{"id":7873,"date":"2016-10-24T15:02:43","date_gmt":"2016-10-24T15:02:43","guid":{"rendered":"http:\/\/minutes.machine.market\/?p=7873"},"modified":"2016-10-24T15:02:43","modified_gmt":"2016-10-24T15:02:43","slug":"demag-cc-3800-1-crawler-crane-works-on-water-for-sarens","status":"publish","type":"post","link":"https:\/\/machine.market\/blog\/demag-cc-3800-1-crawler-crane-works-on-water-for-sarens\/","title":{"rendered":"600-ton Demag CC 3800-1 Crawler Crane works on the Queen Maxima Bridge in the Netherlands"},"content":{"rendered":"

It was nearly a year ago when industrial contractor, Hollandia Infra,<\/a> contacted The Sarens Group<\/a>\u00a0to discuss an intricate project involving the Queen Maxima Bridge. Crossing the Old Rhine River at Alphen aan den Rijn, Netherlands, the planned new structure included a balanced tail bridge design allowing tall vessels to pass through.<\/p>\n

The project called for lifting and positioning the two main balanced tail bridge segments weighing in excess of 280 tonnes (310 tons) from barges on the Old Rhine River. \u201cWe knew there would be much planning and we would need a high capacity crane to successfully complete this heavy lifting project,\u201d says Robin van Oss, Project Engineer for Sarens.<\/p>\n

Adding to the complexity, there was a narrow navigation channel through which barges carrying Sarens\u2019 specialized lifting equipment had to pass. The required crane and supporting equipment would enter the river at Dordrecht, NL, and navigate nearly 50 km upstream to the bridge project site spanning the Old Rhine River. \u201cThe top challenge for working on water was the narrow, 11.4-m (37.4-ft) wide passage in some parts,\u201d mentions van Oss.<\/p>\n

Searching through Sarens\u2019 vast lifting equipment fleet, one crane model stood out as the best choice for delivering success on the project. With its track length just narrowly fitting channel requirements for Sarens, the Demag CC 3800-1<\/a> lattice boom crawler crane offered the right combination of compact footprint and heavy lift capacity required for this job.<\/p>\n

Meticulous planning<\/strong><\/p>\n

Sarens team members invested many months planning for the challenging lift. Because the hoists would take place from barges, the crane equipment needed to remain stationary on the floating bases, while tugboats and mooring lines did all the maneuvering. \u201cThe plan was to rig and position the CC 3800-1 crane in the correct set-up on the barges, and the crane would be used like a sheerleg,\u201d explains van Oss.<\/p>\n

In addition to the Demag crane, the plan called for a 100-tonne (110-ton) capacity mobile crane for lift support, a twin barge configuration and strand jacks. Sarens\u2019 Sarspin device \u2013 with its four hydraulic leveling cylinders and up to 600-tonne (660-ton) capacity \u2013 would also be integral in helping the CC 3800-1 crane to position the pivoting bridge segments.<\/p>\n

To handle the 230- and 280-tonne (253.5- and 310-ton) weight of the two bridge segments, the Sarens plan required the Demag 650-tonne (715-ton) crane to be configured with its Superlift structure to increase crane capacity. Accommodating the 11.4-m (37.4-ft) canal width in some areas and crane positioning on the floating base, \u201cWe had to install the crane on one barge and the Superlift tray with counterweight on the other,\u201d explains van Oss and adds, \u201cThe crane\u2019s tracks were to be positioned perpendicular to the length of the barge, so its 11.3-m (37.1-ft) track tip-to-tip length narrowly passed through the channel.\u201d<\/p>\n

The massive 30.7-m (100.7-ft) long bridge segments required LSL_2 configuration with 60 m (197 ft) of main boom for the CC 3800-1 crane and 36m Superlift mast.165t counterweight on the crane\u2019s superstructure , 50t central ballast and 325t on Superlift tray were necessary to give the crane a 347-tonne (382.5-ton) capacity when working at the predetermined fixed 24-m (78.7-ft) radius.<\/p>\n

