New product announcements: 08/19/2009 Portable Coring Machine: Self-Contained Design The Hilti DD 120 Diamond Coring System is able to core up to six 4-in.-dia holes in reinforced concrete on a single charge. The self-contained system weighs only 22 lb, and its only external requirement is a water hose. The tool’s portability allows it to core in areas where the tool must be lifted into place, such as in making through-holes for sprinkler systems. The DD 120 has two operating speeds and a set of colored LED lights that indicates the pressure needed. It is compatible with a wide range of Hilti
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.