A tower crane collapsed yesterday at the new Google facility in Seattle, killing four, two are said to be crane erectors or operators, while the other two – a man and a woman – were sitting in cars passing in the street below.
Four other people were injured, one was treated at the scene while at least two others have been released from hospital, the fourth person a man is reported to be in stable condition.
The incident occurred Saturday afternoon/evening Seattle time, the crane, a Liebherr, was being dismantled at the time, the jib and counter jib has been removed when the top half of the tower came away from the bottom half just above the top of the building. When the tower landed on the roof, the cab assembly and one of the top tower section parted company with the rest of the fallen tower and fell into the street. Right above a set of traffic lights. Strong wind with significant gusts, were also reported in the area when the incident occurred.
The following video has now posted in
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We will of course update this as and when we learn more.
UPDATE June 11th
The state Department of Labour and Industries formally closed its investigation into Seaburg Construction, the company that provided the crane operators, but - having found no violations, and confirmed that it had no involvement in its dismantling which was being carried out when it collapsed. The agency is continuing its investigation of four other companies: general contractor GLY Construction, subcontractors Northwest Tower Crane Service and Omega Morgan, and crane owner Morrow Equipment. Investigators are focusing on the possible premature removal of the all of the crane's tower bolts while team waited for the wind to drop allowing the mobile crane to resume work.
UPDATE October 17th
Crane supplier Morrow Equipment which supplied the crane was fined $70,000 as it had an expert on site who did not stop the crew from Northwest Tower Crane Service was dismantling the crane from removing all of the tower pins while they waited for the wind to drop so that the mobile crane could resume its duties. It was fined $12,000 for not having a supervisor on site, while main contractor GLY was fined $25,000. A criminal investigation has also been launched. See full story