Production: Page 292

Mix Design
NAPA & FHWA Seek Survey Participants
National Asphalt Pavement Association (NAPA)
Input from all U.S. asphalt producers sought by July 31 to gauge usage of reclaimed/recycled materials, warm mix asphalt technologies
Plants
Model 210h Drive Sweeper
TYMCO Inc.
Hydraulic drive integrated into Ford's live-drive power takeoff offers low-maintenance sweeping without need for an auxiliary engine
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Plants
Tilcon Opens State-of-the-Art Asphalt Plant in New Jersey
Plant is capable of producing 600 tons per hour and storing 2,700 tons of material in nine 300 ton hot storage silos, at its Mount Hope Quarry, Wharton, NJ.
EPDs
The Power of Propane
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Quality Control
EGON: Equipment Guidance and Operation Network
Guntert & Zimmerman
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Safety
Illinois Contractor Cited for Trench Safety Violations
Occupational Safety & Health Administration
Five safety violations, including one willful, for failing to protect workers from cave-ins during trenching carry proposed penalties of $72,380
Plant Maintenance
California Transportation Commission Approves Nearly $1 Billion in New Construction Projects
Caltrans
Funding for 114 projects will support job growth, alleviate traffic delays and repair aging roads and bridges
Infrastructure
Coarsely Ground Tires Compete with the Cost of Asphalt Polymers
Mississippi paves a mile on U.S. 49 using the PG76-22GTR spec that allows coarser, less costly, ground scrap rubber in the mix
1,000 tires from local landfills were used to produce nearly 1,050 tons of mixture for the mile-long GTR test on Mississippi's U.S. 49.
Infrastructure
Fine-Tuning Amplitude Selection
Eight questions to ask when Fine-tuning Amplitude Selection during Compaction
SMA, or open, gap-graded mixes, do not accept as much impact force as dense-graded mixes.
Infrastructure
Association: Increase in Highway Fatalities Calls for Continued Investments in Road Safety
Strong federal investment in roadway safety infrastructure and engineering safety countermeasures is needed
Dirt Work
Energy Companies Look for Help When Fracking Operations Degrade Roadways
E.J. Breneman uses FDR to stabilize roads in the Marcellus and Utica shale fields of Pennsylvania
The Wirtgen reclaimer Breneman uses to mix the cement and road base materials into a homogeneous blend of material
Infrastructure
Automation Helps Producer Manage Quality, Minimize Waste
In this "close is not good enough" world, Duval Asphalt uses its automation system to monitor every ingredient and get the mix right the first time
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