Engineers, working with the city, have devised a program of repairs to the 26-story Hotel Grand Chancellor, damaged but still standing in the magnitude-6.3 earthquake Feb. 22 in Christchurch, New Zealand. Landmark hotel is in precarious position following devastating earthquake. At least one engineer, visiting from the U.S., advised the city against the repair as too risky to workers. After the remediation, owner Grand Hotels International will decide whether the building can be salvaged, say city officials. The hotel, which dropped about one meter at one end, is considered stable. The repairs will take three weeks. Damage to the hotel
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.