Vince Hagan Co. has announced a horizontal mixer with 8-yd. yield for roller-compacted concrete mixer and 10-yd. yield for cement-treated base mixes with ½-in. and higher slump. The model is Plant Mixer Manufacturers Division performance rated for a 30-second mix time in 4- to 6-in. slump material and 4-in. slump or less paving loads.
Read MoreMonth: September 2011
Building energy facts rise as judge dismisses LEED lawsuit
Findings from charter research projects at the two-year-old Concrete Sustainability Hub continue to validate longstanding industry claims on potential energy savings a home or building owner can realize with concrete structures. They surface as construction and real estate interests look beyond the style of green certification to the substance of hard energy-consumption numbers during a project’s use or operation phase.
Read MoreArgos, Cemex lead NRMCA Quality Awards
Sources: National Ready Mixed Concrete Association, Silver Spring, Md
NRMCA is honoring 14 members in its 2011 Quality Awards competition. Following NRMCA Research Engineering and Standards Committee criteria, producers enter as a single entity or division within a company, submitting applications and validation of claims.
Read MoreNCMA weighs proposal for 100-psi boost in ASTM C90 compressive strength floor
Source: National Concrete Masonry Association, Herndon, Va.
Preliminary results from NCMA Research and Development Laboratory tests on concrete masonry units and prism specimens indicate a one-to-one correlation in compressive strength at the 2,000-psi range. The measurement of 2,000-psi unit strength yielding 2,000-psi prism strength is one-third higher than widely referenced tables in current codes acknowledge.
Read MoreConsultant issues RFP aimed at beneficial stainless steel slag applications
Source: NineSigma, Cleveland
Technology and licensing specialist NineSigma has issued a request for proposals to test or develop uses for milled stainless steel slag in prospective markets including construction materials and road building.
Read MoreTrucking regs compliance specialist hosts “Distracted Driving” webinar
Source: Compli, Portland, Ore.
“Distracted Driving: Are You in Compliance?” is the theme of a free September 22 webinar during which Compli staff, ZoomSafer CEO Matt Howard and Attorney Todd Clement will address a) Legal framework and case law regarding employer responsibility for employee cell phone use while driving;
Read MoreHigh Concrete Group, AltusGroup team for precast Enclosure Seminars
Source: High Conrete Group LLC, Denver
AltusGroup, Inc., the first-ever partnership of precast manufacturers, is spotlighting sustainable precast building enclosure systems in its “More with Less” seminars, structured for architects and other construction industry professionals seeking continuing education opportunities. AltusGroup founding member High Concrete Group will present in five of 16 venues around the United States.
Read MoreNetworked general contractor settles safety newsletter piracy case
Source: Software and Information Industry Association (SIIA), Washington, D.C.
Acting on behalf of Cal-OSHA Reporter publisher Providence Publications LLC, SIIA has settled copyright infringement claims against Harbison-Mahony-Higgins Builders, Inc. (HMH Builders), a subsidiary of major general contractor Swinerton & Walberg Co.
Read MoreGraniterock prevails against driver ‘meal period’ class action
Sources: Granite Rock Co., Watsonville, Calif.
In a tentative statement of decision, Santa Clara County Superior Court Judge James Kleinberg determined that Graniterock was not in violation of California law as it relates to off-duty meal periods for employees. The wage and hour class action saw a 14-day bench trial, with the court considering whether the producer adequately “provided” mixer truck drivers meal breaks.
Read MoreLehigh Hanson chief to lawmakers: EPA regs could doom 18 cement plants
Source: Portland Cement Association, Skokie, Ill.
This week’s passage of “Cement Sector Regulatory Relief Act of 2011” (H.R. 2681) by the House Subcommittee on Energy and Power is being touted as a significant step towards regulations that protect American lives and American jobs. Testifying in Washington, D.C., before the U.S. House Committee on Energy and Commerce just prior to the bill’s passage, Dan Harrington, president and CEO of Lehigh Hanson, Inc., and former PCA chair, stressed to Congress that inaction on onerous EPA regulations could force the closure of 18 of the nearly 100 U.S. cement plants and result in the direct loss of 4,000 high-paying manufacturing jobs. Led by Rep. Ed Whitfield (R-KY), chair of the Subcommittee on Energy and Power, the hearings focused on H.R. 2681, as well as the “EPA Regulatory Relief Act of 2011,” (H.R. 2250), which addresses boilers and incinerators.
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