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3 posts from September 2016

September 12, 2016

Going Municipal in Minneapolis

APWAFor over 120 years, the APWA has held their annual conference for public works professionals across the U.S. This year, Minneapolis hosted the more than 5,000 colleagues in attendance. Branding itself for the first time as “PWX 2016,” the event offered new education formats, innovations and technologies, as well as more networking opportunities than ever before.

Representing Ingevity’s Evotherm Technical Marketing team at the expo were Bryan Pecht, Matt LaChance and Melinda Furse. “The municipal market is an important market segment for us,” explains Bryan. “Our Evotherm® warm mix asphalt technology continues to be adopted by more cities and townships across the U.S. to improve pavement performance and to enhance environmental sustainability.”

In addition to being represented on the trade show floor, Ingevity’s Matt LaChance published a technical paper with an industry colleague, “Warming up to sustainable paving.” The show’s publication, “APWA Reporter,” published the paper and Matt presented the paper in a featured session on the opening day of the expo. Matt’s work is a case study on the Town of Dedham, Massachusetts, which used Evotherm as part of their long-term pavement management program. “Dedham is a great example of how a township can improve the condition of their pavements while creating a sustainable maintenance and improvement schedule,” states Matt. “Dedham set out to create a more sustainable paving program without increasing their overall budget. By developing a partnership with their paving contractor, engineering consultants and Ingevity, they have been able to increase the performance rating of their pavements from a 70 (failing) to an 84 (good), save hundreds of thousands of dollars, and exceed expectations for compaction and rideability of their infrastructure.”

In the case study, Steve Edwards, Plant Manager at TL Edwards, reports that he’s “seen a lot of change in this industry and not a lot of it good. I think Evotherm is one of the best things to come along in a long time. It makes the workability and compaction of our mix better and the crew really likes it.” Now in its third year of of their WMA program, contractor Lorusso Corporation has joined the team. Lorusso Project Manager, Wes Sterns, shares that the company prides itself “on being able to provide customers with a superior quality product while reducing our carbon footprint. The use of Evotherm has enabled us to achieve higher levels of compaction, avoid penalties and maximize incentives.” Co-author Joe Flanagan confirms: “Between the longer binder life and increased compaction, Dedham’s roads should last longer. That gives me more time to pave other roads before we have to come back to these roads.”

Read the paper in its entirety here.

Congratulations to Matt and Joe on their efforts to share the benefits of Evotherm with municipal representatives. Way to spread the message of warm mix in Minneapolis!


The Recycling Race

BrazilFor years, agencies in the U.S. have been leading the way when it comes to combining sustainable road building practices with a warm mix technology like Evotherm®. Take recycled asphalt pavement (RAP), for example. Many U.S. agencies have shared numerous success stories about how the performance of their mix has been improved by adding Evotherm. These sustainable recycling practices are now gaining hold in other parts of the world, such as Brazil.

Hernando Faria, business unit manager for Ingevity in Brazil, explains that “road agencies in Brazil are most interested in using RAP and Evotherm because they have large amounts of milled pavement material that needs to be utilized. Then, as large agencies get involved in these types of sustainable initiatives, other stakeholders in the paving chain become interested as well.” Faria also confirms that the adoption of sustainable practices is accelerating at this time for many reasons: success stories from the U.S. and Europe have made their way to South America; there are increasingly strict environmental laws in Brazil; and RAP is an effective option to enable road agencies and contractors in Brazil to optimize costs.

When asked about the market acceptance of RAP for WMA in Brazil, Hernando states that “the Brazilian market is in its infancy. Common practice in Brazil is the utilization of milled material for base courses where this material is normally used with cement, which creates a semi-rigid base layer. The problem with this kind of application is that the material is used only as aggregate. While you save virgin aggregate, you lose binder material and decrease overall pavement performance.”

The first project incorporating Evotherm and RAP in Brazil was in August of 2016. Two different types of virgin, unmodified asphalt binder and PMA were used with 10% and 25% of RAP. Hernando reports that the project was done with Rota das Bandeiras on Sao Paulo State Road 65. “This is an important road that connects the southeastern cities of Campinas and Jacarei,” says Hernando. “The WMA and RAP were used as mix for the binder course and wearing course in a full-depth reconstruction project.”

Mixing, laydown, and compaction at the job site went smoothly. The recycled asphalt mixture proved to be very homogeneous and well bonded. The temperature at the mix plant was 140°C (284°F) and the laydown was 110°C (230°F). All density results were within the mix design specification. As an added bonus, the number of roller passes was reduced by 50%, speeding up construction while still achieving compaction.

Stay tuned for future updates about how and where else sustainable recycling practices continue to take hold across the globe.

Faces of Evotherm: David Newton

NewtonDavid Newton, Technical Marketing Manager, is responsible for Ingevity’s additives business in N.C. for liquid anti-strips and Evotherm® warm mix technology. He also provides leadership for the Evoflex™ RMA product line across North America. 

Amy Chiconas (AC): “What’s your idea of happiness?”

David Newton (DN): “An afternoon on the boat with my wife and daughter.”

AC: “Misery is…”

DN: “Being stuck in traffic!”

AC: “If not yourself, who would you be?”

DN: “Lance Brooks.”

AC: “Where would you like to live?”

DN: “I've always dreamed of Manhattan, but then reality sets in. Can't beat Charleston!”

AC: “Tell me about your heroes in real life.”

DN: “Our soldiers.  Seeing how their lives are turned upside down after fighting for our freedom and the way they silently go about their business. That is heroism.”

AC: “What natural talent you’d like to be gifted with?”

DN: “Trey Wurst's ability to sleep anywhere!”

David is inspired by his work on this team. "Seeing the way Ingevity collaborates across functions to bring solutions to the pavement industry is exciting. Given my role, I have a front row seat to watch our customers win in the marketplace with innovative technologies developed by Ingevity.” 

Keep your front row seat to these team member profiles and be sure not to miss our next Faces of Evotherm colleague, Lance Brooks.


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