Pit & Quarry, February 2017
DREDGING tem that is being fed automatically from a river into a partially dewatered unit and then into another screen plant thats going to cut it into different sizes Ziss says SOUND ALTERNATIVE For an outfit like the Port of Cleveland which commits a tremendous number of dollars each year to dredge sediment from the Cuyahoga River the collection We like the collector because it relies on the natural energy of the river to carry bed load into the hopper and sort it for us JIM WHITE PORT OF CLEVELAND system helps to mitigate costs particularly those tied to dredging The thing we like is it has the potential to be self funding once you get past the capital costs White says I think its about 1 per cu yd for production as opposed to 17 per cu yd with dredging We dredge about 250000 cu yd per year he adds If we could intercept 20000 cu yd in bed load its got great market value Adds Ziss Imagine eliminating an excavator and a person from excavating scooping and then having to sort Youd have a pre sorted pre dried material with less of the silts and fines that you wouldnt want anyway all generated by the natural flow of the river According to White the Port of Cleveland is even exploring the possibility of adding cross veined infrastructure along the riverbed that could direct more sediment to collectors We want these things to work and work effectively White says Other ports along Lake Erie may have an interest in the systems as well Several Lake Erie ports east of the Port of Cleveland have expressed an interest because the state plans to ban the placement of sediment in the lake by 2020 White says Other ports that have been using the lake are going to have to stop he says The question then is how do you VISIT US AT BOOTH C31027 mclanahan com 12 PIT QUARRY February 2017 pitandquarry com
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