Timing is everything. While writing this week’s cover story about the three amazing tunneling jobs that will expand New York City’s subway system, ENR Senior Editor Aileen Cho took a few hours away from work to attend a gathering of tunneling intelligentsia. Photo: Matthew Mauro Bloomberg praised The Moles’ role in the life of the city. CHO She was a guest at The Moles annual awards dinner on Jan. 26, when almost 2,000 heavy-construction experts gathered to honor leading executives Robert E. Alger, CEO of Lane Construction, and Peter O. Shea, executive vice president at J.F. Shea Co. Inc. In
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.