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2014SprShotcreteEMag

Goin’ Underground There is no doubt that over the years, the label develops bad habits over time. Refresher training “dusty” has been unfairly attached to dry-mix will reintroduce the dry-mix equipment operator shotcrete operations, especially in the case of to the proper equipment settings and proper enclosed, underground environments. What needs maintenance procedures, and lead to a cleaner to be understood, however, is that unlike many and more efficient dry-mix shotcrete operation. other sources of airborne dust (drilling, blasting, Dry-mix shotcrete does NOT have to be dusty. crushing, and conveying), dust generated through With a little common sense and a little attention the dry-mix shotcrete process can be eliminated, to detail, most dry-mix shotcrete crews can or at least controlled, at the source. The first step operate in an underground environment without in controlling airborne dust levels is to evaluate anyone even knowing they’re there! the dry-mix shotcrete machine. Some equipment manufacturers produce dry-mix machines that are better suited for underground environments. Joe Hutter is the Vice President, Investigate different manufacturers and suppliers Sales, for King Packaged Mate- before automatically settling on the equipment rials Company, Burlington, ON, you have always used. Just like buying a car or Canada. He has more than truck, test drive a demo machine before committing 20 years of experience in the to a purchase. cement/shotcrete industry. He Expect more from your shotcrete materials and is a former President and an equipment suppliers. Make sure they are available active member of ASA and has after the sale to provide initial and follow-up been Chair of the ASA Marketing/Membership training for the shotcrete crew. One of the most Committee since its inception. Hutter is also a common causes of excess dust is a crew that member of the American Concrete Institute. Do you need a Shotcrete Contractor or Consultant for a Specific Project? The American Shotcrete Association has created a free online tool to allow owners and specifiers the opportunity to distribute their bid request to all ASA Corporate Members in one easy form! from ASA’s outstanding Corporate Photo courtesy of R. RinglerMembers today by visiting: Submit your project for a bid request www.Shotcrete.org/ProjectBidRequest 32 Shotcrete • Spring 2014


2014SprShotcreteEMag
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