LA workers break record for largest concrete pour

Crews pour concrete to lay the foundation for the New Wilshire Grand building in a record attempt for the largest continuous concrete pour in history, Saturday, Feb. 15, 2014, in downtown Los Angeles. The marathon pour is expected to last 20 hours without interruption. The attempt will be verified by an official from Guinness World Records.  The New Wilshire Grand will be the tallest building to be built west of the Mississippi and is expected to be completed in 2017. (AP Photo/Mark J. Terrill)
Crews pour concrete to lay the foundation for the New Wilshire Grand building in a record attempt for the largest continuous concrete pour in history, Saturday, Feb. 15, 2014, in downtown Los Angeles. The marathon pour is expected to last 20 hours without interruption. The attempt will be verified by an official from Guinness World Records. The New Wilshire Grand will be the tallest building to be built west of the Mississippi and is expected to be completed in 2017. (AP Photo/Mark J. Terrill)

LOS ANGELES (AP) — A Guinness World Records adjudicator says a Los Angeles project laying the foundation for the tallest building west of the Mississippi has broken the world record for the longest continuous concrete pour after 18 ½ hours.

Adjudicator Michael Empric says 21,200 cubic yards of concrete were poured by 11:30 a.m. Sunday, beating the existing record of 21,000 cubic yards set by The Venetian hotel in Las Vegas in 1999.

The record completion was marked by blaring horns. Empric monitored the pour overnight by smartphone before meeting with contractors and engineers Sunday.

Sean Rossall, spokesman for the New Wilshire Grand, says 208 trucks made more than 2,100 trips and poured 82 million pounds of concrete.

The hotel is scheduled to be completed in 2016 and to open in 2017.

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