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2013FallShotcreteEMag

ASA President’s Message A Successful Shotcrete Project Starts with the Basics By Michael P. Cotter The Qualified Shotcrete Contractor and the that is the ONLY qualification for shotcrete on the job. This ACI Certified Nozzleman should have a simplistic specification requirement does not take into account minimum of 5 years of experience performing the contractor and trained shotcrete crew’s qualifications and the same type of shotcreting work required experience, but rather emphasizes only having the certified for the proposed shotcrete project. At the time nozzleman. If there is a choice between requiring an experi- of bidding, each contractor should submit an enced shotcrete contractor and trained crew verses just having experience list of five projects similar in scope a certified nozzleman, which job do you think will have the to the current project, showing successful higher success potential? Which job would you want to have completion. They should ensure that the specified material and your company associated with? the manufacturer’s recommended equipment for applying the To watch a shotcrete team work is a thing of beauty. It’s like material will be used, if applicable. looking inside a mechanical watch; every piece, every movement The experience list supplied should contain the following is dependent on another. If you pull a piece out, it doesn’t work. for each of the five previous projects: It’s like listening to a symphony orchestra—the nozzleman being • Project name; the conductor, and every other member of his crew following his • Owner of project; lead working in perfect harmony with each other: • General Contractor(s) and Construction Manager (if • The gunman or pump operator dispensing a high-quality, applicable); consistent mixture; • Owner’s representative, address, and telephone number; • The nozzleman fully encapsulating the reinforcing bar and • Brief description of work; shooting to guides set by the wiremen; • Total cost and duration of shotcreting portion of project; • The hose tender moving hoses and keeping the area around • Date of completion; and the nozzleman free of hazards; • Type of equipment used to perform work. • The rodmen shaping shotcrete to finish lines; (Refer to ASA’s website for further details on the Shotcrete • The nozzleman assistant operating the blow pipe when Contractor and Crew Qualifications: www.shotcrete.org/ required; and media/Archive/2013Sum_Hanskat.pdf) • The finishers applying the final desired finish within an Recently, I’ve seen project specifications that require shot- appropriate time without ripping or tearing fresh shotcrete. crete to be placed by ACI Certified Shotcrete Nozzlemen, and My message to you as President is: don’t rely on requiring just one part of the system. Airplane pilots don’t do it. Captains of ships don’t do it. A shotcrete contractor has years of experi- ence and training, along with a significant investment in the shotcrete industry. Their goal is to accomplish a high-quality, Did you know contractor who will hire a certified nozzleman, rent (or maybelong-lasting product that will serve the customer and industrywell. That’s what you want to buy, not an inexperienced ASA is on shotcrete mixture, and then call themselves a shotcreter!buy) minimal shotcrete equipment, mix up a “Betty Crocker” facebook? by doing quality work, providing well-maintained equipmentThe reputations of the finest shotcrete contractors are earned appropriate for the type of work, and developing highly trained crews. Using the watch analogy, the nozzleman may be the “like” us on facebook hands of the watch, but the watch is useless for telling time if www.facebook.com/ the mechanisms inside (the shotcrete crew and equipment) are AmericanShotcreteAssociation not in perfect working order, and packaged together by the case (the contractor’s business structure) for easy handling. Buy the watch that will best meet your needs! 2 Shotcrete • Fall 2013


2013FallShotcreteEMag
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