{"id":9910,"date":"2017-01-20T14:48:48","date_gmt":"2017-01-20T14:48:48","guid":{"rendered":"http:\/\/minutes.machine.market\/?p=9910"},"modified":"2017-01-20T14:48:48","modified_gmt":"2017-01-20T14:48:48","slug":"osha-finds-faulty-vibrating-hammer-clamp-caused-the-tappan-zee-manitowoc-mlc300-crane-collapse","status":"publish","type":"post","link":"https:\/\/machine.market\/blog\/osha-finds-faulty-vibrating-hammer-clamp-caused-the-tappan-zee-manitowoc-mlc300-crane-collapse\/","title":{"rendered":"OSHA finds faulty attachments caused the Tappan Zee Manitowoc MLC300 crane collapse"},"content":{"rendered":"<div class=\"dateline\">\n<p><a href=\"http:\/\/abc7ny.com\/news\/exclusive-faulty-equipment-blamed-for-tappan-zee-crane-collapse\/1710768\/\" target=\"_blank\" rel=\"noopener noreferrer\">ABC7NY<\/a> reports, a federal investigation into the Manitowoc MLC300 crane collapse on the <a href=\"http:\/\/www.newnybridge.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Tappan Zee Bridge<\/a> last year found that there were major problems with the vibrating hammer being used at the construction site.<\/p>\n<p><iframe loading=\"lazy\" src=\"http:\/\/abc7ny.com\/video\/embed\/?pid=1710819\" width=\"476\" height=\"267\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>The Occuptional Safety and Health Administration (OSHA) released its report Thursday into the toppling last July of the 25-story crawler crane that using a vibrating hammer to drive tube-like pilings into the Hudson River.<\/p>\n<p><strong>Related<\/strong><\/p>\n<ul>\n<li><strong><a href=\"http:\/\/minutes.machine.market\/index.php\/2016\/07\/21\/tappan-zee-crane-collapse-operator-blames-slingshot-effect\/\" target=\"_blank\" rel=\"noopener noreferrer\">Tappan Zee Crane collapse: Operator blames \u2018slingshot\u2019 effect<\/a><\/strong><\/li>\n<li><strong><a href=\"http:\/\/minutes.machine.market\/index.php\/2016\/07\/21\/5168\/\" target=\"_blank\" rel=\"noopener noreferrer\">Feds, state probe Manitowoc MLC300 at the center of the Tappan Zee Bridge crane collapse<\/a><\/strong><\/li>\n<li><strong><a href=\"http:\/\/minutes.machine.market\/index.php\/2016\/07\/19\/construction-crane-collapses-onto-ny-tappan-zee-bridge-3-drivers-2-workers-hurt\/\" target=\"_blank\" rel=\"noopener noreferrer\">A Manitowoc 300t MLC300 crawler crane collapses onto NY Tappan Zee Bridge; 3 Drivers, 2 Workers Hurt<\/a><\/strong><\/li>\n<\/ul>\n<p>It was during that operation that the teeth-like clamp of the 60-ton hammer let go of the heavy piling.<\/p>\n<p>OSHA inspectors found that the jawed teeth of the hammer&#8217;s clamp were corroded on one side, and in addition, hydraulic hoses on the hammer were leaking.<\/p>\n<p>That led to the hammer&#8217;s unexpected release of the pile, which was followed by the crane&#8217;s failure and collapse of the boom.<\/p>\n<p>Inspectors also found that the crane&#8217;s capacity was lower than the required safety guidelines for the piling operation.<\/p>\n<p>OSHA cited the contractor, Tappan Zee Constructors, with a serious violation and a nearly $13,000 fine.<\/p>\n<p>The violation does not mention any findings concerning operation error, but focuses on the faulty vibratory hammer.<\/p>\n<p>There were no serious injuries when the crane collapsed, but criticism and questions followed as to whether contractors weighed the risks of positioning such a massive crane so close to one of the nation&#8217;s busiest bridges.<\/p>\n<p>The contractor has until February 9 to meet with OSHA to contest the findings of the citation.<\/p>\n<p>By <a href=\"http:\/\/abc7ny.com\/about\/newsteam\/jim-hoffer\" rel=\"author\">Jim Hoffer<\/a><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-9911\" src=\"https:\/\/cranemarket.com\/blog\/wp-content\/uploads\/2017\/01\/OSHA-Citation.jpg\" alt=\"OSHA-Citation\" width=\"647\" height=\"657\" srcset=\"https:\/\/machine.market\/blog\/wp-content\/uploads\/2017\/01\/OSHA-Citation.jpg 647w, https:\/\/machine.market\/blog\/wp-content\/uploads\/2017\/01\/OSHA-Citation-295x300.jpg 295w\" sizes=\"(max-width: 647px) 100vw, 647px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>ABC7NY reports, a federal investigation into the Manitowoc MLC300 crane collapse on the Tappan Zee Bridge last year found that there were major problems with the vibrating hammer being used at the construction site. The Occuptional Safety and Health Administration (OSHA) released its report Thursday into the toppling last July of the 25-story crawler crane [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9912,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":""},"categories":[2,7],"tags":[1017,1446],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v14.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OSHA finds faulty attachments caused the Tappan Zee Manitowoc MLC300 crane collapse - MachineMarket Blog<\/title>\n<meta name=\"robots\" content=\"index, follow\" \/>\n<meta name=\"googlebot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta name=\"bingbot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cranemarket.com\/blog\/osha-finds-faulty-vibrating-hammer-clamp-caused-the-tappan-zee-manitowoc-mlc300-crane-collapse\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OSHA finds faulty attachments caused the Tappan Zee Manitowoc MLC300 crane collapse - MachineMarket Blog\" \/>\n<meta property=\"og:description\" content=\"ABC7NY reports, a federal investigation into the Manitowoc MLC300 crane collapse on the Tappan Zee Bridge last year found that there were major problems with the vibrating hammer being used at the construction site. 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