Aggregates Manager Digital Magazine
Issue link: http://read.dmtmag.com/i/562664
CONTENTS On Our Cover: Rogers Group's Pottsville Quarry earns recognition for its environmental and community relation efforts, all while putting safety fi rst. Cover photo by Kerry Clines. 10 Martin Engineering's new CleanScrape conveyor belt cleaning system is installed diagonally across a belt's discharge pulley. 32 Miners at Vulcan Material's Havre De Grace quarry test NIOS H equipment that monitors both noise and dust exposures. COLUMNS & DEPARTMENTS FEATURE ARTICLES 21 Underground operations. The options for underground pro- cessing are limited only by imagination and fi nancial constraints. SEPTEMBER 2015 VOLUME 20, NUMBER 9 OPERATIONS ILLUSTRATED 14 Reaching for the Stars The stars may seem unattainable, but Pottsville Quarry was awarded Two Stars of Excellence by the National Stone, Sand and Gravel Association during its annual convention in March. 27 A Sensible Approach to Scales By incorporating the fi ve key elements of a good maintenance program, upkeep can more than pay for itself. 32 Assessing Noise and Dust Exposure NIOSH and Vulcan Materials Co. team up to test how well Helmut-CAM technology measures miner exposure levels. 3 EDITORIAL Tracking the industry's pulse. 4 STATE AND PROVINCE NEWS A roundup of the latest news in North America. 6 DATA MINING The latest fi nancial analysis of issues impacting in the industry and Aggregates Manager's exclusive aggregates industry outlook. 9 ROLLOUTS Volvo's EC160 excavator, and other new equipment for the aggregate market. 38 ROCK LAW The Mine Safety and Health Administration uses policy rather than rulemaking to substantively revise workplace exam standards. 40 CLASSIFIED ADS Aggregate industry classifi eds. 43 ADVERTISER INDEX See who's who and where to fi nd their products. 44 CARVED IN STONE The life of a granite miner in the 19th century consisted of physically intense work, carb-laden meals, and impromptu entertainment.