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shotcrete placement on a project. The ACI Noz- the ASA Board of Directors (BOD) for consid - zleman Certification program was designed to eration as an official ASA Position Paper at the establish that the tested nozzleman is capable of Spring 2013 BOD meeting. After full Board shooting at an “entry” level. The nozzleman review and approval, look for the official ASA Posi- receives his certificate for each process and ori- tion Paper on our website www.shotcrete.org. entation if he succeeds in the written and the performance exam. However, the performance exam is not representative of the shotcrete appli- cation experience needed to consistently and Charles Hanskat, PE, is Man- properly place shotcrete. The shotcrete construc- aging Principal at Hanskat tion market has a wide range of project needs from Consulting Group, LLC, a firm basic, lightly reinforced, thin shotcrete sections in Northbrook, IL, which he to complex and congested structural systems founded in 2012. He received requiring substantially more experience and his BS and MS in civil engi- sophisticated techniques. The wide spectrum of neering from the University of construction practices, shotcrete processes, per- Florida. Hanskat is a licensed formance requirements, and geographic differ- professional engineer in 23 states. He has been ences can impact shotcrete placement in many involved in the design, construction, and evalua- ways. No certification program can address all tion of environmental concrete and shotcrete potential variables. The ACI Nozzleman Certifica- structures for over 35 years. Hanskat is an ASA tion program simply verifies that the certified Vice President, Board member, and Chair of the nozzleman has basic shotcrete knowledge and has ASA Sustainability Committee. He is also a adequately shot a shallow, flat, lightly reinforced member of ACI Committees 301, Specifications test panel. This establishes that the nozzleman has for Concrete; 350, Environmental Engineering the potential to do a satisfactory job, once the Concrete Structures; 371, Elevated Tanks with experience required for a specific type of project Concrete Pedestals; 372, Tanks Wrapped with is gained. Wire or Strand; 376, Concrete Structures for Only by selecting a quality shotcrete construc- Refrigerated Liquefied Gas Containment; and tion team composed of a qualified shotcrete 506, Shotcreting; and Joint ACI-ASCE Committee contractor, a trained and experienced crew 334, Concrete Shell Design and Construction. (including an ACI Certified Nozzleman), and the Hanskat’s service to the American Society of Civil proper equipment and materials can you be rea- Engineers (ASCE), the National Society of Profes- sonably assured your shotcrete project will pro- sional Engineers (NSPE), and the Florida Engi- duce the high quality, durable concrete structures neering Society (FES) in over 50 committee and that shotcrete is capable of creating. officer positions at the national, state, and local levels was highlighted when he served as State Author’s Note President of FES and then as National Director The basic content of this paper was reviewed of NSPE. He served as a District Director of Tau and updated by a select task group of ASA Board Beta Pi from 1977 to 2002. He is a Fellow of ACI, members with many decades of shotcrete con- ASCE, and FES and a member of ASA, NSPE, tracting experience. The paper was submitted to ASTM International, AWWA, NFPA, and ASCC. 32 Shotcrete • Summer 2013


2013SumShotcreteEMag
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