In 2007, a contractor worked itself into a pickle while building a Midwestern wind farm. There, a Demag CC2600 was being walked from one turbine pad to another. As the 500-ton crawler crane moved down a slight hill, it suddenly tipped forward. The counterweight overcame the upperworks, causing the boom to jackknife and crash to the ground. Photo: WHECO Corp. A crawler crane that tipped over on a wind farm in 2007 was repaired in about five months. It is shown from the scene of the accident Photo: WHECO Corp. Its arrival in the shop Related Links: Crane Owners Step
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.