Big Blue (crane)
Encyclopedia

Profile

  • Started at Miller Park: October 2, 1998
  • Height: 467 feet
  • Weight: 3,100 tons
  • Lifting Capacity: 1,500 tons
  • Counterweights: 2,150 tons
  • Cables: 40,000 feet
  • Operators: Four
  • Cost to Build: $10 million
  • Assembly Time: Six weeks
  • Average weight of each roof section: 450 tons

Accident

On July 14, 1999 one of the most serious accidents with a heavylift crane occurred. Big Blue collapsed during the construction of the baseball stadium Miller Park in Milwaukee, Wisconsin
Milwaukee, Wisconsin
Milwaukee is the largest city in the U.S. state of Wisconsin, the 28th most populous city in the United States and 39th most populous region in the United States. It is the county seat of Milwaukee County and is located on the southwestern shore of Lake Michigan. According to 2010 census data, the...

, USA, with a load of 450 tons on the hook. Three people were killed. 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.

External links


http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_id=764&p_table=NEWS_RELEASES
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK