For the first time in more than a half- century, crews on various projects are using a larger, stronger iteration of steel H-shaped piles recently approved by industry groups. The piles, typically used to construct deep foundations for buildings and bridges, also can save money on column applications, according to contractors and engineers. Photo: Frank Coluccio Construction New breed of H-pile braces excavation shaft on Hawaii sewer job. For years, H-pile cross sections have measured as large as 14 in. The new piles, designated HP16 and HP18, “go up to 18-inch cross sections, so now you’ve got bigger loads you
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.