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2014SprShotcreteEMag

Nozzleman Knowledge Best Practice for Cleanout A crew member is irreplaceable; the cost of a • Use low-pressure water whenever possible, hose or system replacement is affordable. Irre- as it’s the safest option. sponsible actions are not worth getting a crew • Always strap or chain the hose to a solid object; member hurt or seriously injured. never have a person hold the hose during cleanout. • Clean hose into a secure, solid container of Carl Baur has been employed some sort (Fig. 1 and 2). by Imrie-Gielow since 1989, • Use a catching device for ball or bullet type, and is involved in the sales and as shown in Fig. 3. service of refractories and Reed • Have a cleanout plan established before you equipment, as well as manage- start your pumping/shooting, including: ment of shotcrete projects and a) Where cleanout will take place; and other equipment service. Baur b) What will hold the cleaned-out material; is an ACI Examiner and Certi- for example, hopper, trash bin, or super fied Nozzleman. He has over 20 years of experi- sack tote. ence in wet- and dry-process shotcrete. • Have all cleanout supplies needed—such as foam balls, adapters to hook up to water fitting, and header to water/air fitting with bleed- offs to safely bleed pressure off (Fig. 4)— including devices to hold the hose, such as straps or chains. Fig. 3 Fig. 1 Fig. 2 Fig. 4 Shotcrete • Spring 2014 39


2014SprShotcreteEMag
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