease in blocked sewer lines in comparison with the same 6-month time period in 2018. By utilizing acoustic technology to scan for blockages, the city has effectively developed a preventative pipe cleaning operation.

Many cities deal with blockages in aging sewer systems. Bayonne is one of them. We hope this new technology will lead to a continuing improvement in the sewer system in the years ahead.

– Jimmy Davis, Mayor of Bayonne, NJ

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City of Augusta uses GIS and CityWorks to manage SL-RAT data (video)

When the City of Augusta started utilizing the SL-RAT to screen their collection system, they discovered that the SL-RAT generated a lot of valuable data at a rapid pace. They wanted to find a way to manage this process and have this information drive decision-making in the field. Augusta utilized their GIS system and CityWorks to automate this process.

We have quality, valuable information tied to our GIS system, so that you can evaluate things much more easier geographically.

– Jerry Philpot, Technical Support Systems Manager | Augusta, GA

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Acoustic Inspection in Australia & New Zealand – Rapid Solution to Overflow Issues

The Sewer Line Rapid Assessment Tool, or SL-RAT, is allowing utilities in Australia and New Zealand to save time and money, while enhancing their sewer maintenance operations. By using acoustic inspection technology to quickly screen sewer pipes for blockages prior to deploying resources, segments with identified need can be prioritized. Since acoustic inspection costs significantly less to operate than traditional visual inspection, it can be a cost-effective way to establish a condition-based maintenance program.

When Sydney Water launched an acoustic inspection pilot program, they discovered that “60% of pipes in the Sydney Water cyclic cleaning program did not require further cleaning.” This means that with the integration of acoustic technology, Sydney Water can prioritize resources, time and water on areas with identified need, resulting in better service and increased environmental protection.

Taupo, New Zealand integrated the SL-RAT after experiencing an increase in number of sewer overflow incidents. “By using [the SL-RAT], there is a significant cost and time saving over traditional methods and the asset data gained by using SL-RAT is a valuable tool for reducing sewer overflows.” says Taupo District Council 3 Waters Network Engineer, Graeme Jackson. “The SL-RAT has proven to be a robust, quick and easy to use product. We have been able to address the immediate issues with our sewer network and significantly reduced the number of sewer overflows, with the added bonus of collecting excellent asset data.”

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Elizabethton, TN focuses cleaning efforts with acoustic technology

Elizabethton, TN Water Resources oversees a 70 mile sewer system serving 28,000 people. In order to address aging infrastructure and leaky sewer pipes, the utility had to create an asset management program utilizing mapping software. Their approach involved assessing entire neighborhoods and focusing efforts on areas with greatest need. In order to ensure resources were allocated in the most efficient way, they implemented acoustic technology to understand pipe conditions before deploying more expensive resources.

“The SL-RATs are helping by quickly identifying the locations of obstructions…it’s much more focused than trying to televise the entire 70-mile system. The SL-RATS tell us where we need to spend more time on CCTV investigation. The CCTV investigation tells us whether we need point repairs, sliplining or replacement.” says Johann Coetzee, Water Resources General Manager.

Download highlighted Municipal Sewer & Water article here.

View full magazine here (Story starts pg 15).

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Fewer Sewage Spills in Taupō, New Zealand

In January 2018, a fatberg problem caused sewage to accidentally contaminate Lake Taupō in New Zealand. Since then, the fatberg problem has been essentially eliminated. Kevin Sears, Taupō District Council’s three-water operations manager says, “It’s a combination of the community doing their part and us using the SL-RAT cleaning tool.” The acoustic inspection tool has helped the district to quickly understand sewer blockage conditions and deploy cleaning resources effectively.

 

Read full article from Waikato Times here.

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InfoSense Named to Charlotte Business Journal’s Fast 50, Fourth Year in a Row

InfoSense has been named by the Charlotte Business Journal as one of the 50 fastest growing companies in the Charlotte region for the fourth year in a row.

Rankings will be revealed at the Fast 50 Annual Awards Banquet on December 6th.

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Duncan, OK Approves Acoustic Technology for Improving Maintenance Efforts

The Duncan City Council approved amendments to their project budget agreement with Tetra Tech to incorporate acoustic inspection technology. The Sewer Line Rapid Assessment Tool, or SL-RAT, has helped hundreds of utilities with establishing condition-based maintenance practices and better deploy sewer maintenance resources.

Read more here.

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WEFTEC Paper: RATs in the House – Little Rock

RATs in the House – How Little Rock Water Reclamation Authority Moved from a Time-Based to a Condition-Based Sewer Cleaning Strategy

Abstract: Little Rock Water Reclamation Authority, Arkansas (LRWRA) manages ~1929 km (1100 mi) of small diameter (up to 30 cm or 12 in) gravity sanitary sewer mains. In January 2017, they implemented an acoustic inspection technology as a preliminary assessment tool to help prioritize cleaning operations. They successfully transitioned from a time-based to condition-based sewer maintenance program, improving their annual maintenance contact with the small diameter gravity system from 40% to 90%. In just their first year, LRWRA inspected 1555 km (966 mi), or ~70% of their collection system, reducing non-capacity sanitary sewer overflows by 35%, without hiring additional personnel.

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Now Hear This – Acoustic Inspection in New Castle, DE

Prior to integrating acoustic inspection, New Castle County (DE) relied on a time-based preventative maintenance approach that had limitations. As New Castle operations service manager explains, “Our operators were coming back, some of them frustrated that every pipe they cleaned was running clear water. It’s frustrating when you know your resources are limited and you know you’re cleaning pipes that don’t need to be cleaned.”

The Sewer Line Rapid Assessment Tool helped the county to recognized that of the areas tested, 78% were in good condition, requiring no additional work. With this insight, New Castle’s maintenance program was able to direct CCTV and cleaning resources to the areas of greatest need, saving time, water and money.

Read the full article from Trenchless Technology here.

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