Page 4

2013SprShotcreteEMag

ASA President’s Message Certification and the Law of Unintended Consequences By Michael P. Cotter As incoming President, I would like to thank placement. A design engineer or specifier should always require my peers for electing me and thank the an experienced and qualified contractor for support, which sponsors who made the 2012 Outstanding includes experienced crew members and the proper equipment Project Awards Banquet in Las Vegas, NV, including material selection for the specific project. This gives a rousing success. I would also like to wel- the specifier assurance that the entire shotcrete team come the new Board of Direction and our (qualified contractor, ACI certified nozzleman and new Executive Director Mark Campo, and experienced crew) have proven their knowledge and ability give a special thank-you to Alice McComas to consistently place quality shotcrete.” for all her dedication and hard work. My thanks to the Com- ASA is an association of contractors, material suppliers, mittee Chairs for their extensive efforts, especially Patrick equipment suppliers, and engineers who are committed to Bridger and Joe Hutter, for all the years of work they put quality installation of shotcrete in various applications. I believe into ASA. I’m honored to follow in their footsteps and look that ASA should support and embrace a statement that quality forward to working with the new Executive Committee and shotcrete should be done by quality, committed contractors. Board of Direction. The certification of nozzlemen by no means guarantees a quality The next order of business is to admit that we at ASA were shotcrete job. wrong! We apologize to the industry for the following statement ASA is actively working on solutions in the form of ASA- that was on our website: “The American Concrete Institute qualified contractors, nozzlemen in training, and inspector (ACI) established the shotcrete nozzleman certification training programs. I ask that more members get involved—let program to establish a basic skill level of shotcrete nozzling. your voice be heard! I do not believe it was ever ACI’s or A design engineer or specifier can require the use of ACI ASA’s vision that certification of a nozzleman would or should nozzleman certification in their specifications.This gives the replace an experienced contractor and crew while helping specifier assurance that the nozzleman has demonstrated educate an experienced nozzleman to further his/her trade. the knowledge and ability to properly place shotcrete.” This program seems to be suffering from the “Law of the The nozzleman certification means nothing more than, on Unintended Consequences.” a given day, in a perfect environment, a person shot a 30 x Our goal is to get accurate information into specifications, 30 x 4 in. (762 x 762 x 102 mm) panel under ideal conditions. which will help ensure consistently placed quality shotcrete. To say that this gives the specifier assurance that the nozzleman May everyone have a safe and successful season. I look has demonstrated the knowledge and ability to properly place forward to working with all of you this next year as President shotcrete is a false and misleading statement. of ASA. The first action of the 2013 Executive Committee was to change the text on the website to: “The American Con- reference crete Institute (ACI) established the shotcrete nozzleman “Unintended consequences,” Wikipedia, USA, 2013, http://en.wikipedia. certification program to establish a basic skill level for shotcrete org/wiki/Unintended_consequences. (last accessed Mar. 25, 2013) “Unintended consequences” can be roughly grouped into three types: • A positive, unexpected benefit (usually referred to as luck, serendipity, or a windfall); • A negative, unexpected detriment occurring in addition to the desired effect of the policy (for example, while irri- gation schemes provide people with water for agriculture, they can increase waterborne diseases that have devastating health effects, such as schistosomiasis); or • A perverse effect contrary to what was originally intended (when an intended solution makes a problem worse). 2 Shotcrete • Spring 2013


2013SprShotcreteEMag
To see the actual publication please follow the link above