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Shotcrete Corner 13. Full disclosure of any criminal or fraudulent rulings for cation experience needed to consistently and properly place shotcrete work against former or current company owners shotcrete. The shotcrete construction market has a wide range in a 5-year period. of project needs from basic, lightly reinforced, thin shotcrete sections to complex and congested structural systems requiring Summary substantially more experience and sophisticated techniques. To consistently produce quality shotcrete work, the shot- The wide spectrum of construction practices, shotcrete pro- crete contractor, key personnel, material, equipment, place- cesses, performance requirements, and geographic differences ment methods, curing, and protection all require proper can impact shotcrete placement in many ways. No certification training and qualification to handle your particular project. It program can address all potential variables. The ACI Noz- must be stressed that any one of the elements alone cannot zleman Certification program simply verifies the certified guarantee success, and poor performance or lack of shotcrete nozzleman has basic shotcrete knowledge and has adequately knowledge by any member of the crew can cause a substandard shot a shallow, flat, relatively lightly reinforced test panel. This finished product. establishes that the nozzleman has the potential for doing a Simply specifying the use of an ACI Certified Nozzleman satisfactory job, once he has gained the experience required WILL NOT guarantee successful shotcrete placement on a for a specific type of project. project. The ACI Nozzleman Certification program was Only by selecting a quality shotcrete construction team designed to establish that the tested nozzleman is capable of comprised of a qualified shotcrete contractor, a trained and shooting at an “entry” level. The nozzleman receives his cer- experienced crew (including the ACI Certified Nozzleman), tificate for each process and orientation if he succeeds in the and the proper equipment and materials can you be reasonably written and the performance exam. It is plainly evident that the assured your shotcrete project will produce the high-quality, performance exam is not representative of the shotcrete appli- durable concrete structures that shotcrete is capable of creating. Shotcrete Contractor Qualification Evaluation Checklist Five years of experience as a licensed contractor Five shotcrete projects of similar size, scope, and shotcrete process (dry- or wet-mix), successfully completed in those 5 years with proper documentation Shotcrete Contractor self-performs all shotcrete-related work and has provided an experience listing of the minimum crew to be used on the project Owns all necessary shotcrete-specific equipment (pumps, guns, and hoses) to accomplish the job based on the specific project needs. Shotcrete Contractor has submitted sizes and models of all shotcrete equipment to be used—including full equipment backup in case of equipment breakdown Certificate as a Business in Good Standing or equivalent from the state that the company resides in Letter of bonding capacity from the bonding company or a letter of credit Company insurance in good standing and meeting all state minimum requirements (including, but not limited to, general liability and workers’ compensation) Contractor is a Corporate Member of ASA Contractor documents that company construction support staff (for example, Safety, General Superintendent, Project Managers, and Construction Managers) have continuing educational session credits Physical office, shop, or other business address References (preferably including those from the five shotcrete projects of similar size, scope, and shotcrete process) Company Affiliations (for example, ASA, ACI, AGC, or ABC) Contractor has disclosed any criminal or fraudulent ruling for shotcrete work against former or current company owners in a 5-year period Shotcrete • Winter 2014 55


2014WinShotcreteEMag
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