A world record was set in downtown Los Angeles as the foundation of a 73-story hotel at Wilshire Grand Center had more than 2,100 truckloads of concrete poured into it. Adrian Arambulo reports for the NBC4 News at 6:30 p.m. Sunday, Feb. 16, 2014.
More than 80 million pounds of concrete were poured for 18 hours in downtown Los Angeles this weekend as the Wilshire Grand Center set an official Guinness world record.
The foundation of the 73-story hotel involved more than 2,100 truckloads of concrete being poured from Saturday to about 11 a.m. on Sunday.
The project entered the Guinness Book of World Records for the largest continuous concrete pour in history, construction officials said.
Mayor Eric Garcetti and other city officials opened the beginning of the pouring, and the USC marching band kicked off the world record attempt.
Some roadways around Figueroa Street, Wilshire Boulevard, Francisco Street and 7th Street were closed on Saturday.
Here is the complete list of closures that were expected until Sunday night: