At a recent meeting, the Concrete Reinforcing Steel Institute (CRSI) Board of Directors urged all CRSI producer members to revert to an inch-pound bar marking system for all sizes and grades of deformed reinforcing steel products. CRSI members produce more than 90% of domestic reinforcing steel.
The intention of this resolution is for all new rollings of reinforcing steel products to be marked with inch-pound bar markings no later than January 1st, 2014. Providing a 25-month phase in period should permit producer members sufficient time to re-tool finish roll inventory to the inch-pound marking system as rolls need to be replaced, significantly reducing or eliminating the need to unnecessarily cut new rolls to meet the resolution.
As the ASTM specifications for reinforcing steel products permit reinforcing bars to be marked in either soft metric, or inch-pound markings, existing inventory of soft metric bars can continue to be sold alongside inch-pound marked bars during and after the January 1st, 2014, phase-in target.
The intention of this resolution is to reduce confusion and the chance of errors or delays from the construction supply chain. CRSI members are strongly encouraged to revert to the inch-pound marking system for steel reinforcing bars as soon as practical to minimize any additional confusion to the supply chain of steel reinforcing bars.
This change is the result of several actions. The Federal Highway Administration no longer mandates metrification of federally funded road and bridge construction projects and all state Departments of Transportation no longer require materials to be specified and sourced in metric sizes/quantities. Additionally, a large majority of the non-governmental construction community never adopted metric measurements in their plans and specifications. The American Concrete Institute (ACI), through their Technical Activities Committee (TAC), has strongly encouraged CRSI members to mark reinforcing bars with traditional inch-pound size designations. ACI is the standards body within the United States responsible for developing the concrete building code. The concrete building code and other ACI documents reference the inch-pound size as the primary designation.
“It made logical sense for the industry to begin the process to move away from soft metric markings,” said Robert Risser, CRSI President. “None of our private or government customers are using metric plans or specifications any longer. The phase-in period will allow industry members to make the change over at minimal additional expense. CRSI is now in the process of making the appropriate changes to our manuals and literature.” BD+C
Related Stories
| Aug 20, 2014
Tour an office with no assigned workstations [slideshow]
The New York office of the Gerson Lehrman Group recently redesigned its office without personal desks or cubicles. The company gave each of its 250 employees a locker, a laptop, and told to work anywhere they wanted, according to Business Insider.
| Aug 20, 2014
Architecture Billings Index reaches highest mark since 2007
The American Institute of Architects reported the July ABI score was 55.8, up noticeably from a mark of 53.5 in June.
| Aug 19, 2014
Goettsch Partners unveils design for mega mixed-use development in Shenzhen [slideshow]
The overall design concept is of a complex of textured buildings that would differentiate from the surrounding blue-glass buildings of Shenzhen.
| Aug 19, 2014
HOK to acquire 360 Architecture
Expected to be finalized by the end of October, the acquisition of 360 Architecture will provide immediate benefits to both firms’ clients worldwide as HOK re-enters the sports and entertainment market.
| Aug 19, 2014
A designer's epiphany: 'Let's stop talking and make something'
Making things is important because it reveals gaps in thought, sheds light on the fundamental assumptions that can kill ideas, and forces us to push toward solutions that actually work, writes HDR's David Grandy.
| Aug 19, 2014
Construction boom lures new class of lenders in Nashville, says JLL
In the coming months, a gleaming S-shaped tower will join Nashville's burgeoning skyline. The new tower is just one example of a project financed not with conventional construction loans but with a unique blend of equity and debt.
| Aug 18, 2014
Perkins+Will expands planning practice with strategic focus on underserved U.S. communities
The broadened focus is resulting in comprehensive, long-term plans that will guide new growth in places like Buffalo, N.Y., Kingston, R.I., and Brooklyn, N.Y.
| Aug 18, 2014
SPARK’s newly unveiled mixed-use development references China's flowing hillscape
Architecture firm SPARK recently finished a design for a new development in Shenzhen. The 770,700 square-foot mixed-use structure's design mimics the hilly landscape of the site's locale.
| Aug 18, 2014
Seaside luxury: Arquitectonica, Melo Group introduce Aria on the Bay condo tower in Miami
Melo Group has launched sales for Aria on the Bay, its new 647-unit luxury condominium in Miami. The bayfront condo will overlook Margaret Pace Park, Biscayne Bay and the Miami Beach skyline.
Sponsored | | Aug 16, 2014
Fire-rated framing system makes the grade at Johnson & Wales University Center
The precision engineering of TGP’s Fireframes Aluminum Series creates narrow profiles and crisp sightlines at Johnson & Wales University Center for Physician Assistant Studies