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Economist measures minor drop in bridges deemed structurally deficient

10 Bridge 150An analysis of the recently-released 2014 U.S. Department of Transportation National Bridge Inventory database finds good news and bad news when it comes to the most heavily traveled U.S. bridges. While there are 2,000-plus fewer structurally deficient crossings than there were in 2013, a seemingly endless backlog of bridges needing significant repair remains.

 

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Report assesses how BIM adoption sharpens crews, improves jobsite safety

Thanks to increased use of Building Information Modeling technology, contractors are able to reduce overall schedules and onsite injuries, according to “Safety Management in the Construction Industry.” When incorporated in a project, the new McGraw Hill Construction SmartMarket Report finds, BIM helps increase crew members’ safety awareness by:

 

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Forum Quantifies Environmental, Fuel Economy Merits of SCR Systems

12 SCR 150Growing adoption of clean diesel systems utilizing Selective Catalytic Reduction (SCR) technology is reducing emissions and increasing fuel efficiency in heavy-duty trucks and smaller vehicles, according to Diesel Technology Forum Executive Director Allen Schaeffer.

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OSHA harmonizes confined space rule for general industry, construction sites

The Occupational Safety and Health Administration has issued a final rule, effective August 2015, to increase protections for construction workers in confined spaces, where life-threatening hazards include toxic substance exposure, electrocution, explosions, and asphyxiation. Manholes, crawl spaces, tanks, and other confined spaces are not intended for continuous occupancy, agency officials contend, adding that such structures are also difficult to exit in an emergency.

 

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Group enlightens EPA on new diesel engines’ indispensable role in cleaner air

During the first of three hearings on updated national air quality standards for ground-level ozone, Diesel Technology Forum Executive Director Allen Schaeffer told U.S. Environmental Protection Agency officials that new engine technology and accelerated upgrades to existing vehicles and equipment will be important in meeting future thresholds. EPA has proposed to strengthen ozone standards to a level within a range of 65 to 70 parts per billion to further reduce national air quality issues, while also taking comments on a level as low as 60 ppb.

 

Read more: Group enlightens EPA on new diesel engines’ indispensable role in cleaner air