Pit & Quarry, August 2013
VOLUME 106 AUGUST 2013 No 2 pg 36 42 Excavating Diversification An Indiana trucking company uses a Hitachi excavator to remove overburden at a U S Aggregates site EDITED BY DARREN CONSTANTINO 44 Pit Stop Cabin air filters Todays heavy duty cabin air filters can help with HVAC system efficiency and create a more pleasing environment for the operator BY JOHN GAITHER Columnists More 45 Safety Practicing what you preach An Illinois operation puts a simple safety concept into action finding productivity is up and S S violations are down BY KEVIN YANIK 48 Walking in the dark BY CARL R METZGAR CSP 50 Law Mandatory employee safety reps BY MICHAEL T HEENAN ESQ 56 Looking Back Archive photos Classifieds Ad Index 52 Classified Advertising 54 Advertiser Index Line drawing of a Cat 336E H excavator Image courtesy of Caterpillar Up Front 2 An Inside Look Pothole Robin Hood BY DARREN CONSTANTINO EDITOR IN CHIEF 4 Brand New Equipment just released to the market 6 Industry Snapshot Vital industry news and economics BY KEVIN YANIK 14 Equipment News The latest developments from equipment manufacturers Equipment Technology 18 Dredging Electric advantage Converting a diesel powered dredge to electric power offers benefits that go beyond cost savings BY LORETTA SORENSEN 24 Equipment Roundup Excavators dredges and related equipment Equipment Focus Technology Automation 30 Uncovering greater data Web based technologies that produce reports on equipment in the field will soon become a standard for aggregate producers BY BRAD STEMPER 36 Good vibrations Vibration analysis of screens goes a long way in maximizing product quality as well as increasing uptime and profit EDITED BY DARREN CONSTANTINO 38 Tech equipment including equipment monitors machine control software vehicle tracking and more www pitandquarry com August 2013 PIT QUARRY 1
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