Pit & Quarry, January 2018
CONTENTS VOLUME 110 JANUARY 2018 NO 7 32 DRILLING BLASTING Strategies to elevate efficiencies Effective crushing and screening starts with an efficient drill and blast both of which can be boosted with technologies designed to optimize the material in your muck pile BY KEVIN YANIK 38 Drilling and blasting equipment Drill rigs blast design software bits and explosives technology 44 FRAC SAND PROCESSING WASHING Equipment and technology Sand plants water management systems and more 46 WHEEL LOADERS Electric drive At a press event in Peoria Illinois and open house at Tower Rock near St Louis Caterpillar debuted a new wheel loader and more BY DARREN CONSTANTINO 50 CONVEYING MATERIAL HANDLING Training your conveyor How one belt tracking solution keeps production steadily on the move at a mid Ohio operation BY JOE MCCARTHY P Q BUSINESS 54 BUSINESS UPDATE Aggregate industry forecasts stocks economic news and more Cover photo courtesy of Sandvik Mining Rock Technology CONNECTIVITY issues can disrupt operations that want to be on the leading edge of industry technology PAGE 16 UP FRONT 6 AN INSIDE LOOK Ally at MSHA BY KEVIN YANIK 8 UP TO SPEED The latest industry happenings P Q TECH 14 CUTTING EDGE The latest in equipment and technology for the industry 16 TECHNOLOGY PLANT AUTOMATION Optimizing uptime Running a modern day plant requires a high level of network connectivity But what happens when an unexpected outage occurs BY KEVIN YANIK 22 TRANSPORTATION Simplifying the selection of aggregate railcars A comparison of gondolas and open top hoppers highlighting the advantages of both BY DARELL LUTHER 28 TIRES Factors to consider when selecting tires Doing your homework in advance can help optimize your tire investment BY ERIC MATSON 30 Tire management keys Insights from a specialist to help you maximize tire lifespan BY KEVIN YANIK pitandquarry com January 2018 PIT QUARRY 1
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