Article
GeneralCertification vs. Qualification of Shotcrete Nozzlemen
Merlyn Isaak
Read MoreIn 2000, ACI, in cooperation with ASA, estab-lished a formal certiï¬cation program for certifying shotcrete nozzlemen. Prior to that date, ACI had a guideline document for certifying nozzlemen, but it was not being uniformly applied, it contained outdated features and appli-cations, and it was not