Page 60: of Maritime Reporter Magazine (November 2021)

CASE STUDY HEAVY LIFTING

Sennebogen “Green Machines”

Give Heavy Marine Operations A Lift

By Ryan Kolb, Sennebogen LLC he towering green booms of 70-ft. reach, its capability saves logis- eight to 10 gallons of diesel per hour:

Sennebogen material handlers tic time at the docks, too. “Often times, which is about the same as his cable have become an increasingly you either have to move your material crane consumes while moving less than

Tfamiliar site on U.S. waterways. handler along the dock wall or move the a third as much material.

While the machines most commonly are barge. If our push boats are busy, we Bilal General Transport LLC (BGT) deployed in barge-loading applications, have to wait on that movement before has been leading the La Mer project more recently, they are seen in shoreline we continue production. With this Sen- in Dubai, building seawalls to reclaim construction, dredging and remediation nebogen, we don’t have to move any- nearly 250 acres (one million sq. m.) projects. Traditionally, such operations where near the frequency that we did of new land for urban expansion. The are assigned to excavators, often with before.” project requires the contractor to move conversions to help them lift loads in- On the Gulf Coast of Louisiana, Chip around 11 million yards of sand and up to stead of digging. However, owners have Broussard said his giant 875 R-HD al- 6.5 million tons of rock. BGT deployed come to ? nd that the Sennebogen’s of- lowed his ? rm to become a top com- Sennebogen’s 880 EQ equilibrium han- fer advantages as machines that are pur- petitor for shoreline restoration projects. dler to precisely position stone blocks pose-built to lift and swing large loads “On some of these rock jobs, the stones weighing up to seven tons. Guided by quickly. are more than the clamshell can handle, a GPS system in the cab, operators can

At the Guntersville terminal on the so we have the grapple for that.” The reach up to 115 ft. (35 m) to place rip-

Tennessee River, owner Mike Leuken 875 ? rst showed off its production ca- rap stones, accurate to within a quarter said the long reach of his Sennebogen pacity in dredging projects. “We were inch and able to complete a placement 860 R-HD was a compelling feature. “It loading some material barges. One can cycle in as little as 40 seconds. With this lets you get all the way over to the other hold up to 350 tons; we loaded it in system, BGT no longer needs spotter side of the barge, to the outside wall about 20 minutes.” He estimates that, boats in the water to help their operators and move the material directly to truck on the right job, the 875 could move as to pick and place the rocks accurately.

or conveyor. Given the cycle times and much as 600 tons per hour. The 875’s While Sennebogen machines claimed the ? exibility we have, we can shave off “Green Hybrid” energy recovery system their place in land-based projects, they 20% of our unloading time.” Moving also helps Broussard to quote competi- are equally adept in open water. Tom loads of more than eight tons at its full tively. He anticipates running the 875 on Russell brought Sennebogen material 60 Maritime Reporter & Engineering News • November 2021

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