VOL. 8 NO. 8 DECEMBER 2022 A NEW DIRECTION FOR HSS AT STEEL TUBE INSTITUTE Holly Schaubert, P .E. Institute Director: HSS Steel Tube Institute Evaluating Minimum Cover Depths of Flexible Pipes Subjected to Tracked Vehicular Loads Development Series Drones Becoming Integral for Infrastructure Projects On the Front Lines of Standardizing Digital Delivery for Bridge Design Digital Delivery: Immediate Benefits for You and Future Benefits for the Industry Can BIM Enable Successful Green Retrofits of Existing Buildings? Development Series