The $800-million Port of Anchorage expansion project is more than a year behind schedule because of rules that limit crews from working in the water when any of the roughly 300 local beluga whales are within a mile of the construction zone. As originally engineered by Seattle-based PND Engineers Inc., with construction oversight by Anchorage-based Integrated Concepts and Research Corp., a high-energy impact hammer was to be used to drill steel sheets into three hard-seabed areas for the earth-filled open-cell sheet-pile configuration. However, due to the whales, crews were forced to use a vibratory-hammer method instead. The vibratory hammer apparently
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.