Green receives the 2024 Merit Award By The American Council of Engineering Companies (ACEC) of Vermont

Green is excited to share that we have been awarded a 2024 Merit award by the American Council of Engineering Companies (ACEC) of Vermont, for the Springfield STP CULV (47) culvert rehabilitation project, for the Vermont Agency of Transportation (VTrans).

This is VTrans’ first culvert rehabilitation of this magnitude, highlighting the potential for future culvert projects to utilize rehabilitation instead of replacement, by using open-cut techniques and eliminating inconvenience to the public, resulting in more sustainable culvert projects.

Pictured: Angelica Vazquez-Diaz, Jamie Keel, Frances Eisinger, Dennis Vertiyev, and Michael Cruz

The culvert rehabilitation project, Springfield STP CULV(47), completed for the Vermont Agency of Transportation (VTrans), utilized centrifugally-cast concrete pipe (CCCP) to avoid the need for a deep open-cut which would have resulted in major impacts to the area’s natural resources and the traveling public. Given the significant depth of the culverts, major concerns when evaluating different treatment options included slope stability, erosion prevention, constructability, and impacts to environmental resources.  

CCCP was selected for its high-tensile strength, ability to cure quickly, and high adhesion to existing corrugated metal pipe (CMP) culverts with irregular surface corrugation and imperfection. Using CCCP also allowed installation of baffles, to enable fish passage and thus comply with Vermont’s Aquatic Organism Passage (AOP) design guidance. Other liner systems could not accommodate the installation of baffles.  

The project is currently substantially complete, having met VTrans project schedule, and is under budget at a total of $1.6 million. 

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