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Welcome to CONCRETE CURRENTS, the electronic newsletter from
Concrete Products magazine.
For additional industry news, technology, and highlights from the latest
issue of Concrete Products, please visit www.concreteproducts.com
Submissions for upcoming issues of CONCRETE CURRENTS or Concrete
Products can be directed to Editor Don Marsh, don.marsh@penton.com or
312/840-8483.
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Permeable pavements put to test at EPA
facility
Sources: U.S. Environmental Protection Agency, Washington,
D.C.; CP staff
EPA has initiated a 10-year investigation of pervious concrete,
permeable interlocking concrete, and porous asphalt pavements recently
placed in a parking lot at its Edison, N.J., Environment Center.
“Runoff from parking lots and driveways is a significant source of
water pollution and puts undo stress on our water infrastructure,
especially in densely populated urban areas,” said EPA Acting Regional
Administrator George Pavlou. Click
here for full story.
Our full line of admixtures including Superplasticizers, Retarders,
Accelerators, Slump Changing Admixtures, Air Entrainers/Detrainers is
available to Ready Mix Producers for easy plant or job site addition. www.fritzpak.com
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CalStar sets Greenbuild launch for fly ash-based
brick, pavers
Source: CalStar Products, Newark, Calif.; CP
staff
CalStar will unveil two profiles of high fly ash content
architectural brick (ASTM C-216 compliant) and Holland (ASTM C-902
compliant) pavers at the Greenbuild International Conference and Expo,
Nov. 11-13 in Phoenix. The launch is in advance of the company’s
anticipated December start up of a Caledonia, Wis., production line
deriving fly ash from Wisconsin Energy’s Oak Creek station. Click
here to read full story.
OCTOPUS 303 BP
The Octopus 303 BP (block/paver) Automatic Rotary Ring Series Stretch
Wrappers from ITW Muller wrap up to 45 loads per hour with patented
"tail tuck" film tail containment. The 303 BP uses Muller's high
strength BP film to securely wrap concrete products with optimal load
containment and minimal film costs.
ITW Muller
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AASHTO, Chamber of Commerce salute all-concrete
I-35W replacement bridge
Sources: American Association of State Highway and
Transportation Officials, Washington, D.C.; CP staff
A bridge redefining how federal and state agencies view concrete
methods’ fast-track potential and value engineering is the 2009
America’s Transportation Awards Grand Prize winner. The new Interstate
35W Mississippi River crossing, linking Minnesota’s Twin Cities,
topped an AASHTO and U.S. Chamber of Commerce competition recognizing
projects in “On Time,” “On Budget,” and “Innovative
Management” categories. Click
here for full story.
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Heldenfels Enterprises marks century in
precast/prestressed and construction
Source: Heldenfels Enterprises Inc., San Marcos,
Texas
On the heels of its largest project ever--the 3,000-piece Dallas
Cowboys Stadium in Arlington, Texas--Heldenfels Enterprises has
designated November for staff at headquarters and Corpus Christi plants
to celebrate a century of family business. "We have a strong team
spirit, most evidenced by our willingness to take on complex,
challenging projects," says CEO Fred Heldenfels IV. Click
her for full story.
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Dufferin, Knife River, Lafarge pilot Eaton's
automated clutch transmission
Sources: CP staff; Eaton Corp./Roadranger, Kalamazoo,
Mich.
Concrete and aggregate producers testing the UltraShift PLUS series
automated manual transmissions include Dufferin Concrete (Toronto
mixers), Knife River Belgrade Division (Montana dumps) and Lafarge North
America (Atlanta, Prairie province and B.C. mixers). Loaded with shift
selection software, the new Eaton family features the Vocational
Multipurpose Series and Vocational Construction Series models; with
torque capacities from 1,450–2,250 lb.-ft., they offer up to 300 lbs.
of weight savings compared to torque converter-type automatics. Click
here for full story.
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Hearing conservation group petitions OSHA to lower
noise exposure threshold
Source: National Hearing Conservation Association,
Westiminster, Colo.
NHCA has requested the Occupational Safety and Health Administration
lower the Occupation Noise Standard 29 CFR 1910.95 permissible exposure
limit (PEL) from 90 dBA to 85 dBA, and action level from 85 to 80 dBA.
Citing recent research by NIOSH and other organizations, NHCA contends
that American workers face a considerable risk of noise-induced hearing
loss associated with long-term. Click
here for the full story.
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