Industry News

Florida Design-Build Team Takes Sustainability Award

ACPA presented the 2018 Sustainability Practices Award to the Florida DOT and Archer Western Construction.

The two organizations were recognized for their innovative design-build team which proposed, engineered, and built a 16-ft wide  full-depth concrete shoulder to serve as an emergency lane along State Route 98 in Jacksonville.

The decision to provide the emergency lane reflects forward-thinking context sensitivity, which is rare and an inherently important part of sustainable construction. 

This is a positive example of including the societal benefit of avoiding future construction costs and eliminating future lane closures.

An official of Archer Western Construction accepted the award on behalf of the design-build team. 

Visit us at World of Concrete 2019

Be sure to stop by booth C4326 at World of Concrete 2019.  We’re just inside the central hall if you’re entering from the north hall.  This year, we will be exhibiting with PCA and IGGA, so we hope to see you there.

Remember, you still have time to exhibit at three association training courses:

  • Smooth Concrete Pavements (Course ACPAMO) –  Mon, Jan. 21 from 1:00 p.m. – 4:30 p.m.
  • Joint Design, Construction & Sealing (Course ACPAWE) – Wed, Jan. 23 from 9:00 a.m. – 12:30 p.m., and
  • Designing Concrete Pavements, featuring PavementDesigner.org, (Course ACPATH) – Thurs., Jan. 24, 9:00 a.m. – 12:30 p.m.

Please click  here to view a downloadable e-flyer with more information. Clicking on the e-flyer also opens an online registration link.

 

 

FHWA Releases AID-PT Annual Report

The Federal Highway Administration has released its 2017-2018 Accelerated Implementation and Deployment of Pavement Technologies (AID-PT) program annual report.   The 37-page report includes a summary of goals of the AID-PT program, along with casebook examples developed around sustainability, tech transfer, “back to basics” education, recycling/reuse, research initiatives, performance-engineered mixtures, and more.

The report also includes quotes from ACPA President/CEO Jerry Voigt, who says, “Dividends from the AID-PT investments can be seen in technology advancements such as performance-engineered concrete mixtures, which is a program striving to ensure that agencies can specify—and contractors can deliver—durable pavements every time.”  He also cites a number of other benefits, including the FHWA’s Mobile Concrete Trailer.

The AID-PT program was the result of a legislative provision that was championed by ACPA and first included in the Moving Ahead for Progress in the 21st Century Act (MAP 21).  This ACPA-led initiative created both a mechanism and funding for the delivery of pavement technology for both the concrete- and asphalt-pavement industries.  

Since 2012, the Federal Highway Administration has administered AID-PT with direct input from industry, including ACPA, which remains actively involved in assisting FHWA with support for the program, including continuing to advocate for renewal of the program in highway reauthorization efforts, as well as communicating program results and benefits to the concrete pavement industry. In 2015,  again with strong support by ACPA and other stakeholder groups, Congress included the program in the Fixing America’s Surface Transportation (FAST) Act, which provides funding through 2020.

Since its inception, the program has resulted in benefits to the concrete pavement community, including contracts and cooperative agreements with the National Concrete Pavement Technology Center (CP Tech Center), an ACPA Technology Partner. 

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Interested in other government affairs news?  Follow this link to see ACPA’s government affairs repository.

Don’t Miss These ACPA, ISCP Webinars

There’s still time to register for the two ACPA and the ISCP webinars, which are part of a series that continues through 2019.  Details follow below:

Life Cycle Cost Analysis for Concrete Pavements (Thu, Dec 6, 2018 12:00 p.m. – 1:30 p.m. CST) – This two-part webinar will cover this economic procedure used to compare competing pavement designs, over the analysis period, considering all significant costs expressed in equivalent present value dollars.  The presentation topics are:

  • “LCCA principles and use for design and project selection,” by Jim Mack, Director-Market Development-CEMEX and ACPA 2019 Chairman, and
  • “Australian approach to LCCA for PCC pavement decision-making” by Justin Moss, Associate Technical Director & Team Leader-Arcadis (ISCP Director);

Rolling quality, friction and surface texture for concrete pavements (Calidad de rodadura, fricción y textura superficial para pavimentos de hormigón) (Thu, Dec 13, 2018 9:30 a.m. – 11:00 a.m. CST) – This webinar will cover surface characteristic indicators for concrete pavements are p resented. Typical equipment used to measure surface irregularity (rolling quality), friction coefficient, and depth of texture are mentioned. The webinar will be presented by Erwin Kohler of 3ipe (ISCP Director).  Please note:  This webinar is presented only in Spanish.

Divided Highways-Urban (GOLD)

US 24 Westbound – Constitution Ave. to Garrett Rd., Colorado Springs, CO
Contractor: Castle Rock Construction Company
Owner/Engineer: Colorado DOT Region 2

US 24 Westbound connects Colorado Springs and Falcon, CO. The existing asphalt roadway was showing severe deterioration, it was determined the roadway needed complete replacement. The Colorado DOT decided to bid the project as an alternate bid/alternate design.

Castle Rock Construction was awarded the project, which was awarded by a wide margin with the life-cycle cost adjustment. The project had a life-cycle cost adjustment of more than $1 million, and in contrast, the low asphalt bid was $100,000 under the second-place concrete bid. The sections were 7 in. hot mix versus 8.25 in. concrete.

The project included 10,000 SY of asphalt planing and more than 75,500 SY of full-depth reclamation; more than 65,000 SY of 8.25 in. doweled concrete pavement; and traffic signal reconfigurations. During the concrete portion of this project, it rained every afternoon. However, the rain was no match for the project team, which was able to make up the time, so much so that the contractor earned most of the early completion incentive.

The concrete pavement required no corrective action for smoothness, thanks to an optimized concrete mixture and quality paving, curing, sawing, and sealing. Castle Rock used an innovative testing procedure for the aggregates. Combined gradations were done three times daily in a pug mill to assure the mix was within the specified range for coarseness and workability, as well as to attain the amount of free water in the aggregates. This allowed the contractor to adjust batch water to maintain a very consistent batch.

Sustainability was also a consideration with this project, and the contractor demonstrated a commitment to source reduction and recycling in several ways. The cement used featured a 10% lime stone replacement, which lowered the carbon footprint. Fly ash was also part of the mix, which not only yields a stable, durable slab, but also diverts a potential waste material away from landfill. The asphalt FDR materials from the project were crushed onsite and used as road base, thus allowing a significant reduction in trucking and fossil fuel use, as well as a less virgin material.

As a result of the hard work, commitment to quality, and attention to detail Castle Rock completed the project on time and within budget and delivered a quality concrete pavement that will provide excellent service to travelers, residents, and visitors to these two popular Colorado cities.

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