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South Carolina Demonstration Project: Black River Bridge Replacements on SC 377 in Williamsburg County
The South Carolina project was included as part of an HfL demonstration project showcase highlighting prefabricated bridge elements and systems (PBES). The showcase, held July 22, 2008, in Frederick, MD, included projects and representatives from HfL projects in three States: Maryland, South Carolina, and Virginia. Officials from the Maryland State Highway Administration (MDSHA), SCDOT, Virginia Department of Transportation, and FHWA Divisions joined the HfL team in developing and implementing this technology transfer program focused on PBES.
About 75 participants from six States (Maryland, North Carolina, Pennsylvania, South Carolina, Virginia, and West Virginia) and the District of Columbia attended the showcase. After opening words from MDSHA and FHWA representatives, speakers presented information on each demonstration project, incorporating comments from both the agency's and the contractor's perspectives. The meeting agenda is in the Appendix.
MDSHA Deputy Administrator Doug Rose opened the workshop with a brief welcome statement, followed by FHWA Delmar Division Administrator Nelson Castellanos, who summarized the goals of the showcase and the overall HfL program. Vasant Mistry of FHWA gave a comprehensive presentation on the state of the industry on PBES. He focused on accelerated bridge construction practices and how these technologies have been used throughout the country. He discussed FHWA resources and initiatives available to promote PBES use (available at www.fhwa.dot.gov/bridge/prefab).
Jeff Robert, MDSHA project engineer and coordinator, and Butch Lundgren of Concrete General, Inc. delivered an overview of the Maryland projects. They provided a predesign summary of the projects, including site photos, traffic impact and maintenance of traffic alternative studies, and comparative projects of similar scope. They also presented a review and application of strategies to these projects within the HfL program goals, primarily public awareness and the use of PBES, from both the agency and contractor perspectives.
Bener Amado and Randy Cannon of SCDOT described the SC 377 project. Their presentation featured innovative contract bidding and incentive and disincentive clauses for schedule performance and the use of SCC in beam fabrication. The presentation also included comments from the contractor's perspective.
The project showcase agenda originally included a visit to a project site in Frederick so that participants could observe the placement of precast slabs. However, the Maryland project was behind schedule and the site visit was replaced by a slideshow presentation on the project.