\u201cWe planned every lift detail and prepared for every possible contingency for about six months prior to the project start date,\u201d mentions van Oss. In early July of 2016, Sarens\u2019 crew members were able to put all of those preparations in action.<\/p><\/blockquote>\n

Smooth lift<\/strong><\/p>\n

The CC 3800-1 was shipped directly from the Zweibr\u00fccken (Germany) plant to the mobilization site in Dordrecht. Sarens\u2019 van Oss offers, \u201cThe crane looked beautiful. This was the first project for it.\u201d<\/p>\n

Sarens\u2019 10-person crew had the crane rigged with main boom, Superlift mast and full counterweight within three days. The car body was maneuvered onto the first barge, while the Superlift tray and maximum counterweight was positioned on the second. Both barges navigated the narrow channel passageway independently of each other.<\/p>\n

Once reaching the Queen Maxima Bridge destination, Sarens\u2019 crew members connected the two barges together and the Superlift counterweight tray to the crane. While a tugboat positioned the two barges carrying the lifting equipment, a separate vessel positioned the enormous balance trap type tail bridge main segment, upended on its wings, next to the crane barge.<\/p>\n

Crew members chose to position the west side bridge traffic lanes first. They used ballasting on the crane barge to slowly hoist the tail bridge segment and transfer weight from the transport barge. \u201cThe bridge\u2019s eccentric center of gravity challenged our work crew, but they used our Sarspin device to flip and rotate the bridge segment into its final position for connection to the rest of the bridge,\u201d says van Oss. \u201cWhen you work on water, you have a number of challenges to face \u2013 wind, weather, waves and weight transfer \u2013 and we faced it all on this job.\u201d<\/p>\n

It took just short of four hours to lift the west side bridge segment to height and another two hours for moving the crane barges and load into installation position. Within a final three hours, Sarens\u2019 crew attached the pivoting segment of the bridge to complete the first lift. The entire process was completed in one long day.<\/p>\n

The two crane equipment barges were then split apart and repositioned on the east side of the Queen Maxima Bridge. Attachment of the second moveable bridge segment went as smoothly as the first. Within two weeks, segment installation was complete and Sarens mobilized the barges with lifting equipment back to Dordrecht for derigging, leaving no sign that they were ever there.<\/p>\n

Speaking about the project, van Oss concluded, \u201cThe long-term and intensive engineering phase, our talented and experienced work crew, and the use of trusted lift equipment like the Demag CC 3800-1 crane resulted in an excellent and quite short two-week execution phase. We quietly arrived, did our job and quietly departed.\u201d<\/p>\n

\"Terex-Cranes\"<\/p>\n

\"Sarens\"<\/p>\n

\"Hollandia<\/p>\n","protected":false},"excerpt":{"rendered":"

It was nearly a year ago when industrial contractor, Hollandia Infra, contacted The Sarens Group\u00a0to discuss an intricate project involving the Queen Maxima Bridge. Crossing the Old Rhine River at Alphen aan den Rijn, Netherlands, the planned new structure included a balanced tail bridge design allowing tall vessels to pass through. The project called for […]<\/p>\n","protected":false},"author":1,"featured_media":7874,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":""},"categories":[3,6,8],"tags":[385,443,1318],"yoast_head":"\n600-ton Demag CC 3800-1 Crawler Crane works on the Queen Maxima Bridge in the Netherlands - 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\/demag-cc-3800-1-crawler-crane-works-on-water-for-sarens\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"600-ton Demag CC 3800-1 Crawler Crane works on the Queen Maxima Bridge in the Netherlands - MachineMarket Blog\" \/>\n<meta property=\"og:description\" content=\"It was nearly a year ago when industrial contractor, Hollandia Infra, contacted The Sarens Group\u00a0to discuss an intricate project involving the Queen Maxima Bridge. 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