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2017 Ecological Award

NAPA’s Ecological Award competition, which started in 1971, recognizes excellence in asphalt facility operations.  NAPA selects the award recipients using rigorous criteria to evaluate the environmental friendliness of their operations.  Read more about the ecological practices of these winners in the July/August 2018 edition of Asphalt Pavement magazine. 


Pike Industries Inc., A CRH Co.
Belmont, N.H.
HMA P721

Pike Industries is the largest producer of asphalt and aggregate in New England, with 26 asphalt plants and 20 aggregate facilities throughout New Hampshire, Vermont, and Maine. As a company with a very strong regional EC-N1 Pike 3foothold, Pike Industries has the ability to relocate plants, as needed, to make the most economical and environmentally friendly decisions for the company and surrounding communities. This was the case when Pike Industries made the decision to relocate an asphalt plant outside of Portland, Maine, farther north to Sidney, Maine.


After selling the Westbrook plant site, Pike Industries began making upgrades to its Sidney plant. The goal was to make the relocated plant operate more efficiently and as sustainably as Pike Industries' other asphalt plants. The retrofit was also an opportunity to upgrade the plant components and make it aesthetically pleasing with fresh paint and landscaping.


Pike Industries purchased a new baghouse, drum mixer, and two additional silos. "The new baghouse improves our efficiency in controlling our air emissions," said Oakes. "Dust and fines from the baghouse are used in our recycled asphalt mixes. The new equipment also helps ensure semi-annual pollution control inspections meet Pike Industries' expectations."


The new 400-ton per hour counterflow drum mixer improved the plant's overall energy efficiency. To maintain high efficiency, the company schedules burner tune-ups twice a year.


Pike Industries follows the sustainable practice of using reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS). A covered RAP storage area at the plant keeps the RAP dry, preventing the need to expend excess energy to remove the moisture before mix production.


The company also saves energy by using warm-mix foaming technology to aid compaction and improve the coating of binder on the aggregate. The reduced temperature required for a warm-mix when compared to a hot-mix asphalt saves energy, increases pavement quality, and provides a low-emission work environment for employees.


To further upgrade the Sidney Plant, an 8.5-mile natural gas pipeline to the site is under construction. "We wanted an upgrade to natural gas, but it previously wasn't available," Oakes said. "The Sidney Plant used propane, which doesn't burn as clean. We are looking forward to the completion of the pipeline in August 2018 so that we can continue to improve Pike Industries' sustainable practices at the plant."



Superior Asphalt Inc.
Grand Rapids, Mich.
Dutton Plant

At Superior Asphalt Inc., the company's commitment to the environment comes from its president and founder, Jeff Kresnak. His love of nature is reflected in the beautifully landscaped Dutton plant site. Located in an industrial cul-de-sac, the site's aesthetics have been enhanced with more than 100 native spruce trees, which require little water, to screen the plant from its neighbors and with stone signage and hardscaping sourced from the plant's Portland, EC-E5-Superior 2Mich., operations. Saving energy and water, and limiting waste are an important part of the company's values.


"We waste no materials and do our best to keep material out of Michigan landfills and waterways," said Kresnak. "We recycle everything — 100 percent of our asphalt. Nothing goes to the landfill."


The company's decades-long mandate to recycle was the catalyst that motivated it to spend 15 years perfecting a winter hot mix it provides to its municipal customers. "We are constantly working to improve our winter hot mix," Kresnak said. "It's tested on a daily basis to ensure it contains the 6 percent liquid asphalt or higher necessary to lock up."


In addition to Superior Asphalt's environmentally friendly values and innovations, the Dutton Plant uses an efficient 300 ton per hour drum plant. Burners are checked regularly, and their efficiency is calculated and monitored.


Superior Asphalt Inc. uses 15–20 percent reclaimed asphalt pavement (RAP) in most mix designs and has the air emissions permit required by the Michigan Department of Environmental Quality to make RAP mixes. RAP is closely monitored at all times to ensure a quality asphalt material that is durable and reliable.


"We run the cleanest facility possible," Kresnak said. "Our Dutton Plant is highly efficient, and we've had no noise complaints. The few emissions complaints we have had over the years were addressed immediately. The community truly welcomes us, and we try to be the best stewards we can be for the community and environment."


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