This month, Disadvantaged Business Enterprise (DBE) firm Strum Contracting has been working on the Northeast Branch Bridge near the Riverdale Park North-UMD station. This 450-foot-long bridge will cross over the Anacostia River, which means that Strum Contracting crews are working nearly 30 feet above the water.
Specifically, the firm has been constructing the bridge deck; that is, the flat part of the bridge on which roads and walkways are placed. Traditionally, pouring concrete for elements like this requires the installation of formwork, or temporary bracing to hold the structure in place that is later removed after the concrete cures. Strum Contracting, however, is using a different method called Stay-In-Place (SIP).
Read the full article in January 2020, PURPLE LINE TRANSIT CONSTRUCTORS DBE MONTHLY NEWSLETTER