Pit & Quarry, February 2017
SCREENING Mountains of SAND A new portable screen boosts a Canadian aggregate operations productivity and profits EDITED BY DARREN CONSTANTINO W The mountains of sand are especially troublesome for the companys operation in Big Boy Quarry Wakaw Saskatchewan one of five pits the company owns The quarry is unique in that it is far deeper than most pits The average quarry in the region drops 10 to 30 ft while Big Boy is more than 100 ft deep Profits are a challenge because though crews sift through more than a million tons of material every year only about 200000 to 300000 tons is sellable aggregate for Lonesome Prairie Sand Gravel had been experiencing regular maintenance and contamination problems with its vibrating screens owing to the challenging material conditions hat does an operation do when its profits are buried in millions of tons of sand and its equipment needs to be portable enough to move on a moments notice Figuring that out is a daily task at Lonesome Prairie Sand Gravel a 35 year old aggregate company in Canada 42 PIT QUARRY February 2017 pitandquarry com
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