This week we look at a ride-on trencher from Ditch Witch and a roll-out waterproofing membrane from Grace Construction Products. Click to begin the slide show.
In an industry that is slowly embracing alternative energy for heavy equipment, John Deere's Construction & Forestry division has thrown its hat into the hybrid ring with its new 644K Hybrid wheel loader, which uses a diesel engine to power an electric drive system that burns up to 25% less fuel.
Much of the June 12 federal lawsuit that Manitowoc Cranes LLC has filed against Sany America Inc. discusses veteran crane engineer John Lanning's departure from Manitowoc to help Sany bring crawler cranes to the American market.
Photo Courtesy NEORSD Talking Heads Project owners are using Twitter to update the public by speaking for the tunnel-boring machines. Above is Mackenzie, northeast Ohio's 1,500-ton TBM, showing its yellow-and-green cutter head. Related Links: Q&A: Ten Minutes With Tunnel Boring Machines That Tweet Barnhart Modular Lift Tower Positions Seattle TBM Perhaps not since Bob the Builder have so many pieces of heavy construction equipment had so much to talk about. Instead of miniature, voice-overed claymation figures on a children's television show, Twitter is featuring actual tunnel-boring machines deployed at jobsites across the U.S. With some help from their human colleagues
Twitter Bertha, which claims to be the world's largest diameter TBM, has more than 3,500 followers on Twitter. Related Links: People Dig Tunnel Boring Machines That Tweet Barnhart Modular Lift Tower Positions Seattle TBM Project owners are using social media, such as Twitter, to gain public awareness about their construction work. As such, several tunnel boring machines (TBMs) are carving out some time to share their "observations" with the Twitterverse. We recently held an offline chat with the Tweeting TBMs about their experiences; their answers follow below.ENR: How do you work Tweeting into your busy project schedule?@BerthaDigsSR99: It’s a challenge
Related Links: High-Strength Rebar Market Is Heating Up Charles Pankow Foundation Steward of Charles Pankow Foundation Supports Building Innovation One Grant at a Time The Charles Pankow Foundation, which, since 2006, has spent $7.4 million funding 42 mostly unrelated research projects, is switching gears. To improve construction practice, it will now focus on larger research concepts that could have an impact on all structures, not just buildings.The group has picked high-strength reinforcing steel for its first wide-impact research program. The goal is to update the concrete code, which currently limits the use of higher-strength rebar in all types of structures.Pankow
The 60-year-old family-owned company now is set to emerge from bankruptcy with its leadership intact. Related Links: How Ahern Rentals Landed in Bankruptcy Vegas' CityCenter Eyes Rocky Finish After 18 months in bankruptcy over $620 million in debt, Don F. Ahern is breathing a heavy sigh of relief. Ahern, who is president of the country's largest private construction-equipment rental company, received approval on June 5 for a Chapter 11 bankruptcy exit plan in federal court in Reno, Nev. As part of the deal, Ahern will remain at the helm of 60-year-old Ahern Rentals Inc.The Las Vegas-based
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