ACI Releases Statement on Floor Flatness

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ST. LOUIS, Mo. — The American Society of Concrete Contractors (ASCC), St. Louis, Mo., has published Position Statement #30, the latest in a series of papers on key issues of interest to cast-in-place concrete contractors, architects and engineers. “Responsibility for Slab Curling” explains that while concrete contractors are responsible for initial floor flatness and levelness measured within 72 hours of placement, flatness can change over time, due to curling, which results in raised edges and corners of concrete floor panels.   The paper cites the American Concrete Institute (ACI) and the Canadian Standards Association (CSA) that hold the designer accountable … Read more

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Allmand Maxi-Lite EX Series to Feature Vertical Tower

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HOLDREGE, Neb. — Allmand Bros. Inc. introduces the increasingly popular V Series vertical light tower configuration as a standard feature for its Maxi-Lite EX Series light towers.   The ML EX V Series offers the convenience of the vertical tower, a significantly extended run time, a larger, wider, and more stable trailer, and added auxiliary power. This multi-purpose unit brings extra versatility to construction, mining, oil and gas worksites, tent cities, and event venues.   STRAIGHT UPWith the V Series design, the mast on the ML EX V Series will vertically telescope and retract from its own housing, resulting in … Read more

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Unitec's CS 1500k Dust Collection Wet/Dry Vacuum

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CS Unitec's CS 1500K dust collection wet/dry vacuum includes a “Y-adapter” allowing two power tools to be connected at the same time. Its built-in power take-off outlet activates ON/OFF from the power tool switch, making this vacuum ideal for use with power tools. Also included are two, no-memory, non-static 15-foot heavy-duty vacuum hoses that maintain their shape without kinks or knots. The CS 1500K is portable for in-shop or job site use.   The compact CS 1500K wet/dry vacuum is designed primarily for concrete and masonry dust, as well as normal debris cleanup. With the “Y-adapter” to connect two tools, … Read more

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Lighting the Path to Energy Efficiency: Changes Proposed for Standard 90.1

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ATLANTA, Ga. — From green roofs to glazing products, measures to increase energy stringencies are being proposed for major sections of Standard 90.1. ANSI/ASHRAE/IESNA Standard 90.1-2007, Energy Standard for Buildings Except Low-Rise Residential Buildings, provides minimum requirements for the energy-efficient design of buildings except low-rise residential buildings.   Currently, nine proposed addenda to the standard are open for public review.   Proposed addendum by would establish revised lighting power densities for both the whole building and space-by-space compliance methods. The addendum would reduce lighting power allowances in many building and space types while maintaining industry recommended lighting levels as their … Read more

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Makita’s New Drywall Screwdriver Lineup Delivers Speed, Power and Ergonomics

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Three new models built for all framing and hanging applications Makita USA, Inc., manufacturer of high quality industrial power tools and accessories, is proud to announce the release of its drywall screwdrivers, models FS2200 (2,500 RPM), FS4200 (4,000 RPM) and FS6200 (6,000 RPM). The new drywall screwdrivers deliver speed, power and ergonomics for all framing and hanging applications. ”Makita’s new drywall gun line-up features the most compact and lightweight drywall guns on the market,” said Anthony Corwin, product manager, commercial products. “The increased ergonomics combined with several unique features make these a top choice for drywall applications.” Makita’s drywall screwdrivers … Read more

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