The “implosion” of the faulty, 31-story condominium tower and interconnected four-level parking garage on South Padre Island in Texas is not going to be standard by any measure, says the demolition contractor. The razing by explosives is complicated by the failed structural elements—a consequence of differential settlement between the structural concrete tower and the post-tensioned garage; post-tensioned beams; the tower’s robust frame; the high water table; and sand that conducts vibrations to nearby buildings, says J. Mark Loizeaux, president of Controlled Demolition Inc. Slide Show Photo: Controlled Demolition Inc. Developer alleges flawed engineering led to failed columns and beams near
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.