Associates president David Duerr, P.E. conducts lectures and training sessions on various aspects of heavy lifting and rigging. Past lectures have covered below-the-hook rigging, lifting with telescopic hydraulic gantries, barge-mounted mobile cranes, multiple-crane lifts, and crane loads, mats and ground bearing. Lectures can be tailored in both content and time to fit a client's needs. Talks have been given for industry groups, individual companies, and for civil engineering students.
David Duerr presented sessions on Load Spreading and Multi-Crane Lifts for Flatiron Construction's in-house crane and rigging training program June 27 and 28, 2017 and on Load Spreading and Below-the-Hook Lifting Devices at Industrial Training International's Advanced Rigging & Lifting Workshop held in Houston April 23 and 24, 2015.