Pit & Quarry, January 2014
SCREENING More than media Sustainable screening solutions combine media panels with bigger picture benefits S ustainability is a major mission for CalPortland the Northwests largest supplier of stone sand gravel cement and ready mix concrete Operating in the Portland Harbor since the 1960s the company transports its high quality products into the marketplace primarily by barge helping to alleviate road congestion and keeping prices competitive With each barge representing between 60 to 100 truck loads thousands of truck trips are eliminated annually And that is just one example of the companys many energy saving practices From its Santosh aggregate plant in Scappoose Ore sand and gravel is shipped up the Columbia and Willamette Rivers for use in general construction FAA WDOT and ODOT projects throughout the region The operation mines a sand and gravel deposit established by the cataclysmic Missoula floods that swept down the Columbia River Gorge at the end of the last ice age In line with the CalPortland mission the Santosh Plant has often been recognized for its energy efficiencies as it fosters a steady sustainable focus regarding every facet of its facility from its lighting fixtures to its conveyor motors and to the screen media on each of its nine processing screens As to screening circuits CalPortland Santosh Plant Manager Gene Northway maintains a more than media attitude In other words he feels that although the screen media product itself is important its true benefits are not felt without the addition of three key driving factors specification expertise proper stocking and inventory control and ongoing service support BY CAROL WASSON As energy costs rise and profit margins remain slim sustainable processing becomes ever more important CalPortlands Santosh aggregate plant ships material along the Columbia and Willamette Rivers 44 PIT QUARRY January 2014 www pitandquarry com
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