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Mobilization: The Most Expensive Part of a Dredging Job Nobody Talks About

   Mobilization: The Most Expensive Part  of a Dredging Job Nobody Talks About When people think about the cost of a dredging project, they usually focus on production. •How much material will be moved. •How long the job will take. •What the equipment is capable of. What rarely gets the attention it deserves is what happens before production even begins.  Mobilization. •Getting equipment to the jobsite. •Setting it up. •Getting it operational. It doesn’t show up in production numbers. But it directly impacts everything that follows. WHAT MOBILIZATION REALLY INCLUDE S Mobilization is often viewed as a single step.  In reality, it’s a series of events that must align correctly: •Transporting equipment to the site •Staging and positioning components •Assembling systems •Connecting and testing •Preparing for production Each step introduces potential delay.  And each delay pushes production further out. WHERE TIME IS LOST Mobilization is one of the most underest...
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Way Back When Article, International Dredging Review, 2012, VMI MD-615 Dredging Soft Lime In Ohio

 VMI MD-615 DREDGING SOFT LIME IN OHIO

International Dredging Review, 2012

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Many water plants across the country are facing the problem of lime build-up from the water treatment process, with and no cost-effective way to dispose of the byproducts.

An Ohio water treatment plant came up with a creative solution to this problem that involved finding an agricultural partner to re-use the lime as a soil additive.

After researching possible partners, the plant tamed up with a local farmers' co-op and together they implemented a plan to dredge lime from the water treatment plant's quarry and sell it to area farmers at market price.

The co-op invested about $1 million in infrastructure next to the quarry, consisting of a VMI MD-615 dredge, tanks, pumps, testing equipment and a scale.  The Ohio Environmental Protection Agency approved the plan, and the co-op began serving local farmers in 2011.

The project will remove approximately 10,000 wet tons of "soft" lime from the quarry per year which the co-op then applies to farmers' fields.

Soft lime is a superior product to the dry lime that normally used to balance the pH of their fields after harvest.  The smaller particle size, or "fineness," of soft lime mixes into the soil more effectively than dry lime, and can be applied more evenly.  Because soft lime is liquid, the wind doesn't blow it away.

Environmentally, farmland application is better and more cost effective because the byproduct is not dumped into a landfill.

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Location: Ohio, USA

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