PreservationPro News Roundup

Preservation Spec Update

s reported in the May 2019 edition of AsphaltPro Magazine, AASHTO’s emulsion task force has been preparing new specifications for use in pavement preservation processes. Check out the article “New AASHTO Pavement Preservation Standards, Explained” at https:// theasphaltpro.com/articles/aashto-emulsion-standards/ for in-depth information. Recently, AASHTO’s TSP2 website has published construction guide specs for four treatment methods:

• Emulsified chip seal

• Hot applied chip seal

• Micro Surfacing

• Emulsified asphalt fog seal

If you visit https://tsp2-etf.org/specs-checklists/specifications/ you will also find construction guide highlights for chip seal, fog seal and micro surfacing, among other useful pavement maintenance and preservation treatment guidance.

Electric Cleans Up

To further the discussion of electric equipment in the sweeping realm, the team from Schwarze Industries, Huntsville, Alabama, unveiled the company’s 100% electric M6 Avalanche EV prototype sweeper at CONEXPO-CON/AGG 2023. The company stated: “It’s clear that electric sweepers present a great opportunity for the sweeping industry going forward—with their superior efficiency and zero emissions offering significant benefits for both operators and the environment alike.”

The manufacturer pointed to an upcoming decrease in the cost of electric sweeper machines as an expected advancement. “Whereas current models are still relatively expensive due to battery costs, the prices are projected to go down substantially with advances in battery technology and increased production. Governments worldwide are implementing EV policies such as tax credits and subsidies that can further reduce purchase costs.”

The manufacturer also pointed to improved efficiency via faster charging times and longer operating ranges as another pos- itive development in electric sweepers. “As battery technology continues to improve, manufacturers are finding ways to increase the range-per-charge and shorten charging times. New technologies such as solid-state batteries are being developed, which promise even better performance than existing models—meaning faster charging times and greater range per charge for drivers of these vehicles.”

For more information, visit www. schwarze.com/electric.

7 Air Compressor Indicators

The team at Atlas Copco Airpower, Belgium, shared a report on the seven indicators that your air compressor is ready to take on harsh conditions—whether that’s around the shop or out on the pavement maintenance site and so on. Edited for space, here are your seven indicators of the portable air compressor’s toughness.

1. Make sure the manufacturer put it through performance testing, which includes leak, strength and temperature tests.

2. The compressor’s toughness can be optimized through adopting recent developments in material innovation. You’re looking for more than just corrosion resistance.

3. Harkening back to the testing in Point 1, you want to ensure your portable air compressor can withstand a broad range of heat and pressure levels.

4. We’re teasing testing again. You want the portable air compressor to adapt easily to climate and environment changes. A truly reliable compressor can weather any terrain, and can continuously perform in high altitudes, snow, mud or rain. The most robust portable air compressors are designed, tested and certified with the most demanding conditions in mind.

5. Track your portable air compressor’s uptime as an indicator of its toughness. If it’s accumulating a lot of downtime, something’s off.

6. Look up safety testing data to see how well the model performs. This offers more than peace of mind for operators; it indicates how well the compressor is crafted.

7. Track maintenance of the machine. To complement the machines’ physical resilience, ongoing check-ups ensure that the compressor remains tough enough to withstand all your team will throw at it.

For more information, visit https:// www.atlascopco.com/en-uk/constructionequipment/products/mobile-air-compressors

New Leadership in Preservation

At the 50th annual meeting of the Asphalt Emulsion Manufacturers Association (AEMA), Feb. 27-March 3, 2023, Litchfield Park, Arizona, AEMA elected its officers and board of directors for the 20232024 term. Dan Koeninger, PE, pavement preservation division manager for Terry Asphalt Materials Inc., was elected president of AEMA. The association also elected new officers that include Vice President Matt Kennedy, McAsphalt Industries Limited, and Secretary/Treasurer Arlis Kadrmas, BASF Corp. Bob Huitt, Russell Standard, will serve as past president.

The Asphalt Recycling & Reclaiming Association (ARRA) held its 48th annual meeting at the same time and location, electing its officers and board of directors for the 2023-2024 term as well. Jason Wielinski, a regional engineer with the Asphalt Institute, was elected as president of ARRA. The association also elected new officers that include Vice President Bryan Ray of Allstates Pavement Recycling & Stabilization and Secretary/

Treasurer Mark Stahl, Wirtgen Group. Jonathan Pease, RockSolid Reclamation & Stabilization, will continue to serve as past president.

Rounding out the trifecta, the International Slurry Surfacing Association (ISSA) held its 61st annual convention at the same time and location, electing its officers and board of directors for the 20222023 term. ISSA elected President Dave Welborn, who is the director pavement preservation technical services, India Sales, and specialty mastic business, of Ingevity. Brad Pearce, Viking Construction, was elected as vice president; Jeff Roberts, VSS International Inc., was elected as secretary; and Chris Oakes, Pavement Solutions Inc., was elected as treasurer. Completing the officers is Chuck Ingram, Slurry Pavers Inc., who will serve as immediate past president.

Asphalt Preservation Education

During its 50th annual meeting at the end of February, the Asphalt Emulsion Manufacturers Association (AEMA), recognized and honored the inaugural Leadership Education for Asphalt Preservation (LEAP) class.

The LEAP program is a 12-month immersive program aimed at developing members of the asphalt emulsion industry. It is intended for AEMA members looking to increase their knowledge of the asphalt emulsion industry. The LEAP program aims to engage participants and develop future leaders for the industry by building confidence and understanding in areas they may not otherwise get a chance to see.

The 11 individuals that were part of the inaugural LEAP class (2022-2023) included: Adam Resig, Vance Brothers; Andrew Eicher, Asphalt Materials; Charity Cook, Paragon Technical Services; Ernesto Santillan, Ergon Asphalt & Emulsion; Faisal Ibrahim, Russell Standard; Kim Gessner, Asphalt Technologies Group; Michael Tyree, Associated Asphalt; Nat Borsh, Russell Standard; Tejash Gandhi, KAO Chemicals; Trevor Ullman, Vance Brothers; and Ty Hughes, Paragon Technical Services.

Stormy Brewster, Marathon Petroleum, was also recognized as the 2022-2023 LEAP class dean.