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Big Blue Crane collapse : ウィキペディア英語版 | Big Blue Crane collapse The Big Blue was a Lampson Transi heavylift crawler crane that collapsed on July 14, 1999, killing three construction workers. ==Accident== On July 14, 1999 at approximately 5:12 pm, the Big Blue collapsed during the construction of the Miller Park baseball stadium in Milwaukee, Wisconsin, with a load of over on the hook.〔 Three Iron Workers Local 8 members, Jeffrey Wischer, William DeGrave, and Jerome Starr, were killed when the suspended personnel platform in which they were observing the lift was hit by the falling crane.〔(【引用サイトリンク】title=Big Blue Crane Accident: A tragic day at Miller Park )〕〔(【引用サイトリンク】title=The Great American Ballpark (A) )〕 A camera crew was filming construction of the stadium on that day and captured the collapse on video as it occurred. Wind speeds were between , with gusts of up to , at the time of the collapse.〔 The boom was rated to , and other workers had expressed concern at the speed of the wind.〔〔 An investigation revealed that although the effects of side winds on the crane itself had been calculated, it had not been considered for the load the crane was lifting.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Big Blue Crane collapse」の詳細全文を読む
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