Page 39: of Marine News Magazine (May 2022)

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of these rock jobs, the stones are more than the clamshell boom allows us to reach over the coaming of the material can handle, so we have the grapple for that.” The 875 ? rst barges, down 20 ft. (6 m) below the tracks and lift it up. An showed off its production capacity in dredging projects. excavator doesn’t have that lift above the track level capabil- “We were loading some material barges. One can hold up ity (at full radius) and, the SENNEBOGEN works fast.” to 350 tons; we loaded it in about 20 minutes!” He esti- According to Leuken, it’s a difference that operators ap- mates that, on the right job, the 875 could move as much preciate, too. “They love the balance of the machine,” says as 600 tons per hour. The 875’s distinctive “Green Hy- Lueken. “It gives them con? dence to be able to lift in all brid” energy recovery system also helps Broussard to quote directions without worrying about the length of the reach competitively. He anticipates running the 875 on eight to from side-to-side on the barge or for placing the load.” ten gallons of diesel per hour: about the same as his cable Russell and Leuken agree that the balance and stability crane, moving less than a third as much material. of the SENNEBOGENs are valuable safety factors on land

Bilal General Transport LLC (BGT) has been leading the or on water. It also gives the operator more ? exibility to

La Mer project in Dubai, building seawalls to reclaim near- load and swing in any direction.

ly 250 acres (one million m2) of new land for urban expan- sion. The project requires the contractor to move around

More machine for the money 11 million yards of sand and up to 6.5 million tons of rock. Despite the size of the SENNEBOGEN machines – the

BGT deployed SENNEBOGEN’s powerful 880 EQ equi- 875 Green Hybrid model weighs in at 300,000 pounds – librium handler to precisely position stone blocks weigh- their owners are impressed by the versatility of these purpose- ing up to seven tons. Guided by a GPS system in the cab, built handlers. Their mobility is what ? rst attracted Broussard operators can reach up to 115 ft. (35 m) to place rip-rap to the SENNEBOGEN line. “We had seen similar machines stones, accurate to within a quarter inch and able to com- in the area, but nothing of this size, and the other machines plete a placement cycle in as little as 40 seconds. With this have to be welded down to the barge. The SENNEBOGEN system, BGT no longer needs spotter boats in the water to is on tracks. At times, we might be doing rock work and we help their operators to pick and place the rocks accurately. want a crane on the ground; then we pick up another job and want to put the SENNEBOGEN on the barge. Because of its versatility, we didn’t have to get another barge.”

Better balance with 360-degrees stability

While SENNEBOGEN machines claimed their place in The crawler mounted undercarriages give GLDM more land-based projects, they are equally adept in open water. Tom choices in how to approach varied projects. Tom Russell

Russell brought SENNEBOGEN material handlers to Great notes the stability his machines offer to work in unim-

Lakes Dock & Material (GLDM), in Michigan, after seeing proved sites, as well as safety bene? ts when walking ma- them at work in other marine applications. “They all have full chines onto and off of barges. Russell says the 835 R-HD, load capacity through their 360° working radius,” he explains. with its retractable telescoping tracks, is easy to transport “Being on barges or improvised platforms, we felt this capabil- quickly between jobsites. “It’s a high production machine ity was essential for our machines. Even with its boom fully with the travel footprint of a much smaller model.” extended, our 840 can lift well over 8,800 lbs. (4,000 kg) and Leuken says, “After looking at all the options, SENNE- move it safely through its full 360° range of swing.” BOGEN was the clear choice. We chose it for the versatil-

Russell also notes a difference between purpose-built ma- ity and the economy it brings to our operation. We’ve also terial handlers and excavators. “On a barge, your work is learned the value of our ability to quickly change attach- often in front of you and the material barge is at the side. ments on the equipment.” Whether the material he’s load-

You want as much reach as you can. You’re working at ing calls for one of his clamshells, a hook, or forks, or a mag- maximum radius most of the time. The arch in the banana net, “…time is money. And we aren’t wasting any time.” www.marinelink.com MN 39|