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| Contractors World 2012 Volume 3 Issue 1 |
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LIBRARIES • back issues
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 PAGE 12 
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More than 90 hours of continuous pumping USA The competitive construction market in Miami is a challenge for any pump company, even without the unpredictable weather and site surroundings. Temperatures reaching 30°C, 100% humidity, and consistent rain make for unfavourable work conditions. The Port of Miami Tunnel project consists of twin underwater tunnels with an entrance sandwiched in between 6 lanes of traffic. The job required Florida Concrete Unlimited to unexpectedly install 304 m (1,000 feet) of slickline on two day notice, to access all areas of the 304 m x 24 m ( 1,000’ x 80’) pour site, and pump into multiple booms to complete the project. Add the fact that not one hick-up could be afforded without causing a catastrophe and this is a story worth telling! “We love to do the things that intimidate others, it’s just in our blood,” explains Jason Goff, the second generation of Florida Concrete Unlimited, Inc.(FCU) The company is an ACPA members with headquarters in Miami, and various locations throughout the state of Florida. “Most pumping companies in the area were not capable of performing this job based on equipment demands and time-lines. FCU finished it on-time by thinking outside of the box, and ahead of the game.” Super X front outriggers allow the Schwing S 61 SX to utilize its maximum boom reach with a tight set-up for 304 m x 24 m ( 1,000’ x 80’) pour needed for the tunnel boring machine platform. The 9,000 yard platform will support a Tunnel Boring Machine (TBM) which will excavate twin tunnels to provide increased access to the Port of Miami. The $45 million, 2,500 ton TBM arrived from Germany where it was specifically designed for the largest public works project in South Florida. The 380-foot long machine is 4 stories tall and will bore the 43-foot diameter tunnels specified by the owners of the project. According to the public/private partnership Florida Department of Transportation (FDOT), Miami-Dade County and the City of Miami, this project will not only provide direct access between the seaport and highways I 395 and I 95, but create another entry to the Port of Miami. The Port of Miami is the community’s second largest economic generator. In preparation for boring in the Fall, the platform was constructed in July. Sheet pilings encased the area which was under water necessitating a tremie pour. The funnel to the 15 m (50ft) tremie pipe was set on a floating raft which was manoeuvred by cables providing one point of placement for the pump operators. Originally ready-mix access was planned along one side of the pour area for Florida Concrete’s Schwing boom pumps which included two S 61 SXs, two KVM 39 X and a KVM 41X assigned to the project. When project personnel realized that the tight job site, which is sandwiched between six lanes of existing freeway traffic, would not allow truck mixers to reach the pumps, a new plan was hatched. “We had to go pump-to-pump because ready-mix access was now restricted to one end of the pour, “ explains Goff. |
BROCHURES
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PAGE 12
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Contractors World Magazines are published by VVV Limited Publisher: Roger Lindley Page updated: January 2011 |
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