An automated system introduced at the 18th Annual NOWRA Technical Conference and Expo is designed to simplify the process of percolation testing and make the testing itself more consistent and reliable. Percolation Technologies Inc. of St. Cloud, Minn., introduced the E-Z Perk system, designed to help onsite professionals save time by running single and multiple perc tests unattended. The system is the brainchild of Chad Kraemer, himself an onsite designer and installer. Colleague Brian Prigge helped Kraemer turn his idea into a marketable product.Kraemer observes that in performing a perc test manually, the contractor digs a test hole, sets up
