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2013SumShotcreteEMag

ACI Nozzleman Certification Sessions: What Not To Do By William T. Drakeley Jr. A crete Institute (ACI) has a shotcrete reference material the night before the examMost nozzlemen did not go to Harvard (thankgoodness). Having the crew pick up all study- magazine’s readershipShotcretes most ofis probably aware, the American Con nozzleman certification program for both dry- almost always yields failed test scores. The work- and wet-mix in vertical and overhead orienta- book comes in both English and Spanish. ASA tions. Much, if not the majority, of the required also makes accommodations for examiners to read testing for certification is administered through the test aloud to those who know the material but the American Shotcrete Association (ASA), have trouble with the written word. Know the which includes a day of education prior to the material before the examiner arrives. written and performance portions of the ACI test criteria. As a very active ASA Examiner Test Disciplines for the ACI certification process, I have had Don’t take the overhead test if you do not my share of testing experiences. On certain have the required hours or experience in over- occasions, one’s best-laid plans can be com- head shooting. Don’t shoot a dry panel if you pletely derailed. If you are considering hosting only do wet and vice versa. As an examiner, we or testing for the ACI Nozzleman Certifica- can immediately tell if someone is not well- tion or are having your employees test for it, versed on a certain shotcrete process or orienta- read on for some free advice about the trials tion. Knowing which equipment to use based on and tribulations of this certification process. the application also shows the examiner that you In this somewhat rambling stream of con- understand the process. For example, a small 2 sciousness, you’ll find, in my humble opinion, in. (50 mm) rubber nozzle tip with no accelerator helpful hints about what NOT to do when is not the tool to use in an overhead or tunnel testing for your nozzleman certification. environment. An experienced nozzleman would know this. Showing up to a day of testing under- Schedule prepared in terms of equipment is a really bad Do not pack 3 days of testing procedures into sign. I would estimate that the majority of those 2 days. Leave enough time for a thorough who choose to take the overhead test do not review of the shotcrete discipline for which you qualify to take the test. Giving the examiner the are testing. Rushing through panel shooting dismissive reason that the overhead certification because you need to start a job the next day has is required on the next job you are bidding on is negative effects. First, it short-circuits some of not a good excuse for lack of knowledge. Even the finer points needed to complete the test. You if you do luck out and pass the panel test, you may also give the examiner the impression that may find yourself, as well as your entire applica- you are neither a serious examinee nor a serious tion, in dire straits when you are assigned a job contractor, thereby depriving yourself of the that is significantly more difficult than a panel benefit of the doubt. (refer to Learner’s Permit below). It also goes further in terms of verification, such as when an Reference Material owner or agent starts looking into your overhead Read the book. Look over the fine print. Study background experience and finds out that you the back pages where the actual performance have none. Couple this with your examiner’s loss exam is right in front of your face! All testing of credibility at the ACI testing level for passing documentation is printed in ACI CP-60, you, and it’s not just yourself you’re hurting. “Craftsman Workbook for ACI Certification of Test on what you know. Shotcrete Nozzleman.” Continuing my point on scheduling, give the crew enough time to read and Preparedness study before the examiner shows up. Let’s face The day the examiner arrives is not the day to it—many of us feel that the hardest part of the set up for the testing. Make sure the scaffolding is whole certification process is the written test. set up at the right height and secured. Build the 22 Shotcrete • Summer 2013


2013SumShotcreteEMag
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