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Nozzleman Knowledge routing of the pumping delivery system should Postgame be considered with everyone’s safety in mind. It seems so simple, the act of shotcreting—you Making sure that construction equipment of any put the concrete in the pump over here, and it kind does not run over the delivery system is comes out over there. In its simplest forms, yes, critical. During pumping, running over the that’s true, but we all know the very real dangers system can cause bursting, plugging, and sur - associated with what we do. Take time to double- ging that may injure the nozzleman. If construc- check everything, to make sure everyone gets to tion equipment must pass over the pumping go home a winner (refer to Fig. 5). system, relieve pressure and decouple the system, and then recouple after the equipment has been References moved. In addition to the exterior damage to a Duckworth, O., 2010, “Is Your Company Policy on Equip- rubber hose, the inner liner of the hose may ment Wear Putting you at Risk?”Shotcrete, V. 12, No. 4, Fall, become damaged and rupture at a later date pp. 35-38. without warning. Nathen Bent is an ACI Cer- tified Nozzleman and ACI Field Testing Technician. Bent is the Owner of Coastline Drilling, an international spe- cialty foundations contractor. His involvement in national andinternationalprojects range from infrastructure projects in the Amer- icas to sustainable shotcrete worker housing in Zambia. Bent seamlessly brings together on-site team building and new technology integration. He currently lives in northern California with his family. Fig. 5: Parts wear from everyday use. Inspect daily to prevent accidents OnLine Did you know ASA is on facebook? “like” us on facebook www.facebook.com/ All ASA members and subscribers have access to the electronic version of Shotcrete magazine. A link to this e-magazine is sent AmericanShotcreteAssociation as an item in the “What’s in the Mix” e-newsletter. To ensure that you receive access to all future issues of the electronic version of the magazine, send your e-mail information to info@shotcrete.org. 36 Shotcrete • Fall 2015


2015FallShotcreteEMag
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